MAINTENANCE MANUAL
E-100
OPERATOR AND MAINTENANCE MANUAL
SPARE PARTS LISTS INCLUDED
SERIAL NUMBER : 1032544 & UP
Printed in Canada
One Year Limited Warranty
Effective April 25, 2005, MOTREC, Inc. (MOTREC) hereby warrants to the Original Retail Purchaser (Owner) that any of its
vehicles shall be free from any defect in materials for a period of 90 DAYS while in the possession of such Original Retail
Purchaser. This warranty IS NOT TRANSFERABLE to any subsequent Buyer.
The warranty period is extended to one year or one thousand (1,000) hours, which ever first occurs, on the electric motor,
differential (parts that bathe in oil) and the electronic speed controller. MOTREC makes no warranty or representation with
respect to the internal combustion engine, tires and batteries, since their respective manufacturers cover such parts.
Accessories (light, gage, horn, etc), electrical contacts (switch, solenoid, contactor, relay), diodes & fuses, belts & pulleys,
filters & spark plugs, lubricants, brake linings & shoes, brake drums & discs, seals, seats, trim and other items subject to
wear are not included in this warranty; nor is any item that in MOTREC sole opinion, shows evidence of neglect, misuse,
abuse, collision or alteration.
This warranty shall not apply to normal maintenance requirements as described in the User Manual, and to damages during
shipment. The latter is the carrier's responsibility. No compensation will be allowed for delays.
To initiate warranty coverage on any MOTREC vehicle, the Dealer must complete and return the “Sales/Installation Report”
to MOTREC within 30 days after delivery to the Original Retail Purchaser; or within 90 days after the delivery date to the
Dealer, which ever occurs first. Failure to follow these procedures will result in considering the warranty coverage effective
as of the shipment date from the factory.
The defective vehicle must be returned, at the Owner's expense, to an authorised MOTREC Dealer within 30 days after
failure. The Owner will not be charged for parts and labour required for warranty repairs, which must be performed by an
authorised MOTREC Dealer only. The vehicle will be returned at the owner’s expense. The Warranty Claim Forms must be
completed and returned with the defective part(s) to MOTREC within 30 days after repair was done. No compensation will be
allowed for damages caused by vehicle downtime.
It is the responsibility of the owner of the vehicle to make sure that the driver is properly trained and instructed in the safety
features and operation of the vehicle, including vehicle stability, as required by OSHA and ANSI-B56. Operators shall read,
understand and follow the safety and operating instructions in MOTREC Manual before driving the vehicle. Operators shall
not be permitted to drive the vehicle unless a complete and adequate training has been provided. Driving a vehicle
constitutes a hazard. The driver is responsible for the control of the vehicle while driving and must always evaluate and care
for all peculiar situations that he or she may meet while driving. The driver assumes the inherent hazards related to this
activity. The vehicle is designed for off-road use only. MOTREC disclaims any liability for incidental or consequential
damages, to include, but not be limited to, personal injury or property damage arising from vehicle misuse, lack of
maintenance or any defect in the vehicle.
It is the responsibility of the Owner of the vehicle to make sure that the service technicians are properly trained as required
by OSHA and ANSI-B56. Service technicians shall read, understand and follow instructions in the MOTREC manual before
servicing the vehicle. Only qualified and authorized personnel shall be permitted to maintain, repair, adjust and inspect the
vehicle.
MOTREC prohibits, and disclaims responsibility for, any vehicle modification altering the weight distribution and stability,
increasing the speed or affecting the safety of the vehicle. Such modifications can cause serious personal injury or property
damage for which MOTREC disclaims any responsibility.
For Owners that are located outside North America, the warranty period starts the date of shipment from the factory, and the
defective parts must be returned at the Owner's expense to MOTREC prior to warranty repair.
18/01/2008
Table of contents
TABLE OF CONTENTS
INSTRUCTIONS
SAFETY WARNINGS FOR OPERATORS
OPERATING INSTRUCTIONS
MAINTENANCE
SAFETY WARNINGS FOR SERVICE TECHNICIANS
DECALS AND LABELS
PERIODIC MAINTENANCE CHECKLIST
ACCELERATOR
MECHANICAL BAND BRAKES
BATTERY MAINTENANCE
BATTERY CHARGER
ELECTRICAL TROUBLESHOOTING
CURTIS PMC MOTOR CONTROLLER
WIRING : STANDARD CONFIGURATION
MAINTENANCE AND ADJUSTMENT
SPARE PARTS
BODY
BRAKE CONTROLS
FRONT AXLE
HANDLE BAR
REAR WHEEL
MOTOR AND DRIVE
ELECTRICAL DIAGRAM – SERIES MAIN CIRCUIT
ACCESSORIES – NO DC/DC CONVERTER
BATTERY CONFIGURATIONS - 24V
BUILT-IN OR PORTABLE 15A CHARGER
DELTA-Q HF CHARGER
MOTREC ILLUSTRATED ACCESSORIES
BATTERY DISCHARGE INDICATOR (HOBBS)
-3-
4
5
6
7
8
10
11
12
13
14
16
17
20
22
24
26
27
28
29
30
31
32
33
34
36
37
38
41
43
Instructions
INSTRUCTIONS
-4-
Instructions
SAFETY WARNINGS FOR OPERATORS
FAILURE TO OBEY THE FOLLOWING SAFETY RULES MAIN RESULT IN SEVERE INJURY.
It is the responsibility of the owner of this vehicle to train operators to ensure that they understand the operating
characteristics of this vehicle, including training in vehicle stability, and obey the following safety rules and
guidelines. Owner shall comply with OSHA and ASME/ANSI B56.8 & B56.9 regulations for vehicle use,
safety rules, operator training and certification. Do not drive this vehicle unless you are a qualified operator.
Do not drive this vehicle under the influence of drugs or alcohol.
Do not drive this vehicle on public roads and highways. This vehicle is designed to be driven in buildings.
The electrical system of this vehicle will make sparks which can ignite inflammable materials. Never use the
vehicle in hazardous areas where there are inflammable materials, explosive dust or fumes in the air.
Have your vehicle inspected regularly by trained personnel, and cease operation if a malfunction occurs.
Do not open battery compartment to prevent battery explosion, acid splashing, severe damage to eyes or skin.
Do not open motor compartment. Keep clear from moving, rotating(wheels, sheaves, etc) or lifting parts.
Never carry more passengers than number allowed for this vehicle. Wait until all occupants are seated and
holding on before moving. Always keep all body parts inside vehicle. Keep both hands on steering wheel.
Do not exceed the vehicle cargo load capacity and gross trailing weight capacity, rated for flat hard even surface.
Different operating conditions such as loose terrain or ramps reduce vehicle capacity.
Avoid loose, unbalanced or top-heavy loads to keep a good stability and prevent overturn. Do not load cargo that
can fall off the vehicle. Do not carry cargo that is longer, wider or higher than this vehicle.
Always depress slowly the accelerator for smooth acceleration. Avoid stunt driving or horseplay.
Avoid sharp turns, always slow down before turning, to prevent vehicle overturn or trailer jack knife. Vehicle is
more sensitive to overturn and jack knife when traveling on inclines or when carrying a heavy load.
Always drive straight up and down the face of an incline, never across the face, to prevent overturn and trailer
jack knife. Drive slower and start applying brakes sooner on inclines to adjust for longer stopping distance.
Use extra care and drive slowly in reverse, in congested areas or on wet or slippery ground.
Keep to the right under normal conditions. Maintain a safe distance from all objects.
Slow down and sound the horn when approaching a corner or other blind intersections.
Before leaving the vehicle, park on a level ground flat surface, turn off all switches, set the forward/reverse
switch to neutral, set the parking brake, remove the key. Do not park the vehicle on an incline.
Before battery charging, park the vehicle in a well ventilated area set for. Do not operate it when charging. To
interrupt a charging cycle, disconnect the AC plug; disconnecting the DC plug or a battery terminal, or operating
the vehicle, could damage the charger and produce a spark, battery explosion and acid splashing.
Use another driver to steer this vehicle while it is towed. Be sure the driver uses brakes when you slow or stop
the towing vehicle. Do not exceed 5 MPH or carry any passenger while towing this vehicle.
-5-
Instructions
OPERATING INSTRUCTIONS
The owner shall ensure that the operator understands the operating characteristics of this
vehicle, and obeys the safety instructions in this manual and ANSI B56 standard.
Do not drive this vehicle unless you are a certified operator as required by OSHA.
BEFORE USING VEHICLE.
Before turning on key switch: set to neutral, check for any visible damage, check brake pedal.
BATTERIES
Never open the battery compartment unless you have received proper training for battery maintenance.
Batteries emit explosive hydrogen gas that can be ignited by a spark or loose terminal. Battery acid
causes severe damage to eyes or skin. Flush the contaminated area immediately with water.
BATTERY CHARGER:
Park the vehicle in a well ventilated area for battery charging. Most battery chargers come with an
electronic control that starts when the charger is plugged and stop when the battery is fully charged. To
interrupt the charging cycle, disconnect the AC-plug, do not disconnect the DC plug.
BATTERY DISCHARGE INDICATOR:
The green light moves from right to left as batteries are being discharged. When the green light is at the
last position on the left the batteries must be recharged. A flashing light warns the operator that further
discharge will damage batteries. See HOBBS indicator instructions
KEYSWITCH:
Depress brake pedal and turn the key switch clockwise for on position. Always turn off all switches,
set the F/R selector to neutral, set the parking brake, remove the key before leaving the vehicle.
HORN:
Depress the horn button on the steering column or handle bar.
F/R SWITCH:
Three positions with neutral at center. Depress the front part of the rocker switch for forward direction.
Depress the rear part of the rocker switch for reverse direction. Always set switch to neutral, turn off
all switches, set the parking brake, remove the key before leaving the vehicle.
ACCELERATOR PEDAL:
It is designed for right foot operation only, and controls the speed of the vehicle.
FOOT BRAKE PEDAL:
It is designed for right foot operation only. The brake force is proportional to the pressure on the pedal.
PARKING BRAKE:
Depress brake pedal and pivot to lock brakes. Check pedal lock. Never park the vehicle on an incline.
Turn off switches, set to neutral, set parking brake, remove key before leaving the vehicle.
-6-
Maintenance
MAINTENANCE
-7-
Maintenance
SAFETY WARNINGS FOR SERVICE TECHNICIANS
FAILURE TO OBEY THE FOLLOWING SAFETY RULES MAIN RESULT IN SEVERE INJURY.
Owner shall comply with OSHA and ASME/ANSI B56.8 & B56.9 regulations for vehicle maintenance.
Only qualified and authorized personnel shall be permitted to maintain, repair, adjust and inspect
carriers, vehicles, tractors, and batteries.
Before any maintenance work, park the vehicle on flat level surface, turn off all switches, remove key,
lift wheels off the ground and secure with jack stands of adequate capacity. Don’t connect charger.
Keep clear from moving parts such as tires, sheaves and motor.
Follow the maintenance instructions applicable to the type of repair, maintenance, or service.
Always wear a face shield and gloves when working around batteries.
Before opening the battery compartment, disconnect the charger, turn off all switches and remove the
key. Batteries emit highly explosive gases which greatly increase when charging; do not disturb
connections or produce sparks around batteries to avoid a battery explosion and acid splashing. Battery
acid causes severe damage to eyes or skin. Flush contaminated area immediately with water.
Use insulated tools to avoid sparks that can cause battery explosion and acid splashing.
Use two counteracting tools, double-wrench technique, when disconnecting or tightening terminals on
the battery and the speed controller to avoid cracking the terminal or battery post welds.
Before cleaning or replacing a battery, charger, speed controller, contactor, relay, diode, or any other
component in the power circuit, always disconnect the charger, turn off all switches, remove the key,
wear a face shield and gloves, identify battery polarity and disconnect battery leads, discharge the
capacitor in the controller with a 10 ohms, 25 W resistor for a few seconds across B+ and B-.
After cleaning, the power must not be reapplied until terminal areas are thoroughly dry.
On EE-Rated vehicles make sure that the control box is sealed, the static strap makes good contact with
the ground, the motor is sealed by bands, the cable protectors are properly installed.
Keep cables and wires clear from mechanical and rubbing action. Make sure that cable insulation is
free from cutting or visible damage. Make sure that EE-Rated cable protectors are properly installed.
Before replacing a fuse or circuit breaker, identify the cause of failure and repair.
Programmable controllers must be programmed using the parameter settings in this service manual,
before connecting the motor, to avoid sudden vehicle movement and accident.
-8-
Maintenance
Do not try to increase motor speed by changing parameter settings in the speed controller; it can cause
accident and severe damage to the motor.
SEPEX speed controls are protected by a diode in the power circuit to filter inductive loads in the event
of a sudden power interrupt. Some speed controllers require a diode to filter inductive loads on the KSI
input. Removing the diodes will cause the speed control failure.
Before resuming maintenance operations, inspect safety warnings stickers and replace any if damage is
found and part of the text can’t be read.
-9-
Maintenance
DECALS AND LABELS
! CAUTION !
The images included in this section depict the decals/markings installed on the vehicle. It is of
the utmost importance that theses decals/markings remain unaltered and readable. Else, the
sticker or the part baring the marking has to be replaced.
Dashboard security warning label:
General security warning label:
Respectively, key switch markings, forward/reverse selector markings and light switch marking:
- 10 -
Maintenance
PERIODIC MAINTENANCE CHECKLIST
! WARNING !
Maintenance operations must be made be properly trained service technicians.
Keep clear from moving parts such as tires, sheaves and motor.
Check for all EE protections, when applicable, and keep cables and wires clear from mechanical and rubbing action
Batteries contain sulphur acid that can cause severe burns on skin or eyes.
When working around batteries, wear acid proof protective equipment: face shield and gloves.
Use electrically insulated tools to avoid sparks that can cause battery explosion.
Before any maintenance work, park the vehicle on a flat level surface, turn key switch to OFF, lift the wheels off the ground and
secure with jack stands of adequate capacity, identify and disconnect battery leads.
PERIOD DAY
CHECK/PERFORM
HOURS
MECHANICAL DAMAGE, OIL LEAKS
X
REVERSE ALARM, DEADMAN SWITCH
X
TIRE PRESSURE, pressure rating on tire
CHECK/FILL BATTERIES,
add distilled water to cover plates. Fill to the
recommended level after the batteries have
been fully charged.
BRAKE PEDAL TRAVEL
Check brake adjustment instructions
STEERING FOR PLAY
BELTS AND PULLEYS
-10 lbs. force to produce 1/8 deflexion;
-pulleys alignment.
CHAIN AND SPROCKETS
-require approximately 1/4 deflexion;
-sprockets alignment.
CLEAN/TIGHTEN WIRE TERMINALS
WASH BATTERY TOP WITH WATER
MOTOR BRUSHES FOR WEAR
-brushes must exceed holders
ACCELERATOR ADJUSTMENT
see accelerator instructions.
BRAKE MECHANICAL LINKAGES
for wear & play
BRAKE LININGS FOR WEAR
0.05 in. minimum lining thickness.
LUBRICATE
brake pedal, steering column, chain drive.
WHEEL BEARINGS PLAY
TIGHTEN NUTS/BOLTS
electric terminals; drive; steering; brakes;
suspension; body.
WEEK
20
MONTH
50
QUART.
200
X
X
X
- 11 -
X
X
X
X
X
X
X
X
X
X
X
X
YEAR
1000
2 YEARS
2000
Maintenance
ACCELERATOR
GEAR
Remove the cover.
Backlash between gears must be reduced to a minimum by sliding holder; use locktite 262
to lock the three screws.
When the plastic gear is fully depressed a small backlash must remain between the gears.
When the plastic gear is released its rear portion must not exceed the pedal case.
MICRO-SWITCH
The micro-switch must deactivate the on/off solenoid when the accelerator is released; turn the
adjusting screw (shown on figure below) to adjust the micro-switch height.
POT
Remove the terminals 2 and 3 on PMC to measure resistance signal.
When the micro-switch is activated the signal must be less than 50 ohms. When the front
portion of the pedal is fully depressed the signal must be more than 4600 ohms.
To modify the resistance, turn the adjusting screw to change the micro-switch height (see
figure below).
Proceed with the same verifications after the accelerator cover is on and then connect terminals 2 and 3.
- 12 -
Maintenance
MECHANICAL BAND BRAKES
When the brakes are properly adjusted, the clearance under the pedal should be 2 inches from
the floor when the brakes are applied. The rear wheels will also brake equally. To adjust the brakes,
turn the yoke ( 13 ) as required.
- 13 -
Maintenance
BATTERY MAINTENANCE
! WARNING !
It is the responsibility of the owner of this vehicle to ensure that the service technicians are
properly trained, read and obey the safety rules and guidelines in this manual (ANSI B56).
Maintenance operations must be made by properly trained service technicians only.
Before any maintenance work, park the vehicle on a flat level surface, turn off all the
switches, set to neutral, remove the key, lift the wheels off the ground and secure with jack
stands of adequate capacity.
Keep charger disconnected while doing any maintenance work.
Always wear a face shield and scarf when working around batteries.
Battery emits highly explosive gases; do not produce sparks to avoid battery explosion and
acid splashing. Battery acid causes severe damage to eyes or skin. Flush contaminated area
immediately with water.
Use insulated tools to avoid sparks that can cause battery explosion and acid splashing.
Use two counteracting tools, double-wrench technique, when disconnecting or tightening
battery posts.
Before cleaning or replacing a battery, discharge the capacitor in the controller with a 10
ohms, 25 W resistor for a few seconds across B+ and B-, identify battery polarity and
disconnect battery leads.
After cleaning, the power must not be reapplied until terminal areas are thoroughly dry.
BATTERY LEADS AND CONNECTORS
Check for loose connections, damaged cables, acid spill, loose terminal posts, quarterly.
BATTERY POST CORROSION
If corrosion is present on battery posts, remove the cable connectors, use a wire brush to remove
particles, and then clean them with a cloth that has been moistened with ammonia.
ELECTROLYTE LEVEL
Does not apply to sealed battery.
Disconnect battery connectors on roll-out or lift-out installations.
Make sure the battery roll-out tray is provided with stops before rolling out.
Fill with distilled water.
Daily charged batteries normally require watering once a week. Under watering leads to a
shortened battery life. Over watering leads to battery corrosion. Be careful not to overfill any cell to
avoid electrolyte to be forced out while charging.
Fill each cell to plate level with distillated or de-ionized water, before battery charging. When the
battery is charged, the fluid expands and can seep out if overfilled. Refill each cell after full charge,
when the fluid has expanded to its maximum level.
Reinstall battery caps before charging.
- 14 -
Maintenance
BATTERY MOUNTING
A loose battery increases damaging effects of vibrations and is more prone to short out.
BATTERY DISCHARGE LIMIT
Discharging below a 20% state of charge cuts down the battery life and the number of cycles available.
At 20% state of charge, specific gravity of 6V battery should be 1180; and 1220 for industrial battery.
CHARGING AREA
Always charge battery in a well ventilated area set for and approved for charging.
Never leave a charger connected for more than 20 hours.
FREQUENCY OF CHARGE
When a battery is discharged to its 20% state of charge, it is best to charge immediately.
Batteries require a low current equalization charge (min 4 hours) at least every week, to equalize
battery cells, improve battery performance and life in number of cycles.
Never leave a charger connected for more than 20 hours.
STORAGE
Keep the battery from getting cold, it would loose its capacity.
Let the battery warm up before charging.
Charge batteries in “stored” vehicles every month.
DEFECTIVE BATTERY
Check specific gravity of each cell; if a cell is shorted, voltage drop may occur only when there is
current.
- 15 -
Maintenance
BATTERY CHARGER
! WARNING !
Always unplug the AC and DC electrical cords before attempting any repairs to the charger.
CHARGER DOES NOT TURN ON:
Dc cord of portable chargers must be disconnected from batteries after every charge to restart;
Check dc fuse links;
Check battery voltage at the battery connector;
Check ac outlet and cordset;
Replace electronic control ;
RELAY CLOSES AND TRANSFORMER HUMS BUT AMMETER DOES NOT REGISTER:
Check dc fuse links;
Check the continuity of the dc output cord, ammeter, diodes and all connections in the dc
circuit;
Check diodes;
Check capacitor(rapidely increasing resistance);
SINGLE CHARGER FUSE BLOWS:
Disconnect and check diodes;
BOTH FUSE LINKS BLOW:
Check the battery pack and battery connector polarity;
Disconnect and check diodes.
CHARGER OUTPUT IS LOW:
Disconnect and check diodes;
Can be caused by a transformer failure.
AMMETER READS 30 AMPS FOR MORE THAN 30 MINUTES:
Check the battery pack;
CHARGER DOES NOT TURN OFF:
Check specific gravity in each battery cell;
As much as 16 hours may be required to properly charge heavely discharged new or cold
batteries;
Replace electronic control.
AC LINE FUSE OR CIRCUIT BREAKER BLOWS:
Check ac cordset;
Check ac line fuse rating;
Replace electronic control;
Can be caused by a transformer failure.
- 16 -
Maintenance
ELECTRICAL TROUBLESHOOTING
! WARNING !
Maintenance work must be performed by trained service technicians only.
It is the responsibility of the owner of this vehicle to ensure that the services technicians are properly
trained, understand and obey the safety rules and guidelines (ANSI B56).
All service technicians must read and understand the maintenance warning section in this manual.
! WARNING !
Before any maintenance work, park the vehicle on a flat level surface, turn off all switches, remove the
key, lift the wheels off the ground, secure with jack stands of adequate capacity, disconnect charger.
Always wear safety glasses.
Batteries emit highly explosive gases that can be ignited by a spark. Before disconnecting a high
current terminal, turn off all switches, disconnect battery charger, disconnect batteries.
Keep clear from moving parts such as tires, sheaves and motor.
PMC SELF DIAGNOSTIC
If your PMC comes with a status led, use the flashing code to help troubleshooting.
BATTERY VOLTAGE
Make sure batteries are securely connected. Measure voltage between + and - terminals. We will call
this value B+ or full battery voltage.
ACCESSORIES NOT WORKING
Check the fuses on the batteries and the DC/DC converter.
Check voltage across + and – terminals on the battery gage; if not B+, check wiring.
Turn the key switch ON, check voltage between output terminal on the key switch and the terminal on the battery gage; if not B+, replace the key switch.
Check voltage across DC/DC converter output terminals; if not 12-Volt, replace the converter.
Depress the accessory switch, check voltage across accessory terminals. If not 12-Volt, replace the
switch. If 12-Volt, replace the accessory.
FORWARD ONLY
On a SEPEX motor control, check the reverse signal input on the controller.
On a series wound motor control, a bad reverse contactor is the most probable cause of the problem.
Switch to reverse and check voltage on the reverse control wire. If not B+, replace the F/R switch. If
B+, turn off the key switch, disconnect batteries, disconnect power terminals on the F/R contactors,
check the resistance across N.C. power terminals of the reverse contactor. If not 0 ohm, change the
reverse contactor. If 0 ohms, switch to forward and check the resistance across the forward N.O. power
terminals. If not 0 ohms, change the forward contactor.
- 17 -
Maintenance
REVERSE ONLY
On a SEPEX motor control, check the forward signal input on the controller.
On a series wound motor control, a bad forward contactor is the most probable cause of the problem.
Switch to forward and check the voltage on the forward control wire. If not B+, replace the F/R switch.
If B+, turn off the key switch, disconnect batteries, disconnect power terminals on the F/R contactors,
check the resistance across N.C. power terminals of the forward contactor. If not 0 ohm, change the
forward contactor. If 0 ohms, switch to reverse and check the resistance across the reverse N.O. power
terminals. If not 0 ohms, change the reverse contactor.
TRAVEL AT REDUCED SPEED
Check batteries.
Turn off all switches and disconnect charger. Wear face shield and gloves. Do not disturb any
battery connection to avoid sparks. Check the specific gravity of each cell. Cold batteries,
highly discharged batteries or dead cells are the most frequent causes of reduced travel speed.
Check potentiometer.
Turn off the key switch, disconnect potentiometer terminals. Check the resistance between
terminals.
Other causes of lower speed:
dragging brakes;
cold temperature (higher differential oil viscosity).
INTERMITTENT OPERATION
A bad potentiometer is the most probable cause of the following:
acceleration is not constant;
maximum speed is erratic;
sudden stop after a bump or shock;
erratic starts, requiring several pedal cycles.
A bad F/R contactor is also a probable cause of the following:
sudden stop after a bump or shock;
would not start to move at times.
Erratic starts could also be the cause of a misadjusted potentiometer or micro-switch; the pot signal
must be less than 50 ohms when the micro-switch turns on.
PMC has an HPD safety feature that prevents the vehicle from moving if the accelerator pedal is
depressed before the key switch is ON and seat switch is activated.
PMC may also have an SRO safety feature that prevents the vehicle from moving if the F/R switch is
activated before turning on the key switch and activating the seat switch.
The vehicle stops on a steep and long ramp or while towing a heavy load: the circuit breaker has open
to prevent motor overheating and will reset automatically after one minute. The PMC is also equipped
with an internal thermal protection that cutback the current until the PMC has cooled down.
- 18 -
Maintenance
NO MOTION
Make sure that the PMC surface is clean and dry; check the terminal areas. Dust Particles or acid
contamination, can create current leaks and cause a PMC malfunction.
Check F/R switch
Turn on the key switch and set to forward. Check voltage between the forward terminal and the
– terminal on the battery gage, check voltage between the reverse terminal and the – terminal on
the battery gage; if both B+, replace the F/R switch.
Check switches and wiring
Disconnect control terminals on the PMC and check all control signals. If a switch pin does not
read B+, check wiring or replace the switch.
Check potentiometer
Turn the key switch to OFF, disconnect potentiometer terminals. Check the resistance across
terminals: if not within the recommended limits, adjust or replace the potentiometer. Check for
shorts between potentiometer wires and vehicle frame; resistance should read at least 1
megohm.
Check main contactor or solenoid
Check voltage across power terminals; if not B+, check circuit breaker or replace the solenoid.
Turn to on the key switch and activate the seat switch. Check voltage across the coil terminals;
if not B+, check wiring and interlock switches. Check resistance across power terminals; if not
0 ohms, replace the solenoid.
Check circuit breaker and SEPEX DIODE
Before replacing the circuit breaker, check for shorts in the power circuit and check the SEPEX
diode in the power circuit using a diode tester. If no such instrument is at hand, use an
ohmmeter: the reading should be weak in one direction and strong in the other way.
Check the resistance across the circuit breaker. If not 0 ohms, replace the circuit breaker.
Check PMC
First disconnect battery B+ and B-, then PMC B+ and M-. Check the internal diode between B+
and M- terminals using a diode tester. If no such instrument is at hand, use an ohmmeter: the
reading should be weak in one direction and strong in the other way. If the internal diode is
defective, the PMC must be replaced.
Check the Motor
First disconnect battery B+ and B-, disconnect power terminals and check the motor armature
and field for opens.
- 19 -
Curtis Speed Controller
CURTIS PMC MOTOR CONTROLLER
- 20 -
MODEL
MANUAL
1204/5
MOTOR CONTROLLERS
© 1999 CURTIS INSTRUMENTS, INC.
DESIGN OF CURTIS 1200 SERIES
CONTROLLERS PROTECTED BY U.S.
PATENT NO. 4626750.
CURTIS PMC
235 East Airway Boulevard
Livermore, California 94568 USA
Tel: 925-961-1088
F ax : 925-961-1099
www.curtisinst.com
1204 / 1205 Manual
p/n 98690, Rev. B: May 1999
- 21 -
W IRIN G
WIRING
3
CONNECTIONS: Low Current
Three 1/4" push-on terminals are provided
for the low current connections to the KSI
and throttle inputs.
For the control wiring, 0.75 mm2 (#18
AWG) vinyl insulated stranded wire is recommended.
KSI
throttle
inputs
1
2
3
CONNECTIONS: High Current
Four tin-plated solid copper bus bars are provided for the high current
connections to the battery and motor:
B-
M- output to motor field
B- negative connection to battery
B+ positive connection to battery and
B+
M-
A2
to motor armature
A2 plug diode to motor armature
The cables used for the battery and motor
connections must be heavy enough to carry
the high current required. A minimum size of 25 mm2 (#4 AWG) is
recommended. Rubber insulated welding cable is convenient to work
with because of its flexibility.
Connections to the controller bus bars should be made with lugs
suitable for the cable used, fastened by M8 (5/16") bolts and nuts. When
tightening the bolts, two opposing wrenches should be used. Failure
to use the double-wrench technique could cause undue strain to be placed
on the internal connections, and could also result in cracked seals around
the bus bars.
Curtis PMC 1204/1205 Manual
- 22 -
9
WIRING
CONTROL WIRING
FUSE
POWER WIRING
FUSE
KEYSWITCH
INTERLOCKS
PEDAL
MICROSWITCH
POLARITY
PROTECTION
DIODE
MAIN
F
R
PRECHARGE RESISTOR
(250 Ω, 5 W)
S1
–
POTBOX
R
REVERSE
F
A1
FORWARD
A2
MAIN
+
S2
F
R
BM-
B+
A2
Fig. 6 Basic wiring configuration,
Curtis PMC 1204/1205 controller.
WIRING: SERIES MOTORS
Figure 6 is a schematic of the configuration shown in Figure 5. Wired this
way, the vehicle will plug brake if the direction is changed with the vehicle
moving and the throttle applied. Reversing is accomplished via two singlepole, double-throw (2×SP D T) contactors. Coil suppression diodes should
be used on the main and forward/reverse contactors.
KSI Wiring
The keyswitch input (KSI) circuit includes input from the keyswitch and
from the various interlocks. The controller KSI is used to turn the
controller on and off. KSI is turned on by connecting it to battery B+. Any
positive voltage greater than about 8 volts will turn on the controller, but
usually the full vehicle battery voltage is used. KSI draws only a very small
current (a few mA).
In its simplest form, KSI is operated by a keyswitch that turns the
vehicle off and prevents unauthorized use. The keyswitch should also
Curtis PMC 1204/1205 Manual
- 23 -
10
MAINTENANCE & ADJUSTMENT
4
MAINTENANCE & ADJUSTMENT
Curtis 1204/1205 controllers and potboxes require only minimal maintenance if properly installed. NOTE: The controllers are sealed and thus
are not field serviceable.
CONTROLLER
Maintenance
☞
CAUTION
It is recommended that the following two steps be performed occasionally. First remove power by disconnecting the battery, and discharge
the capacitors in the controller (with a light bulb or a 2–10 Ω, 25 W
resistor connected for a few seconds across B+, B-). Follow good safety
practices: get the vehicle drive wheels off the ground, wear safety glasses,
and use insulated tools (see page 2).
1. Make sure the electrical connections to the controller (and to the
motor, contactors, etc.) are tight. When checking the controller
bus bar connections for tightness, use two opposing wrenches.
This double-wrench technique will help avoid putting stress on
the bus bars, which could crack the seals. Always use insulated
wrenches.
2. Inspect all seals at the front and back of the controller. If
necessary, use a moist rag to wipe these areas clean enough so that
you can see the seals. Look for cracks and other signs of seal
damage.
If the seals are intact, clean the controller thoroughly either by
washing it off or by wiping it clean with a moist rag. Power must
not be reapplied until the controller terminal area is completely dry.
If the seals have been damaged, there are several possible
causes. Perhaps the double-wrench technique was not used when
the cables were installed. Perhaps the vehicle’s environment
requires that the controller be better protected: either by mounting it in a different location, or by installing a protective cover.
Damaged seals can lead to faulty operation. We strongly
recommend replacing controllers that have faulty seals.
Curtis PMC 1204/1205 Manual
- 24 -
22
MAINTENANCE & ADJUSTMENT
Adjustment
On some models, the plug braking current and acceleration rate settings
are adjustable. On these adjustable controllers, the adjustment pots are
located as shown in Figure 18.
Fig. 18 Adjustment
pots.
PLUG CURRENT ADJUST
(CW = higher plug current)
ACCELERATION RATE ADJUST
(CW = faster acceleration)
Use the following adjustment procedure. The keyswitch should be off
during adjustment.
1. Remove the socket head screw (1/8" Allen) for the adjustment
you want to make.
2. Adjust the internal potentiometer using a small insulated screwdriver (available from Curtis).
3. Replace the socket head screw and nylon seal washer. To prevent stripping, do not over-tighten.
Curtis PMC 1204/1205 Manual
- 25 -
23
Spare Parts
SPARE PARTS
- 26 -
Spare Parts
BODY
REF. PART NO
1
2
3
4
5
6
6105100002
120003
2339100001
1005003
1007001
1207001
2500250002
DESCRIPTION
BODY
TRIM
REAR COVER
BUCKET SEAT WITH SLIDE ADJUSTERS
FRONT 410-6 WHEEL 4P, SPLIT RIM
REAR 410-6 WHEEL 4P, SPLIT RIM
DASH PLATE
- 27 -
Spare Parts
BRAKE CONTROLS
REF
PART NO
DESCRIPTION
REF PART NO
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
13
242800
242802
RUBBER PEDAL
LATCH
COTTER PIN
CLEVIS PIN 1/4 X 1 1/2
COTTER PIN
SPRING
LEVER
PIVOT
BOLT 1/4-NC X 3/4
LOCKNUT 1/4-NC
YOKE 3/8
14
15
16
17
18
19
20
21
25
26
BOLT 5/16-NC X 1
FLAT WASHER 5/16
SPRING
LUBRIFICATION FITTING
LOCKNUT 5/16-NC
CLEVIS PIN 3/8 X 1
COTTER PIN
ROD
BAND BRAKES
ADJUSTING SCREW
242806
242807
242808
122813
- 28 -
242816
242817
122821
122825
122826
Spare Parts
FRONT AXLE
REF. PART NO
5
22
23
24
25
27
123008
123017
121410
121409
123007
DESCRIPTION
BALL BEARING
FRONT SPLIT RIMS
FRONT SPACERS KIT
BOLT 5/8-NC X 7
TIRE AND TUBE
LOCKNUT 5/8-NC
- 29 -
Spare Parts
HANDLE BAR
REF. PART NO
1
2
4
5
6
7
8
121401
241402
2100000002
121407
121408
DESCRIPTION
HANDLE BAR
HANDGRIPS
BOLT 3/8-NC X 2
LOCKNUT 3/8-NC
BUSHING
WASHER
FORK
- 30 -
Spare Parts
REAR WHEEL
REF. PART NO
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
LOCK NUT 1/2-NC
FLAT WASHER 1/2
BALL BEARING
SPACER
SPLIT RIM
TIRE AND TUBE
HUB
DRUM
SPROCKET 54T (E-100 ONLY)
SHAFT
BOLT 1/2-NC X 5 1/2 (E-12)
BOLT 1/2-NC X 6 1/2 (E-100)
261403
2100012001
123004
123007
2224012001
1010001
1222002
2201012002
- 31 -
Spare Parts
MOTOR AND DRIVE
REF. PART NO
1
2
3
4
5
6
7
8
9
10
11
12
13
1250001
1250002
124002
124001A
122422
122423
122424
122405
122425
122426
122427
122428
122429
1022002
DESCRIPTION
TWO MOTOR BRUSHES
TWO MOTOR SPRINGS
1/2 HP MOTOR 24V.
3/4 HP MOTOR 24V.
DRIVE MOUNT
SHAFT
PILLOW BLOCK
SQUARE KEY 3/16
SQUARE KEY 3/16
SPROCKET, TO SPECIFY
PULLEY, SPECIFY DIA.
PULLEY, SPECIFY DIA.
BELT, SPECIFY PULLEY
BOLT 3/8-NC X 1 1/4
LOCKNUT 3/8-NC
CHAIN
- 32 -
Spare Parts
ELECTRICAL DIAGRAM – SERIES MAIN CIRCUIT
DIAGRAMME ÉLECTRIQUE – CIRCUIT PRINCIPAL SERIES
- 33 -
Spare Parts
ACCESSORIES – NO DC/DC CONVERTER
ACCESSOIRES – SANS CONVERTISSEUR DC/DC
- 34 -
Spare Parts
PARTS LIST
NO
A3
B2
B3
E1
E2
F1.A,B
F2
F4.A,B
G1
G2
M1 (E-12)
(E-100)
P1
R1 (E-12)
(E-100)
DESIGNATION
SERIES SPEED CONTROL, 275A
HORN
REVERSE ALARM
HEADLIGHT
TAIL/BRAKE LIGHT
FUSE, 15A
CIRCUIT BREAKER, 50A
DIODE
BATTERY
BATTERY CHARGER
PERMANENT MAGNET MOTOR, 1/3HP
PERMANENT MAGNET MOTOR, 1/2HP
INDICATOR (BDI), HOUR METER
HANDLE ACCELERATOR
FOOT PEDAL ACCELERATOR
MICROSWITCH
POTENTIOMETER
PLASTIC GEAR
SPRING
R4
RESISTANCE, 250 OHMS
R5
RESISTANCE, 5 KOHMS
S1
KEY SWITCH
S3 (E-100) SEAT SWITCH
CONNECTOR
S6 (E-12) FOOT SWITCH
S7
FOWARD/REVERSE SELECTOR
S8
LIGHT SWITCH, ROCKER TYPE
S10
HORN BUTTON
S12
BRAKE LIGHT SWITCH
S15
EMERGENCY PUSH BUTTON
EMERGENCY PUSH BUTTON, LABEL
X1
HOUR METER CONNECTOR
Y1
MAIN CONTACTOR – 24V
Y2.A,B
F/R CONTACTOR – 24V
F/R BUSSBARS
STATIC STRAP
* Consult Motrec Illustrated parts
- 35 -
REF
367010
*
*
*
*
246108K
106110
3107000001
112406
124002
*
3125012001
2142100001
367002
367003
367015
2462008
367014
2869003
246205
3109000003
3109000004
1269003
266211
1269004
*
246207
3109800001
3109800006
246111
246230
2469003
2450001
QTY
1
1
1
1
1
2
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Spare Parts
BATTERY CONFIGURATIONS - 24V
CONFIGURATIONS DES BATTERIES – 24V
- 36 -
Spare Parts
BUILT-IN OR PORTABLE 15A CHARGER
Parts list for LESTRONIC II charger MODEL 09678
TYPE 24LC15-2ET 115 VAC 60 Hz
PART NO
DESCRIPTION
09625S
09262S
16354S
02563S
09662S
04142S
03837S
03894S
03822S
07239S
20324S
08513S
14973S
09331S
09491S
12041S
08695S
16106S
08313S
04087S
02957S
CASE ASSEMBLY
TRANSFORMER ASSEMBLY
HEATSINK ASSEMBLY, WITH DIODES
AMMETER
ELECTRONIC TIMER ASSEMBLY (RELAY – 04483S)
CAPACITOR, 3.0 MFD, 660 VAC
FUSE ASSEMBLY
BUSHING, 7W-2, INSULATOR FOR CORDSETS
CORDSET, AC 102”
CORDSET, AC 15”
CORDSET, DC, NO PLUG 44”
CORDSET, DC, NO PLUG 108”
CORDSET, DC, WITH SILICONE PLUG
CORDSET, DC, WITH LESTER PLUG
CORDSET, DC, WITH 50 AMP ANDERSON PLUG, GREY
CORDSET, DC, WITH 50 AMP ANDERSON PLUG, RED
CORDSET, DC, WITH 175 AMP ANDERSON PLUG
CORDSET, DC, WITH 30 AMP POWER POLE PLUG
PLUG ASSY, DC, 50 AMP ANDERSON PLUG, GREY
PLUG ASSY, DC, 50 AMP ANDERSON PLUG, RED
PLUG ASSY, DC, 175 AMP ANDERSON PLUG
- 37 -
Spare Parts
DELTA-Q HF CHARGER
1
2
NO
PART NO
1
3102240002
3102240003
3102302001
3102302002
3102480002
3102480003
2
3119000011
DESCRIPTION
24V CHARGER ( U.S. BATTERY )
24V CHARGER ( LIFELINE BATTERY )
36V CHARGER ( U.S. BATTERY )
36V CHARGER ( LIFELINE BATTERY )
48V CHARGER ( U.S. BATTERY )
48V CHARGER ( LIFELINE BATTERY )
CONNECTOR C13
- 38 -
Spare Parts
- 39 -
Spare Parts
- 40 -
Spare Parts
MOTREC ILLUSTRATED ACCESSORIES
Strobelight, polemount
Amber 12-80V: 3116000001
Red 12-80V:
2469001
Blue 12-80V:
3690008
Red Tail/Brake light
Housing:
3069012R
Bulb 12V:
3117240001
Headlight
Left:
Right:
Bulb H/L:
Bulb Turn:
Bulb Mark:
3111480003
3111480004
3117480001
3117480003
3117480002
Horn button VIP
2330014
Horn button, column mount
246210
Strobelight, cab mount
Amber 12-48V: 3116250001
Red 12-48V:
3069026
Blue 12-48V:
3069014
Amber 72-80V:3116720001
Red 72-80V: 3116720002
Blue 72-80V: 3116720003
Back-up lamp
Grommet:
12V:
24V:
Red Tail/Brake light
Grommet:
3269001
Plug:
246012A
12V :
2469021
24V :
2469022
246050
Horn button, dash mount
266210
Clear lamp
12V:
Bulb 12V:
Amber turn lamp
12V:
3069020
Bulb 12V:
3069021
Multi-LED amber turn lamp
Round Light: 3111000010
Grommet:
3111000008
Plug:
3111000009
Turn signal switch
3269001
3669012
3669012A
3069012
1269008
Pedestral head lamp
12V:
2569001
Bulb 12V:
2569001B
Bulb 24V:
4469001
Headlight
Left:
Right:
Bulb H/L:
Bulb Turn:
Bulb Mark:
3111480003
3111480004
3111480006
3111480008
3111480007
Multi-LED Red Tail/Brake
Light:
3111000006
Grommet:
3111000008
Plug:
3119000009
Horn button
3109250001
Limit switch
3030015
Multi-LED Back-up
Light:
3111000007
Strobe light: 3111000013
Grommet:
3111000008
Plug:
3119000009
Horn
12V:
24V:
Red Tail/Brake light
12V:
386002
- 41 -
246003
246013
Spare Parts
Analog Voltmeter
12V :
3069007
24V :
2469002
36-48V :
3669002
Wiper motor
12V:
24V:
Wiper arm
HOBBS Gauge
24V:
36V:
48V:
2469026
3069038
4869037
Wiper blade
14” Blade:
18” Blade:
3113000001
486211
2800000001
2800000002
2800000003
Pantograph wiper blade
246233
Headlamp 12V: 3111250002
Cab heater
12V:
36V:
48V:
3103300001
3669008
4869020
12V Dome light
3669006
Headlamp
12V:
Bulb 12V:
Red Pilot light
12V:
Bulb 12V:
3111300001
3111300002
246212
246212B
DC-DC converter, 10A
12-48V:
3069019
Pantograph wiper arm
246233A
12V Fan
DC-DC Converter, 25A
12-48V:
3124000002
72-80V:
3124880001
- 42 -
3669013
Back-up alarm or
Motion beeper
12-48V :
3100000001
72-80V :
3105720001
12-24V Adjustable:
3100000002
Spare Parts
BATTERY DISCHARGE INDICATOR (HOBBS)
This indicator monitors :
the residual capacity of batteries;
operating hours;
status of service down counter.
The residual capacity of the battery is monitored via an 8-LED bar display. When the left red LED
lights, the batteries must be charged to avoid damage. The LED display starts flashing as a pre-warning
signal. The lower voltage limit is adjustable via potentiometer “M” on the rear.
A
1,57
B
1,63
C
1,68
D
1,73
E
1,78
F
1,82
G
1,84
H
1,86
I
1,89
J
1,91
K
1,93
In order to activate a new adjustment, the unit has to be reset :
2.35V/cell reset voltage with battery remaining in vehicle;
2,09V/cell reset voltage after battery has been disconnected.
To maintain a good battery performance, it is recommended to limit the discharging to 80% of the
battery capacity. The recommended setting for 6V batteries is F and the recommended setting for an
industrial battery is K.
An internal relay can prevent overdischarging and damaging the batteries. The relay can be wired to
cut off the reverse direction, or energize an N.C. relay and alarm.
Turning off and on the vehicle will override the protection for 30 sec.
The current status (remaining operating hours before maintenance) of the service down counter is
indicated for a period of 5 seconds after the key switch is turned on. When it is down to 0, the display
flashes. After the maintenance, reset the counter: depress the button “R” on the rear. The service
counter is factory programmable only.
24V UNIT #: 2469026
36V UNIT #: 3069038
48V UNIT #: 4869037
2- Orange, key switch
3- Relay +
4- Relay 5- Black, battery –
6- Blue, hour counter
8- White, battery +
- 43 -
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