OI Electrical Tester Straight Blades w/Isolation Module #22076

OI Electrical Tester Straight Blades w/Isolation Module #22076
Fisher Engineering
April 28, 2003
Lit. No. 26614
Electrical Tester Operator's Manual
for Straight-Blade Snowplows
with Isolation Module Electrical System
PLOW VEHICLE
PARKING LIGHTS
RIGHT DIRECTIONAL
LEFT DIRECTIONAL
HIGH BEAM
LOW BEAM 9/12P RT
LOW BEAM 12P LT
CAB
GND LOW BEAM 12P RT
GND LOW BEAM 12P LT
+12VDC
MOTOR RELAY
VALVE 2W
VALVE 2W
VALVE 3W
VALVE 3W
VALVE 4W
VALVE 4W
GROUND
PLOW
®
S Y S T E M
CAUTION
Read this document before testing any
FISHER® snowplows.
CAUTION
See your FISHER outlet for application
recommendations. The Kit Selection Guide has
specific vehicle and snowplow requirements.
®
A DIVISION OF DOUGLAS DYNAMICS, L.L.C.
SAFETY
SAFETY DEFINITIONS
PERSONAL SAFETY
• Wear only snug-fitting clothing while working on
your vehicle or snowplow.
• Do not wear jewelry or a necktie, and secure long hair.
• Wear safety goggles to protect your eyes from
battery acid, gasoline, dirt and dust.
• Avoid touching hot surfaces such as the engine,
radiator, hoses and exhaust pipes.
• Always have a fire extinguisher rated BC handy,
for flammable liquids and electrical fires.
WARNING
Indicates a potentially hazardous situation,
that if not avoided, could result in death or
serious personal injury.
CAUTION
Indicates a situation that, if not avoided, could
result in damage to product or property.
FIRE AND EXPLOSION
WARNING
NOTE: Identifies tips, helpful hints, and
maintenance information the owner/operator
should know.
Gasoline is highly flammable and gasoline
vapor is explosive. Never smoke while working
on vehicle. Keep all open flames away from
gasoline tank and lines. Wipe up any spilled
gasoline immediately.
BEFORE YOU BEGIN
Be careful when using gasoline. Do not use gasoline
to clean parts. Store only in approved containers away
from sources of heat or flame.
WARNING
Lower blade when vehicle is parked.
Temperature changes could change hydraulic
pressure, causing the blade to drop
unexpectedly or damaging hydraulic
components. Failure to do this can result in
serious personal injury.
BATTERY SAFETY
CAUTION
Batteries normally produce explosive gases
which can cause personal injury. Therefore, do
not allow flames, sparks or lit tobacco to come
near the battery. When charging or working
near a battery, always cover your face and
protect your eyes, and also provide ventilation.
WARNING
The tester shall keep bystanders clear of the
blade during this test. Do not stand between the
vehicle and the blade. A moving or falling blade
could cause personal injury.
Batteries contain sulfuric acid which burns
skin, eyes and clothing.
Disconnect the battery before removing or
replacing any electrical components.
CAUTION
Before starting any test, the snowplow must be
properly attached to the vehicle.
FUSES
• Park the vehicle on a level surface, place shift
lever in PARK or NEUTRAL and set parking brake.
April 28, 2003
The vehicle control harness contains two automotivestyle fuses. One fuse is for the snowplow park/turn
lamp power and the other is for the snowplow control
power. If a problem should occur and fuse
replacement is necessary, the replacement fuse
should be of the same value as the original. Installing
a fuse of a larger value could damage the system.
2
Lit. No. 26614
SAFETY
WARNING/CAUTION & INSTRUCTION
LABELS
Warning/Caution Label
Become familiar with and inform users about the
warning labels on the back of the blade, and the
instruction label located either on the headgear or
back of the blade.
Minute Mount® 2 System with
Straight Blades
Original Minute Mount® System
with Straight Blades
Instruction Label
Headgear
Jack
(fully raised)
Jack (lowered)
Pin Release
Handle (raised)
Stop
Jack
Lock
Pushplate
Jack
Attachment
Arm
Connecting
Pin
U.S Patents 4,280,062; 4,999,935; 5,353,530; 5,420,480; RE 35,700; 6,253,470;
CAN Patent 2,060,425; and other patents pending.
Instruction Label
U.S. Patents
4,280,062, 4,999,935,
5,353,530, 5,420,480
and other patents
pending
®
S Y S T E M
ATTACH
Pin Release
Handle
(lowered)
1. Push Pin
Release
Handle down to pull
out Connecting Pins.
2. Drive vehicle slowly to engage
Pushplates into Attachment Arms.
3. Stand in front of blade. Fully raise Pin Release
Handle to release Connecting Pins.
4. Push Headgear toward vehicle to allow
Connecting Pins to fully engage Pushplates.
5. Pull out Jack Lock. Push Pin Release Handle
into Stop.
6. While holding Jack Lock out, use Jack Handle to
raise Jack fully. Release Jack Lock.
7. Attach all electrical connectors.
REMOVING PLOW
MOUNTING PLOW
A.
1. Drive vehicle forward fully
engaging pushplates into
attachment arms.
C.
1. Remove slack from carrying
chain and reattach.
2. Back vehicle away from plow.
Pushplate
Attachment
Arm
Read Owner's Manual For Complete Instructions
2. Pull and hold Jack Lock out. Jack will drop
to ground. Then pull Pin Release Handle
away from Stop and Jack Lock. Release
Jack Lock.
3. Stand in front of blade. While pushing
Headgear toward vehicle with left hand, push
Pin Release Handle down to disengage
Connecting Pins. Make sure Connecting
Pins are fully retracted.
4. Detach all electrical connectors.
27451
DETACH
1. Place control in Lower/Float to put blade
down.
Jack Stand
B.
1. Twist connecting pin to
release tension.
2. Remove electrical covers on
vehicle.
3. Attach electrical connector to
corresponding connector on
vehicle.
4. Repeat steps B 1-3 on
passenger side of vehicle.
5. Connect hydraulic hoses to
quick disconnects. (BELT
DRIVE ONLY)
Jack Collar
Jack Leg
Connecting
Pin
Jack Lever
C
1. Release carrying chain and
reattach it leaving plenty of
slack.
2. Push headgear upward
toward vehicle until connecting
pins snap in place.
3. Pull jack lever outward and
Connecting Pin
Withdrawn
Jack
Stand
Headgear
Jack Lever
Jack Stand (Raised)
Lit. No. 26614
3
B.
1. Disconnect electrical
connector and reinsert in
protective cover.
2. Insert release rod under jack
collar.
3. Push down on release rod as
you pull and twist connecting
pin.
4. Repeat Steps B 1-3 on
passenger side.
5. Disconnect hydraulic hose
couplings and cover with dust
plugs.
A.
1. Place cab control in
"Lower/Float".
2. Push lift arm down.
3. Pull jack lever outward. Jack
stand will adjust to proper
height.
8248
April 28, 2003
SAFETY
Homesteader™ Personal Plow
Warning/Caution Label
Instruction Label
ATTACH
INSTRUCTIONS
This snowplow is for personal/homeowner use only.
1. Make certain both connecting
pins are fully retracted.
2. Drive vehicle slowly to completely
insert attachment arms into
receiver assembly slots.
3. Twist both connecting pins to
release spring tension, then
push plow gear toward vehicle
so connecting pins fully
engage holes in attachment
arms.
4. Loosen one jack handle and
slide jack sleeve down below
jack retainer. Remove jack and
retighten jack handle. Repeat
for other jack and store them.
5. Connect all electrical cables from
vehicle to snowplow.
Jack
Handle
Plow Gear
Attachment
Arm
Receiver
Assembly
Jack
Sleeve
Jack
Retainer
ON
Connecting
Pin
OFF
Jack
U.S. Patents 4,999,935; 5,420,480; 6,253,470; RE35,700; CAN Patent 2,060,425; and other patents pending.
2. Attach jacks. Loosen jack handle,
put jack on ground, and raise jack
sleeve until fully engaging jack
retainer. Tighten jack handle.
Repeat for other jack.
INSTRUCTIONS
4. Disconnect all electrical cables.
27155
1. Put blade on ground using LOWER/
FLOAT on snowplow control. Leave
control ON and in FLOAT.
DETACH
3. While pushing plow gear toward
vehicle to release connecting pin
tension, pull connecting pin out
6. See Owner's Manual for proper
on one side and twist pin handle to
snowplow storage.
keep pin retracted. Repeat
procedure for other connecting
pin.
5. Back vehicle away from
snowplow.
Read Owner's Manual for Complete Instructions
April 28, 2003
4
Lit. No. 26614
STRAIGHT BLADE ELECTRICAL TEST PROCEDURE
TEST PREPARATION
3. Use the amp meter adjusting screw to adjust the
meter to zero.
• Connect the Electrical Tester's red clip to the
positive battery terminal and the black clip to the
negative terminal. Connect the black clip last.
When disconnecting, disconnect it first.
4. Connect the tester leads to the vehicle battery.
• The tester +12VDC LED is ON.
• If a tester LED does not come on, the fault could
be an open lamp element, an open circuit, or both.
5. Turn the ignition to RUN. Do not start the engine.
6. Plug the cab control into the vehicle control
harness.
• The tester cannot verify that lamp elements wired
in parallel are good.
For Fish-Stik Control: The LED* under the
control logo is on. Press the power button.
• All vehicle lamps must be operational. An open
lamp may cause false test results.
For Joystick Solenoid Control: Turn the control
power switch on. The control indicator LED is on.
• For Fish-Stik® Control: Automatically cancels
float in angle right or left.
7. Operate the cab controls. Refer to the chart below
and verify the current draw. For all but the LOWER
function, listen for a click as the motor relay
energizes.
For Joystick Solenoid Control: After activating
the LOWER function, valve 2W will remain
activated until float is canceled. Before you test
the ANGLE LEFT or the ANGLE RIGHT function,
cancel float (and deactivate valve 2W) by
momentarily activating the RAISE function.
8. If required, repair or replace components, and
retest.
9. The test is complete. Turn off the ignition and
disconnect the tester.
• The Electrical Tester is protected by a circuit
breaker. A tripped breaker indicates a direct short.
Reset by pushing in the button located on the front
panel.
For further information refer to the Straight Blade
Mechanic's Guide featuring the Isolation Module
Electrical System.
• There are no user-serviceable parts inside the
Electrical Tester. For repair, return the Electrical
Tester to your sales outlet.
* Early hand-held control models do not have logo
or FLOAT LED's.
CONTROL – CURRENT DRAW (AMPS)
CURRENT DRAW TEST
LOWER*
1.5
1.5
ANGLE RIGHT
1.5
ANGLE LEFT
3.0
RAISE
A zero (0) reading indicates an open circuit. A low or
high reading indicates a poor connection, a burned out
bulb, a bad cartridge coil, or corrosion. The currents
listed are approximate.
* After activating the LOWER function, cancel
1. Connect the tester 2-pin connector to the plow
battery cable.
FLOAT by activating the RAISE function.
2. Connect the plow control harness (3-pin) to the
vehicle control harness. Connect the plow lighting
harness (11-pin) to the vehicle lighting harness.
Lit. No. 26614
5
April 28, 2003
STRAIGHT BLADE ELECTRICAL TEST PROCEDURE
CAB CONTROL TEST
This procedure tests the cab control functions only.
4. For Fish-Stik Control: Verify the control timeouts. For all except the LOWER function, if you
press and hold the buttons, the tester's Motor
Relay and Valve LED's time out automatically. For
the LEFT and RIGHT buttons the time-out is
approximately 4.25 seconds. The time-out for the
RAISE button is 2.5 seconds.
1. Connect the tester leads to the vehicle battery.
• The tester +12VDC LED is ON.
2. Plug the cab control into the tester.
For Fish-Stik® Control: The LED* under the
control logo is ON. Press the power button. The
POWER LED is ON.
Press and hold the LOWER button – after .75
seconds the FLOAT LED* comes on. Cancel float
by pressing the RAISE button.
5. If any LED does not come on, repair or replace
components, and retest.
For Joystick Solenoid Control: Turn the control
power switch on. The control indicator LED is ON.
6. The test is complete. Disconnect the tester.
3. Operate the control, and refer to the charts below.
Verify that the indicated Cab LED's come on.
Cancel float after the LOWER function by
activating the RAISE function.
For further information refer to the Straight Blade
Mechanic's Guide featuring the Isolation Module
Electrical System.
* Early hand-held control models do not have logo
or FLOAT LED's.
RAISE
RAISE
L
E
F
T
RAISE
R
I
G
H
T
ON/OFF
POWER
FLOAT
RAISE
LOWER
FLOAT
ANGLE RIGHT
LOWER
R
I
G
H
T
L
E
F
T
L
E
F
T
LOWER
FLOAT
LOWER
CAB
R
I
G
H
T
RAISE
ON/OFF
L
E
F
T
POWER
FLOAT
RAISE
LOWER
FLOAT
R
I
G
H
T
L
E
F
T
R
I
G
H
T
ANGLE LEFT
RAISE
ON/OFF
POWER
FLOAT
RAISE
R
I
G
H
T
L
E
F
T
L
E
F
T
LOWER
FLOAT
LOWER
LOWER
CAB
CAB
R
I
G
H
T
ON/OFF
POWER
FLOAT
RAISE
R
I
G
H
T
L
E
F
T
LOWER
CAB
+12VDC
+12VDC
+12VDC
+12VDC
MOTOR RELAY
VALVE 2W
MOTOR RELAY
VALVE 2W
MOTOR RELAY
VALVE 2W
VALVE 3W
VALVE 4W
VALVE 3W
VALVE 4W
MOTOR RELAY
VALVE 2W
VALVE 3W
VALVE 4W
April 28, 2003
6
VALVE 3W
VALVE 4W
Lit. No. 26614
STRAIGHT BLADE ELECTRICAL TEST PROCEDURE
SNOWPLOW HARNESS TEST
This procedure tests continuity in the snowplow
harnesses.
1. Connect the tester 12-pin connector to the
"Y" Adapter Cable (part number 26482) 12-pin
connector. Connect the "Y" Adapter Cable's
7 and 11-pin connectors to the snowplow
harnesses.
Isolation Module System
SNOWPLOW LED
2. Connect the "Y" Adapter Cable ORANGE/
BLACK wire to a good vehicle ground. Connect
the tester 2-pin connector to the snowplow battery
cable.
PARKING LIGHTS
RIGHT DIRECTIONAL
LEFT DIRECTIONAL
HIGH BEAM
3. Connect the tester leads to the vehicle battery.
LOW BEAM 9/12P RT
• The tester +12VDC LED is ON.
LOW BEAM 12P LT
GND LOW BEAM 12P RT
NOTE: The tester 2-pin connection is not used for
systems with a 7-pin plow harness.
GND LOW BEAM 12P LT
VALVE 2W
VALVE 3W
4. Refer to the chart at right and verify the indicated
snowplow LED's are ON.
VALVE 4W
GROUND
5. If any LED is not ON, repair or replace
components, and retest.
6. The test is complete. Disconnect the tester.
For further information refer to the Straight Blade
Mechanic's Guide featuring the Isolation Module
Electrical System.
Lit. No. 26614
7
April 28, 2003
STRAIGHT BLADE ELECTRICAL TEST PROCEDURE
VEHICLE CONTROL HARNESS TEST
This procedure tests continuity in the vehicle control
harness only.
6. Plug the control into the vehicle.
For Fish-Stik® Control: The LED* under the
control logo is on. Press the power button. The
POWER LED is ON.
1. Disconnect the snowplow electrical connectors
from the vehicle.
2. Connect the tester 12-pin connector to the
"straight" Adapter Cable (part number 26483)
12-pin connector. Connect the "straight" Adapter
Cable 7-pin connector to the vehicle control
harness.
For Joystick Solenoid Control: Turn the control
power switch on. The control indicator LED is
ON.
7. Refer to the control function charts and verify that
the indicated vehicle LED's come on. For all but
the LOWER function, listen for the click as the
motor relay energizes.
3. Connect the snowplow lighting harness to the
vehicle lighting harness.
4. Connect the tester leads to the vehicle battery.
8. If indicated LED does not come on or the motor
relay does not energize (do not hear the click),
repair or replace components, and retest.
• The tester +12VDC LED is ON.
9. The test is complete. Turn off the ignition and
disconnect the tester.
5. Turn the ignition to RUN. Do not start the engine.
For further information refer to the Straight Blade
Mechanic's Guide featuring the Isolation Module
Electrical System.
* Early hand-held control models do not have logo
or FLOAT LED's.
CAB CONTROL
LOWER**
RAISE
RAISE
L
E
F
T
R
I
G
H
T
LOWER
FLOAT
RAISE
ON/OFF
POWER
FLOAT
RAISE
R
I
G
H
T
L
E
F
T
L
E
F
T
R
I
G
H
T
LOWER
FLOAT
LOWER
RAISE
ON/OFF
L
E
F
T
POWER
FLOAT
RAISE
LOWER
FLOAT
R
I
G
H
T
L
E
F
T
R
I
G
H
T
LOWER
PLOW VEHICLE
VALVE 2W
VALVE 3W
VALVE 4W
GROUND
ANGLE RIGHT
ANGLE LEFT
RAISE
ON/OFF
POWER
FLOAT
RAISE
R
I
G
H
T
L
E
F
T
L
E
F
T
R
I
G
H
T
LOWER
FLOAT
LOWER
PLOW VEHICLE
VALVE 2W
VALVE 3W
VALVE 4W
GROUND
RAISE
R
I
G
H
T
L
E
F
T
LOWER
PLOW VEHICLE
VALVE 2W
VALVE 3W
VALVE 4W
GROUND
ON/OFF
POWER
FLOAT
PLOW VEHICLE
VALVE 2W
VALVE 3W
VALVE 4W
GROUND
** After activating the LOWER
function, cancel float by activating
the RAISE function.
April 28, 2003
8
Lit. No. 26614
NOTES
Lit. No. 26614
9
April 28, 2003
Fisher Engineering
P.O. Box 529
Rockland, ME 04841
A DIVISION OF DOUGLAS DYNAMICS, L.L.C.
Copyright© 2003 Douglas Dynamics, L.L.C. All rights reserved. This material may not be reproduced or copied, in whole or in part, in any printed,
mechanical, electronic, film or other distribution and storage media, without the written consent of Fisher Engineering. Authorization to photocopy
items for internal or personal use by Fisher Engineering outlets or snowplow owner is granted.
Fisher Engineering reserves the right under its product improvement policy to change construction or design details and furnish equipment when
so altered without reference to illustrations or specifications used. Fisher Engineering and the vehicle manufacturer may require and/or recommend
optional equipment for snow removal. Do not exceed vehicle ratings with a snowplow. Fisher Engineering offers a limited warranty for all
snowplows and accessories. See separately printed page for this important information. The following are registered (®) and unregistered (™)
trademarks of Douglas Dynamics, L.L.C.: FISHER®, Fish-Stik®, Homesteader™, Minute Mount®, Minute Mount® 2.
Printed in USA
April 28, 2003
Lit. No. 26614
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