Simplicity 00606-0 Operator's Manual

GENERAC INDUSTRIAL 12000
High Pressure Washer
Owner’s Manual
Operating Instructions and Maintenance
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Model No. 0606-0 (4 gpm High Pressure Washer) Manual No. 99568 Revision 0 (3/5/96)
“THIS SYMBOL POINTS QUT IMPORTANT SAFETY INSTRUCTIONS, WHICH, IF NOT FOLLOWED, COULD ENDANGER THE
"PERSONAL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THE
| MANUAL BEFORE ATTEMPTING. TO OPERATE THIS UNIT.
| SAFETY RUTFS
MY
Y
.. .] REPAIRS TO YOUR HIGH PRESSURE WASHER.
Hl TRAINING
Engine exhaust gases contain DEADLY carbon monoxide gas. This dan-
gerous gas, if breathed in sufficient concentrations, can cause
unconsciousness or even death. Operate this equipment only in the
open air where adequate ventilation is available.
WARNING:
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects, or other reproductive harm.
Gasoline is highly FLAMMABLE and its vapors are EXPLOSIVE. Do not
permit smoking, open flames, sparks or heat in the vicinity while han-
dling gasoline. Avoid spilling gasoline on a hot engine. Allow unit to cool
for 2 minutes before refueling. Comply with all laws regulating storage
and handling of gasoline.
Locate this pressure washer in areas away from combustible materials,
combustible fumes or dust.
The high pressure equipment is designed to be used with Sears autho-
rized parts only. If you use this equipment with parts that do not comply
with minimum specifications, the user assumes all risks and liabilities.
Some chemicals or detergents may be harmful if inhaled or ingested, caus-
ing severe nausea, fainting or poisoning. The harmful elements may
cause property damage or severe injury.
Do not allow CHILDREN to operate the Pressure Washer at any time.
Hl PREPARATION
* Operate engine only at governed speed. Running the engine at exces-
sive speeds increases the hazard of personal injury. Do not tamper with
parts which may increase or decrease the governed speed.
Do not wear loose clothing, jewelry or anything that may be caught in the
starter or other rotating parts.
Before starting the Pressure Washer in cold weather, check all parts of
the equipment and be sure ice has not formed there.
Units with broken or missing parts, or without protective housing or
covers should NEVER be operated.
The muffler and air cleaner must be installed and in good condition
before operating the Pressure Washer. These components act as spark
arrestors if the engine backfires.
Check the fuel system for leaks or signs of deterioration such as chafed
or spongy hose, loose or missing clamps or damaged tank or cap. Cor-
rect all defects before operating the Pressure Washer.
mM OPERATION
Do not spray flammable liquids.
Never aim the gun at people, animals or plants.
High pressure spray can cause paint chips or other particles to become
airborne and fly at high speeds.
Generac 12000CP Industrial High Pressure Washer
CAUTION: ALWAYS DISCONNECT SPARK PLUG WIRE AND PLACE WIRE WHERE IT CANNOT CONTACT SPARK
PLUG, TO PREVENT ACCIDENTAL STARTING WHEN SETTING UP, TRANSPORTING, ADJUSTING OR MAKING
Never allow any part of the body to come in contact with the fluid stream.
DO NOT come in contact with a fluid stream created by a leak in the high
pressure hose.
High pressure stream of fluid that this equipment can produce can pierce
skin and its undertying tissues, leading to serious injury and possible ampu-
tation.
Always wear eye protection when you use this equipment or when you
are in the vicinity where the equipment is in use.
Operate the pressure at no more than the PSI fluid pressure rated for
your pressure washer.
Never move the machine by pulling on the high pressure hose. Use the
handie provided on the top of the unit.
Always be certain the spray gun, nozzles and accessories are correctly
attached.
Never use a spray gun which does not have a trigger lock or trigger guard
in place and in working order.
Use a respirator or mask whenever there is a chance that vapors may
be inhaled. Read all instructions with mask so you are certain the mask
will provide the necessary protection against inhaling harmful vapors.
High pressure spray may damage fragile items including glass. Do not
point spray gun at glass when in the jet spray mode.
Keep the hose connected to machine or the spray gun while the system
is pressurized. Disconnecting the hose while the unit is pressurized is
dangerous.
Hold the spray gun firmly in your hand before you start the unit. Failure
to do so could result in an injury from a whipping spray gun. Do not leave
the spray gun unattended while the machine is running.
The cleaning area should have adequate slopes and drainage to reduce
the possibility of a fall due to slippery surfaces.
Keep water spray away from electric wiring or fatal electric shock may
result.
Do not adjust unloader valve to a pressure in excess of machine rating.
Do not secure trigger gun in the pull-back (open) position.
Do not by-pass any safety device on this machine.
Do not leave trigger closed for more than 5 minutes with engine running.
This could damage the pump.
The muffler and engine heat up during operation and remain hot imme-
diately after shutting it down. Avoid contact with a hot muffler or engine
of you could be severely burned.
MN MAINTENANCE AND STORAGE
Operate and store this unit on a stable surface.
* High pressure hose can develop leaks from wear, kinking, abuse, etc.
Water spraying from a leak is capable of injecting material into skin. Inspect
hose each time before using it. Check all hoses for cuts, leaks, abrasions
or bulging of cover, or damage or movement of couplings. if any of these
conditions exist, replace hose immediately. Never repair high pressure
hose. Replace it with another hose that meets minimum pressure rating
of your pressure washer.
High Pressure Washer
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Specifications
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CONGRATULATIONS on your purchase of a GENERAC high
pressure washer. It has been designed, engineered and man-
ufactured to give you the best possible dependability and
performance.
Should you experience any problem you cannot easily remedy,
please contact your nearest GENERAC Authorized Sevice
facility, or call the 1-800 number listed on the front of this
manual. We have competent, well-trained technicians and the
proper tools to service or repair this unit.
Please read and retain this manual. The instructions will enable
you to assemble and maintain your high pressure washer
properly. Always observe the “SAFETY RULES.
MODEL
NUMBER
0606-0
SERIAL
NUMBER
DATE OF
PURCHASE
THE MODEL AND SERIAL NUMBERS WILL BE FOUND
ON A DECAL ATTACHED TO THE PRESSURE WASHER.
YOU SHOULD RECORD BOTH SERIAL NUMBER AND
DATE OF PURCHASE AND KEEP IN A SAFE PLACE
FOR FUTURE REFERENCE.
MAINTENANCE AGREEMENT
A Sears Maintenance Agreement is available on this product.
Contact your nearest Sears store for details.
CUSTOMER RESPONSIBILITIES
* Read and observe the safety rules.
* Follow regular schedule in maintaining, caring for and using
your high pressure washer.
* Follow the instructions under OCustomer Responsibilities*
and “Storage” sections of this Owner's Manual.
Generac 12000CP IndustrialHigh Pressure Washer
PRODUCT SPECIFICATIONS
PRESSURE WASHER SPECIFICATIONS
QUTLET PRESSURE Adjustable to 3000 psi
FLOW RATE 4 GPM
DETERGENT MIX Use undiluted detergent
WATER SUPPLY
| TEMPERATURE Not to exceed 140°F
SUCTION HEIGHT 3 FT. minimum
ENGINE SPECIFICATIONS
ENGINE MODEL GN-Series
RATED HORSEPOWER 13
DISPLACEMENT 363сс
SPARK PLUG: Type: Champion R12YC
or equivalent
Set Gap To. 0.030 inch (0.76mm)
| GASOLINE CAPACITY 4 U.S. gallons
OIL (46 oz. capacity) SAE 30 weight
SOLID STATE IGNITIONAIR GAP 0.0125 inch
NOTE: The engine of your pressure washer is equipped with
a spark arrestor muffle. The spark arrestor must be main-
tained in effective working order by the owner/operator.
In the State of California a spark arrestor is required by law
(Section 4442 of the California Public Resources Code). Other
states may have similar laws. Federal laws apply on federal
lands.
High Pressure Washer
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Generac 12000CP Industrial High Pressure Washer
PARTS PACKED SEPARATELY IN CARTON
Main Unit
Handle
Wand
Extension
High Pressure
Hose
BC ve cor E TOS Y
Goggles
Turbo
Extension
Axie Spray Gun
PARTS BAG CONTENTS SHOWN FULL SIZE PARTS BAG CONTENTS
(not shown full size)
(4) Hex Head Capscrews M8 x 45mm
(8) Flange Lock Nuts
(2) Wheel Spacers
(2) Hex Head Capscrews M8 x 30mm
3 Chemical Injector
| | (2) Flat Washers Nozzle
(2) Hex Head Capscrews M8 x 20mm (2)Vibration Mounts
INTI ( 7
(4) Self-drilling Hex Head Capscrews (2) Flat Washers — 5/8” (2) R-Clips Rear Gun Holder
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Generac 12000CP Industrial High Pressure Washer
Know |
Your
Pressure
Washer
READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR HIGH PRESSURE WASHER. Compare
the illustrations with your high pressure washer to familiarize yourself with the locations of various controls and adjustments.
Save this manual for future reference.
PUMP
|
GOGGLES FUEL TANK PRESSURE æ (
| REGULATOR (
SPRAY GUN | |
TURBO NOZZLE
HIGH PRESSURE
HIGH PRESSURE |
HOSE |
Ou Fe WATER INLET
\ SIDE VIEW
o Eo ENGINE START/STOP
— CHEMICAL INJECTION SWITCH
E— REGULATOR
3-22 @ SPARK ARRESTOR
AA LE — | pump MUFFLER
| = QUICK-DISCONNECT ——
NOZZLES |
FRONT VIEW
PRESSURE REGULATOR — Allows you to adjust the pres-
sure of the outlet stream.
ENGINE ON-OFF CONTROL — Sets engine in starting mode
for recoil starter; turns OFF running engine.
INTAKE SUPPLY FILTER — Filters inlet water supply.
DETERGENT PICKUP TUBE AND FILTER — Mixes water and
detergent in outlet water flow.
HIGH PRESSURE OUTLET — Connection for high pressure
RECOIL STARTER — Used for starting the engine manually.
AIR CLEANER - Dry type filter element limits the amount of
dirt and dust that gets in the engine.
GUN AND WAND ASSEMBLY — Controls the application of
water onto cleaning surface with trigger device. Includes safety
latch.
hose.
QUICK-CONNECT NOZZLES— Easy connection for the type
of spray mode your cleaning job requires. Each quick connect
nozzle has its own function ranging from detergent applica-
tion to differing angles of spray patterns.
TURBO NOZZLE — Enables you to expand the area of the
high pressure mode.
High Pressure Washer
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Read these instructions and Operator's Manual in its entirety
before you attempt to assemble or operate your new high
pressure washer. Your high pressure washer has, for the most
part, been assembled at the factory, except those parts left
unassembled. Before you can operate your new high pressure
washer, you must attach the guide handle and properly con-
nect the high pressure hose and the water supply. |
IF YOU HAVE ANY PROBLEMS WITH THE ASSEMBLY OF
YOUR PRESSURE WASHER, PLEASE CALL THE PRES-
SURE WASHER HELPLINE AT 1-800-270-1408.
M TOOLS NEEDED
You will need (2) large adjustable wrenches, a 10mm socket
wrench and a 13mm socket wrench.
MN ASSEMBLE THE WHEEL KIT
Refer to Page 5, “Contents of Hardware Pack” for an illustrated
listing of all the items included with your pressure washer.
Become familiar with each piece before assembling the pres-
sure washer. Check all contents against the illustrations on
Page 5. If any parts are missing or damaged, call the pres-
sure washer helpline at 1-800-270-1408.
1. Insert one of the R-clips into hole on the end of the axle.
2. Place M12 flat washer and one wheel (valve faces outward)
and spacer on one end of the axle and slide the spacer, wheel
and washer against R-clip.
~ STEP 1 -~ ASSEMBLE THE WHEEL KIT
SELF-DRILLING SCREW
a Generac 12000CP Industrial High Pressure Washer
3. Slip opposite end of axle through holes at the base of the
pressure washer and place the other spacer and wheel fol-
lowed by 5/8" washer on the other end of the axle (valve faces
outward).
4. Insert remaining -R-clip into hole at end of axle.
5. Attach 2 vibration mounts to support brace with remaining
capscrews and lock nuts.
. 6. Attach the unit support to the cradle with two M8 x 20mm
capscrews and two M8 lock nuts through holes provided on
front pump cross support. Tighten securely with wrench.
Step 2— ASSEMMBLE GUIDE HANDLE AND
GUN HOLDER
LOCK NUT
CAPSCREW
CAUTION: You must assemble the spray gun and
A attach all hoses before you start the engine. Start-
ing the engine without all the hoses connected and
no water supplied will damage the pump.
. Step 3 — ATTACH HOSE TO GUN
High Pressure Washer
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© YESENTIRS Generac 12000CP Industrial High Pressure Washer
Step 4 — CONNECT GARDEN HOSE TO
WATER INLET AND HIGH PRESSURE HOSE TO
HIGH PRESSURE OUTLET
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{7 WATER INLET ==
o Check inlet screen to be sure it is not damaged.
* Attach garden hose to the water inlet.
* Check that high pressure hose is attached to pump outlet
and spray gun.
CAUTION: You must assemble the spray gun and
A attach all hoses before you start the engine. Start-
ing the engine without all the hoses connected will
damage the pump.
* Turn ON water.
Step 5 — SQUEEZE TRIGGER TO PURGE PUMP
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CAUTION: Before starting the pressure washer, be
NN sure you are wearing adequate eye protection.
Goggles are included with this unit.
Step 6 — CONNECT WAND EXTENSION TO
SPRAY GUN
TURBO NOZZLE
Step 7 — SELECT AND INSTALL NOZZLE
TO END OF WAND EXTENSION
Quick disconnect nozzles are NOT installed in the wand exten-
sion. To install or change a quick disconnect nozzle, simply
slide the collar of the adaptor backward and insert or pull out
the nozzle.
Nozzles included are 0° (red); 15° (yellow); 25° (green); 40°
(white) and 2540 (black, chemical injector nozzle).
NOTE: To use the chemical injector, the black 2540 nozzle
must be installed in the wand extension.
To further identify the nozzle you wish to use, look at numbers
on nozzle head. With a number such as "15045", the spray
angle (15 degrees) is indicated with the first two digits. The
last three digits indicate the size of the nozzle.
High Pressure Washer
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BEFORE YOU CAN START USING YOUR NEW PRESSURE
WASHER, YOU MUST PREPARE THE ENGINE.
Step 9 — ADD OIL TO ENGINE
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Bl ADD ENGINE OIL BEFORE INITIAL START
Remove one of the yellow Oil Fill Caps and add engine oil until
oil level is at point of overflowing. Check engine oil level before
starting each time thereafter. If oil level is below point of over-
flowing, fill to proper level.
CAUTION: Any attempt to crank or start the engine
A before it has been properly serviced with the rec-
ommended oil results in an engine failure.
The recommended oils include the following:
* During summer months: SAE 30. SAE 10W-30 is an accept-
able substitute.
* During winter months: 5W-30. DO NOT USE 10W-40.
Crankcase oil capacity is about 620ml or about 21 fluid ounces.
Use no special additives.
№ STEP 10 — ADD FUEL
Use regular UNLEADED gasoline, slowly, to fuel tank. You may
also use regular leaded gasoline if UNLEADED is not avail-
able. Fuel capacity is one (1) U.S. gallon (4 liters).
CAUTION: Do not overfill the fuel tank. Always
A allow room in the fuel tank for expansion.
WARNING: NEVER FILL FUEL TANK INDOORS.
A NEVER FILL FUEL TANK WHEN ENGINE IS RUN-
NING OR HOT. DO NOT SMOKE WHEN FILLING
FUEL TANK.
| Step 11 — INSTALL PUMP DIPSTICK |
OPERATION ] Generac 12000CP Industrial High Pressure Washer
The pump is supplied complete with oil, but before you use
the pressure washer, you must remove the red cap from the
oil fill hole on the pump and insert the Oil Dipstick into the pump.
Check that the oil level is correct at the oil lever window. If you
need to add oil, use SAE 30 weight non-detergent oil.
Step 12 — PLACE ENGINE RUN-STOP SWITCH TO
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CLOSED
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High Pressure Washer
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NOTE: The spray gun includes a SAFETY LATCH that allows
you to prevent trigger acutation. Use it after the engine is
started to prevent the washer from inadvertantly spraying
while you prepare chemical application or perform other tasks.
Step 14 — SET SAFETY LATCH ON GUN HANDLE
SAFETY LATCH
Step 15 — FOR COLD ENGINE, MOVE LEVER TO
FULL CHOKE POSITION
* Forwarm engine, move choke lever to half choke or “RUN”
position.
* Disengage Safety Latch and press trigger on pressure
washer gun.
* Grasp engine starter recoil handle and pull once.
* When engine starts, move choke lever to RUN position. If
engine fails to start, move choke lever to RUN position and
pull starter rope (2 pulls max.)
* If engine still fails to start, move choke lever to FULL posi-
tion, press trigger on pressure washer gun and pull starter
recoil handle once.
Step 16 — ADJUST PRESSURE REGULAOR
DECREASE
Hil
CAUTION: Do not run pump without water supply
A connected. Do not allow pump to run for more
than 5 minutes without pulling the trigger on spray
gun. If not in use for more than 5 minutes without
pulling trigger, relieve pressure and shut off unit.
You must follow this caution or the pump will be
damaged.
STOPPING YOUR PRESSURE
WASHER
* First move engine RUN-STOP switch to STOP position.
* Simply shutting OFF engine will not release pressure
in the system. When engine has shut down, pull the trig-
ger on the gun to relieve the pressure in the hose.
HOW TO USE YOUR WASHER
You now should know how to START your pressure washer
and how to STOP it. The information in this section will tell you
how to apply detergent or any other cleaning chemicals.
* Point the nozzle toward the ground and press the trigger to
test the pattern (Fig. 17 on Page 10).
High Pressure Washer
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Ш INJECTING CLEANING AGENTS
> 1.1f you use a detergent or wax, connect the metal fitting of
on the clear plastic tube into the injector fitting on the pump
2 pr (Fig. 19). Then place the smail filter in the detergent con-
tainer.
Figure 19 — Setting up Chemical Injector Syste
CAUTION: Keep plastic injector tube from coming
el +. J A in contact with the hot muffler. This will damage
a > im : the plastic tube. When inserting the filter into a
* For most effective cleaning, keep spray nozzle between 8 cleaning agent bottle route the tube so as to keep
to 24 inches of cleaning surface. it from inadvertently contacting the hot muffler.
* It you get the spray nozzle too close, especially using high NOTE: You can order multi-purpose cleaner/degreaser (Part
pressure mode, you may damage the cleaning surface. #88181); car wash detergent (Part #88182); and car wax
* Do not get closer than 6 inches when cleaning automobile (Part 488183) from Generac. See your Dealer/Distributor.
tires.
o
15° (yellow) | | I ) 40° (white)
High Pressure Washer
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CAUTION: Use soaps designed specifically for
A pressure washers. Household detergents could
damage the pump.
2. Install 2540 nozzle into wand extension. Be sure nozzle is
installed before applying detergent or wax.
3. Press trigger.
4. Adjust knob on injector (Fig. 20) for concentration of deter-
gent-to-water that you want for your cleaning job.
Figure 20 — Adjusting Chemical Concentration
О РО“ -
CHEMICAL REGULATOR X
—.
NOTE: Wash your hands after they come in contact with the
Generac detergents and cleaning agents.
CAUTION: Never use garden hose inlet to siphon
A detergent or wax.
M TO CLEAN
Start at lower portion of area to be washed and work upward,
using long, even overlapping strokes. Detergent or degreaser
works best when you apply it to a dry surface first. Let it set
for 3-5 minutes before washing and rinsing.
HB RINSE
Push the nozzle sleeve to high pressure and wait for deter-
gent to clear. Start at the top of area to be rinsed, working down
with the same action as for cleaning.
E TO STOP
If you have used chemical injector hose you must flush it with
clean water before stopping the engine. Place the injector
filter into a pail of clear water while running Pressure Washer
with nozzle in low pressure mode. Flush for five minutes.
1. To shut off the pump, move Engine RUN-STOP Switch to
STOP position.
2. Simply shutting OFF engine will not release pressure in the
system. When engine has shut down, pull the trigger on the
gun to relieve the pressure in the hose.
PREPARING THE UNIT FOR
STORAGE
Water should not remain in the unit for long periods of time.
Sediments of minerals can deposit on pump parts and “freeze”
pump action. If you do not plan to use the Pressure Washer
for more than 30 days, follow this procedure:
1. Flush detergent hose by placing the injector filter into a pail
of clear water while running Pressure Washer with nozzle
in low pressure mode. Flush for five minutes.
2. Shut off the engine and let it cool, then remove all hoses.
3. Place engine RUN-STOP Switch in STOP position.
CAUTION: Be sure switch is in “STOP” position
A before you continue. If you start engine without
proper water supply connected, you can damage
pump.
4. Empty the pump of all pumped liquids by pulling recoil
handle about 6 times. This should remove most of the liquid
in the pump.
NOTE: To protect unit from freezing temperatures, draw wind-
shield washer fluid into pump by pouring windshield washer
fluid into a 3-foot section of garden hose connected to inlet
adaptor and pulling recoil handle twice.
5. Store in a clean, dry area.
HE ENGINE PREPARATION
WARNING: NEVER STORE ENGINE WITH FUEL IN
A\ | TANK INDOORS OR IN ENCLOSED, POORLY VEN-
TILATED AREAS WHERE FUMES MAY REACH AN
OPEN FLAME, SPARK OR PILOT LIGHT AS ON A
FURNACE, WATER HEATER, CLOTHES DRYER OR
OTHER GAS APPLIANCE.
Use a fuel additive such as STA-BIL, or an equivalent, to pre-
vent gum deposits from forming in the engine’s fuel system.
NOTE: If you did use “gasohol”, run engine until engine stops
from lack of fuel.
e While engine is still warm, drain oil from crankcase. Refill
with fresh oil. See “PREPARING WASHER FOR FIRST
USE” for oil recommendations.
High Pressure Washer
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Neg Generac 12000CP Industrial High Pressure Washer
* Remove spark plug and pour about 1/2 ounce (15ml) of
engine oil into the cylinder. Cover spark plug hole with rag.
Crank slowly to distribute oil.
A
+ Install spark plug. Do not connect spark plug wire.
CAUTION! Avoid spray from spark plug hole when
cranking engine slowly.
ENGINE MAINTENANCE
M CHECKING OIL LEVEL
See “PREPARING WASHER FOR FIRST USE” for informa-
tion on checking oil level. Oil level should be checked prior to
each use or at least every eight hours of operation. Keep oil
level maintained.
M CHANGING OIL
Change oil after first 8 hours of operation. Change oil every
50 hours thereafter. If you are using your pressure washer under
extremely dirty or dusty conditions, or in extremely hot weather,
change oil more often.
Change oil while engine is still warm, as follows:
A
1. Clean area around oil drain plug, remove plug and drain oil
completely into a suitable container (Figure 21).
CAUTION: Disconnect spark plug wire from spark
plug and keep it away from spark plug.
Figure 21 — Draining Oil from Engine
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à. When all oil has drained, install and tighten oil drain plug.
3. Remove oil fill plug and insert a clean fill funnel into plug
opening. Fill engine crankcase with recommended oil until
oil level is at point of overflowing. Do not overfill above that
mark. About 21 ounces is required. POUR SLOWLY.
4. When engine crankcase is filled to proper level, install and
tighten oil fill plug.
BM REPLACE SPARK PLUG
Change the spark plug every 100 hours of operation or once
each year, whichever comes first. This will help your engine
to start easier and run better. Replace with Champion RC12YC
or equivalent type spark plug. Set spark plug gap (Figure 22)
to 0.030 inch (0.76mm).
Figure 22 — Setting Spark Plug Gap
0.076mm
EH SERVICE AIR CLEANER
Your engine will not run properly and may be damaged if you
run it using a dirty air cleaner.
Clean or replace the air cleaner paper filter once every 25 hours
of operation or once a year, whichever comes first. Clean or
replace more often if operating under dusty or dirty conditions.
Clean foam pre-filter every 25 hours of operation or sooner
under dusty conditions.
CAUTION: Never run this unit without the com-
plete air cleaner system installed on the engine.
This could result in premature wear to the engine.
A
To clean or replace foam prefilter:
1. Remove air cleaner cover, then foam prefilter (Figure 23 on
Page 13).
High Pressure Washer
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PRE-FILTER = —
a -—
2. Wash prefilter in soap water. Squeeze pre-cleaner dry in
clean cloth (DO NOT TWIST). Saturate pre-cieaner in ciean
engine oil and then wrap pre-cleaner in clean dry cloth to
squeeze out excess oil (DO NOT TWIST).
3. Clean air cleaner cover before installing it.
TO CLEAN OR REPLACE PAPER AIR FILTER:
1. Remove air cleaner cover; then remove foam prefilter (ser-
vice if necessary) and remove paper filter.
2. Clean air filter by tapping it gently on a solid surface. If the
filter is too dirty, replace it with a new one. Dispose of the
old filter properly.
3. Clean air cleaner cover then insert pre-filter into cover. Next
insert new paper filter into cover to hold pre-filter in place
and assemble all of them to base of air cleaner.
M CLEAN SPARK ARRESTOR SCREEN
The engine exhaust muffler has a spark arrestor screen.
Inspect and clean the screen every 100 hours of operation or
once each year, whichever comes first.
A
WARNING: LET THE MUFFLER COOL BEFORE
WORKING ON IT. CONTACT WITH A HOT MUF-
FLER OR ENGINE CAN CAUSE SEVERE BURNS.
Generac 12000CP Industrial High Pressure Washer
Clean and inspect the spark arrestor as follows:
1. To remove the muffier guard from the muffler, remove the
four screws that connect the guard to the muffler bracket
(Figure 24).
Figure 24 — Removing Muffler Guard
and Spark Arrestor
MUFFLER
SPARK ARRESTOR
SCREEN
»
2. Remove four screws that attach the spark arrestor screen.
3. Inspect screen and replace if torn, perforated or otherwise
damaged. DO NOT USE a defective screen. If screen is
not damaged, clean it with commercial solvent.
4, Reattach the screen and the muffler guard.
PUMP MAINTENANCE
EM PUMP OIL
Change pump oil after first 50 hours of operation. Change every
500 hours thereafter. To change pump oil, follows these steps:
1. Place the pressure washer in a position so you can drain
the oil from the washer's oil drain plug into a suitable con-
tainer.
2. Open the Oil Drain Plug (brass bolt on under side of pump).
3. When oil has drained completely, install and tighten oil drain
plug.
High Pressure Washer
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MAINTENANCF Generac 12000CP industrial High Pressure Washer
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4. Remove oil dipstick, insert funnel and add recommended
SAE 30 weight non-detergent oil (Figure 25).
5. Install Oil Dipstick back into pump.
Figure 25 — Adding Oil to Pressure Washer Pump
LOW OIL PRESSURE
SHUTDOWN SYSTEM
The engine is equipped with a low oil pressure sensor that shuts
down the engine automatically when the oil pressure drops
below 6 psi. If the engine shuts down by itself and the fuel tank
has enough gasoline, check engine oil level,
Ш INITIAL STARTUP
A delay built in the shutdown system allows oil pressure to build
during starting. The delay allows the engine to run for about
10 seconds before sensing oil pressure.
Ш SENSING LOW PRESSURE
If the system senses low oil pressure during operation, the
engine shuts down. As the system shuts down, the low oil light
comes ON. However, once the engine has stopped rotating,
this light will go OFF.
Ш RESTARTING
If you try to restart the engine within 5 seconds after it shuts
down, the engine may NOT start. The system needs 5 to 10
seconds to reset.
If you do restart the engine after such a shutdown and have
not corrected the low oil pressure, the engine runs for about
— 10 seconds as described above and then stops.
SERVICE AND ADJUSTMENTS
HE ENGINE SPEED
A
CAUTION: Engine speed was properly adjusted at
the factory and should require no additional
adjustment. Do not attempt to change engine
speed. If you believe the engine is running too fast
or too slow, take your pressure washer to autho-
rized service center for repair and adjustment.
CHANGING ENGINE GOVERNED SPEED WILL
VOID ENGINE WARRANTY.
Your pressure washer runs at a constant speed. This constant
operating speed is maintained by a mechanical, flyweight
type, fixed speed governor. DO NOT try to adjust the governed
speed setting for the following reasons:
* High engine speeds are dangerous and increase the risk of
personal injury or damage to equipment.
* Low engine speeds impose a heavy load on the engine when
sufficient engine power is not available and may shorten
engine life.
Hl ADJUSTING THE CARBURETOR
The carburetor of your pressure washer is pre-set at the fac-
tory. The carburetor should not be tampered with. If your
pressure washer is used at an altitude above 5,000 feet, con-
sult your Generac service facility regarding high altitude jetting
changes.
High Pressure Washer
а
14
Generac 12000CP Industrial High Pressure Washer
“ TROUBLESHOOTING POINTS
PROBLEM
Pump has following problems:
failure to produce pressure, erratic
pressure, chattering, loss of pressure,
low water volume.
Detergent fails to mix with spray.
Engine runs good at no-load but ©bogs
when load is added.
Engine will not start; or starts
and runs rough
CAUSE
1.Nozzle in low pressure mode.
2. Low regulator pressure
3. Water inlet is blocked.
4.Inadequate water supply
5. Inlet hose is kinked or leaking
6. Clogged inlet hose strainer.
7.Detergent line is not submerged.
8. Water supply is over 140°F.
9. Outlet hose is blocked or leaks.
10. Gun leaks.
11. Nozzle is obstructed.
12. Pump is faulty.
1. Detergent line is not submerged.
2. Chemical filter is clogged.
3. Nozzle is in high pressure mode.
low pressure mode.
4. Chemical adjuster is closed.
Engine speed is too slow.
1. Low oil level
2. Dirty air cleaner
3. Out of gasoline.
4. Stale gasoline.
High Pressure-Washer
er
15
CORRECTION
1. Pull nozzle backward for high
pressure mode.
. Adjust regulator to desired setting.
. Clear inlet
. Provide adequate water flow.
. Straighten inlet hose, patch leak.
. Check and clean inlet hose
strainer.
©) On > WN
7. Submerge detergent line.
8. Provide cooler water supply.
9. Clear blocks in outlet hose.
10. Replace gun.
11. Clear nozzle.
12. Contact Generac service facility.
1. Insert chemical line into detergent.
2. Clean or replace filter/detergent
line.
3. Push nozzle forward for
4. Open chemical adjuster.
Contact Generac service facility.
1. Fill crankcase to proper level.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank; fill with fresh fuel.
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EXPLODED VIEW — PRESSURE WASHER
CHEMICAL
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ASSEMBLY 15 THIS MANNER.
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High Pressure Washer
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16
я” Generac 12000CP Industrial High Pressure Washer
REPAIR PARTS — PRESSURE WASHER |
Drawing No. 99570
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
1 92412 1 Cradle - MC-12000 37 89641 1 Wand
2 92531 1 Engine Support 38 89633 1 Spray Gun
3 92731 1 Engine & Muffler Support 39 87985 1 Rear Wand Holder
4 92294 1 Pump — General 4 GPM at 40 78831-B 4 M6-1.0 x 60mm Capscrew
3000 PSI (black)
5 50190 4 M8 Flat Washer 41 80270 1 Tank Valve
6 92485 1 Pump Support Bracket 42 78299 1 Plastic Tank Bushing
7 22145 2 M8 Flat Washer 43 94834 1 Fuel Cap
8 22288 4 5/16"-24 x 1-1/4" Capscrew 44 92035 1 Fuel Tank
9 22129 24 M8 Lock Washer 45 92039 1 Heat Shield
10 39287 4 M8-1.25 x 45mm Capscrew 46 92665 1 #2-1/4" thick Insulation
11 45771 4 M8-1.25 Hex Nut 47 85000 1 Insulation Clip
12 92609 2 Vibration Mount 48 77395 4 M6Flange Lock Nut
13 82857 2 Vibration Mount 49 83465 4 Tank Grommet
14 92532 1 Muffler Bracket 50 89634 1 3/8” 1.D. Hose (50 ft. long)
15 90239 1 Exhaust Gasket 51 92629 1 Decal — Danger
16 66476 2 M6-1.0 x 12mm Capscrew 52 99139 2 Decal — Industrical 12000
17 91153 1 Muffler 53 94077 1 Decal — Start Instructions
18 40976 2 M8-1.25 x 20mm Capscrew 55 25244 10 5/167-18 Hex Nut
19 83083 1 Spark Arrestor Screen 56 93221 2 Decal — Constr. Contractor
20 30809 4 Nozzle Grommet 57 90200 1 Nozzle — Chemical Injection
21 52858 8 M8-1.25 Flange Lock Nut 2540 (black)
22 85652 2 Shock Mount 58 89493 1 Turbo Wand
23 42907 2 M8-1.25 x 16mm Capscrew 59 ENG94415 1 13 HP Engine
24 27007 2 Shock Mount 60 22531 2 5/16"-18 x 1-3/4” Capscrew
25 42909 2 M8-1.25 x 30mm Capscrew 61 22142 2 5/16°-18 x 3/4” Capscrew
26 39253 2 M8-1.25 x 20mm Capscrew 62 90200A 1 Quick Connect Nozzle
27 89636 1 Gun Support Wire 00045 (red)
28 93393C 1 Guide Handle 63 902008 1 Quick Connect Nozzle
29 93693A 1 Zinc Axle | 15045 (yellow)
30 89635 2 Wheel Spacer 64 90200C 1 Quick Connect Nozzle
31 89742 2 Wheel 25045 (green)
32 22247 2 5/8” Flat Washer- 65 90200D 1 Quick Connect Nozzle
33 87005 2 Quick Release Pin 40045 (white)
34 86292 8 #10-16 Self-drilling Screw 66 92483 1 Unit Support Bracket
35 87815 2 Safety Goggles 67 92550 1 injection Tube (replacement)
36 90199 1 Quick Disconnect Adaptor 68 63281 1 Key — 1/4” sq. x 2” long
High Pressure Washer
ar
7
oF Generac 12000CP Industrial High Pressure Washer
EXPLODED VIEW — LONG BLOCK
Drawing No. 83936
High Pressure Washer
—_ sE ==>
18
SE Generac 12000CP Industrical High Pressure Washer
7
REPAIR PARTS — LONG BLOCK
Drawing No. 83936
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
1 71978 1 Connecting Rod with cap and 30 84430 1 Balancer
bolt 31 83923 1 Cylinder Head with valve
2 71980 1 Piston Pin seats and guides
3 71977 1 Piston Ring Set 32 86516 1 Exhaust Valve
4 76339 1 Piston 33 86517 2 Intake Valve
5 71983 2 Piston Pin Retainer | 34 883968 2 Push Rod
6 76378 1 Crankshaft Assm. with gears 35 83897 2 Tappet
7 83948 1 Governor Arm 36 77158 1 Oil Pick-up Assembly
8 78658 1 Governor Arm “R” Pin 37 71987 1 Rocker Cover Gasket
9 78659 2 Governor Arm Washer 38 72694 2 Pivot Ball Stud
10 88261 1 Crankcase H.S. w/plugs 39 83907 2 Rocker Arm
11 72654 1 Sleeve Bearing 40 72696 2 Jam Nut, Rocker Arm
12 72655 2 Crankshaft Seal 41 78694 1 Push Rod Guide Plate
13 83912 1 Governor Gear Assembly 42 73149 4 Head Bolt - M10 x 100mm
14 78645 1 Governor Retainer [“C” Ring] 43 83938 1 Rocker Cover Breather Asm.
15 76365 1 Governor Spool 44 76329 1 Oil Fill Plug
16 786998 1 Sleeve Dowel 45 71979 2 Connecting Rod Bolt
17 78699C 2 Sleeve Dowel 46 86254 1 O-ring
18 88590 1 Solid Dowel 47 26925 2 Pipe Plug, 3/8" NPT
19 83932 1 Camshaft Assembly 48 78692 1 Screw — M5-0.8 x 8mm
20 76701 1 Crankcase Gasket 49 827738 1 Decal
21 73142 1 Cylinder Head Gasket 50 86515 4 Valve Spring Keeper
22 78691 1 Oil Pressure Relief Cover 51 78606 4 M6-1.0 x 12mm Screw with
23 83918 1 Pressure Relief Spring Washer
24 76362 1 Pressure Relief Ball 52 73144 8 Flange Bolt M8-1.25 x 45mm
25 76361 1 Thrust Washer 53 78672 1 Valve Stem Seal
26 882608 1 Gear Cover 54 89673 2 Valve Spring Washer
27 86514 2 Valve Spring Retainer 55 83921 1 Gen. Bearing Tube Shaft
28 91308 2 Valve Spring
29 86025 1 Geroter Set
High Pressure Washer
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High Pressure Washer
20
Generac 12000CP Industrial High Pressure Washer
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Drawing No. 81645
REPAIR PARTS — ENGINE TRIM SPECIFICATIONS
ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION
1 73100 1 Governor Spring 35 73101 1 Bracket, Governor Adjust
2 83502 1 Governor Adjust Bolt A M5 with idle Control
3 83503 1 Metal Lock Nut A M5-0.8 36 72734 1 Governor Lever Assembly
4 92437 1 Blower Housing Assembly 37 94683 1 Oil Filter Adaptor
5 95092 1 Recoil Assembly 38 81642 1 Low Oil Indicator Lamp
6 81641 1 Recoil Cup 39 77667 1 Low Oil Pressure Switch
7 67890 1 Flywheel Hex Nut 40 40945 2 M6-1.0 x 20mm Capscrew
8 67198N 1 Bevel Washer 41 45756 7 Screw, M6-1.0 x 10mm
9 77147A 1 Flywheel Assembly 42 49813 2 Hex Nut, M6-1.0
10 84542 1 Ignition Coil Assembly 43 49821 2 M8-1.25 x 30mm Capscrew
11 73104A 1 Air Cleaner Cover 44 59635 1 Plastite Screw A #8 x 3/8"
12 73108A 1 Air Cleaner Base 45 66476 4 M6-1.0 x 12mm Capscrew
13 73111 1 Air Cleaner Element 47 81646 1 Air Filter Pre-cleaner
14 91204 1 Spit Back Plate 48 81668 9 M6-1.0 x 10mm Capscrew
16 90827 1 Air Box Bracket 49 83512 3 Screw, M8-1.25 x 15mm
17 90970 1 Air Cleaner Gasket 50 86999 1 Oil Filter Adaptor Gasket
18 91187 1 Carburetor 51 92079 2 Screw, M6-1.0 x 25mm
19 89228 1 Carburetor/manifold Gasket 52 22097 4 M6 Lockwasher
20 78609 2 Air Cleaner Cover Bolt 53 84329 1 3-pin Male Housing
21 91028 1 Adaptor OK® 55 92981 1 Ignition Wire Assembly
22 81647 2 Carburetor Mounting Bolt 57 49811 2 M6 Flat Washer
23 72745 1 Breather Hose 58 93104 1 LOS Engine Decal
24 83504 1 Choke Knob 59 91001A 1 Long Block w/straight shaft
25 73116A 1 Blower Housing Backplate 60 87221B 1 LOS Module
26 91039 1 Intake Adaptor Gasket 61 72709 1 Oil Filter Pad Cover
27 82774 1 Woodruff Key 4 x 19 62 93611 1 Sleeving
28 72735 1 Governor Control Rod 63 86260 1 Starter Mount Bracket
29 72789 1 Governor Anti-lash Spring 64 93922 1 Starter Mount Support
30 78653 1 Engine Shut-off Switch 65 22127 2 1/4-20 Hex Nut
31 88434 1 Bottom Wrapper 66 22129 4 M8 Lock Washer
32 88433 1 Top Wrapper 67 40976 2 M8-1.25 x 20 Capscrew
33 70185 1 Oil Filter [optional] 68 87266 1 Engine Starter Motor
34 72347 1 Spark Plug [Champion 12YC] 69 91222B 1 Fiywheel and Ring Gear Assm
High Pressure Washer
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Generac 12000CP Industrial High Pressure Washer
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High Pressure Washer
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High Pressure Washer
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Se Generac 12000CP Industrial High Pressure Washer
9
LIMITED PRESSURE WASHER WARRANTIES (includes “Master Contractor”)
ENERAC warrants to the original retail purchaser, the pressure washer manufactured by GENERAC to be free from defects in material a
> workmanship for the period(s) set forth below from the date of original purchase. This warranty is not transferable. The term original pur
chaser” means the person for whom the pressure washer is originally purchased.
Warranty Schedules
Electric Power Washer 1 year (does not apply to commercial or rental operations)
CONSUMER" COMMERCIAL"
Generac GN-Series Engine-driven Engine: 2 years 1 year
Power Washer (2nd year parts only)
Pump: 1 year 90 days
All Other Engine-driven Engine: Warranted solely by Warranted solely by
Power Washers Engine Manufacturer Engine Manufacturer
Pump: + 1 уеаг 90 days
* NOTE: For the purpose of this warranty “consumer use” means personal residential household use by original purchaser.
“Commercial Use” means all other uses, including rental, construction, commercial and income producing purposes. Once
a pressure washer has experienced commercial use, it shall thereafter be considered a commercial use pressure washer for
the purposes of this warranty.
During said warranty period, GENERAC will, at its option, repair or replace any part which, upon examination by GENERAC or GEN-
ERAC Authorized Dealers, is found to be defective under normal use and service™. All transportation costs under warranty, including
return to the factory if necessary, are to be borne by the purchaser and prepaid by the purchaser.
** NORMAL WEAR: As with all mechanical devices, the GN-Series engines need periodic parts service and replacement to
peform well. This warranty will not cover repair when normal use has exhausted the life of a part or an engine.
THIS WARRANTY DOES NOT INCLUDE: Used products and demonstration equipment. Parts such as GUNS, HOSES, WANDS, NOZ-
ZLES or other wear items such as quick couplers, oil, gauges, belts, O-rings, filters, pump packing, etc. Pumps which have been run
without water supplied. Damage or malfunctions resulting from: accidents, abuse, modifications, alterations, or improper servicing. Freez-
ing or chemical deterioration. Normal maintenance such as adjustments, fuel system cleaning and obstruction (due to chemical, dirt,
carbon or lime, etc.).
THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, SPECIFICALLY, GENERAC MAKES NO
OTHER WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. The duration of any implied war-
ranties which cannot be disclaimed is limited to the time period as specified in the express warranty. LIABILITY FOR CONSEQUENTIAL,
INCIDENTAL, OR SPECIAL DAMAGES UNDER ANY AND ALL WARRANTIES IS EXCLUDED, EVEN IF SUCH DAMAGES ARE A
DIRECT RESULT OF GENERAC's NEGLIGENCE. Some states do not allow limitations on how long an implied warranty lasts, or the
exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This war-
ranty gives you specific legal rights and you may also have other rights, which vary from state to state.
For service, see your nearest GENERAC authorized warranty service facility or call 1-800-333-1322. Warranty service can be performed
only by a GENERAC authorized service facility. This warranty will not apply to service at any other facility. At the time of requesting war-
ranty service, evidence of original purchase date must be presented.
GENERAC CORPORATION P.O. Box 8 Waukesha, WI 53187
TELEPHONE: (414) 544-4811 FAX: (414) 544-4851

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