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Danger, Caution, Operating instructions – John Deere WASHERS AC-3500GHH User Manual

Page 14

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14

John Deere Operator's Manual

DANGER

RISK OF INJECTION CAUSING

SEVERE INJURY!

-KEEP CLEAR OF NOZZLE! NEVER

PLACE HAND OR FINGERS IN

FRONT OF NOZZLE!

-DO NOT DIRECT DISCHARGE

STREAM AT PEOPLE OR PETS!

CAUTION

RISK OF DAMAGE.

DO NOT ALLOW SPRAY PATTERN

TO REMAIN ON A FIXED AREA

FOR AN EXTENDED PERIOD OF

TIME. POSSIBLE DAMAGE MAY

OCCUR TO THE AREA.

OPERATING INSTRUCTIONS

PRIMING THE PUMP:
It is essential to prime the pump and flush the unit each time the water supply

has been disconnected from the unit OR whenever the unit has set for any

period of time. This unit has a steel coil which, after setting, will cause the

water remaining in the coil from the previous usage to turn brown or black.

This contaminated water must be flushed from the system before start-up. This

procedure should be performed

without the high pressure hose, gun and dual

lance assembly installed.
DIRECT FEED: All units.

1. Turn on the water supply.
2. Low pressure water will begin flowing from the water outlet. This allows the

unit to prime and purge any air from the system. The unit is primed when

water flow is uninterrupted by air.

3. Once the unit is primed, turn off the water supply and connect the high

pressure discharge hose to the water outlet of the unit. (Note: The trigger

gun and dual lance assembly should already be connected to the high

pressure discharge hose at this time.)

4. Turn on the water supply.
SUCTION FEED: These models have the ability to draw water from a static source

and can provide a suction lift of 5' with a 3/4" inlet hose. We recommend

the following for suction feed.

1. Immerse a 3/4" x 5' long inlet hose into the water supply.
2. Start the engine following the start up procedures given in the engine manual

accompanying this unit.

3. Adjust the engine to a low speed until you see water exiting the water

outlet.

NOTE: This may take up to 3-5 minutes. Adjust the engine throttle back to

full RPM.

4. Once the unit is primed, stop the engine and connect the high pressure

discharge hose to the water outlet of the unit.

NOTE: The trigger gun and dual lance assembly should already be connected

to the high pressure discharge hose at this time.

START-UP/COLD WATER OPERATION:
1. Refer to the "Safety Precautions" pgs. 4-7 before starting the unit.
2. Locate the Safety Decals on your unit and heed their warnings.
3. Ensure the burner switch is in the "OFF" position.
4. Pointing the trigger gun in a safe direction, unlock the trigger gun and squeeze

the trigger. Hold the trigger gun open while starting the engine according

to the manufacture's instructions in the engine manual accompanying this

unit.

5. Once the engine has started, ensure the engine throttle is adjusted to full

RPM and perform the following procedures with the trigger gun open:

a. Inspect for system water leaks, oil leaks and fuel leaks. If a fuel

leak is found, TURN UNIT OFF IMMEDIATELY! See "Risk of Fire",

pg. 4. Be sure that all damaged parts are replaced and that the

mechanical problems are corrected prior to operation of the unit. If you

require service, contact Customer Service.

b. Inspect high pressure hoses for kinking, cuts and leaks. If a cut or

leak is found, DO NOT TOUCH HOSE AT LEAK!!! TURN UNIT OFF

IMMEDIATELY! Replace hose before starting the unit. See "Risk of

Injection", pg. 5. Be sure that all damaged parts are replaced and that

the mechanical problems are corrected prior to operation of the unit. If

you require service, contact Customer Service.

6. At this point, the unit is operating as a cold water pressure washer. Trigger

the gun several times and try adjusting the water pressure. NEVER place

hand or fingers in front of the nozzle or look directly into the nozzle! High

pressure water creates a risk of severe injury!

7. Do not allow unit to operate in bypass mode (with trigger closed) for more

than three minutes without triggering the gun. Failure to follow this simple

rule can cause premature failure of pump packings, resulting in costly pump

repair.

8. Your pressure washer can deliver high pressure spray and a variety of spray

patterns using cold water. If you wish to use the Hot Water application or

Cleaning with Detergents, see page 17 for the correct procedures.

CAUTION

RISK OF UNIT DAMAGE.

BE CERTAIN THE HOSE, GUN

& DUAL LANCE ASSY. ARE

NOT CONNECTED TO THE

UNIT WHILE PRIMING THE

PUMP. PRIMING ALLOWS

MINERAL DEPOSITS TO BE

RELEASED FROM THE SYSTEM

WHICH WOULD OBSTRUCT

OR DAMAGE THE GUN AND

NOZZLE ASSEMBLY RESULTING

IN COSTLY REPAIRS.

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