Simpson Cleaning CM60973 USE AND CARE MANUAL

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A pressure washer pump is designed to operate with water owing through it. Water

lubricates and cools the internal components of the pump. Running a pressure washer pump

without water will severely damage the pump seals and other internal components. Damage

caused by running a pressure washer pump without water is not covered under warranty.

Be sure to follow the instructions below to correctly purge the air from your pressure washer

pump before starting the engine.

PURGING AIR FROM THE PUMP

NOTICE

Running a pressure washer pump without water will severely damage the pump seals

and other internal components. To avoid this hazard, make sure your water supply is

uninterrupted and at least 5 GPM at 20 PSI, and always purge the air your pressure

washer pump before starting the engine.

PUMP PURGING

WARNING:

The high pressures created by a pressure washer can cause uid injection injuries,

severe lacerations, amputations, and / or death. To avoid these hazards, always aim

the spray gun and lance in a safe direction when using the pressure washer and never

attempttotouchaleakinahigh-pressurehoseortting.

INJECTION INJURY

1. Connect all the hoses by following the steps outlined in the CONNECTING HOSES

section of this manual then turn on the cold water source.

2. Aimthesprayguninasafedirectionthensqueezeandholdthetriggerforatleast30

seconds or until the water runs steady and all the air is purged from the pump and hoses.

3. Checkhosesandconnectionsforleaks.Ifleaksarefound,turno�the machine, aim

thesprayguninasafedirectionandsqueezethetriggertorelieveanybuiltuppressure

inthesystem. Neverattempttotouchaleakinahigh-pressurehoseor tting.Never

attempt to repair a high-pressure hose.

Engage the trigger lock.4.

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Simpson Cleaning CM60973 Clean Machine