PUMP Maintenance Chart*

 

 

 

 

Hours of operation

 

 

 

Before

After

 

 

 

 

 

 

Maintenance Type

After Initial 50

Weekly /

100

150

200

Use

Use

 

hr. Break-in

 

 

 

 

 

10 hr.

hr.

hr.

hr.

 

 

 

Period

 

 

 

 

 

 

 

 

 

Inspect tool for damage

X

 

 

 

 

 

 

 

 

 

Wipe off with clean, moist cloth

X

X

X

 

 

 

 

 

 

 

Clean Filters, Check for Pump Oil

 

X

X

and Water Leaks

 

Pump Oil Change

 

X

X

 

 

 

 

 

 

 

Seal change and regulator/

 

 

X 

unloader/relief valve maintenance

 

 

Valve Change

 

 

X

 

 

 

*Note: This maintenance Chart is intended solely as a general guide. If performance decreases, check systems immediately. The maintenance needs of each pump will differ depending on factors such as duty cycle, temperature, cleanness of pumped liquid, and inlet feed conditions.

Many maintenance procedures will need to be performed by a qualified technician.

Troubleshooting

Symptom

 

Possible Cause

 

Solution

Engine will not

1.

Gas tank empty

1.

Fill gas tank

start

2.

Low oil level

2.

Add oil

 

3.

Choke is not in correct position

3.

Close choke

 

4.

Engine throttle set too low

4.

Increase throttle setting

 

5.

Pressure build up in pump

5.

Squeeze trigger to release pressure

Does not

1.

Diameter of water supply hose too

1.

Replace garden hose with a ¾ inch hose

produce high

 

small

2.

Check water supply hose for kinks, leaks,

pressure

2.

Water supply is restricted

 

or blockage

 

3.

Not enough water supply

3.

Open water faucet all the way

Output

1.

Not enough water supply

1.

Check water supply hose for kinks, leaks,

pressure varies

2.

Water inlet screen is clogged

 

or blockage. Open faucet all the way

 

3.

Nozzle is clogged

2.

Remove inlet screen and rinse out

 

4.

Nozzle has mineral build up

3.

Remove nozzle and clean

 

 

 

4.

Remove nozzle and clean with vinegar

REV 07i

SKU 95619 For technical questions please call 1-800-444-3353

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Harbor Freight Tools 95619 manual Troubleshooting, Symptom Possible Cause Solution