Product Manual

3. A piece of debris may be caught in the injector valve, injector ball valve, or orifice. Disassemble

and clean the injector.

4. If you have an adjustable nozzle, be sure it is in the low pressure position (away form the gun)

to draw soap.

User maintenance procedures include replacing valves and seals. Unloader components are not user

serviceable. Repairs involving unloaders and crankcase components should be referred to the factory or

a factory authorized repair center.

Notice

TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION

LOW OPERATING Faulty pressure gauge Install new gauge

Insufficient water supply Use larger supply hose;

clean filter at water inlet

Old, worn or incorrect Match nozzle number of

machine and/or replace with

new nozzle

Belt slippage Tighten or replace;

use correct belt.

Plumbing or hose leak Check plumbing system for

leaks. Retape leaks with

teflon tape.

Faulty or misadjusted Adjust unloader for proper

pressure. Install repair kit

or replace when needed.

Worn packing in pump Install new packing kit

Fouled or dirty inlet or Clean inlet and discharge

valves.

Worn inlet or discharge valves Replace with valve kit.

Obstruction in spray nozzle Remove obstruction.

Leaking pressure control valve Rebuild or replace as needed.

Slow engine RPM Set engine speed at proper

specifications.

Pump sucking air Check water supply and

possibility of air seepage.

PRESSURE

spray nozzle

unloader valve

discharge valves in pump