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97-6132, 97-6151 • REV. 11/04
OPERATOR’S MANUAL
PRESSURE WASHER
14
97-6132, 97-6151 • REV. 11/04
15
PRESSURE WASHER Troubleshooting Guide
Fuel Pressure Adjustment:
To adjust fuel pressure, turn the adjusting screw clock-
wise to increase, counterclockwise to decrease. Do not
exceed 200 psi. NOTE: When changing the fuel pump,
a bypass plug must be installed in the return port or the
fuel pump will not prime.
Removal of Soot and Heating Coil:
In the heating process, fuel residue in the form of soot
deposits may develop on the heating coil and block air
ow which will affect burner combustion. When soot
has been detected on visual observation, the soot
on the coil must be washed off after following the coil
removal steps.
1. Remove the tank head assembly by lifting the tank
head off.
2. Remove the two pipe nipples and associated t-
tings.
3. Lift the coil out of the outer wrap.
CAUTION: The coil weighs about 80 lbs. Use proper
lifting techniques.
4. Clean, repair and replace the coil by reversing the
above steps.
Coil Reinstallation:
Reinstall by reversing the above steps 4 through 1.
Final Note:
The 12 VDC burner systems can draw as much as 18
amps! For such burners to run properly, the battery and
engine charging system must be kept in good condition.
The engine must run at the correct RPM to adequately
charge the battery. It is equally important not to throttle
down the engine on models without batteries, since all
power to run the burner comes solely from the engine.
Do not throttle down the engine at anytime while the
machine is operating.
MAINTENANCE