GENERAL INFO:
33
Problem Probable Cause Solution
Pump pulsates
1. Nozzle obstructed.
2. Air in the system
1. Clean Nozzle (See
Maintenance)
2. Squeeze trigger to
remove air.
Petrol
• Use fresh high quality unleaded petrol
(minimum 87 octane)
Oil
• Pump oil: Use only 30 Weight Non detergent oil.
• Engine oil: Use only 10W 30.
Water
• Use only cold water.
• Do not operate waterblaster with clogged or missing
water filter screen.
• Do not operate waterblaster without adequate
water supply to pressure pump. Adequate water
supply is a minimum of 50 PSI @ 20 LPM.
Pressure Adjustment
• Pressure setting is preset at factory.
• For lowering pressure, refer operation section of
this manual.
Pump
• Squeeze spray gun trigger every 3 minutes while
engine is running.
• Do not allow water to freeze in pump.
By-Pass Mode
• Never leave unit running for more than 3 minutes
without squeezing spray gun trigger. Doing so
could damage pump and void warranty.
Thermal Relief Valve
• Pump is equipped with a thermal relief valve. If
water overheats, this valve opens releasing gush
of water. Afterwards, the valve closes returning
pump to normal operation.
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