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© Wilks-USA
TX750 / TX750i
Troubleshooting
Trouble
Probable Cause
Remedy
Fluctuating Pressure
Pump sucking in air
Check connections are tight
Valves dirty, worn or seized
Contact customer helpline
Blocked jet
Remove blockage using jet cleaning tool
Water leakage from pump
Seals worn out
Contact customer helpline
The pump does not reach the required
pressure
Pump sucking in air from connections
or hose
Check tightness of all connections
Suction/delivery valves are clogged
Clear or replace valves. Have machine
checked by Service Centre
Unload valves are stuck
Loosen and re-tighten regulating screw
Lance or nozzle worn out
Check and/or replace
Pump is running but no water delivery
Kinked inlet and or pressure hose
Check, straighten and replace if required
Blocked inlet filter
Remove and clean filter
Blocked jet
Remove blockage using jet cleaning tool