Page
37
of
54
TROUBLESHOOTING
TROUBLE SHOOTING GUIDE
PROBLEM
CAUSE
REMEDY
Pump does not reach the
specified pressures
Pump sucking air
Restore the tightness of the intake line
Intake flow rate insufficient
Increase the size of the intake pipelines
Remove and kinks from the pipes
Increase the filter capacity or clean the
filter cartridge
Increase the RPM to the rated speed
Worn intake and delivery valves
Replace the valves (1)
By-pass valve seat worn
Replace the valve
Worn gaskets
Replace the gaskets (1)
Unsuitable, worn nozzle
Replace nozzle
Faulty Gauge
Check and Replace
Irregular variations in
pressure
Worn intake and delivery valves
Replace the valves (1)
Valves blocked by dirt
Clean the valves (1)
Air being sucked into system
Restore the tightness of the intake
pipeline connections
Worn gaskets
Replace the gaskets (1)
Fluctuating pressure
Valves worn
Check and replace
Valves blocked
Check and replace
Pump sucking air
Check water supply and air ingress at
joints in suction line
Worn piston packing
Check and replace
Pressure drop
Nozzle worn
Replace Nozzle
Worn intake and delivery valves
Replace the valves (1)
Valves blocked by dirt
Clean the valves (1)
By-pass valve seat worn
Replace the valve
Worn gaskets
Replace the gaskets (1)
Pump noisy
Air being sucked into system
Restore the tightness of the intake
pipeline connections
intake and/or delivery valve
springs broken or collapsed
Replace the valves (1)
Valves blocked by dirt
Clean the valves (1)
Worn bearings
Replace the bearings (1)
Intake liquid temperature too high Reduce liquid temperature
Pump overheating
High pump operating pressure
Reduce the pressure to the rated values
Not enough water flowing
through
Check water inflow through pump
Pump left on idle for too long
DO NOT LEAVE PUMP ON IDLE FOR
>2min VOIDS WARRANTY
Содержание DPW-2500
Страница 1: ...DUAL PRESSURE WASHER DPW 2500 DPW 2500 0AHA DPW 2500 0AHU OPERATOR S MANUAL REV 13 Date 04 15 ...
Страница 10: ...Page 10 of 54 SAFETY DECALS MODEL DPW 2500 ...
Страница 12: ...Page 12 of 54 OVERALL MACHINE DIMENSIONS ...
Страница 15: ...Page 15 of 54 CONTROLS AND FEATURES MODEL DPW 2500 ...
Страница 51: ...Page 49 of 54 APPENDIX E PUMP PARTS BREAK DOWN MODEL DPW 2500 ...
Страница 52: ...Page 50 of 54 ...
Страница 53: ...Page 51 of 54 APPENDIX F ROTARY CLEANER EXPLODED PARTS ...
Страница 54: ...Page 52 of 54 ...
Страница 55: ...APPENDIX G RISK ASSESSMENT ...
Страница 56: ...Page 54 of 54 ...