93
TwinForce™ Series Waterblast Unit
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
REMEDY
High discharge
pressure
Nozzle too small
Replace nozzle
Restriction in hose or lance
Test hose/lance without nozzle
Inaccurate pressure gauge
Replace gauge
Low discharge
pressure
Nozzle too large
Replace nozzle
Nozzle worn
Replace nozzle
Insufficient water tank level
Fill tank, unplug vent
Inaccurate pressure gauge
Replace gauge
Belts slipping
Increase belt tension
Leaking or sticking pump valves
Service or replace valves
Worn pump plunger packing
Replace packing
Leaking control gun, hose, fitting
Repair or replace
Dirty filter bag
Replace filter bag
Excessive pulsation in
pump discharge
Low water tank level
Fill tank, unplug vent
Leaking pump valves
Repair or replace valves
Broken pump valve springs
Replace springs
Worn pump plunger packing
Replace packing
Belts slipping
Increase belt tension
Dirty filter bag
Replace filter bag
Vibration in unit
Pump pulsating excessively
See Excessive pulsation above
High pump packing
gland temperature
Insufficient packing lube water flow
Increase lube hose pressure
Clean guide bushing holes
Water too hot
125°F max
Pump noise
Low lubricant level
Fill with lubricant
Pump cavitation
See “Excessive pulsation in pump
discharge” above
Loose plunger clamps
Tighten plunger clamps
Worn bearings
Replace bearings
Worn crosshead(s)
Replace crosshead(s)/repair
crosshead
Excessive crankshaft end play
Adjust endplay
Leakage from pump
manifold leakage holes Damaged valve seal
Replace seal
Leakage from
hydraulic throttle
control
Damaged piston seal
Replace seal
Содержание TwinForce Series
Страница 1: ...OPERATION MANUAL TwinForce Series Waterblast Unit...
Страница 2: ...Visual Safety System...
Страница 11: ...3 TwinForce Series Waterblast Unit...
Страница 22: ...14 Operation Manual...
Страница 42: ...34 Operation Manual...
Страница 48: ...40 Operation Manual...
Страница 52: ...44 Operation Manual...
Страница 100: ...92 Operation Manual...
Страница 104: ...96 Operation Manual...
Страница 106: ...A 2 Appendix A Technical Specifications...
Страница 107: ...B 1 TwinForce Series Waterblast Unit APPENDIX B LONG TERM STORAGE PROCEDURE...
Страница 108: ...B 2 Appendix B Long Term Storage Procedure...