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Appendix 1 - Troubleshooting
PROBLEM
CAUSE AND SOLUTION
UHP Pump & High Pressure System
High pressure and/or charge pressure gaug
-
es fluctuating or pulsing.
•
Auxiliary engine speed is too low and hydraulic
system is not turning the charge pump at proper
RPM. Raise engine speed to operating RPM.
•
Univalve may be pitted or cracked. Remove valve
and check seats for damage. Replace or rebuild.
• One or more UHP pump stuffing box seals are
leaking. Replace leaking seal.
Water dripping from high pressure hose
weep holes.
• Hose fitting loose or damaged. Tighten fitting
or replace hose and fittings.
Water dripping from fluid end manifold rect-
angular weep hole in manifold block.
•
Face seal is worn or damaged. Replace seal.
Water dripping from fluid end manifold round
weep hole on the top of the manifold block.
•
Univalve seals worn or damaged. Replace seals
or valves.
Water dripping from weep hole on thru-shaft
motor high pressure hose connection.
•
Swivel nut is loose. Hand tighten swivel nut.
•
Swivel seal is worn or damaged. Remove and
replace worn or damaged seal.
•
Cracked swivel or thru-shaft. Remove and
inspect shaft assembly. Replace damaged or
cracked components.
Low charge water pressure. (30 PSI/2 BAR
or less).
•
Auxiliary engine speed is too low and hydraulic
system is not turning the charge pump at proper
RPM. Raise engine speed to operating RPM.
•
Charge water pump is not activated or supply
valve is closed. Open supply valve or activate
charge water pump.
• Dirty clean water filters. Change filter bag and
cartridge.
•
Clean water tank is empty. Fill tank with water.
•
Clogged impeller on pump. Disassemble pump
and clean or replace impeller.
•
There is an air leak in the suction hose. Find
and repair leak.
•
Debris in water hose from tank. Flush or replace
intake water hose.
Summary of Contents for SK5500
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Page 135: ...135 Section 5 Scheduled Maintenance Hog Technologies...
Page 141: ...141 Appendix 2 Tools Spare Parts...
Page 142: ...142 Appendix 2 Tools Spare Parts...
Page 143: ...143 Appendix 3 Daily Report Pre Op Checklist 1 877 HOG ROAD WWW STRIPEHOGSUPPORT COM...
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