Models: 02-1040C0111 & 02A1040C0111
10 Ton (8.93 Metric Ton) Single Stage Jack
12/2020 | Rev. 02
Page | 8
9.0
TROUBLE SHOOTING
TROUBLE
PROBABLE CAUSE
ACTION
Fluid leakage at pump piston
or pump body
Damaged backup ring, o-ring, piston or pump
body
Replace pump
External fluid leakage at
ram(s)
Damaged o-ring, backup ring or inner cylinder
wall
Remove ram(s) as a unit from cylinder.
Inspect parts. Replace o-ring and
defective part(s)
Jack fails to lift rated load
Release valve not closed properly
Fully tighten release valve
Low fluid level
Fill to correct fluid level
Pressure relief valve improperly adjusted
Adjust or replace release valve
Leakage at inlet or outlet check ball
Inspect valve body for wear or replace
valve body and check balls
Vent screw closed
Open vent screw
Ram(s) will not support load
after manual or pneumatic
pump up
Leaking ram o-ring seals
Check for external leakage, if present
replace defective seal and back up ring
Leaking pressure check valve
Inspect valve body for wear or replace
valve body and check balls
Leaking pressure relief valve
Remove release valve, inspect ball and
ball seat in pump block. Replace effective
part(s)
Ram(s) raise and fall with
each manual pump stroke
Release valve open
Fully tighten release valve
Inlet check valve not seated or sticking
Pump rapidly to dislodge or replace valve
body
Pressure check valve not seated or sticking
Pump rapidly to dislodge or replace valve
body
Jack fails to lower
Ram locknut not loosened
Raise jack ¼ inch and release locknut
Vent screw closed
Open vent screw
O-Ring (pinched or rolled)
Replace o-ring and back-up ring, clean up
cylinder wall of debris
Содержание 02-1040C0111
Страница 19: ...APPENDIX I Hydraulic Schematic...
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Страница 21: ...02 1040C0111 Hydraulic Schematic...
Страница 22: ...02 1040C0111 Hydraulic Schematic...
Страница 23: ...APPENDIX II Haskel Manufacturer Data...
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Страница 51: ...APPENDIX III Safety Data Sheet SDS MIL PRF 5606 Hydraulic Fluid...
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Страница 65: ...APPENDIX IV Declaration of Conformity...
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Страница 68: ...APPENDIX V Maintenance Schedule...
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