Troubleshooting - ATD Tools ATD-7343 Owner's Manual

TROUBLESHOOTING:

CAUTION:
To prevent personal injury, all inspec on, maintenance, and repair procedures must be performed when
the jack is free of load.
Trouble
Jack Does Not Li
Jack li s only
Jack advances slowly
Jack li s load, but doesn't
hold
Jack leaks hydraulic uid
Jack will not retract
NOTE:
Should you need assistance with parts, service or warranty, please contact your distributor
or point of sale.
1. Release valve is open
2. Low/no hydraulic uid in
reservoir
3. Air trapped in hydraulic
system
4. Load is above capacity of jack
5. Delivery valve and/or bypass
valve not working correctly
6. Seals worn or defec ve
1. Too much or not enough
ally
hydraulic uid
1. Pump not working correctly
2. Seals leaking
1. Cylinder packing is leaking
2. Valve not working correctly.
(Suc on, delivery, release or
bypass)
3. Air trapped in hydraulic
system
1. Worn or damaged seals
1. Release valve is closed
Cause
1. Verify the release valve is
2. Fill with approved hydraulic
3. Follow the purge air
4. Use the correct equipment
5. Clean to remove dirt or
6. Replace seals
1. Check hydraulic uid level
1. Rework pump
2. Replace seals/O-rings
1. Replace packing
2. Inspect valves. Replace if
3. Follow the purge air
1. Replace seals
1. Open the release valve by
Solu on
closed. Release valve may
need cleaning
uid and bleed system
procedure
foreign objects from the
system. Replace hydraulic
uid
necessary
procedure
turning the handle
counter-clockwise (CCW).
Maybe necessary to clean
release valve