Autojack TJ250, Safety And Operating Manual

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TJ250 08
Problem Possible Cause Remedy
Jack lifts but will not hol d load.
1) Release valve partially
open.
2) Dirt on valve seats.
3) Air in system.
4) Faulty seals.
5) Packing worn or
defective.
1) Check and close release
valve.
2) Lower jack, close release
valve. Place foot on front wheel
and pull up lifting arm to its full
height by hand. Open the
release valve to lower arm.
3) Open release valve and pump
the handle a few times. Close
valve and re-try.
4) Replace packing or contact
local service agent.
5) Replace packing.
Jack will not lower completely. 1) Unit requires lubrication
2) Piston rod bent or damaged
3) Jack frame/link system
distorted due to
overloading/poor positioning
4) Air in system
5) Release valve partially closed
6) Jack spring damaged or
unhooked.
1) Oil all external moving parts.
2) Replace rod or contact local
service agent.
3) Replace damaged parts or
contact local service agent.
4) Open release valve and pump
the handle a few times. Close
valve and re-try.
5) Check and fully open release
valve.
6) Replace spring or contact
local service agent.
Jack does not lower at all. 1) Release valve closed. 1) Check and fully open
release valve.
TROUBLESHOOTING