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Trouble Shooting
Trouble
Cause
Shooting
Table does not
raise
1.
There is no oil
in the
reservoir
2.
Lowering Valve
(16) or Steel
Ball (30) or
Spring (31) is
not seating
Replenish the
reservoir
Table does not
remain elevated
Lowering Valve (16)
or Steel Ball (30) is
not sealing
Flush the Lowering
Valve or Steel Balls.
Or replace them
with a new one.
Table does not
lower
U Packing (71) is worn
out or Lowering Valve
(16) is not opened
Replace U packing
(8) with a new one.
Check the function
of Lowering Rod (8
or 6). Fix or replace
with a new one
Oil is leaking for
Lowering Valve
O Ring (14) is worn
out
Replace O ring with a
new one
Oil is leaking from
Cylinder
Oil seal (34) or U
packing (71) is worn
out
Replace the O sea or
the U packing with a
new one.
