Product manual

Page 9For technical questions, please call 1-800-444-3353.Item 60732
Troubleshooting
TO PREVENT SERIOUS INJURY: Use caution when troubleshooting malfunctioning
Crane. Stay clear of supported load. Completely resolve all problems before use.
If solutions presented in Troubleshooting guide do not solve the problem, have a qualified technician inspect and
repair Crane before use. After Crane is repaired: Test it carefully without a load by raising and lowering it fully,
checking for proper operation, BEFORE RETURNING CRANE TO OPERATION.
DO NOT USE A DAMAGED OR
MALFUNCTIONING CRANE!
POSSIBLE SYMPTOMS
PROBABLE SOLUTION
(Make certain that the Crane
is not supporting a load while
attempting a solution.)
Ram
will not
lift at its
weight
capacity
Hook
lowers
under
load
Pump
stroke
feels
spongy
Hook
will
not lift
all the
way
Handle
moves up
when Ram is
under load
Oil leaking
from Fill
Plug
X X
Check that Release Valve is closed
fully.
Bleed air from the system.
X X X
Valve may be blocked and may not
close fully. To flush the valve:
1. Lower the Boom and securely
close the Release Valve.
2. Manually lift the Boom
several inches.
3. Open the Release Valve
and force the Boom down
as quickly as possible.
X X X
Ram may be low on oil. Check
the oil level and refill if needed.
Ram may require bleeding - see
Bleeding Instructions on page 6.
X
Unit may have too much
hydraulic oil inside; check fluid
level and adjust if needed.
SAFETYOPERATIONMAINTENANCE SETUP