Product Manual

Page 19 of 23
Maintenance Interval
Maintenance Point
Yearly maintenance
1. Follow all monthly maintenance procedures.
2. Check for deformed, cracked, or corroded parts, replace
them as needed.
3. Make sure all the parts as bolts,nuts,pins, or rivets are fixed
well.
4. Check for other worn, cracked, or distorted parts such as
pins, bearings, wheels, shafts, gears, rollers, locking and
clamping devices, bumpers, and stops.
Troubleshooting
⚠WARNING
 TO PREVENT SERIOUS INJURY FROM CRANE FAILURE:Do not use damaged equipment.If
any defect or damage is noted,have the problem corrected before further use.
 Repair or replacement of crane components must be performed only by a qualified technician
using only identical replacement parts with the same rating.
Failure
Possible Cause
Corrective Action
Cannot adjust the
I-beam height
Remove R-pins from height pins
Remove R-pins from height pins
The cable outside of pulley
Place the cable inside pulley
The gear wheel stuck in winch box
Replace the winch box
Post insert can’t
decline to the
lowest hole
height
The lifting tube’s end of post insert
cannot insert completely to the base’s
sleeve
Put the liftingtube into the base’s
sleeve
Crane won’t
move flexibly
The caster broke or is stuck
Loosen the brake or replace the caster
Post sides-are
not level
Two sides cable wind in the same
diameter
Attach one side’s R-pin, loosen the rod,
and then adjust another side’s height
by changing the cable tightness, to
keep the rod in the same level, and
then insert R-pin.