58
Fork root hook welded
part
crack
or
wear
condition.
○
○
○
○
Mast,
fork
carriage
If
the
welded
part
between Inner and outer
mast and beam has
crack or damage.
○
○
○
○
If
the
welded
part
between mast and tilting
cylinder
has
bad
welding,
crack
or
damage.
○
○
○
○
If inner or outer masts
have bad welding, crack
or damage.
○
○
○
○
If fork carriage bad
welding,
crack
or
damage.
○
○
○
○
If roller loosens.
○
○
○
○
Mast supporting bear
wear or damage.
○
If mast supporting bolts
loosen.
Test
hammer
○
（
first
time
）
○
○
○
If lifting cylinder bottom
bolt, piston head bolt,
U-type bolt and walking
beam guide bolt loosen.
Test
hammer
○
（
first
time
）
○
○
○
Roller, roller shaft and
its welded part crack or
damage condition.
○
○
○
○
Safety device and attachment periodical maintenance schedule
Check
item
Service
required
Tools
Daily
(8 hrs)
Monthly
(166hrs)
3months
(500hrs)
Semi-annual
(1000hrs)
Annual
(2000hrs)
Overhead
guard and
load
bracket
If firmly installed
Test
hammer
○
○
○
○
○
Check
deformation,
crack
and
damage.
○
○
○
○
○
Rearview
mirror
Dirt and damage
condition
○
○
○
○
○
Rear-view
condition
○
○
○
○
○
Seat
Check
if
bolt
damage
or
loosen
○
○
