100
Chain and
chain wheel
Check the chain tension
state, whether deformation,
corrosion damage
√
√
√
√
√
Fuel chain
√
√
√
Rivet pin and loose
conditions
√
√
√
Chain wheel deformation,
damage
√
√
√
If Bearings of chain wheel
loosen
√
√
√
Attachment Check whether in normal
state
√
√
√
Lifting and
tilt cylinder
Whether Piston rod,
piston rod thread and the
connection is loose,
deformation, damage
√
√
√
√
√
Operating conditions
√
√
√
√
√
Leakage
√
√
√
√
√
abrading and damaging
status of pin and oil cylinder
√
√
√
Fork
Damage,deformation,wear of
fork
√
√
√
Damage,deformation,wear of
allocation pin
√
√
cracking and abrading status
in hooker welding of fork root
√
√
√
Mast fork
frame
welding between inner
mast,outer mast and beam is
cracking or damaged or not
√
√
√
Tilt cylinder bracket and the
door frame weld whether
cracking, damage
√
√
√
Inner frame, outer frame
weld whether cracking,
damage
√
√
√
Fork frame weld whether
cracking, damage
√
√
√
wheel loosen
√
√
√
Mast bearing wear, damage
√
Mast bearing cap bolts
whether loose
√
√
Whether Lift cylinder rod bolt
head, bending plate bolts
loose
√
√
cracking,damaging status of
welding of roller and roller
shaft
√
√
√
（
10
）
Else
Maintena-
nce item
Maintenance item
Tools
Every-
day
Every
week
Every
month
Three
months
Six
months
Summary of Contents for FE4P50N
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