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Clean the contacted surface.
If the contacted face of bucket
tooth has worn out, repair the con-
tacted face of it.
Install a new bucket tooth on the bucket,
and tighten the bolts and nuts.
• Tightening torque:
62.8 ±9.4 kgf•m
(454 ± 68 lbf•ft)
After a few hours of operation, retighten
bolts.
41) MAINTENANCE OF WORK EQUIPMENT
(1) Lubricate to each pin of working device.
Lubricate the grease to grease nipple in accord-
ance with lubrication intervals.
No.
Description
A
Bucket cylinder (Front frame side) pin
B
Boom cylinder (Front frame side) right pin
C
Boom-front frame right connection pin
D
Boom-front frame left connection pin
E
Boom cylinder (Front frame side) left pin
F
Boom cylinder-boom connection pin
G
Bucket cylinder-bell crank connection pin
H
Boom-bell crank connection pin
I
Bell crank-bucket link connection pin
J
Bucket-Bucket link connection pin
K
Bucket-boom connection pin
Shorten the lubricating interval when
working in the water or dusty place.
(2) Check for wear and tear of work equipment pins
and bushings.
(3) Check for damage of boom and bell crank.
Qty
1
1
1
1
1
2
1
1
1
2
2
6-51
LH side
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