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38)
38)
MAINTENANCE OF WORK EQUIPMENT
MAINTENANCE OF WORK EQUIPMENT
(1)
Lubricate to each pin of working device.
Lubricate the grease to grease nipple in accor-
dance with lubrication intervals.
No.
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 lubricating interval when working in
Shorten lubricating interval when working in
the water or dusty place.
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.
(4)
Dust seal are mounted on the rotating part of
working device to extend the lubricating interval.
※
Mount the lip to be faced out side when
Mount the lip to be faced out side when
replace the dust seal.
replace the dust seal.
※
If it is assembled in wrong direction, it will
If it is assembled in wrong direction, it will
cause fast wear of pin and bushing, and cre-
cause fast wear of pin and bushing, and cre-
ate noise and vibration during operation.
ate noise and vibration during operation.
※
Make sure the seals are not damaged or
Make sure the seals are not damaged or
deformed.
deformed.
Description
Qty
1
1
1
J
1
1
2
1
1
1
2
2
Outside
6-52
D
A
C
LH side
B,E
F
H
G
I
K
740F6MI30
740F6MI47
73036MI26
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