Komatsu PC118MR-8 Operation And Maintenance Manual page 344

Hydraulic
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MAINTENANCE PROCEDURES
POSITIONING BOOM LUBRICATION (if installed)
(1)
Arm-bucket coupling pin (1 point)
(2)
Fulcrum link pin (1 point)
(3)
Bucket cylinder base pin (1 point)
(4)
Boom-arm coupling pin (1 point)
(5)
Arm cylinder head pin (1 point)
(6)
Arm cylinder base pin (2 points)
(7)
Boom cylinder head pin and two-piece boom articultaion (3 points)
(8)
Two-piece boom cylinder head pin (1 point)
(9)
Two-piece boom cylinder base pin (1 point)
q Grease cartridge: See the spare parts catalogue.
4-58
WEAM014802
MAINTENANCE

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