OPTIONAL ATTACHMENTS AND DEVICES
13-12
MAINTENANCE
Refer to the Greasing Front Joint Pins pages in the
MAINTENANCE section.
Boom Foot, Boom Cylinder Bottom Side, Arm Cylinder
Rod Side, and Bucket Cylinder Bottom Side Pins:
Refer to the Greasing Front Joint Pins pages in the
MAINTENANCE section.
Offset Front Attachment Joint Pins
--- every 50 hours
Add greasing to all illustrated grease fittings.
Retightening EX Pin.
The EX pin is tightened with a screw. The pin will
unavoidably become loose due to permanent set of the
parts fastened with the screw during initial operation. Be
sure to retighten the pin one time within the first 5 to 20
hours after starting operation to the same tightening torque
as specified.
Cylinder Stay and Upper Boom Joint Pin (1)
Tool : 55 mm
Torque : 1050 N·m (105 kgf·m)
Upper Boom and Lower Boom Joint Pin (2)
Tool : 55 mm
Torque : 1050 N·m (105 kgf·m)
Boom Cylinder Bottom Side and Frame Joint Pin (3)
Tool : 36 mm
Torque : 450 N·m (45 kgf·m)
M152-07-049
M1CC-13-19
M1CC13-20
M1CC-13-21
EX Pin for Boom Cylinder
EX Pin for Front
1
2
3
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