Komatsu PC450-8 Operation & Maintenance Manual page 406

SUPER LONG FRONT BOOM AND ARM
MAINTENANCE
SPECIAL SERVICE REQUIREMENTS FOR SUPER LONG FRONT WORK EQUIPMENT
When working in water or in wet sand, use molybdenum lubricant (LM-P) for the grease.
NEVER slew the upper structure of a Super Long Front machine if the boom and arm have ben removed.
In addition to the standard service schedule, described in the main machine manual, the following servicing should
be carried out:
SERVICE ITEM
EVERY 50 HOURS SERVICE
LUBRICATING
1. Arm-Link coupling pin (1 point)
2. Arm-Bucket coupling pin (1 point)
3. Link coupling pin (2 points)
4. Bucket cylinder rod end (1 point)
5. Bucket-Link coupling pin (1 point)
CHECK EVERY 100 HOURS SERVICE
LUBRICATING
1. Arm cylinder foot pin (1 point)
2. Boom-Arm coupling pin (1 point)
3. Arm cylinder rod end (1 point)
4. Bucket cylinder foot pin (1 point)
5. Arm-link coupling pin (1 point)
6. Arm-bucket coupling pin (1 point)
7. Link coupling pin (2 points)
8. Bucket cylinder rod end (1 point)
9. Bucket-Link coupling pin (1 point)
6-46
ATTACHMENTS ANDD OPTIONS
CAUTION
WARNING
6
6
Page
6-47
6-47
6-47
6-47
6-47
6-48
6-48
6-48
6-49
6-49
6-49
6-49
6-49
6-49