MAINTENANCE
7-30
Travel Reduction Gear
Check Oil Level --- every 500 hours
1. Park the machine on a level surface.
2. Rotate the travel motor until the imaginary line through
plug (1) and plug (3) is vertical.
3. Lower the bucket to the ground.
4. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
5. Run the engine at slow idle speed without load for five
minutes.
6. Stop the engine. Remove the key from the key switch.
7. Pull the pilot control shut-off lever to the LOCK position.
d
CAUTION: Keep body and face away from the air
release plug. Gear oil may be hot just after operation.
Wait for gear oil to cool and then gradually loosen the
air release plug to release pressure.
8. After gear oil has cooled, slowly loosen air release plug
(1) to release pressure.
9. Remove air release plug (1) and oil level check plug (2).
Oil must be up to the bottom of hole.
10. If necessary, add oil until oil flows out of oil level check
plug (2) hole. (See gear oil chart)
11. Wrap the plug threads with sealing-type tape. Install
plugs (1) and (2).
Tighten plugs (1) and (2) to 50 N·m (5 kgf·m).
12. Check the gear oil level in the other travel reduction
gear.
Air Release Plug 1
(Oil Supply Plug)
Horizontal Oil Level
Oil Level Check
Plug 2
Drain Plug 3
MDAA-07-047
2
1
M157-07-170
Summary of Contents for 090001
Page 4: ......
Page 9: ...CONTENTS Bucket Teeth Transverse Type Pin Used Type 13 18 INDEX 14 1 ...
Page 10: ...CONTENTS MEMO ...
Page 14: ...MACHINE NUMBERS 4 MEMO ...
Page 64: ...MEMO SAFETY SIGNS S 50 ...
Page 198: ...OPERATOR S STATION 1 134 MEMO ...
Page 200: ...BREAK IN 2 2 MEMO ...
Page 212: ...OPERATING THE ENGINE 3 12 MEMO ...
Page 266: ...OPERATING THE MACHINE 5 46 MEMO ...
Page 398: ...MAINTENANCE 7 124 MEMO ...
Page 399: ...8 1 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT Hydraulic Circuit MDAA 08 001 ...
Page 402: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 404: ...STORAGE 10 2 MEMO ...