SANY SY16C, Operation And Maintenance Manual, Page: 186 / 208

Maintenance SY16C Excavator OMM
5-54
Operation and Maintenance Manual — 0420
SANY
Boom Pin
1. Remove the grease fitting cap (1) from the boom pin
grease fitting (2).
2. Grease the boom pin grease fitting.
3. Wipe excess grease from around the grease fitting and
install the grease fitting cap.
Swing Bearing
1. Start the engine and raise the bucket 0.8 in.–1.2 in.

(20 mm–30 mm) above the ground. Swing the upper
structure 45 degrees (1/8 turn) in each direction.
2. Shut down the engine.
3. Remove the grease fitting caps (1) and grease the
swing bearing (2).
4. Wipe excess grease from around the grease fitting and
install the grease fitting cap.
Swing Gear
1. Start the engine and raise the bucket 0.8 in.–1.2 in.

(20 mm–30 mm) above the ground. Swing the upper
structure 45 degrees (1/8 turn) in each direction.
2. Shut down the engine.
3. Remove the grease fitting caps (1) and grease the
swing gear (2).
4. Wipe excess grease from around the grease fitting and
install the grease fitting cap.
Fig. 5-45
0005136
1
2
Fig. 5-46
0005141
1
2
Fig. 5-47 0005141
2
1