SY215C LC/SY225C LC Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 1219
5-87
TABLE
O
F
CONTENTS
INTRODUCTION
SAFETY
M
A
CHINE
CO
N
T
RO
L
S
MACHINE
OPE
R
A
T
IO
N
MAINTENANCE
S
PECI
F
ICA
T
IO
NS
OPT
IONAL
EQ
U
IPM
E
N
T
Lubricate the Swing Drive Bearing
Fig. 5-132
2
1
1. Prepare the machine for service. See “Maintenance
2. Grease the fittings (1) on the swing drive bearing until
grease seeps out of the seal (2).
3. Check the seal (2) condition.
NOTE:
If damaged, replace the seal immediately.
4. Start the engine.
5. Lift the arm off the ground.
6. Rotate the upper structure 90° and repeat steps 1 and 2.
7. Repeat until a full 360° rotation has been made.
8. Shut down the engine.
Check the Swing Bearing Fasteners
Fig. 5-133
1
1. Prepare the machine for service. See “Maintenance
2. Inspect both rows of swing bearing mounting fasteners
(1) for missing or damage fasteners.
3. Start the engine and turn the cab 90° to the right.
4. Shut down the engine.
5. Repeat steps 1 through 3 until inspection of all of the fasteners is completed.
NOTE:
Contact a SANY dealer if any fasteners are missing. Torque fasteners 879 lb-ft to 1073 lb-ft (1176
N•m to 1470 N•m).
