SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-89
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INTRODUCTION
SAFE
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CONTROLS
MACHINE
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INTENANCE
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EQUI
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Check the Swing Bearing Fasteners
1. Prepare the machine for service. See “Maintenance
2. Check the swing bearing mounting fasteners (1) for
damage.
3. Start the engine. See “Starting the Engine” on page 4-
12.
4. Rotate the upper structure 90° to the right (to gain
access to remaining fasteners).
5. Shut the engine down. See “Engine Shutdown
6. Repeat steps 1 through 5 until all fasteners have been
checked. If any fasteners are missing or damaged,
contact a SANY dealer.
Check and Add the Swing Pinion Gear Grease
1. Prepare the machine for service. See “Maintenance
2. Remove two fasteners (1) and remove the cover to
open the inspection/filler hole.
3. Check the grease level by inserting a ruler into the
grease through the inspection/filler hole. The minimum
level is 3/4 in. (19 mm).
NOTE:
See “Lubricating Grease/Temperature Data”
on page 5-13 for additional information on
grease type.
4. If the grease level is low, add grease through the
inspection/filler hole as needed.
5. Check the grease color to see if it is milk-white.
NOTE:
Milk-white grease indicates that the grease has been contaminated. Contact a SANY dealer for
information on changing the grease.
6. Install the cover on the inspection/filler hole.
Fig. 5-167
000051
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Fig. 5-168
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