SANY SY155U, Operation And Maintenance Manual, Page: 164 / 192

5-54
MAINTENANCE
SY155U Excavator OMM
14. Check for external leaks.
15. Repeat this process for the other final drive.
Swing Drive
Check and Add Swing Pinion Gear Grease
1. Prepare the machine for checks and inspections.
See “Maintenance Safety” on page 2-5.
2. Turn the battery disconnect switch to OFF. See
“Battery Disconnect Switch” on page 3-15.
0003593
Figure 5-122
3. Locate the swing pinion gear grease fitting (1).
0003592
Figure 5-123
4. Remove the two fasteners (2) and remove the cover
(3) to open the inspection/filler hole.
5. 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).
6. If the grease level is low, add grease through the
inspection/filler hole as needed. See “Lubrication and
Grease” on page 5-8 for additional information on
grease type.
7. 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.
8. Install the cover on the inspection/filler hole.
Check the Swing Drive Oil Level
1. Prepare the machine for checks and inspections.
See “Maintenance Safety” on page 2-5.
2. Open the appropriate access covers or compartment
doors. See “Doors, Panels, Covers, and Filler Cap”
on page 4-5.
3. Turn the battery disconnect switch to OFF. See
“Battery Disconnect Switch” on page 3-15.
0003590
Figure 5-124
4. Inspect the swing drive (1) for leaks or damage.
Contact a SANY dealer if any damage is found.
0003655
Figure 5-125
5. Remove the dipstick (2) from the swing drive.
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