SANY SY155U, Operation And Maintenance Manual, Page: 172 / 192

5-62
MAINTENANCE
SY155U Excavator OMM
Lubricate the Cab Door Hinges and Front
Window Slide Rail
0003690
Figure 5-148
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.
4. Grease the two cab door hinges (1) until grease
comes out of the hinge.
5. Wipe off excess grease.
0003630
Figure 5-149
6. Apply a lubricating silicone to the slide rails (2) on
both sides of the cab door ceiling.
Cab
Check the Grab Handles and Steps
0003550
Figure 5-150
1. Prepare the machine for checks and inspections.
See “Maintenance Safety” on page 2-5.
2. Check the mounting fasteners on the grab handles
(1).
3. Replace any missing or damaged mounting
fasteners and tighten any loose fasteners.
4. Remove any tools, lubricants, or debris from the
steps (2). Never allow loose items to remain on the
machine.
Check the Cab Door, Access Doors, Covers,
and Locks
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.
4. Inspect the cab door (1), access doors (3), and their
locks to be sure they close and lock properly.
NOTE: Properly operating doors and access panels are
important for the security of the machine.
5. Repair or replace any damaged doors, access
panels, or locks immediately.
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