SY265C LC/SY265C LR Excavator OMM
5-40
Operation and Maintenance Manual — 0420
SANY
Inspect the Engine Serpentine Belt
1. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
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 the OFF position. See “Battery Disconnect Switch” on page 3-20.
4. Check the engine serpentine belt and pulleys for wear
or damage.
5. Press on the engine serpentine belt (1) between the fan
and component pulley.
NOTE:
The belt should deflect 0.20 in.–0.31 in.
(5 mm–8 mm) (2).
•
If using a tension meter to check the belt tension of
the engine serpentine belt, the tension should
measure 143 lbf. (636 N).
6. Replace the belt if:
•
It has stretched past the point of being correctable.
•
Cuts or cracks are found in the belt.
•
The belt slips or squeals.
Check the Starter
1. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
2. Open the appropriate access covers or compartment doors. See “Doors, Escape Hatch, and Filler Caps” on
3. Turn the key switch to the START position and listen for abnormal noise and operation that may indicate a
faulty starter:
CAUTION!
Rotating parts inside the engine compartment can cause injury. Make sure the engine is off
and that all components have stopped moving.
CAUTION!
Rotating parts inside the engine compartment can cause injury. Make sure the engine is off
and that all components have stopped moving.
Fig. 5-39
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Summary of Contents for SY265C LC
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