Maintenance
SY135C Excavator OMM
5-28
Operation and Maintenance Manual — 0120
SANY
6. Check the operation of the windshield washer nozzle
(3) and wiper (4) to make sure there is no smearing
across the windshield during operation. Replace the
wiper blade if smearing occurs.
7. If necessary, adjust the spray nozzle to make sure that
the fluid spray is properly directed.
Climate Control System
Check the Air Conditioning System
While checking the climate control system, also check the following:
NOTE:
If any abnormalities are discovered, contact a SANY dealer. Do not repair the air conditioning system
beyond the tasks described in this manual.
NOTICE!
Do not operate the windshield wiper on a dry
window. Doing so could result in machine
damage and improper machine operation.
Climate Control System
Assembly/Component
Symptom/Cause
Hose and line assembly
Check hoses and lines for cracks and leaks.
Loose connection; loose fasteners.
Connecting fastener
Connection is loose; fastener is loose or damaged.
Air conditioner compressor belt
Deterioration due to heavy wear, scarring, and cracking.
Condenser assembly
Blockage by debris (garbage, dust, grass, etc.).
Refrigerant leak
Leaks at hose and line connections.
Noise
Compressor (not under load).
Condenser and evaporator fan.
CAUTION!
The air conditioning system is under pressure. Working on it could create a hazardous
situation, which could result in injury. Contact a SANY dealer if repairs are required.
Fig. 5-74
0003744
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