SY35U Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-45
TABLE OF
CONTENTS
INTRODUCTION
SAFETY
MACHINE
CONTROLS
MACHINE
OPERA
TION
MAINTENANCE
SPECIFICA
TIONS
OPTIONAL
EQUIPMENT
Adjust the Air Conditioner Compressor Belt Tension
1. Prepare the machine for service. See “Maintenance
2. Loosen the belt adjustment pulley locknut (2) and turn
the tension adjuster (1) to achieve the correct belt
tension.
NOTE:
The tension adjuster can be accessed from below through a cutout in the machine frame.
3. Tighten the belt adjustment pulley locknut.
Air Conditioner Storage
When the air conditioner will not be used for an extended period of time, it should be operated for 3-5 minutes each
month in order to lubricate the compressor components and air conditioning system seals.
Air Conditioner Components Inspection and Maintenance Schedule
NOTICE!
•
Check the pulleys and V-belt for damage and
wear. Make sure that the V-belt does not rub
against the bottom groove of the pulleys.
•
A newly installed V-belt must be readjusted
after operating the machine for 1 hour.
Item
Description
Service Interval
Refrigerant (R134a)
Check for leaks in lines, fittings, and components. Daily
Condenser
Check if condenser fins are plugged.
When required
Compressor
Check the compressor function and look for leaks. Every 4000 service hours
Compressor V-belt
Check tension.
Every 250 service hours
Check for damage, wear, and deterioration.
Blower speed
adjustment dial
Check fan motor and fan operation.
Daily
Check speed adjustment function.
Temperature
adjustment dial
Check for normal operation.
Daily
Fasteners
Check for loose connections, fasteners, and
locknuts.
Every 6 months
Fig. 5-45
0003840
1
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