Maintenance
SY35U Excavator OMM
5-44
Operation and Maintenance Manual — 0120
SANY
2. Lift the right side of the front floor mat (2).
3. Remove the two fasteners (3) and the ventilation filter
screen cover (1).
4. Remove the fasteners (4) and the ventilation filter
element (5).
5. Replace the ventilation filter element.
6. Installation is in the reverse order of removal.
Inspect and Adjust the Air Conditioner Compressor Belt Tension
Check the Air Conditioner Compressor Belt Tension
Prepare the machine for service. See “Maintenance Safety”
on page
Check the air conditioner compressor belt tension using
one of the following two methods:
•
Check the tension of the compressor belt using a
tensioning gauge. A new belt should be tightened
to 143 lbf. (637 N), and a used belt should be
tightened to 99 lbf. (441 N).
•
Press down on the belt halfway between the
compressor pulley (1) and the drive pulley (2). The
belt must deflect 0.20 in.–0.31 in. (5 mm–8 mm) (3).
Fig. 5-42
0003095
3
2
1
Fig. 5-43
0003844
4
5
Fig. 5-44
0003091
1
2
3