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MAINTENANCE
5-29
SY155U Excavator OMM
6. Loosen the pulley fastener (3).
7. Turn the adjustment fastener (4) to adjust the belt
tension. The belt should deflect 0.20 in.–0.30 in.
(5 mm–8 mm) when pressed with a force of 14.3 lb-ft
(19.5 N•m).
8. Replace the belt if:
• It has stretched and there is little margin left for
adjustment.
• Cuts or cracks are found in the belt.
• The belt slips or squeals.
NOTE:
Contact a SANY dealer for belt replacement.
9. Tighten the pulley fastener (3).
NOTE:
Newly installed V-belts need to be checked and
adjusted if necessary after the first hour of
operation.
10. Install the belt shroud and secure it in place.
Check Air Conditioner Fresh Air and
Recirculation Filters
0003574
Figure 5-47
Fresh Air Filter
1. Prepare the machine for checks and inspections.
See “Maintenance Safety” on page 2-5.
2. Open the compartment door (1). 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. Remove two fasteners (2) and the retaining plate (3)
that secure the fresh air filter (4).
5. Remove the fresh air filter.
6. Clean the fresh air filter with compressed air.
NOTE:
After cleaning the fresh air filter five times, or if the
filter cannot be cleaned, replace it with a new one.
7. Install the filter, retaining plate, and fasteners.
8. Close and lock the access panel.
Recirculation Air Filter
0003632
Figure 5-48
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. Remove the cab floor mat (1).
5. Remove the four fasteners (2) and the cover (3).
0003694
Figure 5-49
6. Remove the recirculation air filter (4).
7. Clean the filter with compressed air.
8. Install the recirculation air filter.
9. Secure the cover with four fasteners.
10. Position the floor mat on the cab floor.
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Содержание SY155U
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Страница 33: ...MACHINE CONTROLS 3 3 SY155U Excavator OMM Machine Configuration Screen 3 36 Tool Select Screen 3 37 ...
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Страница 114: ...5 4 MAINTENANCE SY155U Excavator OMM Check the Operation and Maintenance Manual 5 66 ...
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Страница 178: ...6 2 SPECIFICATIONS SY155U Excavator OMM Machine Dimensions 0003676 Figure 6 1 5 11 1 2 3 4 6 10 8 7 9 ...
Страница 180: ...6 4 SPECIFICATIONS SY155U Excavator OMM Working Range 0003677 Figure 6 2 2 1 6 7 4 5 3 ...
Страница 183: ...SPECIFICATIONS 6 7 SY155U Excavator OMM Lift Chart 0004398 Figure 6 3 ...
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