MAINTENANCE
5-21
SY60C Excavator OMM
0004113
Figure 5-22
3.
Examine the dust valve to see if it is cracked, torn,
remains open. Dust particles that are normally
expelled can deposit themselves onto the filter and
will shorten the air filter service life.
4.
Install a new dust valve if needed.
Replace Air Filters
When dust buildup reaches a certain level, the air filter
restriction warning will appear on the display screen.
• Replace the primary air filter whenever the air filter
restriction warning is displayed.
• Replace the secondary air filter every 500 hours.
NOTE:
Always use SANY-approved air filters.
1.
Prepare the machine for service. See “Maintenance
Safety” on page 2-5.
2.
Open the machine front access door and locate the
air filter housing.
3.
Release the three latches (2) and remove the end
cover.
0002896
Figure 5-23
NOTE:
Clean the interior of the housing before removing
the primary filter element.
4.
Remove the primary filter element (5) and then the
secondary filter element (4).
5.
Installation is in the reverse order of removal.
Check the Alternator
Prepare the machine for service. See “Maintenance
Safety” on page 2-5.
Check the alternator for abnormal noise and operation. If
the alternator is malfunctioning, the brushes or bearings
may have reached the end of their service life and may
need to be replaced. Contact a SANY dealer for
additional information.
Check the Starter
Prepare the machine for service. See “Maintenance
Safety” on page 2-5.
Check the starter motor for abnormal noise and
operation. If the starter is malfunctioning, contact a SANY
dealer for additional information.
5
4
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