SANY SY155U, Руководство по эксплуатации и обслуживанию, Страница: 129 / 192

MAINTENANCE
5-19
SY155U Excavator OMM
Engine Inspection
NOTE: Regular inspection of the engine and engine
compartment helps to identify potential problems
and prevent defects that may lead to service
interruption and costly repair.
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. Inspect the engine and engine compartment for the
following:
• Oil, fuel, and engine coolant leaks.
• Loose fasteners and connections.
• Worn or loose drive belts.
• Damaged hoses and wiring harnesses.
• Engine air filter.
Check the Crankcase Breather Tube
WARNING
• Do not perform engine maintenance when the
engine is hot. Hot engine oil or engine
components may cause severe burns.
• Allow the engine to cool before performing
engine maintenance.
Failure to follow this caution could result in injury.
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.
0003573
Figure 5-15
4. Check the crankcase breather tube (1) for cuts,
holes, and worn areas. Replace if needed.
Check and Replace the Engine Air Filter
System
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.
NOTICE!
Shut off the engine to prevent dirt from entering
the engine and causing damage when checking or
replacing the air filters.
Failure to follow this notice could damage the
machine or cause it to operate improperly.
0003566
Figure 5-16
4. Squeeze the dust valve (1) mounted on the end cap
(3) of the filter housing to release any dust or debris.
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