SANY SY500H, Operation And Maintenance Manual

Page: 160 / 196

5-52
MAINTENANCE
SY500H Excavator OMM
Increase the Track Tension
1. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
0004782
Figure 5-106
2. Clean all debris from the grease fitting access port
(1).
0004747
Figure 5-107
3. Using a grease gun, grease the fitting (2) to move the
idler out and tighten the track.
4. Slowly move the machine forward two machine
lengths.
5. Stop the machine.
6. Recheck the track tension. See “Check the Track
Tension” on page 5-51.
7. Repeat step 1 if the track tension is not within the
specified range.
Decrease the Track Tension
WARNING
Do not loosen the grease fitting! The grease fitting
is under extreme pressure and can exit the grease
valve quickly and forcefully, which could result in
death or serious injury. Do not stand directly in
front of the grease valve when loosening the
valve. Wear suitable personal protective
equipment (PPE) in the form of protective
clothing, gloves, safety glasses, and head
protection to protect against the sudden release
of pressurized grease.
1. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
0004782
Figure 5-108
2. Make sure there is no gravel or mud between the
sprocket and the track shoe before decreasing track
tension.
Figure 5-109
1
2
1
0000812
2