SANY SY500H, Operation And Maintenance Manual

Page: 159 / 196

MAINTENANCE
5-51 SY500H Excavator OMM
Check the Track Tension
Figure 5-104
1. Clean the track, rollers, and frame of accumulated
debris.
2. Move the machine forward two machine lengths on a
firm and level surface.
3. Place a taut string or straightedge between the
centers of the forward top roller and the idler as
shown.
4. Measure the gap at location A from the top of the
track to the string or straightedge.
Figure 5-105
5. Hold a taut string or straightedge between the
centers of the rear top roller and the sprocket as
shown.
6. Measure the gap at location B from the top of the
grouser to the string or straightedge.
7. Add dimensions A and B.
NOTE: The specified range must be within 3 in.–4 in.
(76.2 mm–101.6 mm).
8. Adjust the track tension as needed to obtain this
dimension.
0000809
A
0000810
B