Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
Not Fully Mission
b. Check conveyor chain tension
(p. 3-43). Tension is correct when tops
of plastic and steel conveyor pads are
vertically aligned with chain tension
indicator. If conveyor pads hang
no lower than bottom of indicator, no
adjustment is necessary.
c. Listen for unusual noises made
by conveyor motor. If motor grinds,
shut down conveyor hydraulic
circuit and operate manually.
d. Check alignment of conveyor
chain. Chain should be over
sprocket at either end of conveyor
and should be centered with rollers.