TM 5-3820-233-12/1
c. Power Unit to Jaw Crusher.
V-belt tension from the power unit to, jaw crusher.
(3) Tighten jaw nuts.
(1) Loosen jam nuts (fig. 4-49).
(2) Turn adjusting screw to increase or decrease
Figure 4-49. Power unit to jaw crusher, V-belt adjustment.
d. Crusher to Feeder.
(1) Loosen jam nut (fig. 4-50).
(2) Turn adjusting screw to increase or decrease
belt tension.
(3) Tighten jam nuts.
e. Initial Belt Adjustment.
(1) Operate under load for 30 minutes, check
and tighten V-belts to remove initial stretch and seating
of belts in pulley. Then check tension again at the end of
the first hour of operation. After initial stretch has been
relieved check after every 60 hours of operation.
(2) Always check belts during extreme changes
in weather.
f. Correct Belt Tension. Refer to table 4-3 and
determine belt tension.
FIGURE 4-50
4-48
