TM 5-3820-233-35/1
JAW CRUSHER PLANT REPAIR INSTRUCTIONS
Section I. FEEDER DRIVE
maintenance procedure. Disassemble bearing
54. General
assemblies as illustrated on figure 30-3.
The feeder drive is belt and chain driven
d. Cleaning, Inspection, and Repair
from the crusher flywheel at a speed of 50
(1) Clean all parts with an approved
RPM. Excluding the clutch control, the feeder
cleaning solvent and dry thoroughly.
drive components are attached to the feeder
(2) Inspect clutch components for heat
frame. Maintenance and overhaul operations
discoloring. Replace defective parts as neces-
can be performed with the feeder installed or
sary.
removed from the plant. The following para-
(3) Perform a magnetic inspection on all
graph will discuss feeder drive overhaul with
shafts. Replace a defective shaft.
the feeder removed from the plant.
(4) Inspect all parts for wear or damage,
and replace defective parts.
e. Countershaft Bearing Assembly. Reas-
a. Removal and Disassembly
semble countershaft bearing assemblies (73
(1) Remove the feeder and hopper com-
and 74, fig. 30-1) as illustrated on figure
plete with feeder drive from the plant (para
30-3.
25).
f. Feeder Clutch Reassembly. Reassemble
(2) Remove and disassemble the feeder
the feeder clutch assembly in the reverse of
drive components as illustrated on figure 30.
the numerical sequence as illustrated on fig-
b. Feeder Clutch Disassembly. Disassemble
ure 30-2.
feeder clutch assembly (57, fig. 30-1) in the
g. Reassembly and Installation
numerical sequence as illustrated on figure
(1) Reassemble and install the feeder
30-2.
drive to the feeder frame as illustrated on
c. Countershaft Bearing Disassembly. The
countershaft bearing assemblies (`73 and 74,
(2) Install feeder and hopper complete
fig. 30-1) are similar in construction and
with feed drive (para 25).
