122. Hopper Assembly Cleaning and Inspection
(3) Inspect all mounting hardware for defective
threads.
a. Cleaning. Clean the hopper assembly.
(4) Replace all defective parts as necessary.
b. Inspection.
123. Hopper Assembly Installation
(1)
Inspect hopper for dents, holes, cracked
Refer to figure 37 and install the hopper assembly on
welds, and rust.
the unit.
(2)
Inspect all braces for bends, rust, or damage.
Section III. FEEDER GEAR REDUCER ASSEMBLY
b. Inspection Repair.
124. General
(1)
Inspect all gears for cracks, broken or
The reciprocating feeder gear reducer assembly is a
chipped teeth.
double reduction unit, which has a gear ratio of 15 to 1.
The gear reducer is a means of power transfer through a
(2)
Inspect all bearings for breaks and free
series of gears, from the motor to the feeder drive shaft.
rolling in the races
This is done by reducing the rpm and increasing the
torque delivered to the feeder drive shaft.
(3) Inspect all shafts for cracks, scratches,
damaged keyways and threaded areas.
125. Feeder Gear Reducer Assembly Removal
and Disassembly
(4)
Inspect housing and cover for cracks, broken
flanges, and elongated holes.
Remove the feeder gear reducer
a. Removal.
assembly in a similar manner as that used for the
(5)
Replace all gaskets at reassembly.
conveyor gear reducer assembly (TM 5-3820-206-20/2).
(6)
Inspect all mounting hardware for defective
b. Disassembly. Refer to figure 38 and disassemble
threads.
the feeder gear reducer assembly.
(7)
Replace or repair all defective parts as
Note.
necessary.
Remove the shaft (19), bearing (20),
spacer (21), gear (22), and key (28),
127. Feeder Gear Reducer Assembly Reassembly
from the housing (36) as an
and Installation.
assembly and remove the bearing,
a. Reassembly. Refer to figure 38 and reassemble
spacer, gear, and key from the shaft.
the feeder gear reducer assembly in' the reverse order.
Remove the shaft (24), and bearing
(26) from the housing (36) " an
Note.
assembly and remove the bearing
Press the bearing (27) on the shaft
from the shaft. Remove the shaft
(26) and install in the housing (36)as
(26), bearing (27) from the housing
an assembly. Press the bearing (25)
(36) as an assembly and remove the
on the shaft (24) and Install in the
bearing from the shaft.
housing (86) as an assembly. Install
the key (28), gear (22), spacer (21),
126. Feeder Gear Reducer Assembly Cleaning,
and bearing (20) on the shaft (19) and
Inspection, and Repair
install in the housing (36) as an
assembly.
a. Cleaning. Clean all parts in an approved cleaning
solvent and dry thoroughly.
Install the feeder gear reducer
b. Installation.
assembly in a similar manner as that used for the
Note. Do not submerge roller bearings in solvent.
conveyor gear reducer assembly (TM 5-3820-205-20/2).
76 AGO 8456A
