TM 5-3820-241-34
b. Disassembly. Disassemble the feed motor in
numerical sequence as illustrated in figure 5-2.
ME 3820-241-34/5-2
1 Plain hex nut
7 Plug valve
12 Roller
17 Piston
2 Lockwasher
8 Hex head capscrew
13 Valve and crankshaft assembly
18 Piston ring
3 Line up screw
9 Lockwasher
14 Hex head capscrew
19 Motor housing
4 Steet elbow
10 Air motor cover
15
Lockwasher
20 Hearing
5 Air inlet bushing
11 Retaining ring
16 Cylinder head
21 Adapter
6 90 degree elbow
22 Housing stud
Figure 5-2. Feed motor, disassembly and reassembly.
5-3. Feed Motor Cleaning, Inspection and Repair
a. Cleaning. Wash all parts with cleaning
solvent (Fed Spec PD 680) and dry thoroughly.
b. Inspection and Repair.
(1) Inspect the hoses fittings, hardware, and
threaded areas for damaged threads.
(2) Inspect the pistons and piston rings for
scoring or scratches.
Remove minor scratches
with a fine abrasive cloth.
(3) Inspect the cylinder heads for scoring and
excessive wear.
(4) Inspect
the valve and crankshaft,
bearings and rollers for excessive wear or other
damage.
(5) Repair by replacement of defective parts
5-4. Feed Motor Reassembly and Installation
a.. Reassembly.
5-3
