TM 5-3820-239-15
Pipe plug, 1 on. (5)
21 Hose clamp half (2)
1
2
Street elbow, 1 in.
22 Bolt, hex-hd, 3/8-16 x 3 1/2 in.
Elbow, 1 in. (2)
23 Nut, hex, 3/8-16
3
4
24 Washer, lock, 3/8 in.
Nipple, 1 x 1 1/2 in. (2)
5
Screw, cap, hex-hd, 3/4-10 x 6 in. (2)
25 Hose clamp (2)
Nut, hex, 3/4-10 (2)
6
26 Clamp half (2)
7
Screw, cap, hex-hd, 3/4-10 x 1 1/4 in.
27 Eye nut
8
Washer, lock, 3/4 in. (3)
28 Straight link chain
Remote control manifold
9
29 Cold shut (2)
10
30 Stud
Screw, cap, hex-hd, 3/4 - 10 x 7 1/2 in. (2)
11
31 Stud, 5/8- 11 x 2 1/4 in. (2)
Nut, hex, 3/4 - 10 (2)
12
Washer, lock, 3/4 ion. (2)
32 Nut, hex, 5/8-11 (2)
13
Remote control manifld mounting bracket
33 Washer, lock, 5/8 in. (2)
14
Bolt, hex-hd, 3/8- 16 x 3 1/2 in. (3)
34 Hose hangar block
15
Nut, hex, 3/8 16 (6)
35 Air feed motor assembly
16
Washer, lock, 3/8 in. (3)
36 Centralizer
17
37 Feed chain
Hose clamp half (6)
18
38 Feed chain coupler link (2)
Hose clamp half (6)
19
Screw, cap hex-hd, 1/4-20 x 1 1/4 in.
39 Drill mounting plate
20
Nut, hex, 1/4 - 20
40 Complete drill guide
f. Complete Drill Guide. Disassemble com-
and inside connecting r o d s ( 9 3
plete drill guide in the numerical sequence as
and 94).
(27) Remove outside connecting rods (93)
and inside connecting rods (94) from
the upper and lower throw cranks
6-11. Cleaning
(89 and 90).
Clean all parts with an approved solvent. and
(28) Press out connecting rod bushings
blow dry with compressed air.
(92) from the connecting rods. Pull
crank pin sleeves (91) off upper and
6-12. Inspection and Repair
lower throw cranks (89 and 90).
a. Inspect all parts for wear and damage,
(29) Remove nut (83). Using a suitable
and replace if necessary.
bearing puller to bear on the inner
b. Inspect all bearings for cracks,
looseness,
race, pull upper crank bearing (84)
and wear. Replace if unserviceable.
off the shaft of upper throw crank
c. Inspect all gears and pinions for cracks,
(89).
chipped teeth, damaged bores, and excessive
(30) Only if worn or damaged, press cyl-
wear. Replace if in doubt as to the service-
inder liners (80) out of cylinder case
ability of a part.
(96), using a wooden block to bear
d. Inspect upper and lower throw cranks
on the liner. Make sure that the block
does not interfere with cylinder liner
(95) for scoring marks, cracks, wear, and other
keys (79).
damage. If any of the three parts is damaged,
Note. Do not remove cylinder liner
the entire set must be replaced, since the parts
keys (79), which are for locating and
are machined together and comprise a matched
alining the cylinder liners in cylinder case
set.
(96).
d. Centralizer. Disassemble centralizer in
e. Inspect connecting rod bushings (92) for
the numerical sequence as illustrated on figure
6-5.
strument, measure the wall thickness. If worn
e. Drill Mounting Plate. Disassemble drill
to less than 0.053 inch, replace the bushings.
mounting plate in the numerical sequence as
f. Inspect. outside and inside connecting rods
(93 and 94) for cracks, twisting indications,
6-7