TM 9-2350-261-34
R E P A I R T R A C K T E N S I O N A D J U S T E R
DESCRIPTION
This task covers:
Disassemble (page 7-9).
Clean, Inspect, and Repair (page 7-10).
Assemble (page 7-10).
INITIAL SETUP
Tools:
General Mechanics Tool Kit (Item 35, App B)
Arbor Press (Item 72, App B)
Inside Caliper, Micrometer Set
(Item 16, App B)
Outside Caliper, Micrometer Set
(Item 17, App B)
Screw Threading Set
(Item 94, App B)
Materials/Parts:
Grease (Item 9, App C)
Lubricating oil (Item 29, App C)
Packing (6)
Retaining ring (2)
Materials/Parts (cont):
Sleeve bushing (2)
Wiper ring
Personnel Required:
Track Vehicle Repairer 63H10
References:
See your -20
Equipment Conditions:
Track tension adjuster removed from carrier
(See your -20)
DISASSEMBLE
1.
2.
3.
4.
5.
6.
7.
Loosen bleeder valve (1). Push piston rod (2)
in as far as it will go.
Maintain inward pressure on piston rod (2)
and rotate counterclockwise until piston rod
rotates freely.
Pull piston rod (2) from cylinder (3).
Remove retaining ring (4), wiper ring
packing (6) from cylinder (3). Discard
ing, wiper ring, and retaining ring.
Press bearing (7) about 1 inch (3 cm)
cylinder (3) to force retaining ring (8)
groove in cylinder.
(5), and
pack-
in
from
Pull bearing (7) from cylinder (3). Discard
bearing.
Turn retaining ring (8) 90 degrees in cylinder
(3). Remove ring from cylinder. Discard re-
taining ring.
8.
9.
Close bleeder valve (1). Force grease through
lube fitting (9) until piston assembly (10) is
forced from cylinder (3).
Use a clean cloth to remove excess grease
from piston assembly ( 10) and cylinder (3).
N O T E
Packing set may be a five or seven piece
design.
10. Remove retaining ring (11), bearing (12),
and five packings (13) from piston assembly
(10). Discard packings, retaining ring, and
—
bearing.
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7-9
