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
This task covers:
Disassemble (page 7-9).
Clean, Inspect, and Repair (page 7-10).
Assemble (page 7-10).
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)
Grease (Item 9, App C)
Lubricating oil (Item 29, App C)
Retaining ring (2)
Sleeve bushing (2)
Track Vehicle Repairer 63H10
See your -20
Track tension adjuster removed from carrier
(See your -20)
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
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.
Pull bearing (7) from cylinder (3). Discard
Turn retaining ring (8) 90 degrees in cylinder
(3). Remove ring from cylinder. Discard re-
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
10. Remove retaining ring (11), bearing (12),
and five packings (13) from piston assembly
(10). Discard packings, retaining ring, and
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