TM 5-3805-280-10
Maintenance--As Required
5. Measure distance (A) at middle track roller from bottom
of track frame to top surface of track shoe.
Normal Ground Condition--Specification
Track Sag ............................................................................. 300--335 mm
(11-13/16--13-3/16 in.)
For general information on track sag, see Maintenance
chapter.
TX,55,DH5447
1904MAR972/2
ADJUSTING TRACK SAG
IMPORTANT: Prevent possible damage to track
components. DO NOT use the grease
fitting on the track adjusting cylinder
for lubrication. Use this fitting ONLY for
track adjustment.
To tighten track, connect a grease gun to grease fitting
(A) (located through access hole (D) in track frame. Add
grease until sag is within recommended limits.
CAUTION: Prevent possible injury from high
pressure grease. Do not remove grease fitting
(A) from nut (B).
To loosen, slowly turn nut (B) counterclockwise; grease
will escape through the bleed hole (C).
Nut--Specification
Torque ......................................................................... 147 Nm (108 lb-ft)
When amount of track sag is satisfactory, turn nut
clockwise to tighten.
A--Grease Fitting
B--Nut
C--Bleed Hole
D--Access Hole
TX,55,FF2991
1929OCT921/1
11-6