TM 9-2330-389-14&P
4-28. TIRE ASSEMBLY REPLACEMENT (Con’t)
WARNING
Failure to block undercarriage group may result in injury to personnel.
3.
Raise axle assembly (2) until track (3) is clear of ground using a hydraulic jack positioned under spring U-bolt
plate (4). Support axle assembly (2) with jack stands or blocking, to stabilize trailer. If removing inside tire, center
of hub must be approximately 37 inches from ground. Block up opposite end of undercarriage group to keep tire
assembly being removed at ground level.
4.
Reduce track tension by releasing air out of two tire assemblies (5). Do not remove air from tire assembly (6).
CAUTION
Do not loosen the track alignment or adjustment screws, located on each side of
the frame group. Failure to tighten the adjustment screw will allow the frame
group to move freely and damage the track belt.
5.
Remove eight lugnuts (1) and tire assembly (7) from axle hub (8).
b.
INSTALLATION
NOTE
·
Use this task to install any one of the left or right, front or rear, inner or outer
tire assemblies. Right front outer tire assembly is shown.
·
If difficulty is encountered during replacement, check belt sag between tire
assembly on bottom. If track belt and tire assembly are too high off ground,
track belt will sag too far and may have to be supported by blocks.
4-34
