TM-9-2330-267-14-P

TRAILER, TANK, WATER: 400 GALLON, 1-1/2 TON, 2 WHEEL M149, M149A1 AND M149A2

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)

JULY 1991

TM-9-2330-267-14-P - Page 106 of 354

TM 9-2330-267-14&P

4-32. SERVICE BRAKE MAINTENANCE (Con’t).

d .

MINOR ADJUSTMENT

CAUTION

To avoid damage to axle assembly, ensure that floor jack Is placed as close as possible

to suspension springs when lifting trailer.

NOTE

Perform this task for each wheel to compensate for normal brakeshoe lining wear.

1.

Using floor jack, raise axle enough to allow wheel to spin freely. Support axle with a suitable jackstand.

2.

Adjust service brakes by turning two adjusting studs (27) on backing plate (8) until a slight drag is felt when

wheel is spun.

3.

Back off adjustment so wheel spins freely.

4.

Remove jackstand and lower axle.

FOLLOW-ON TASKS:

l Connect handbrake cable to backing plate (para 4-31).

l Connect backing plate hydraulic lines to backing plate, if removed (para 4-35).

l Install hub and brakedrum (para 4-45).

l Bleed brakes, if backing plate hydraulic lines were disconnected from backing plate (para 4-36).

TA507025

4-56