SERVICE BRAKE ASSEMBLY - CONTINUED - TM-9-2330-379-14P

SERVICE BRAKE ASSEMBLY - CONTINUED - TM-9-2330-379-14P_197

SERVICE BRAKE ASSEMBLY - CONTINUED - TM-9-2330-379-14P_199

TM-9-2330-379-14P Trailer Cargo: 1-1/2-Ton 2-Wheel M105A3 NSN 2330-01-452-1218 Manual
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TM 9-2330-379-14&P SERVICE BRAKE ASSEMBLY - CONTINUED ACTION LOCATION ITEM REMARKS AUTOMATIC BRAKE ADJUSTMENT CAUTION Automatic adjusters cannot be depended upon to take up excessive initial clearance. Adjusters may not function if adjusting bolts are tight against the plunger. Dual actuated brakes will not adjust on a stationary vehicle. 1 Spring brake Caging tool (2) Cage spring brake chamber (1) power chamber (1) spring by installing manual release tool (2) and turning manual caging bolt 18 to 21 turns clockwise. 2 Actuator Adjusting bolt Check, clean, and regrease actuator housing (3) assembly (4), housing (3), adjusting bolt assembly (4), adjusting sleeve adjusting sleeve (5), and adjusting (5), and adjust- plunger (6). ing plunger (6) 3 Spring brake Brake shoes (7) Manually adjust brakes for heavy drag chamber (1) using a brake shoe adjust tool to move the adjusting bolt on adjusting bolt assembly (4). The adjusting bolts have right hand threads. 4 Adjusting bolt a. Back off adjusters 0.020" to 0.040" assembly (4) clearance. b. Measure at the crown (center) of the brake shoe using a long feeler gauge to permit checking the entire lining width. A light drum drag should be evident. c. If a light drum drag is not evident, check for misalignment or bent shoes, improper lining grind, drum runout, etc. 4-119

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