TM 9-2320-361-20 12-112. FIFTH WHEEL REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS M275A2 MATERIALS/PARTS Ten locknuts PERSONNEL REQUIRED Two REFERENCES (TM) LO 9-2320-209-12-1 TM 9-2320-361-10 TM 9-2320-361-20P EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). GENERAL SAFETY INSTRUCTIONS All personnel must stand clear during lifting operations. 1. Remove ten locknuts (9), twenty washers (10), and ten screws (11) from fifth wheel subbase (5) and frame rails (7). Discard locknuts (9). 2. Attach utility chain (4) to fifth wheel (1) with four washers (2), two screws (6), and nuts (3). WARNING All personnel must stand clear during lifting operations. A swinging or shifting load may result in injury to personnel. NOTE Assistant will help with step 3. 3. Remove fifth wheel (1) and two spacers (8) from frame rails (7). 4. Remove two nuts (3), four washers (2), two screws (7), and chain (4) from fifth wheel (l). 12-181