TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 753 of 1337

TM 9-2320-260-20

10-12. FIFTH WHEEL REPLACEMENT

(M815)

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP

APPLICABLE MODELS

REFERENCES (TM)

M815

LO 9-2320-260-12

MATERIALS/PARTS

TM 9-2320-260-10

TM 9-2320-260-20P

Eight locknuts

Two wood sills

EQUIPMENT CONDITION

Eight wood wedges

• Parking brake set (TM 9-2320-260-10).

PERSONNEL REQUIRED

•

Bolster removed (para. 12-69).

Two

GENERAL SAFETY INSTRUCTIONS

All personnel must stand clear during lifting

operations.

1.

Install chains on fifth wheel (1).

2. Position lifting device over fifth wheel (1).

3. Install chains on lifting device.

4. Remove eight locknuts (2), four U-bolts. (6), and wood wedges (4) from two rails (3) and fifth

wheel (1). Discard wood wedges (4) and locknuts (2).

All personnel must stand clear during lifting operations. A swing-

ing or shifting load may cause injury or death to personnel.

5. Raise fifth wheel (1) away from vehicle, then lower fifth wheel (1) onto a pallet for transport.

6. Remove chains from lifting device and fifth wheel (1).

7. Remove four rail reinforcement brackets (5) and two wood sills (7) from rails (3). Discard

wood sills (7).

1. Position four rail reinforcement brackets

2. Install chains on fifth wheel (1).

3. Position lifting device over fifth wheel (1).

4. Install chains on lifting device.

(5) and two wood sills (7) on rails (3).

10-18