TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 161 of 863
TM 9-2320-260-34-2
15-30. UNDERFRAME REPAIR
THIS TASK COVERS:
a. Disassembly
b. Assembly
INITIAL
SETUP
APPLICABLE MODES
MATERIALS/PARTS (Contd)
M820, M820A1, M820A2
Two seals (Appendix D, Item 447)
Sealing compound (Appendix C, Item 45)
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
REFERENCES (TM)
TM 9-2320-260-10
Rivet gun (Appendix B, Item 120)
TM 9-2320 -260-34P-2
MATERIALS/PARTS
EQUIPMENT CONDITION
Eight lockwashers (Appendix D, Item 224)
Parking brake set (TM 9-2320-260-10).
Thirty-two rivets (M820A1)
(Appendix D, Item 349)
Thirty-two rivets (M820, M820A2)
(Appendix D, Item 350)
NOTE
•Retainers are replaced the basically the same on M820, M820A1,
and M820A2 vehicles. This procedures covers the M820 and
M820A2 vehicles.
•Assistant will help with step 1.
1.
Remove one hundred twenty-eight screws (15), two retainers (14), channels (12), and seals (13) from
underframe (1). Discard seals (13).
2. Remove thirty-two screws (4) and four covers (5) from underframe (1).
3. Remove eight nuts (3), lockwashers (2), screws (7), and four plates (6) from underframe (1). Discard
lockwashers (2).
4. Remove thirty-two rivets (8) and eight tiedowns (9) from underframe (1). Discard rivets (8).
5. Remove four screws (11) and angle bracket (10) from underframe (1).
1. Install angle bracket (10) on underframe (1) with four screws (11).
2. Install eight tiedowns (9) on underframe (1) with thirty-two new rivets (8).
3. Install four plates (6) on underframe (1) with eight screws (7), new lockwashers (2), and nuts (3).
4. Install four covers (5) on underframe (1) with thirty-two screws (4).
NOTE
• Apply sealing compound to exterior joints for installation.
• Assistant will help with step 5.
5. Install two new seals (13), channels (12), and retainers (14) on underframe (1) with one hundred
twenty-eight screws (15).
15-100
Back to Top
