TM-9-2320-260-34-1
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2
JULY 1994
TM-9-2320-260-34-1 - Page 318 of 657
TM 9-2320-260-34-1
4-4. ROTOCHAMBER REPLACEMENT(M816)
THIS TASK COVERS:
a. Removal
c.
Adjustment
b. Installation
INITIAL SETUP
APPLICABLE MODELS
M816
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
MATERIALS/PARTS
Locknut (Appendix D, Item 167)
Two lockwashers (Appendix D, Item 217)
Two lockwashers (Appendix D, Item 229)
MATERIALS/PARTS (Contd)
Cotter pin (Appendix D, Item 21)
Woodruff key (Appendix D, Item 546)
Cotter pin (Appendix D, Item 19)
REFERENCES (TM)
TM 9-2320-260-20
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
Cab tunnel covers removed (TM 9-2320-260-20).
1.
Disconnect air line (21) from rotochamber (10).
2. Remove two nuts (5) and lockwashers (4) from two studs (9). Discard lockwashers (4).
3. Remove cotter pin (8) and pin (6) from clevis (7). Discard cotter pin (8).
4.
Remove rotochamber (10) from lever (15) and bracket (1).
5. Remove two screws (3), lockwashers (2), and bracket (1) from transmission (22). Discard
lockwashers (2).
6. Remove cotter pin (19), washer (18), and lever (15) from shaft (12). Discard cotter pin (19).
7. Remove locknut (14) and screw (20) from lever (13). Discard locknut (14).
8. Remove lever (13) and woodruff key (11) from shaft (12). Discard woodruff key (11).
1. Install new woodruff key (11) and lever (13) on shaft (12) with screw (20) and new locknut (14).
2. Install lever (15) on shaft (12) with washer (18) and new cotter pin (19).
3. Install bracket (1) on transmission (22) with two new lockwashers (2) and screws (3).
4. Position studs (9) of rotochamber (10) through bracket (1) and install with two new lockwashers (4)
and nuts (5).
5. Connect lever (15) to clevis (7) with pin (6) and new cotter pin (8).
6. Connect air line (21) to rotochamber (10).
c. Adjustment
NOTE
Assistant is required for adjustment.
1. With clutch pedal depressed, jamnut (17) loosened, and setscrew (16) in retracted position, apply air
pressure to rotochamber (10).
2. Adjust setscrew (16) to 0.094-0.250 in. (0.239-0.635 cm) clearance from lever (13) and tighten
jamnut (17).
3. Release clutch pedal and air pressure.
4-6
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