TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 1003 of 1337
TM 9-2320-260-20
13-13. BOLSTER MIDWINCH DRIVECHAIN AND SPROCKETS MAINTENANCE
THIS TASK COVERS:
a. Drivechain Removal
d. Sprockets Installation
b. Sprockets Removal
e. Drivechain Installation
c. Cleaning and Inspection
f. Drivechain Adjustment
INITIAL SETUP
APPLICABLE MODELS
EQUIPMENT CONDITION
M815
Parking brake set (TM 9-2320-260-10).
MATERIALS/PARTS
GENERAL SAFETY INSTRUCTIONS
Two locknuts
Keep fire extinguisher nearby when using
Four cotter pins
drycleaning solvent.
Two woodruff keys
Drycleaning solvent (Appendix C, Item 29)
Rags (Appendix C, Item 22)
REFERENCES (TM)
LO 9-2320-260-12
TM 9-2320-260-10
TM 9-2320-260-20P
1. Rotate drivechain (15) to gain access to master link (19).
2. Remove two cotter pins (17), cap (18), master link (19), and dnvechain (15) from midwinch
sprocket (1) and propeller shaft sprocket (10). Discard cotter pins (17).
I
b. Sprockets Removal
1. Remove two locknuts (8) and screws (14) from sleeve bearing (11) and support bracket (16). Discard
locknuts (8).
2. Remove lubrication fitting (13) and remove woodruff key (5), collar
(12),
and sleeve bearing (11) from
propeller shaft (7). Discard woodruff key (5).
3. Remove setscrew (9) and remove propeller shaft sprocket (10) and woodruff key (6) from propeller
shaft (7). Discard woodruff key (6).
4. Remove two cotter pins (3), shearpin (2), and midwinch sprocket (1) from midwinch shaft (4).
Discard cotter pins (3).
c. Cleaning and Inspection
WARNING
Drycleaning solvent is flammable and will not be used near open
flame. Use only in well-ventilated places. Failure to do so may
result in injury to personnel. Keep fire extinguisher nearby when
using drycleaning solvent.
1. Clean drivechain (15) and sprockets (1) and (10) with drycleaning solvent. Dry drivechain (15), and
spockets (1) and (10) with a clean rag.
2. Inspect all parts for wear and damage. Replace parts if worn or damaged.
13-30
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