TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 823 of 1337
TM 9-2320-260-20
11-34. DRIVER’S SEAT CUSHION, BACKREST, FRAME, AND SEAT ADJUSTER
REPLACEMENT
THIS TASK COVERS:
a. Cushion Removal
e. Adjuster Installation
b. Backrest Removal
f. Frame Installation
c. Frame Removal
g. Backrest Installation
d. Adjuster Removal
h. Cushion Installation
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-260-10
MATERIALS/PARTS
TM 9-2320-260-20P
Eight locknuts
EQUIPMENT CONDITION
Six lockwashers
Parking brake set (TM 9-2320-260-10).
Remove four screws (14), lockwashers ( 15), two seat cushion brackets (16), and washers (13) from seat
cushion (17) and seat frame (3). Remove seat cushion (17) from seat frame (3). Discard lockwashers (15).
1.
Remove two screws (6), lockwashers (5), and clips (4) from seat backrest (1) and seat frame (3).
Discard lockwashers (5).
2. Remove four screws (7), backrest (l), and plate (2) from seat frame (3).
Remove four locknuts (8) and seat frame (3) from seat adjusters (11). Discard locknuts (8).
Remove four locknuts (10), two seat adjusters (11), and release wire (12) from seat base (9). Discard
locknuts (10).
I
e. Adjuster Installation
I
Install two seat adjusters (11) and release wire (12) on seat base (9) with four new locknuts (10).
I
f. Frame Installation
I
Install seat frame (3) on seat adjusters (11) with four new locknuts (8).
1.
Install plate (2) and backrest (1) on seat frame (3) with four screws (7).
2. Install two clips (4), two new lockwashers (5), and screws (6) on seat frame (3) and seat backrest (1).
I
h. Cushion Installation
1
Install two seat cushion brackets (16), two washers (13), and seat cushion (17) on seat frame (3) with four
screws (14) and new lockwashers (15).
11-64
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