TM 9-2320361-20 11-22. CAB TUNNEL, REAR TUNNEL, AND TOEBOARD REPLACEMENT This task covers: a. Tunnel Removal d. Toeboard Installation b. Rear Tunnel Removal e. Rear Tunnel Installation c. Toeboard Removal f. Tunnel Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Twenty-nine lockwashers EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Companion seat removed (para. 11-26). a. Tunnel Removal Remove thirteen screws (3), lockwashers (4), washers (5), and tunnel (2) from rear tunnel (6), toeboard (1), and cab floor (7). Discard lockwashers (4). b. Rear Tunnel Removal Remove eight screws (3), lockwashers (4), washers (5), and rear tunnel (6) from cab floor (7). Discard lockwashers (4). c. Toeboard Removal Remove eight screws (3), lockwashers (4), washers (5), and toeboard (1) from cab floor (7). Discard lockwashers (4). d. Toeboard Installation Install toeboard (1) on cab floor (7) with eight washers (5), new lockwashers (4), and screws (3). e. Rear Tunnel Installation Install rear tunnel (6) on cab floor (7) with eight washers (5), new lockwashers (4), and screws (3). f. Tunnel Installation Install tunnel (2) on rear tunnel (6), toeboard (1), and cab floor (7) with thirteen washers (5), new lockwashers (4), and screws (3). 11-36