TM-5-3805-254-20-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL VOLUME 2 OF 2

JANUARY 1988

TM-5-3805-254-20-2 - Page 663 of 971

TM 5-3805-254-20-2

DRIVER’S SEAT - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

REMOVAL

WARNING

Drain air from airbrake system before removing fittings to avoid injury to personnel from

compressed air.

1.

Pipe nipple (1)

Air hose (2)

Using 7/16-inch and 9/16-inch open-end

wrenches, unscrew, and take off.

2.

Seat riser (3)

Four nuts (4) and

a.

Using 1/2-inch, 3/8-inch drive socket, 3-inch

lockwashers (5)

extension, and ratchet handle, unscrew, and

take out.

b.

Get rid of lockwashers.

3.

Driver’s seat (6)

Take out.

4.

Floorboards (7)

Four screws (8),

a.

Using 1/2-inch, 3/8-inch drive socket, 3-inch

lockwashers (9),

extension, and ratchet handle, unscrew, and

and washers (10)

take out.

b.

Get rid of lockwashers.

5.

Seat riser (3)

Take out.

INSTALLATION

6.

Floorboards (7)

Seat riser (3)

Put in place.

7.

Four screws (8), new

Screw in and tighten using 1/2-inch, 3/8-inch

lockwashers (9), and

drive socket, 3-inch extension, and ratchet

washers (10)

handle.

8.

Seat riser (3)

Driver’s seat (6)

Put in place.

9.

Four nuts (4) and

Screw in and tighten, using 1/2-inch, 3/8-inch

new lockwashers (5)

drive socket, 3-inch extension, and ratchet

handle.

10.

Pipe nipple (1)

Air hose (2)

Screw on and tighten using 7/16-inch and 9/16-

inch open-end wrenches.

Change 1

2-1274.2