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
