1
Cotter pin
7
Lockwasher
13
Setscrew
2
Pivot pin
8
Capscrew
14
Retaining ring
3
Support bracket
9
Frame
15
Retaining ring
4
Setscrew
10
Bearing
16
Pin
5
Drive unit
11
Bearing
17
Axle
6
Nut
12
Setscrew
18
Wheel assembly
Figure 29. Fifth wheel assembly.
en weldments. Repair or replace as necessary.
(3) Inspect bitumeter drive cable drive head, and tachometer head for damage. Repair or replace as
necessary.
(4) Inspect the outside of the tire for checking and cracking. Pry apart the bends, and check the inside
of the tire for breaks. Replace a tire with broken cords.
(5) Inflate the tube, submerge it in water, and check for leaks. If the tube is badly checked or ripped,
replace it.
(6) Check the valve stem for damaged threads. Inflate the tube, replace the valve core and place a
drop of water on top of the valve stem to check the valve core for leakage. Replace a defective
valve core.
(7) Inspect all hardware and spring for damage. Repair or replace as necessary.
d. Assembly.
(1) Install the tire and tube.
(2) Install the bearing supports (10, fig.29) on both sides of the frame (9).
(3) Insert the axle shaft (17) into the bearing (10) and drive it through the wheel assembly.
AGO 6871A
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