TM 9-2320-272-24-3
4-130. FIFTH WHEEL MAINTENANCE (Contd)
Table 4-10. Fifth Wheel Spring Free Length.
SPRING FREE LENGTH
ITEM
ITEM/POINT OF MEASUREMENT
NO.
MILLIMETERS
INCHES
2
Locking
plunger spring
7.25
184.2
5
Plunger
rack latch spring
2.0625
52.388
12
Handle
spring
6.00
152.4
13
Coupler
jaw spring
2.31
58.674
Table 4-11. Fifth Wheel Wear Limits/Tolerances.
WEAR LIMITS/TOLERANCES
ITEM
ITEM/POINT OF MEASUREMENT
NO.
MILLIMETERS
INCHES
4
Plunger rack - outer diameter
2.874-2.878
73.000-73.101
9
Pivot pin:
Outer diameter
1.47-1.53
37.338-38.862
Length
163.678-167.386
6.444-6.59
10
Cam - inner diameter
27.762-27.915
1.093-1.099
4-687