TRUCK SERVICE MANUAL
ENGINE
CamFollower
Group 4
Cam followers are used in the 855 C.I.D. Engines to transmit
movement from the camshaft lobes through push tubes and
rocker levers to actuate injectors and valves.
1.
Shaft
5.
Cam Roller Pins
9. Exhaust Push Tube
2.
Bushing
6.
Housing
10. Injector Push Tube
3.
Injector Cam Roller
7.
Shaft Plug
11. Intake Push Tube
4.
Valve Cam Roller
8.
Insert
Fig. 4-1, (N10419). Cam followers and push tubes
Table 4-1: Specifications - Inch [mm]
Ref.
Worn
New
New
No.
Measurement
Limit
Minimum
Maximum
1.
Shaft
Outside Diameter (1)
0.748
0.7485
0.749
[19.00]
[19.012]
[19.02]
2.
Bushing
Inside Diameter
(2)
0.7515
0.7495
0.7505
[19.088]
[19.037]
[19.063]
3.
Injector Cam Roller
Inside Diameter
(3)
0.505
0.503
0.504
[12.831
[12.78]
[12.80]
Outside Diameter (4)
1.247
1.249
1.251
[31.67]
[31.72]
[31.78]
4.
Valve Cam Rollers
Inside Diameter
0.503
0.5005
0.5015
[12.78]
[12.713]
[12.738]
Outside Diameter
1.247
1.249
1.250
[31.67]
[31.72]
[31.75]
5.
Cam Roller Pins
Outside Diameter
0.497
0.4995
0.500
[12.621
[12.687]
[12.70]
366