Perkins 403C-11, Workshop Manual, Page: 40 / 128

3
30 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
Valve depth
To check Operation 3-18
If the valve depth (1) is greater than the service limit, use a new valve to check the valve depth.
If the depth still exceeds the service limit, renew the cylinder head. If the depth is within the service limit renew
the valves.
Engine
Depth mm (in)
Inlet standard Exhaust standard Service limit
403C-11 0,65 - 0,95 (0.0256 - 0.0374) 0,85 - 1,15 (0.0335 - 0.0453) 1,8 (0.071)
403C-15 0,85 - 1,15 (0.0335 - 0.0453) 0,85 - 1,15 (0.0335 - 0.0453) 1,8 (0.071)
404C-22
404C-22T
0,65 - 0,95 (0.0256 - 0.0374) 0,65 - 0,95 (0.0256 - 0.0374) 1,8 (0.071)
H1051
1