Perkins 103-13 - Valve Stem Diameter and Thickness of Valve Head

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Workshop Manual, TPD 1377E, issue 4 41
100 Series
Valve stem diameter and thickness of valve head
To inspect Operation 3-17
Valve head thickness
If the valve head thickness is less than the service limit, renew the valve.
Valve stem diameter
Check the valve stem for excessive wear or damage. If found to be excessively worn or damaged, renew the
valve.
Check the valve stem diameters at positions (B1), (B2) and (B3) with a micrometer. If the diameter is less than
the service limit, renew the valve.
Intake valve
Exhaust valve
Thickness (A1) mm (in)
Standard Service limit
0,925 - 1,075 (0.03642 - 0.04232) 0,5 (0,020) max
Engine model
Diameter mm (in)
Standard Service limit
102-05, 103-07 5,960 - 5,975 (0.23464 - 0.23524) 5,9 (0.232)
103-10, 103-13, 103-15, 104-19, 104-22 6,955 - 6,970 (0.27382 - 0.27441) 6,89 (0.271)
Engine model
Diameter mm (in)
Standard Service limit
102-05, 103-07 5,940 - 5,955 (0.23386 - 0.23445) 5,9 (0.232)
103-10, 103-13, 103-15, 104-19, 104-22 6,940 - 6,950 (0.27323 - 0.27362) 6,84 (0.269)
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