VALVE GP-CONTROL 1U2158 - Caterpillar

Illustration 1 g03758138
Illustration 2 g03761879
Table 1
Specification for 431-4117 Camshaft    
Item    Qty    Part    Specification Description    
1     5     438-0901 Bolts     Tighten to
20 2 N m (177 18 lb in) in the following sequence 1-2-3-4-5.
Tighten bolts again to
20 2 N m (177 18 lb in) the following sequence 1-3-5-2-4    
2     4     438-0903 Bolts     Tighten to
25 1.25 N m (220 11 b in )
Turn the bolts an addition 45 5 degrees    
3     3     431-4124 Sealing Plate     Tighten to
23 2 N m (204 18 lb in)    
4     3     438-0914 Bolt     Tighten to
23 2 N m (204 18 lb in)    
Illustration 3 g03331247
Table 2
Item     Qty     Part     Specification Description    
-     -     -     Use the following procedure in order to determine the actual camshaft lobe lift:
1. Measure camshaft lobe height (C).
2. Measure base circle (D).
3. Subtract the base circle (D) from the camshaft lobe height (C). The difference is the actual camshaft lobe lift.    
B     -     -     Specified camshaft lobe lift for:
Inlet lobe is
7.4034 mm (0.2915 inch).
Exhaust lobe is
8.2108 mm (0.3233 inch).