ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
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<strong>ENGINE</strong> MEASUREMENTS<br />
Rocker shaft assembly<br />
Cylinder head<br />
SPECS<br />
A<br />
B<br />
C<br />
D<br />
Clearance<br />
Shaft to head<br />
Clearance<br />
STD.<br />
(in)<br />
(mm)<br />
0.4724~0.4731<br />
(12.000~12.018)<br />
0.4711~0.4718<br />
(11.966~11.984)<br />
0.4724~0.4731<br />
(12.000~12.018)<br />
0.0006~0.0020<br />
0.0006~0.0020<br />
(0.016~0.052) (0.016~0.052)<br />
LIMIT<br />
(in)<br />
(mm)<br />
0.4748<br />
0.4704<br />
(12.060) (11.950)<br />
0.4746<br />
(12.055)<br />
0.0039<br />
0.0041<br />
(0.100) (0.105)<br />
C<br />
C<br />
Measure each position<br />
o<br />
in 2 places 90 apart<br />
Fan side<br />
B<br />
1<br />
B<br />
2<br />
Rocker shaft<br />
B<br />
B<br />
1<br />
A<br />
A 2<br />
(Shaft/arm clearance)<br />
D<br />
Fig. C-10 Rocker Shaft, Arms, and Bearing Bores<br />
Engine Shop Rebuild and Parts Manual<br />
Page C-11
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