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 />
B 1<br />
B 2<br />
A B C<br />
Crankcase and Endcover<br />
Measure each bore<br />
o<br />
in 2 places 90 apart<br />
Cutaway view of crankcase and endcover through<br />
crankshaft bearing bores<br />
Recommended press<br />
fits:<br />
(in)<br />
(mm)<br />
SPECS<br />
Ball bearings onto<br />
crankshaft<br />
A<br />
(0.00024~0.00067)<br />
(0.006~0.017)<br />
B<br />
Ball bearings into<br />
crankcase<br />
(0.00067~0.0024)<br />
(0.017~0.060)<br />
C<br />
Measure each position<br />
o<br />
in 2 places 90 apart<br />
E 1<br />
STD.<br />
(in)<br />
(mm)<br />
2.4386~2.4398 2.8347~2.8359<br />
(61.940~61.970) (72.002~72.032)<br />
2.8322~2.8334<br />
(71.938~71.968)<br />
E 2<br />
LIMIT<br />
(in)<br />
(mm)<br />
2.4405 2.8370 2.8340<br />
(61.99)<br />
(72.06)<br />
( 71.985)<br />
SPECS<br />
A B C D<br />
E<br />
G<br />
F<br />
STD.<br />
(in)<br />
(mm)<br />
1.3767~1.3774 1.3774~1.3778<br />
(34.968~34.985) (34.986~34.997)<br />
1.3782~1.3786<br />
(35.006~35.017)<br />
Crankshaft<br />
LIMIT<br />
(in)<br />
(mm)<br />
1.3757<br />
(34.945)<br />
1.3771<br />
(34.980)<br />
1.3779<br />
(35.001)<br />
(seal) H<br />
G<br />
Plug)<br />
F<br />
E<br />
J<br />
(seal)<br />
A B C D<br />
Fig. C-4 Crankshaft Journals and Gear, and Bearing Bores<br />
Engine Shop Rebuild and Parts Manual<br />
Page C-5
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