Detroit Diesel 4000 Series, Service Manual, Page: 457 / 2706

SERIES 4000 12/16V SERVICE MANUAL
To avoid injury while handling ’HOT’ components, wear
protective gloves and clothing.
11. Heat crankshaft gear, fan end, with heating unit to approximately 180 C
(356 F). See Figure 237.
Figure 237 Calculating Force-On Distance
12. Install heated crankshaft gear on crankshaft. See Figure 237.
13. Calculate force-on distance (A) by measuring distance from end surface of crankshaft to
end surface of crankshaft gear with depth gage. See Figure 237.
14. Force-on depth (A) measured from face of crankshaft to surface of crankshaft gear is
145.2 — 145.8 mm (5.7165 — 5.7402 in.). See Figure 237.
15. When the components have cooled, lubricate crankshaft gear with engine oil.
16. Coat O-ring with petroleum jelly and fit in groove on crankshaft. See Figure 237.
All information subject to change without notice.
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