1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 479Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 479

MAIN BEARINGS lain arings arprecIsI ins [.p ilnd not u!ili shim for adiusl ntI learan ere xcessi'ea ne ba rinbo pper nd lower
be at their spe jied torqurtInaddi tion, of crankslraft joumal ar!I nr:aring should be tdpe cl an of oil before heck ing
fi bearinf!s ' aTETo as sure proper 1,' th oi pan and il pump rem ved {s tartin with rear main bea ring}remove bearin cap
nnd wipe oil from journal and bearing cap Pl ce pi ece ga gi plastic flJ II idth o[ hearin (oarai lel to ran haft) on journal(Figure
1) I OT E: Ifor an.y rca.sonmain bearing cap are replac edshimm in.g ma be neee saryLaminal ed hims [ar ea.ch cap rue ava.ilable
[orerviceh.im req uire ment will be determined br be ari.n cl earan ce INSPECTI ON In ge neral (except No bearin g)low half
of beari ng grea ter wear and most di tres from fatio-ue After inspectionif low'r half is uil le for usitan be urn ed th
th ppe ha If 150 is sat is factory If lower half is worn or damagedboth upper and low er halve should be re place d;"ever