1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 440Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 440

OIL PAN REMOVA L 1Remove atta hi ng sc rews2Di lo dge pan fro cy linde lock aod remove INSTAL ATION 2In tall oil pan gasket
or wear2In pec oil pump gear for excessive wear or da mage (v'OTE: If cle arance be tween th pinion and pump body is ov er
.008" (0.2mm ), ch an.ge dri pin ion, sh aft and idle gearplinc and for 100 fit in ousing4Ch eck cover partin face and re
urfac the fa ce if worn or co redJ In ase of in uffi cient oi press ur heck conditio of II and cat and replace re ure regulator
spring 3Ch shaft fo condition f 1R emove oil pan2Remove atta ching bolts fr om cylinder bl ock nd r(':m ove oil pum p R EASSEM
BLig ure 1) pi ni on and shaft nd idl gear in pump bod :2 Insta ll re ul to sprin g, ba ll nd seal in pump body Compress
gu la tor prin" an ins tall cove rTi hte rews evenl prev nt distortion4Che th ha ft turn freely fter rea sembI), 1In sta
I! dri DISASSEMBL"60" 1Remove pum cov er ltachin screws Be careful whe separa tin cover from body, as press ure re gu la
tor pring, seat an ba ll re und om pre ssionFigure 1) emove dr ive pini on and shaft and idle gear( igure INSTALLAT ION 3