1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 526Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 526

TIMING CHAINSPROCKETS and FUEL PUMP ECCENTRIC REMOVAL 1Remov cy lin er loc fr ont cover2lide off ranksh ft front oi l 3Check
are cor d, repl gears FUEL PUMP ECCEN TRi C CL EANING C lea fuel pump eccentr ic 1:1 so lv ent and dry wit eompre sed ai
rINSP ECTIO N F igure 5Ch ec kiil Timing Chain De flect ion wi til fingers a;;o measure tw een ref rencc point and ch ainThe
defLc: ion is difference be:ween the meas urementsIf defl ection exceed reDIae timing cha in and prockcL [n peet fu pum dri
eccent:-i:: for sco renicks and exce ssive wcarReplace if score d T IMI NG CHAIN DEFLECT ION 1Ho ta te cran ks haft in c!o
kwise di!cction (as ie wed from frontto take lp slack on :c ft side of ch ain2Estab li !"e fercnce Do:n on cyl in de biock
and mea Ilre from thi point inF:gur 5) 3Rotate crankshaft i!: P?osi'e to take up lack on riallt cha in orce ide of hain Ollt
INSTA LAT ION 1Position Ofocct$ a"Jc t:::1i:1g eh"in on cam (Figure 6) Be sure tha ,narks on srockets positi oned as sho