Mack Trucks MP8 — Mack MP8 Engine Service and Repair Manual PDF (EN)

BEPAIB INSTRUCTIONS, PABT 3 Checking and AdjuslЎng TimЎng Gear Backlash (Camshaft Gear to ldler Gear) i@,- ( _/_-'_=\ Apply the parkЎng bЎакй beloE barЎng thй engЎne ovйr Rйno@ lhй EMS ру@r supPly lъ$ to 4oid slarling lhe engine ъnlntentlonally, lrrake sure lhat the lransmissЎoЎ Ў5 nol Ўn geбr RemoElh€16r€rainingsc@sandsp nqs acd йmove the varve @ef lom rhe cylinder DЎsconn4l lhe wiring harness leads al lhe unil inielors and camshalt sensor cocneclor Plllthe hame$ outlhfouqh lhe 7. Loosen acd fecore rЎ6 six scr€ws sйcu ng lhe vibralion damperand qeariome €mhan. Bemove lhe damper fon the €cshait, but DO NOT rйmw6 сй €mshall 3, FemoE lhe .ompЎe6sor @olanl lines.

Loosйn and rйmow lhй capsrйws s€cu ng theiimhg qear ъer lo the cylЎnder hйбd. Renow lhe liminq qearc@rlrcm lhй eЎgine. lJse care wЎren remding the cder lo abid lhй rubber seals falling inlo lhe llywhee I housinq. Beъde the Ўubber seals lbm rhe cover and dls.ard. 3. lnstalllhe gauqe plalet@1, J 4451{-lA. 6. Usingrhй llywheelturning tool, barlhe enqlne orer manually s lhal lhe camshail is posirioned ar top dйбd @nref (TDc) by aligning lhe TDc mбrkon the ecshaft with thй liming marks on lhe No. 1 oamshatl 9. lnsen$e a iqnmentbolin lhe hole in the liminq gear plale lo engaqe ihe camshбf gйaЎ teeth wlh the rcd ol the toot in the stot of lhe 6lanp tool. Rolale lh€ camshati until