Up one chapter


view larger image

Begin OCR Text:
_ ____ P __ANKSHAFT AND _EA_lNG_ blocl( 8bove the camshaft and transfer the move- The ,,a,_gha_ (q4) _,g made oe d,op-eo,ged gtge_ ment to the VaIVeS by meanS of pUSh fodS and a,d hag g,ou,d a,d çgge-ha,de,gd bea,_,,g __ou,- rocker arms. The are no inspection covers for the ,a_g. _t __g ,a,,_,ed _,, _,_ve ma_,, bea,_,,gg, oe wh_içh valve tappets since they are acceseible from ehe ,ea, o,e a_go Fu,,e_,o,g ag a p_,_oe bea,__,g. aboVe aftef the Cylind$r head haS been femoVed. There are drilled oilways in the crankshaft for the Iubricating oil. _oNNE_TlNG RoDS plSToNS The big-end bearing shells, which are replaceable, I consist of a steel backing with indium-plate lead- AND PISTON RINGS bronze bearing metal and Babbit's met8l for th_ The connecting rods (48) are made of drop-forged main bearings, steel and are provided with a pfeçigio,-machi,ed bush which acts as bearing for the gudgeon pin. _A_SHAFT AND vA_vE TAppETS The big-end bearing shells are precisìon-manufac- tured and are replaceable. The CamShaet (45) iS made of SpeCial-alloy Cast _ _,o, a,d h,g çagg-ha,d,,,d çam,. _t _,, d,_,,,, F,,m The pistons (46) are made of light-aIloy and have ehe ç,a,kghaet eh,ough a gea, e,,;, wh;ch h,, , two compression rings and one oil scrap8r ring. ,,d,,t;o, ,,e;o oe _,._. Th, ,,m,ha_ ;, g,;d,d __he upper compression ring is chromed in orderto , aK,aI1y by means of an aK,a_ washer 8t _,e e,on_ reduce cYlinder wear_ end. The end float is determined by a spacing The gudgeon pin (5O) has a floating fit in both _ ring behind the camshaft gear. the piston and connecting rod. The 8Kial move- h _ The valve tappets (26) are actuated directly by- ment of the gudgeon pín is limited by circlips in the camshaft. They are located in holes in the t)_e gudgeon pin hole. 1 2 3 _ _ Fig._. E_gineviewed_romrìght l_i 1. Vacuum hose _ _ 2. Air cleaner _ _ 3. Fuel hose _ 4, Wa_er outIet pipe i ti. Tensioning device _ l_ l 6. Water inIet pípe _ 7. Dynamo jI ' _. EKhaust manifold ,l 9. Oil filter 1O. Drain cock _____ _o g g _ vo_vo6 , 2-2
 
Not associated with Volvo AB Sweden or Volvo Cars of North America