SAFARI

ENGINE 20 Engine Repair Data Fig. 1 B D C A Cylinder Block : Pressure test cylinder block for leakages of water at a temperature of and at 70 0 to 80 0 C a pressure of 5 bar Height of cylinder block dimension ‘A’ and ‘B’. Fig. 1. 290.50-290.40 mm Permissible maximum machining allowance on cylinder block. 0.2 mm Permissible unevenness — In longitudinal direction ‘C’ 0.03 mm In crosswise direction ‘D’. Fig. 1. 0.00 mm Maximum permissible out of parallels cyl. block upper & lower machined faces 0.2 mm Parent bore in cyl. block for liner ‘A’. Fig. 2. 100.035/100.000 mm Liner outer dia 100 095/100 065 mm Interference between cyl. liner & parent bore in block 0 030-0 095 mm Liner inner dia 96.150/95.850 mm Cylinder bore to be finished to size ‘B’ 97.000 + 0.01 mm Maximum permissible taper and ovality of finished bore 0.01 mm Maximum permissible shift in perpendicularity of cyl. bore from crankshaft axis 0.04 mm when checked at 200 mm from crankshaft axis. Surface finish of cylinder bore 0.003-0.005 mm