SAFARI

ENGINE 34 VACUUM PUMP: Piston diameter 70 mm Stroke 30 + 0 1 mm Total displacement 115.5 cm 3 Delivery at engine speed of 2800 rpm 162 Litre/min. Standard and Repair sizes of sleeve bore & piston: Dimension in mm Bore diameter Piston stamped size Piston stamped size (Cast Iron) (Aluminium) 69.995/69.985 69.97 69.92 70.005/69.995 69.98 69.93 70.015/70.005 69.99 69.94 Choose correct 70.070/70.060 70.04 69.99 sleeve size 70.080/70.070 70.05 70.00 and piston 70.090/70.080 70.06 70.01 stamped size 70.120/70.110 70.09 70 04 70.130/70.120 70.10 70.05 70.140/70.130 70.11 70.06 VACUUM PUMP PISTON RINGS : Dimension in mm : Groove Piston ring Width of ring Lateral Butt clearance designation groove clearance (India Pistons Ltd ) (Goetze India Ltd.) 1 Taper face 2.5 + 0.020 0.010-0.042 0.25-040 0.25-0.45 compression ring 2 Taper face 2.5 + 0.020 0.010-0.042 025-0.40 0.25-0.45 compression ring 3 Scraper ring 3.0 + 0.020 0.010-0.042 0.30-0.45 0.20-0.45 4 Oil control ring 4.0 + 0.020 0.010-0.042 0.25-0.50 0.02-0 45 Vacuum pump-piston pin outer dia 16.016/16.011 mm Vacuum pump bore dia in piston for pin Cast iron piston 16.046/16.041 mm Aluminium piston 16.0235/16.0185 mm Piston pin clearance in con-rod bush 0.009/0.024 mm Piston pin clearance in piston Cast iron piston 0.025 to 0.035 mm Aluminium piston 0.0025 to 0.0125 mm Connecting rod big end parent bore 35.016/35.000 mm