Cyl. Block, Liners, Pistons & Rods/Piston CTM3274 (01JUL99) 10-28 Saran Liter Engines 060799 PN=89 MEASURE PISTON PIN BORE SPECIFICATIONS Bore for small pin . . . . . . . . . . . . . . . . . . . 32.003—32.013 mm (1.2600—1.2603 in.) -UN-03AUG92 Bore for medium pin . . . . . . . . . . . . . . . . . 34.933—34.943 mm (1.3753—1.3757 in.) Bore for large pin . . . . . . . . . . . . . . . . . . . 41.285—41.295 mm (1.6254—1.6258 in.) NOTE: Some piston pin bores are elliptical, the width RG6283 being 0.038 mm (0.0015 in.) larger than the bore specifications. If bore is not within specifications, replace piston/liner set.
CD,3274,G10,50 -19-04JAN99 10 28 PISTON TOP RING GROOVE Depending on engine configuration, two wear gauges can be used to check wear of top compression ring groove. -UN-31OCT97 • Use JDE62 wear gauge (for 15˚ angle): on engines for following applications 3029DF001, DF031 3029TF001, TF031 ( -264812CD) 3029DF120, DF160 ( -263023CD) RG4746 3029TF120, TF160 ( -287525CD) 3029TLV01 ( -261580CD) 3029DRT65 A—Piston can be used again • Use JDG957 wear gauge (for 6˚ angle): B—Discard piston and replace on all other engines C—JDG957 or JDE62 Gauge D—Tool shoulder-to-ring land clearance CD,3274,G10,6 -19-04JAN99