owners manual Alfa Romeo 33

owners manual Alfa Romeo 33 - year of production: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Alfa Romeo 33 owners manual EN

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text version of content this owner's manual page from owners manual to the vehicle Alfa Romeo 33, year of production 1983 - 1995:

ENGINE MAIN MECHANICAL UNIT SPRINGS cup’s nut is intact and that the cup Visually check the springs for cracks has retained its original punching and make sure they are not out-of- position. square if the evidenced flaws suggest CAUTION: it, check the technical data of the Do not remove the valve clearance inner and outer springs and then with adjusting screw from the cup. a dynamometer verify that their lenght under load falls within the values shown in the following table: VALVES Check and make sure that valves do not show any scores, burns or evidence of sticking with their corresponding cylinder head seats 425.32 + 452.76 (forming a step); if they do, replace (43.4 + 46.2: them. Load N 95.68 + 101.85) (kg ; lb) 194.53 + 208.25 (19.85+21.25; 43.76 + 46.85) I I CAMSHAFT SUPPORT Length I 0. I 25.25 (0.9941) under 1. Visually check the seats of load camshaft cups and journals for scores i. 23.25 (0.9153) and for any evidence of pitting or mm (in) 1 Diameter of camshaft bearings abnormal wear. Front = 35.015+ 35.040 mm (1) Reset reamer to testing di- 0. = outer spring (1.3785 + 1.3795 in) i. = inner spring mension. Centre = 46.500+ 46.525 mm (I.8307 + 1.6317 in) Rear = 47.000+ 47.025 mm (1.8504 + 1.8514 in) (3) Following the same procedure, measure the diameter of the four cup seats and determine the relevant fitting play. Diameter of cup seats 36.00 + 36.025m m (1.4173 + 1.4183 in) Max. cup-to-seat play 0.1 mm (0.0039 in) CAMSHAFT 1. Carefully examine working sur- faces of cams and of camshaft journals making sure that there are no scores, no evidence of seizure, S overheating or abnormal wear. 2. With a micrometer measure the CUPS diameter of camshaft journals. Check that the outer surface of the cups as well as the upper surface on (2) Measure the diameter of cam- which cams work, show no scores, no shaft bearings. evidence of pitting or Abnormal wear. Further verify that-calking of- the May 1983 0 l-20

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year of production from: 1983

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