Alfa Romeo 33 owners manual page 46

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 Cylinder wall to piston play them with oil. Select bearings accord- Standard 0.03 + 0.05 mm ing to the diameter of crankshaft (0.0012+ 0.0020 in) journals. Oversize 0.03 + 0.06 mm - (0.0012 + 0.0024 in) 2. Apply engine oilto piston pin, to the connecting rod small end, and to the piston pin supports. 3. Fit the connecting rod‘small end between the piston pin supports ensuringthat holes are perfectly aligned in order to allow proper (2) Fit thrust half-rings on the piston pin fit. relevant seat obtained in the third 4. Fit the piston pin@ into the main bearings support. piston @ and connecting rod 0, Make sure that these half-rings are and then lock it with two spring CRANKSHAFT fitted with oil channels facing the rings 0. crankshaft shoulders. a. PoSition pistons so that the arrow stamped on theircr0w.n 1. Fit rear bushing and oil pump drive gear on the crankshaft. points in the direction of engine (1) Fit the crankshaft rear bush- rotation, namely: upward for ing 0 by means of tool A.3.0450. the right head pistons and” (2) Heat the oil pump and distribu- downward for the left head pistons. tor drive gear to150°C (302°F). (3) Shrink the gear@ on the b. Fit connecting rods in the crankshaft positioning it so that the pistons so that the position of matching identification numbersaxis of the flywheel centering dowel and the front surface of one of and arrows corresponds to that the gear’s form the specified angle. shown in the below Figure.(3) Place crankshaft on main bearing supports. Positioning of crankshaft rear gear2. Fit main bearing caps on cylin- a = 22°+2~o der block, (1) Fit main bearings to main bearing caps and lubricate them with oil. Connecting rod 1 Bush 2 Pump drive gear Piston pin Spring ring Left head piston (No. 2 and4) Right head piston (No. 1 and3) With the help of a suitable special pliers, fit piston rings in the piston seat making sure that the marking stamped on the flat surface a of the rings faces upwards. (2) Fit main bearing caps: front @ MARKING (see markings), centre@, and rear 0, fitted with relevant bear- ings,on cylinder block supports. Coat supports with engine oil and ENGINE UNIT tighten oiled screws without fully locking them. 1. Fit crankshaft on cylinder block.(3) Tighten screws securing the main bearing caps to the relevant cylinder (1) Fit main bearings on relevant main bearings supports andlubricate block supports in two or three 01-25 May 1983

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