Alfa Romeo 33 owners manual page 245

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

WHEELS AND TIRES WHEEL SCREW Be careful notto smear threaded portion of screw not relevant seat @-Fc with oil or grease. CAUTION: Two types of wheel screws are used: one is designed for use with steel wheels and the other for use with light alloy wheels. Do not mix different type wheel screws. 1 Screw for light alloy type wheels 2 Screw for steel type wheels CHECKING WHEEL CONDITIONS it taking the following points into Inspect wheels thoroughly paying 4. Lock rear wheels by means of consideration: special attention to the following two wedges, one for each wheel. 1. Correct unbalance as soonas points, in order to ensure satisfactory 5. Set up balancing machine and relevant symptoms appear such as steering condition as well as maxi- auxiliary equipment; make sure indi- wheel tramp and shimmy. mum tire life. If any defect is pres- cating finger is placed under suspen- 2. Balance wheel with tire both ent, repair or replace as required. sion’s cross arm and in line with the statically and dynamically. arm-wheel support joint. 1. Check wheel rim, especially rim 6. Start up the engine, engage 4th flange and bead set, for rust, dis- WHEEL BALANCING speed and then rev engine up to max. tortion, cracks or other faults which PROCEDURE speed as per speedometer reading. might cause air leaks. Proper func- 7. Perform wheel balancing accord- tioning of tubeless tires depends on ing to usual “Equitron” type balanc- effective sealing between tire bead ing machine procedure. and wheel rim. CAUTION: 2. Thoroughly remove rust, dust, Considering the special construction oxidixed rubber or sand from wheel features of the differential assembly, Rear wheels rim. it is imperative that balancing of Rim’s bead seats should be suitably 1. Lock front wheels by means of wheels - especially of front ones- two wedges, one for each wheel. cleaned (for ex. using neutral type be performed according to the detergent, cloth, etc.) being careful 2. Lift car rear, inserting jack under procedure hereafter described in axle. Position two stands incorre- not to damage the wheel surface’s order to avoidserious damage. protecting film. spondance with stand rear seats and 3. Replace wheel when any of the then lower the car. 3. Set up balancing machine and following occurs: auxiliaryequipment; make sure . Bent, dented or heavily rusted Front wheels probe is placed under the suspension wheel 1. Lift car front with a dolly-type . spring. Let the wheel rotate by Bolt holes are out-of-round hydraulic jack placing same under . means of a wheel accelerator device, Excessive side or radialrunout relevant lifting point (Refer to: . then carry out balancing operations Air leaks through welds Lifting Points for jacking up). with the modalities for balancing 2. Place two stands in line with machine of the.“Equitron” type. front jacking points located under WHEEL BALANCE car body. 3. Lower car till it rests on stands but locking the jack as well (thus Inspect wheel and tire for proper achieving a three-point support). wheel balance; if unbalanced, correct May 1983 28-4

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