Volvo MD22L Owner's Manual download pdf (Page 26)

Repace the v-belt. Loosen the alternator mounting

bolts 1 and 2 and slip off the belt. Clean the belt

groove on the pulley before fitting the new belt.

Tension the belt in such a way that it can be de-

pressed 10 mm

(3/8") between the pulleys. After a few hours of

running recheck the belt tension and adjust if neces-

sary. The most accurate belt tension can be objected

if belt is adjusted while warm and flexible after engine

has been run.

Service every other season

Checking the overhead camshaft drive belt. The

toothed drive belt which drives the camshaft should

be checked and adjusted by an authorized workshop.

Cleaning the crankcase ventilation

WARNING! Remove the battery leads before

carrying out work.

1. Remove the starter motor.

2. Loosen the connecting hoses.

3. Loosen the oil filler pipe’s fastening bolts and

remove the oil filler pipe. Remove the ventilation

valve (1) from the oil filler pipe.

4. Stick some water-resistant tape over the small

hole (2) in the ventilation valve.

5. Clean the ventilation valve and oil filler pipe with

paraffin and blow dry using low-pressure com-

pressed air. Remove the tape from the venting

valve.

6. Check that the sealing surfaces between the filler

pipe and engine block are clean.

7. Fit the ventilation valve on the oil filler pipe and

install the oil filler pipe to the engine using a new

gasket.

8. Fit the connecting hoses.

9. Fit the starter motor and connect the electrical

cables.

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Volvo MD22L Owner's Manual Page 26