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05_228
05_229
05_230
05_227
- Remove the central screw
- Install the valve lifter counterweight paying attention
to correctly position the stop ring.
- Oil the decompressor counterweight control pin
- Assemble the return spring. Load it by about 3/4 of a
turn.
- Fit the chain on the camshaft timing gear
- Fit the timing gear on the camshaft, aligning the
reference marks.
N.B.: During the timing check, keep the chain tensioned
by pressing from the tightener compartment side.
- Assemble the counterweight
- Center it by means of the bell fixing screws.
- Tighten the counterweight fixing screw to the pre-
scribed torque. Apply LOCTITE 242.
Tightening torque:
Counterweight fixing screw: 7 - 8.5 N·m
Thermal unit and timing system
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