Removing
1. Remove the air filter.
2. Loosen the bolts 2 fastening the pulley 1 of the cooling system pump (see fig.4.12).
Pic. 4.12. Crankshaft groove pulley:
1. Coolant pump pulley,
2. Bolt,
3. Groove pulley (engines 601.942),
4. Groove pulley (engines 601.970),
5. Gasket,
6. Central bolt,
7. Locking device.
3. Remove the alternator drive belt.
4. Remove a pulley of 1 pump of system of cooling.
5. Set the piston of the first cylinder to TDC by rotating the crankshaft. The key must be installed upwards.
6. Install the blocking device 7 on the ring gear of the flywheel.
7. Unscrew the central bolt 6 with gasket 5.
8. Remove the grooved crankshaft pulley with damper 3 or 4. Check the ovality and deformation of the pulley.
- Permissible ovality of the pulley: 0.5 mm.
- Permissible pulley deformation: 0.3 mm.
Installation
9. Installation is made in an order, the return to removal. Before installing the gasket 5 and the central bolt 6, they must be lubricated with engine oil.