Camshaft gear
Removing
1. Remove the timing belt (see Section Removing and installing timing belt).
2. Block the camshaft from turning when the central bolt of its gear is released. Make from two pieces of steel plates (one long and one short) and three bolts with nuts fork device to hold the wheel. Use one bolt as an axial one, fasten the other two at the ends of the fork - they are engaged with the holes in the gear wheel. Alternatively, you can remove the timing cover (see Section Removal and installation of a cover of the gas-distributing mechanism) and hold the shaft with an open-end wrench by the flats.
Locking the camshaft against rotation with a fork lock (alternatively, you can remove the timing cover and block the shaft by the flats with an open-end wrench)
3. Turn out the central bolt and remove it from a shaft together with a washer. Remove the gear. Check the fit in the trunnion of the wheel locating pin - if necessary, remove the pin and put it in a safe place.
Installation
1. Before installation check up a condition of an epiploon of a camshaft. If there are signs of leakage or signs of wear, replace the seal (see Section Camshaft oil seal replacement).
2. Place the gear wheel on the shaft trunnion, - make sure that the fixing pin fits into the receiving hole on the wheel.
When landing the gear, make sure that the locating pin enters the receiving hole
3. Screw in the central bolt with the washer put on it and tighten it with the required force, keeping the shaft from turning in one of the ways described in paragraph 2.
Tightening the central bolt of the camshaft gear (the shaft is kept from turning by the flats, - the timing cover is removed)
4. Install the timing belt (see Section Removing and installing timing belt), then - if removed - install the timing cover (see Section Removal and installation of a cover of the gas-distributing mechanism).
Crankshaft gear
Removing
1. Remove the timing belt (see Section Removing and installing timing belt).
2. Remove the gear wheel from the crankshaft trunnion - try to remember which side the wheel was installed on.
3. Check the fit in your keyway - if necessary, remove the key and store it in a safe place.
Installation
1. If removed, install the key in the groove in the crankshaft trunnion.
2. After making sure that the key enters the keyway, seat the gear wheel on the shaft trunnion with the TDC mark outward.
3. Install the timing belt (see Section Removing and installing timing belt).
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