2.10.15. Removal and installation of cam-shafts

Result a radiator framework in service position.

Remove an engine casing.

Fig. 2.512. The vacuum pipeline

Disconnect the vacuum pipeline 3 (fig. 2.512).

THE NOTE Water hoses 1 and 2 remain connected (fig. 2.512).

Unscrew bolts 1 and nuts 2.

Unscrew bolts.

Fig. 2.513. Fastening of a cooler of system рециркуляции ОГ

Remove a system cooler рециркуляции ОГ and postpone it with the connected hoses of system of cooling aside (fig. 2.513).

Fig. 2.514. Fastening of an arm of a cooler of system рециркуляции ОГ

Remove an arm of a cooler of system рециркуляции ОГ with ГБЦ (fig. 2.514).

Remove a gear belt.

Take 2х a lock pin.

Unscrew bolts of gear wheels of a cam-shaft.

Fig. 2.491. Installation crankshaftа in position ВМТ

Remove gear wheels of cam-shafts from naves (fig. 2.491).

Fig. 2.515. Untwisting of a fixing bolt of a nave of an inlet cam-shaft

Loosen the a fixing bolt of 1 nave of an inlet cam-shaft, using a countersupport (fig. 2.515).

Fig. 2.516. Untwisting of a fixing bolt of a nave of a final cam-shaft

Loosen the a fixing bolt of 1 nave of a final cam-shaft, using a countersupport (fig. 2.516).

Turn off fixing bolts of naves approximately on 2 turns.

Put to a nave of an inlet cam-shaft a stripper and twist in a nave bolts.

Fig. 2.517. Removal of a nave of an inlet cam-shaft

Remove a nave, keeping шестигранник (SW 30) a stripper and twisting a bolt 1 (fig. 2.517).

Put to a nave of a final cam-shaft a stripper and twist in a nave bolts.

Fig. 2.518. Removal of a nave of a final cam-shaft

Remove a nave, keeping шестигранник (SW 30) a stripper and twisting a bolt 1 (fig. 2.518).

Fig. 2.519. Bolts of fastening of cover ГБЦ

Unscrew bolts 2 and 4 (fig. 2.519).

THE NOTE Bolts 1, 3 and 5 remain twisted.

Remove from cover ГБЦ a ventilation hose картера the engine and a vacuum hose.

Fig. 2.509. An order отворачивания bolts of fastening of cover ГБЦ

Unscrew bolts of cover ГБЦ in sequence 11–1 (fig. 2.509).

Uncover ГБЦ.

Fig. 2.520. Nuts of fastening of blocks of pumps-atomizers

Loosen the counternuts of 2 adjusting screws 1 on all blocks the pump-atomizer (fig. 2.520).

Unscrew adjusting screws so that the corresponding balance weight has nestled on a spring of a pusher of a pump-atomizer.

Unscrew bolts 1, 3 and 5.

Fig. 2.521. An order of easing of bolts of fastening of an axis болансира

Bolts 2 and 4 alternately in some stages loosen the also unscrew (fig. 2.521).

THE NOTE That separate details remained fixed on a shaft, it is not necessary to take out bolts from a balance weight axis. If necessary, mark an arrangement of bolts on the balance weight.

Remove a balance weight axis.

Remove тандемный the pump.

THE NOTE Hoses should remain connected to тандемному to the pump.

Fig. 2.522. Fastening of the tip of a pump-atomizer

Take deblocking pin 1 and turn off a nut with longitudinal накаткой 2 (fig. 2.522).

Disconnect the central tip of pumps-atomizers and candles накаливания.

Disconnect electric sockets from candles накаливания and modules of pumps-atomizers.

ATTENTION For electroconducting removal it is necessary to weaken or twist only screws on bracketх fastenings. If disconnect a plait of wires from a clamp, it will pursue and because of raised backlash can break off.

Turn off screws on clamps and will put a plait of wires in the complete set aside.

Fig. 2.523. An order of easing of bolts of fastening of the module of support

Turn off the others 15 bolts of the module of support in regular intervals, moving from edge inside (fig. 2.523).

Hand unscrew squeezing screws SW15 of a frame counter-clockwise against the stop.

Establish a frame on the module of support how it is shown, and tighten fixing bolts SW 10 with the moment 10 Нм.

Rotate выжимные bolts by hand clockwise against the stop in bolts of a head of the block of cylinders.

Now in regular intervals twist squeezing bolts in sequences which is specified on heads of bolts to branch of the module of support from a head of the block of cylinders.

Take the module of support.

THE NOTE Mark an accessory of loose leaves on an underside by means of a waterproof marker.

Take cam-shafts.

Remove the hermetic rests on the module of support and ГБЦ, for example, by means of a rotating plastic brush.

THE NOTE Replace the bolts tightened on a certain corner.

Clear landing surfaces; on them there should not be an oil and greasings.

Check up, whether is crankshaft in ВМТ.

The gear wheel of a gear belt crankshaftа in ВМТ the cylinder 1 is fixed by a stopper crankshaftа for engines with a round gear wheel of a gear belt crankshaftа or a stopper crankshaftа for engines with an oval gear wheel of a gear belt crankshaftа.

THE NOTE Watch that loose leaves of bearings of a cam-shaft have not been mixed.

At cam-shaft installation watch correct landing of keeping ledges of loose leaves in covers of the bearing and a head of the block of cylinders.

Grease flutes of cam-shafts with engine oil.

Insert cam-shafts in position ВМТ of the cylinder 1.

Fig. 2.524. Position of correct packing of cam-shafts

On both cam-shafts cams 1 and 2 цил.1 should be turned upwards (fig. 2.524).

Grooves in cam-shafts should be directed also upwards.

Cut off a tube nouse on a forward mark (diameter of an aperture about 2 mm).

Put hermetic on a pure landing surface of the module of support.

Fig. 2.525. The scheme of packing of hermetic on a landing surface of the module of support

Thickness of the platen of hermetic: 2 mm (fig. 2.525).

THE NOTE The module of support should be established during 5 mines after hermetic drawing.

In regular intervals tighten bolts 1. 20, moving from the centre to edge.

Bolts 1, 3, 5, 7 and 9 axes of the balance weight to tighten on 90 (1/4 About.) (fig. 2.523).

The further installation is carried out in return sequence.

Connect the central tip of pumps-atomizers and candles накаливания.

Establish blocks the pump-atomizer.

Establish тандемный the pump.

Establish a cover of a head of the block of cylinders.

Establish epiploons of camshafts.

Establish a gear belt (adjust phases timing).

Establish гаситель крутильных fluctuations.

Establish полиwedge a belt.

Establish a system cooler рециркуляции ОГ.

Establish a framework of a radiator with hinged elements.

Lower an emphasis of a forward support at the expense of a body weight on the rubber buffer and tighten nuts.

Establish an overlay of a forward bumper.

THE NOTE After installation of cam-shafts the engine it should is impossible to get Hydraulic pushers within approximately 30 minutes fall (differently valves will be adjoin to pistons).

After works over клапанным the mechanism scroll the engine by hand not less than two turns that be convinced that any valve does not adjoin to the piston.

The module of support to ГБЦ: 20 Нм.

Axis of the balance weight and ГБЦ*: 20 Нм +90 **.

Back cover of a gear belt to the module of support ***: 10 Нм.

Arm of a cooler of system рециркуляции ОГ to ГБЦ: 10 Нм.

Emphasis of a forward support to a radiator framework: 28 Нм.

Shlangovye collars, width of 9 mm: 3 Нм.

Shlangovye collars, width of 13 mm: 5,5 Нм.