WÄRTSILÄ PAAE051728, Инструкция по эксплуатации

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7 Crank the engine
and lock all valve- and injection pump
tappets in upper position, see section 14.2.2.
Warning! When the valve tappet(s) is/are locked in the upper position
the rocker arm bracket(s)/ push rods must be removed, oth-
erwise when cranking the engine the pistons will come in
contact with the valves.
8 Remove the cover
at free end and the flange in the middle
of starting air distributor (A-bank) and/or flange from B-bank.
9 Open the nuts for camshaft extension piece (2)
on
back side of camshaft.
10 Turn the crankshaft
to TDC at firing for cylinder No. 1.
11 Mount the lifting tool
for the camshaft gear wheel (1).
12 Open the screws (11)
and remove the extension piece (8).
13 Mount the hydraulic cylinder 800063
between engine
block and camshaft cam. Place piece of wood or similar between
cam and piston of the cylinder.
14 Rise the pressure slowly
and move the camshaft sideways
towards the free end until the gear wheel (1) can be removed. Do
not damage the camshaft piece or engine block.
15 Remove the camshaft gear wheel (1).
16 Remove the extension piece (2).
17 Unscrew the cover fastening screws (18).
Remove in-
termediate gear wheel cover (21), outer O-ring (29) and oil
spray nozzles.
Note! The intermediate wheels (3) and (5) should not be dismantled
unless it is absolutely necessary. The relative position between the
two wheels is adjusted at the factory and should not be changed,
while it influence on the valve and fuel injection timing.
18 Apply support tool 800113
and hydraulic tool
2V86B341 (800112) to the fastening bolt (20).
19 Connect the hoses
on the hydraulic pump 800053, see
adjacent figure.
20 Strain the bolt by raising the pressure
to the value
stated in the chapter 07., and proceed with opening the nut.
Hydraulic oil
DISMANTLING
1. Mount the cylinder.
2. Connect the hoses and open
the pressure release valve.
Tighten the cylinder to expel
oil.
3. Turn the cylinder 180 counter-
clockwise.
4. Close the valve and pump
pressure according to stated
value.
5. Open the nut about half a turn.
6. Open the release valve and
remove the hydraulic tool.
32-200546-02 Camshaft Driving Gear 13
WÄRTSILÄ 32 13 - 5