





18
ENGINE
159
- Mount water pump impeller
- Mount and tighten nut
Guideline
Nut, water pump impeller M6 8
Nm
Loctile-
243'"
(5.9
Ibf
ft)
18.4.10
Rellovlng
the
timing
chain
sprocket
-
Warm
up
the timing chain sprocket with a blow·dryer.
- Pull
off
the timing chain sprocket with the special tool.
I Puller, 2·arm
(60029033000)
(or
p.
297)
•
Info
I The timing chain sprocket is usually damaged by the disassembly and must
be
replaced.
304702-10
18.4,11
Installing
the
timing
chain
sprocket
•
Info
I
Never
clamp the crankshaft with a crankshaft journal
in
the bench vise
and
try to hammer
on
the timing chain sprocket.
In
such a
case,
the crank
webs
will
be
distorted rendering the crankshaft unserviceable.
304701-10
-
Warm
up
the
new
timing chain sprocket
and
immediately
push
it
onto the
crankshaft.
Guideline
1180
°C
(356
OF)
18.4.12
Changing
the
connecting
rod,
conrad
bearing,
and
crank
pin
Main
work
- Position the crankshaft with special tool
in
the
press.
I Separator plate
(78029009000)
(or
p.
301)
-
Press
the crank pin out of the upper crank
web
with special tool
I Pressing device for crankshaft, complete
(75029047000)
(or
p.
299)
•
Info
I Hold the lower crank
web.
-
Take
off
the
can
necti
ng
rod
and
beari
ng.
-
Press
crank pin out of the lower crank web.
304715-10
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