MG MGB User Manual

THE
ENGINE
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5
“ix
.
a
a
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i
3NC
960A
Fig. A.39
Front
cover
and
oil seal
1.
Alternator.
6. Crankshaft pulley
nut
and
2.
Drive belt~fan.
tool 18G
98
A.
3. Fan and pulley.
7. Front
cover
and gasket.
4. Crankshaft
nut
and lock
8. Oil seal.
washer.
9.
Use tool 186 134 BD
to
■t
5.
Crankshaft pulley.
oil seal.
0
may
'
/
3NC9SS
Fig.
A.40
Centralize
the oil
seal
on
the crankshaft using tool
18G
10.46
before tightening
the front
cover screws
A.34
Section A.35
TIMING
CHAIN AND TENSIONER
(single roller)
Removing
1.
Remove the
front
cover,
see
Section A.34.
2.
Unlock and
remove
the
tensioner
securing
screws.
3. Prise the
tensioner
assembly
out
of
its register
in
the
front
plate, taking
care
to
retain
the
slipper
head
which
is
under
spring
tension,
and
remove
the
tensioner
and
its
backplate.
Remove the backplate
and
gasket.
4.
Allow
the
spring tension
against
the slipper head
to
relax
and withdraw
the slipper head,
spring
and
inner
cylinder from
the
tensioner
body.
5.
Unlock
and
remove
the
camshaft
nut,
using
tool 18G
98
A.
Note that the
lock
washer
tag
■ts
into
the
groove
of
the
camshaft
wheel.
6.
Withdraw
the crankshaft
and camshaft
gears;
use
suitable
levers and
ease
each
gear
forward
a
fraction
at
a
time.
Note the packing
washers
positioned behind
the crankshaft
gear.
#99:“?!9.“
3NC
954
Fig A.41
Timing chain and
gears
Oil thrower—‘F’
marking.
8. Chain
tensioner
assembly
Crankshaft
gear.
and
gasket.
Camshaft
nut. 9.
Camshaft
nut
and tool
Lock washer.
18G 98
A.
Camshaft
gear.
10.
Check wheel
alignment
Timing chainvsingle.
with
a
straight-edge.
Screwsand lock washer.
11.
Packing
washers~
crankshaft
gear.
MGB.
Issue
1. 87518

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English