20.
DISMANTLING
ENGINE
It is sound policy to clean the exterior of the
engine and gearbox before commencing to
dismantle.
(i)
Detach gearbox by removing the nine
nuts and bolts from the clutch
bell
housing.
(ii) Remove the clutch from the flywheel
by withdrawing the six securing bolts.
(iii)
Remove the flywheel by unlocking the
tab washers and withdrawing the four
bolts.
To remove the fuel pump, first dis-
connect the pipe to the carburettors
and then remove the nuts and lock
washers from the studs. It
will
be
noticed that the rearmost stud accom-
modates the oil pressure gauge pipe
clip.
(v) Remove rocker cover, together with
oil filler cap.
(vi) Remove suction pipe from distributor
and sparking plug leads, H.T. and
L.T.
leads at the ignition coil. Avoid
loosening clamping bolt and remove
distributor from pedestal, secured by
two nuts with locking and plain
washers. Lift out distributor and
tachometer driving shaft assembly.
(vii) Remove the ignition coil.
(viii) From the front of thermostat housing
remove the nut holding the clip for the
Fig.
31
The
Engine and Gearbox
being
removed
from
the
Chassis.
Note the
"
nose
up
"
attitude.
fuel and suction pipes; these two
pipes are strapped together and
can
be
lifted away. Remove the by-pass hose
from the thermostat housing to the
water pump housing after undoing the
two hose clamps. Withdrawthermostat
housing as a unit following the re-
moval of the two bolts and lock
washers securing it to the combustion
head.
(ix)
Remove water pump impeller after
withdrawing one bolt and two nuts.
(X)
Remove the water pump housing which
is held by two bolts and spring
washers.
(xi) Proceed to remove oil filter assembly
by first removing the cap nut holding
the oil pressure pipe banjo to the
filter. This pipe
can
now be detached.
The remaining
three
bolts
can
then
be removed and the filter assembly
taken away.
(xii)
Remove dynamo bracket and pedestal.
(xiii)
Remove fan assknbly by withdrawing
four bolts. followed bv the extension
bolt
;
theshub and hub extension
can
now be withdrawn from the crank-
shaft.
(xiv) Remove timing cover and packing,
remove chain tensioner after with-
drawal of split pin and washer.
Ob-
serve the markings on the camshaft
chainwheel and crankshaft sprocket
which should correspond to Fig.
21
when No.
1
piston is at
T.D.C.
of
compression stroke.
(xv)
Release the tabs of the locking plate
and withdraw the two bolts to release
camshaft chainwheel, the chain
can
now be freed from the crankshaft
sprocket. Camshaft chainwheel and
chain
can
now be lifted away and the
crankshaft sprocket and Woodruffe
key removed from the
crankshaft,
followed by the shims.
(xvi)
Lift
rocker shaft assembly by removal
of the four
pedestal
nuts.
(xvii)
Remove the inlet and exhaust
mani-
folds by removing eight nuts and six
clamps.
(xviii)
Remove combustion head by ranoval
To Next Page
Loading...
