Page 80 - Vauxhall 20-60 H.P. (R Type) Chassis Shop Manual

VAUXHALL 20-60 SHOP MANUAL

until the engine is actually being withdrawn from chassis, also, when
replacing the engine, assemble exhaust pipe to manifold before the engine
is finally at rest in the chassis.
– Remove the two bolts at the bottom of the clutch pedal lever, disconnect
the clutch pedal return spring from bracket on gearbox and remove pedal
complete from clutch shaft. Disconnect the transmission brake rod from
the actuating lever on the cross shaft by withdrawing the connecting pin.
– Remove the three bolts which hold the propeller shaft rear fabric joint
coupling to the spider, so that as the engine is lifted out of the chassis, the
propeller shaft can be withdrawn from the splined spider at the rear of the
gearbox.
– Remove top of gearbox complete with change speed lever, and cover the
gearbox to prevent anything falling into the box.
– Disconnect speedometer cable from drive on side of gearbox. Remove
5
the two nuts from the front engine holding down bolts, and the / ”
8
bolt holding each rear engine support to the frame brackets. The engine
and gearbox units are now entirely disconnected from the chassis and
by suitable overhead hoist, raise engine and gearbox units so that the
assembly is inclined at approximately 30° and gently push back the chassis.
As the chassis is pushed back, remove the exhaust pipe and propeller shaft
as explained above.
– Remove the nuts from the studs and the bolts holding the gearbox to the
engine. The gearbox can then be removed and the engine left free for
dismantling.

TO DISMANTLE

SECTION – Bolt engine to suitable turnover stand. Drain off oil in sump.
401 – Wash off engine.

– Remove fan and water pump.
– Remove fan pulley flanges and body from camshaft.
– Remove front engine cover ( Section 417 ).
– Remove dynamo ( Section 364 ).
– Remove timing chain and dynamo driving pinion ( Section 421 ).
– Remove oil pipe from filter to cylinder head.
– Remove induction and exhaust manifolds complete.
– Remove cylinder head and gasket ( Section 404 ).
– Remove crankcase to oil filter pipe.
– Remove oil filter ( Section 463 ).
– Remove oil regulator valve ( Section 466 ).
– Remove tappet blocks ( Section 414 ).
– Remove distributor.
– Remove nuts from the two studs holding camshaft front end bearing in
position and remove camshaft with front bearing and half time wheel by
pulling straight forward.
– Remove starting motor ( Section 370 ).

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