Page 21 - Vauxhall 20-60 H.P. (R Type) Chassis Shop Manual

VAUXHALL 20-60 SHOP MANUAL

SECTION One cell of battery regularly requires more water than the others and
15 specific gravity of acid lower
( a ) Cell leaks.
( b ) Plates short circuited.

SECTION All cells of battery require frequent addition of water
16 ( a ) Charging rate too high.

( b ) Excessive over-charging.
( c ) Sediment in battery short circuiting plates.
SECTION Starter will not turn Engine
17 ( a ) Battery nearly or completely discharged.

( b ) Loose or corroded battery terminals.
( c ) Imperfect brush contact.
( d ) Faulty armature winding.

LIGHTING
SECTION Bulbs short-lived
18 ( a ) Low voltage bulbs used.

( b ) Excessive over-charging of battery.
( c ) System short-circuited.

SECTION Illumination dim
19 ( a ) Battery nearly or completely discharged.

( b ) Battery terminals corroded.
( c ) Loose connections in circuit.

ENGINE

SECTION Apparent lack of power
20 ( a ) Dirty or faulty sparking plugs.

( b ) Carburettor jets partially choked.
( c ) Restricted supply of petrol to carburettor.
( d ) Water in petrol supply.
( e ) Fractured or broken Autovac suction pipe.
( f ) Leaking windscreen wiper tube.
( g ) Faulty high tension leads (nipped by cover plates).
( h ) Dirty or greasy distributor contact breaker points.
( i ) Distributor contact breaker points require adjustment.
( j ) Incorrect ignition timing.
( k ) Incorrect valve clearances.
( l ) Ignition coil low tension leads not making good contact
( m ) Low compression.
( n ) Engine requires de-carbonising.
( o ) Brakes rubbing or binding.

Page 17.