GEARBOX
SUPPLEMENTARY INSTRUCTIONS FOR INCORPORATING
OVERDRIVE ON
cc
SECOND
"
AND
,cc
THIRD
"
GEARS
(d)
Measure with feeler gauges the gap
Wiring.
The switches are wired
in
between the switch and boss, that is,
parallel (Fig. 43) and the necessary
link
the amount the switch would have to
lead from switch to switch is obtainable
be screwed down to be fdy home.
under Part No. 502412.
One of the
link
wires is connected to earth
(e) From this dimension subtract .OM"
(Fig. 41).
The remaining
link
wire is
and make up the remainder with
connected through a snap connector to one
paper packing washers, Part No. side of the operating switch.
502146.
Top Cover Conversion
Pack-Part No.
Example.
If the gap measured
.090" the subtraction of the .OM"
503219.
The following is a list of the parts
would leave .05C". By selection
included in the pack to convert the old
(the washers vary in thickness) obtain
type cover assembly, part No. 502078 to
a
pack which measures .050".
50241 1.
1 Top Cover Casting 301768
(f)
Disconnect the switch and remove it
1 1st and 2nd Selector Fork 110753
from the top cover.
1
Top and 3rd Selector Fork 110754
2 Welch Plum 54505
(g)
After installing the washer-pack over
the screwed portion of the switch,
screw the switch securely into the top
cover.
Repeat the procedure with the
"
Third
"
and
"
Top
"
isolator switch.
TO STARTER ML SWITCH
WHITE FEED SIDE.
OPERATING ISOLATOR
SWITCH SWITCU
W,
4
RELAY CONTACTS
4
ISOLATOR
SWITCU
TO
AMMETER IF FITTED
IROWN WIRE BATTERY SIDE
I
INTERNAL
\
WHERE NOAMMETER IS
SW'TCU
FITTED. RUN TO IROWN
&BLUE OUUMO LAMP
SWITCH.
Fig.
43
Wiring
Diapm.
1 Isolator ~&ch 4278 1
6 Packing Washers 502146
1
Link
Lead 502412
3 Welch Plugs 104449
Overdrive Kit-Part No. 501803 for R.H.
Part No. 502104 for L.H.
These kits may
be
used either
:
(a)
Where a car is to be fitted with over-
drive on
all
gears and is already fitted
with a top cover (Part No. 502411).
(b)
To convert cars fitted with the old
type overdrive unit (Serial No. 221
12751-, in which case either
:-
(i)
A
complete new top cover assem-
bly, Part No. 502411, may also
be required, or
(ii)
A
top cover conversion Pack,
No. 503219.
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