3 SPEED AN D RFVERSE GEARBOX
For The Mk. 8E/R Unit
(Fig.
7 .
i llustration on
p
age
32).
Note :-When ordering spares, a lways quote the engine number.
This is stamped on the crankcase lug.
Always
quote the part
number and description, not the illustrati on number, which is only
for your assistance.
FORWARD
REVERSE
GEARBOX RATIOS
1 - 1 , 1 .60-1 and 2.73-1
3.27- 1
LU BRICATION
For the gearbox we recommend Castrol
"D"
Oil (S.A.E. 1 40) which can be
inserted after the Gearbox Dipstick ( I llustration No. 5 1 ) has been removed. The.
oil capacity of the gearbox is approx.
-}
pint and a groove cut into the dipstick
indicates the correct oil level. A Grease Nipple is provided on the exposed end
of the clutch lever, and grease should be applied periodically.
ADJ USTMENT OF. CL UTCH OPERATING RO.DS
Remove cover, i llustration No. 4 l ; then detach clutch . cable from operating
lever No. 40. This will expose the clutch adjuster, No. 39, which when screwed
in will reduce the clearance between the adjuster sleeve. No. 38, and the push
rods. Unscrewing the adjuster will increase the clearance. Independent adjust
ment for the clutch control cable is provided by the adj uster screw in the lug at
top of gearbox.
I MPORTANT
Apart from the gea•boxes, there are several components not common to both
the
Mark
8E
and the
Ma•k
8E/R
units. These parts include primary chaincase
dutch a
s
s
em
b
l
y
,
etc.,
and
for
t
h
is
reason
when ordering replacement parrs
IT
IS VERY i M PORTANT I NDEED
that rhe full nuMber of t·he engine is quoted
30
Summary of Contents for MARK 12D
Page 28: ...S 5 4 I 3 2 9 30 65 43 63 64 6 1 72 76 75 48 80 49 47 57 58 56 59 60 66 67 68 69 5 ENGINE 25...
Page 31: ...7 8 12 r _ 21 54 4 SPEED GEARBOX Fig 6 r qs 36 37 cl J ttl...
Page 40: ...2 2 4 Fig 9 CARBURETTER TYPE 5 19 37 34 26 25 17 36 I 16 IS 9 10 13...
Page 44: ...i 3 4 7 I 24 Fig T 1 CARBU RETTER TYPE 5 25 PARTS 41 37...
Page 51: ...N O T E S 48...
Page 53: ...c io l Barford Newitt Ltd Printers Wolverhampton 20 000 8 55 I...
