GENERAL UPKEEP-Lubrication
GEARBOX
Every 5,000 miles (8,000
km.) the oil level should
be checked and topped
up if necessary.
To check the oil level,
remove the small detach-
able cover from over the
gearbox, thus exposing
the dipstick (see Fig.
7j.
Withdraw dipstick and
wipe clean, then insert
stick and push it fully
home before with-
drawing for reading. The
correct level is to the top
mark. The dipstick ori-
fice is also
the eearbox
oil filler.
Fig.
7.
Gearbox
oil
filler and dipstick.
Every 10,000 miles (16,000 km.) the gearbox should be drained and refilled
with new oil.
REAR AXLE
The
hypoid bevel gears fitted in the rear axle require special lubricants to
ensure efficient operation and long life. As these are special oils, it is advisable
to completely drain and replenish with new
"
Hypoid
"
oil every 5,000 miles
(8,000 km.)
;
and in any event, do not exceed a period of 10,000 miles
(16,000 km.).
It is desirable to have the oil level checked during this period, and if the oil
level is more than
4"
(12 mm.) below the bottom of the threads in the filler
orifice, do not
"
top up," but drain the oil and refill with new oil to the bottom
of the threads. This will overcome the danger of mixing the various grades
of oil.
The filler plug is accessible from underneath the car, being fitted to the rear
axle cover (see arrow A Fig.
8).
Clean away mud before unscrewing the
filler plug to avoid grit falling into the axle.
BRAKE MECHANISM AND CLUTCH
It is important that the filler cap on the
combined hydraulic fluid reservoir, in-
tegral with the master cylinders (see arrow B Fig.
3,
page ll), should be
removed every 5,000 miles (8,000 km.), the fluid level checked and topped up if
necessary. The reservoir should be filled to within half-an-inch (12 mm.)
of the top, and never less than half full (see page 51 or 52 for the correct
fluid). As the cups in the master and all wheel cylinders are pure rubber it
is imperative to use only the recommended fluid. Mineral oils would, in a
very short time, distort and ruin them.
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