MG MGA Twin Cam Workshop Manual page 187

LUBRICATION
WATER PUMP
Give the nipple on the water pump body ooe stroke
only with the gun filled with S.A.E. 140 oil. Tbe oiling
of the pump must be done very
& paringly,
otherwise oil
will ftow past the bearings onto the face of the carbon
sealing ring and impair its efficiency.
Section P.S
12,000 MILES (19200 Km.) SERVICE
Carry out the instructions detailed in Sections
P.~.
P.J, 3nd P.4 in addition to the following.
ENGINE-FLUSHING (A)
Remove the engine sump drain plug aod allow the
old oil to drain completely.
Replace the drain plug and
refill
the engine with
approximately 6 pints (7·2 U.S. pints. 3·41 litres) of
flushing oil manufactured by one of the approved oil
companies listed on page P.7.
Run the engine at a fast idling speed for 2! to 3
minutes.
After stopping the engine special care must be taken
to ensure complete drainage of the Bushing oil.
P.6
Replace the sump drain plug and fill tbe engine with
oil to Ref.
A
(page
P.
7).
STEERING GEARBOX (B)
Tbe two nipples for the steering gearbox and pinion
are reached from beneath the front of the car.
Give the gearbox nipple
10
strokes
only
and the pinion
nipple two strokes only at the same time with a guo filled
with oil to Ref. 8 (page P.7).
SPEEDOMETER AND TACHOMETER CABLES
(q
Unscrew the speedometer aod tachometer drive cable
outer casings from the instrument beads. Extract their
inner cables and lubricate sparingly with grease to Ref.
C. Oil must not be used. After replacing each cable in
its outer casing withdraw the upper end approximatdy
8 in.
(20 em.) and wipe ofF the surface gnease before
~
connecting it to tbe instrument bead.
DYNAMO (D)
Add two drops of engine oil to Ref. D (page P. 7) in
the lubrication hole in the cenue of the rear end b!aring
plate.
Do not over-oil.
MGA
(1\oin
Cam). Issue 4. 32403