Fuel Pump; Carburetor - MG Midget 1979 Driver's Handbook Manual

Fuel System
FU EL PU M P The fuel pump is mounted on the left-hand side of the engine. The cover should
be removed and the filter gauze cleaned.
Cleaning
Slacken the hose clip and remove the hose (1) from the pump top cover. Unscrew
Fig . 2 the centre bolt (2), withdraw the top cover (3) and remove the filter gauze (4) .
Wash the filter gauze in clean fuel. Check that the gasket (5) is in position and
in good condition; renew if necessary. Fit the filter gauze and top cover, and
secure with the centre bolt.
IMPORTANT: T ighten the centre bolt to 10 to 14 lbf in (0'11 to 0·16 kgf m).
After starting the engine inspect the fuel pump for air and fuel leaks. Check th e
inlet (1) and outlet (6) hoses for leaks and serviceability.
CARBURETTER
Air pollution The carburetter incorporates features which assist in reducing exhaust emissions.
control Maladjustment or the fitting of parts not to the required specification may render
these features ineffective.
Carburetter Checking oil level. Unscrew the damper cap (1) from the carburetter top cover.
damper Carefully ra ise the damper to the top of its travel. Lower the damper back into
Fig. 3 the hollow piston rod. If the oil level in the hollow piston rod is correct, resistance
should be felt when there is a gap of approximately
t
in (A) between the cap
and the carburetter top cover. Top up if necessary. Screw the damper cap firmly
into the carburetter top cover.
Topping-up the oil level. Remove the air cleaner. Unscrew the damper cap (1)
from the carburetter top cover. Raise the piston (2) with a finger, and at the same
time lift the damper (1) and carefully ease the retaining
c~p
(3)
fr~m
the
h~llow
piston rod to release the damper assembly from the piston.
~Ith
.the p.lsto n
raised top up the hollow piston rod with a recommended engme
011
until the
level is
-!
in below the top of the hollow piston rod. Lower the piston. UNDER
NO CIRCUMSTANCES SHOULD A HEAVY BODIED LUBRICANT BE
USED. Ensure the oil level is correct. Raise the piston and carefully press the
retaining cup into the hollow piston rod. Screw the damper cap firmly Into the
carburetter top cover. Refit the air cleaner.
Tuning The tuning of the carburetter is con fined to setting the idle speed and mixtur
strength (CO percentage). Adjustment should only
~e und~rtaken.
by you
authorized Austin MG Dealer who will have the essential special equipment
f r
this purpose.
Fig. 2
1 ,
Fig. 3
Fig. 2
3
5