MG Midget 1979 Driver's Handbook Manual page 42

Maintenance Summary
'D'SERVICE-continued
Engine
Check for oil leaks.
*Check driving belts; adjust or renew (49 and 56 or 65).
*Check cooling and heater systems for leaks, and hoses for security and condition.
*Renew carburetter air cleaner element (67).
*Check air injection system hoses/pipes for condition and security.
*Check air intake temperature control system.
*Check crankcase breathing and evaporative loss systems. Check hoses/pipes and restrictors for
blockage, security and condition.
*Check/adjust valve clearances (50).
*Check exhaust system for leaks and security.
Ignition
*Check ignition wiring for fraying, chafing and deterioration.
*Renew spark plugs (47).
*Check security of distributor vacuum unit line (all States except California).
*Check security of distributor vacuum unit line and operation of vacuum unit (California only).
*Clean distributor cap; check for cracks and tracking.
*Check coil performance on oscilloscope.
*Check/adjust ignition timing, using electronic equipment.
Fuel system
*Clean fuel pump filter (68).
*Check fuel system for leaks, pipes and unions for chafing and corrosion.
*Top up carburetter piston damper (68).
*Check/adjust deceleration by-pass valve.
*Check/adjust carburetter idle settings.
*Check condition of fuel filler cap seal.
Safety
Check/adjust operation of all washers and top up reservoir (4.5).
Check tyres for tread depth and visually for external cuts in fabric, exposure of ply or cord struc-
ture, lumps or bulges.
Check that tyres comply with manufacturer's specification (73).
Check/adjust tyre pressures, including spare (73).
Check tightness of road wheel fastenings (30).
Check condition and security of steering unit, joints and gaiters.
Check security of suspension fixings.
Check steering rack/gear for oil/fluid leaks.
Check shock absorbers for fluid leaks.
Insoect brake Iininzs /n ad s for wear. drum /discs for condition (34)
Check tightness of road wheel fastenings (30). .
Check condition and security of steering unit, joints and gaiters.
Check security of suspension fixings.
Check steering rack/gear for oil/fluid leaks.
Check shock absorbers for fluid leaks.
Inspect brake linings/pad s for wear, drum/discs for condition (34).
Check/adjust foot and hand brake (34).
Check visually hydraulic hoses, pipes and unions for chafing, cracks, leaks and corrosion.
Clean and grease battery connections.
Check/adjust front wheel alignment.
Check output of charging system.
Check function of original equipment, i.e. interior and exterior lamps, horns, wipers, and warning
indicators.
Check, if necessary renew, wiper blades (45).
Check /adjust headlamp alignment (39).
Check operation of all door, bonnet, and boot locks.
Check operation of window controls.
~~ec~
conditi.on
a~d
security of seats and seat belts.
). ERVICE-continued
uad test
R ad/roller test and check function of all instrumentation.
Report additional work required.
IIrukes
It is further recommended that every 37,500 miles the brake fluid, hydraulic seals, and hoses in the
brake and clutch hydraulic systems are renewed. Examine working surfaces of pistons and bor es
in, master, slave and wheel cylinders, and renew parts as necessary. This additional work sho uld
be carried out by your authorized Austin MG Dealer.
.' z erlng
At every 37,000 miles the steering rack sho uld be lubri cat ed. Thi s add itio na l work sho uld he
carried out by your authorized Au stin M G Dea ler.
S ERVI CE
_ oJ
brication
Lubricate all grease points (except hub and stee ring rack) (84).
Renew engine oil (48).
Renew engine oil filter (48).
heck/top up brake fluid reservoir (33).
heck/top up clutch fluid reservoir (33).
heck/top up battery electrolyte (36).
heck/top up cooling system (28).
heck/top up gearbox oil (70).
heck/top up rear axle oil (70).
heck transmission for oil leaks.
Lubricate hand brake mechanical link age.
*Lubricate distributor (46).
• ubricate accelerator control linkage (and pedal pivot ): check operation (84).
ubricate all locks and hinges (not steering lock) .
ngine
heck for oil leaks.
ubncate au locks and runges
(not
steenng
rock).
ngine
heck for oil leaks.
... heck driving belts; adjust or renew (49 and 56 o r 65).
... heck cooling and heater systems for leak s, and hoses for security and condition.
... Renew carburetter air cleaner element (67).
... heck air injection system hoses/pipes for condition and security.
... heck air intake temperature control system.
• heck crankcase breathing and evaporativ e loss systems. Check hoses/pipes and restrictors for
blockage, security and condition.
.. heck/adjust valve clearances (50).
• heck E.G.R. system . }(ever y 50,000 miles only).
Renew adsorption canisters (56 or 64)
... heck exhaust system for leaks and security.