Adjustment And Troubleshooting; Adjustment; Valve Clearnce Adjustment; Ignition Timing Adjustment - Daewoo G424 Gasoline Service Manual

ADJUSTING AND TROUBLESHOOTING

Adjustment

The following is the method of adjustment of the
carburetor and pneumatic governor on a reassembled
engine.
Caution :
(1) The pneumatic governor hss been properly
adjusted and sealed in the factory before shipping.
Never break the seal unless it is necessary during
engine overhaul.
(2) If the pneumatic governor is readjusted, seal it
again and advise your user that he should not
break the seal.
1. Valve Clearance Adjustment
Being adjusted automatically with a lash adjuster, the
valve clearance needs no adjustment.
2. Ingition Timing Adjustment
(1) Let the engine warm up until the engine coolant
temperature rises to 80 to 95°C (176 to 203°F).
(2) Remove the vacuum hose at throttle body side and
plug open end of the nipple with something like
rubber cap.
(3) Connect the timing light to the No.1 spark plug,
and connect the power-supply leads of the light to
12V battery.
(4) Aim the timing light at the timing indicator at the
crankshaft pulley.
(5) Check that ignition timing is as indicated when the
engine is running at idling speed.
Standard value :
Gasoline 4°BTDC/740 rpm
LPG 9°BTDC/740 rpm
(6) If not within the standard value, loosen distributor
fixing nuts and adjust by rotating distributor body.
(7) Tighten the mounting nuts after adjusting.
(8)Remove the rubber cap and connect the vacuum
hose as it was.
G424 Service Manual
Gasoline
Rubber cap
LPG
Rubber cap
Distributor
To advance
169
Vacuum hose
Vacuum hose
Mounting
nut
To retard

Adjustment and Troubleshooting