Husqvarna SMS4, Workshop Manual

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F2.7 Part. N. 8000 H4704 (07-2010)
08
09
10
MAINTENANCE
Idle speed •
Spark plug: 13 Nm (1.3 mkg, 9.4 ft-lb) •
Install: 14.
Spark plug •
Before installing the spark plug, clean seal and spark plug •
mating surfaces.
IGNITION ADVANCE CHECK
Before checking ignition advance, check electrical connec- •
tions of the whole ignition system.
Ensure all connections are secure and not corroded. •
Remove: 1.
Timing mark access screw " • 1 ". (see fig. 08)
Connect: 2.
Stroboscopic lamp " • 1 ";
Digital rev meter. (see fig. 09) •
Check: 3.
Ignition advance. •
Start engine, warm up a few minutes, then let it idle at recom -
a.
mended speed.
Check alignment of stationary reference mark "
b.
a " on generator
cover with TDC reference " b " onto generator rotor.
Incorrect ignition Check ignition system. (see fig.10)
Ignition advance can not be adjusted. •