Onan CCK - Page 41

CAMSHAFT
r .liUftt 36. SPARK ADVANCE MECHANISM
Checking Advance Mechanism
1. The timing marks wiii be visible through the
flywheel.
2. Connect timing light to spark plug.
3. Start engine and run at 1500 rpm or over.
4. View the timing marks using a timing light. The
flywheel mark should align with mark on gear
cover.
5. While watching the timing marks with the timing
light, slow the engine down to as slow as possible
{800 rpm). If the timing marks are not aligned but
realign when the engine is brought back to speed,
the machanism is operating properly.
6. If the ignition advance mechanism DOES NOT
REACT as described in step 5, remove, clean
and/or replace as necessary.
7. Replace the cover.
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