3-14
INSP
ADJ
E
PERIODIC SERVICE
2. Slowly turn the flywheel CLOCKWISE,
and stop it when the piston is at TDC.
CAUTION:
Be sure to turn the flywheel clockwise, or
the impeller blade will be twisted the other
way, thus reducing pump performance.
3. Set the piston at 3.55 mm (0.14 in)
BTDC, and set the timing-plate at 25˚
BTDC.
NOTE:
After tightening the screw 1 paint over the
screwhead to discourage tampering with
the adjustment.
4. Set the magneto control lever 2 to the
fully-advanced position.
Adjust the length of the link rod 3 so
that the marks on the magneto base 4
and flywheel 5 are aligned, and tighten
the locknut.
5. Turn the flywheel so that the timing-
plate indicates 5˚ ATDC (PTT models =
TDC).
6. Set the magneto control lever 2 to the
fully-retarded position. Adjust the
length of the fully-retarded adjusting
screw 6 so that the marks on the mag-
neto base 7 and flywheel 8 are
aligned, and tighten the locknut.
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