DLE 40 - Manual (Page 11)

11
3. Next, set the engine
at the beginning of the
compression stroke.
Note the position of the
ignition magnet.
4. Place the propeller
on the crankshaft at the
one o’clock position.
5. Mark the location
of one of the outer
holes. Use a GPM Dead
Center Hole Locator
(GPMR8130) to center
and start the hole.
6. Remove the propeller
from the engine and
drill the outer hole on
the drill press using
a #35 (.110"/ 2.81mm)
drill bit as a pilot hole.
Next use a #22 (.157"/
4.01 mm) drill bit to
fi nish the hole. In order
to achieve a clean fi nish
on both sides of the
propeller, drill only half way through the propeller with the fi nishing
drill bit. Then fl ip the propeller over and drill completely through
the hole.
7. Use one of the 4x 40mm SHCS with 4mm lock washers and fl at
washers to align the propeller washer on the propeller and use the
Dead Center Hole Locator to mark the position of the remaining holes.
8. Drill the remaining three holes in the propeller.
9. Mount the propeller to the engine using the 4 x40 mm SHCS with
4 mm lock washers and fl at washers. Be sure to use threadlocker.