How to fasten the mounting screws.
15mm
min
Radial motor mount
(cast aluminum)
Hardwood such
as
cherry or maple.
Steel washer
3mm steel screw
3mm steel Allen screw
Spring washer
• Make sure that these mounting beams are
accurately aligned and firmly integrated with
the airframe, reinforcing the adjacent
structure to absorb vibration. Use 3mm or
larger steel screws, preferably Allen type
hexagon socket head cap screws, with
washers and locknuts, for bolting the engine
to the bearers.
INSTALLING THE GLOWPLUG
Install washer on glowplug and
insert carefully into cylinder-head,
making sure that it is not cross-
threaded before tightening firmly.
Glow plug
Washer
3mm steel nuts
Tighten second nut
firmlydown onto first nut.
Tighten this nut first.
Spring washer or
lock washer
15mm min.
Hardwood mounting beams
16
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