Hangar 9 Piper Pawnee 40 ARF - Manual (Page 37)

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 Step 4
Slide the engine between the mount and mounting plates.
Install the remaining 8-32 x 1-inch machine screws and
8-32 lock nuts at the front of the mounting plates.
 Step 5
Use a pencil to mark the location of the throttle pushrod
tube on the firewall.
 Step 6
Remove the engine from the engine mount. Use a drill
and 11/64-inch (4.5mm) drill bit to drill the hole for the
throttle pushrod tube.
 Step 7
Roughen the outside of the 11 3 /
4
-inch (300mm) throttle
pushrod tube using sandpaper. Slide the tube into the
hole, leaving around 1/4-inch (4mm) of the tube forward
of the firewall.
Section 7: 4-Stroke Installation