Hangar 9 Piper Pawnee 40 ARF User Manual
Page 32
32
Required Parts
• Engine mount
• 8-32 lock nut (4)
• Clevis
• Clevis retainer
• Engine mount plate (2)
• Fuel tank
• 11
3
/
4
-inch (300mm) throttle pushrod tube
• 8-32 x 3/4-inch machine screw (4)
• 8-32 x 1-inch machine screw (4)
• 17
3
/
4
-inch (450mm) throttle pushrod
Required Tools and Adhesives
• Threadlock
• Ruler
• Foam rubber
• Fuel dot
• Pencil
• Side cutter
• Drill
• Sandpaper
• Drill bit: 11/64-inch (4.5mm)
Step 1
Attach the mount to the firewall using four 8-32 x 3/4-inch
machine screws and four #8 washers.
Note: Make sure to use threadlock on the
screws to prevent them from vibrating loose.
Step 2
Temporarily install the rear 8-32 x 1-inch machine screws
and 8-32 lock nuts to attach the mounting plates to the
mount. Finger-tighten the screws at this time.
Note: The motor mount plates have a textured
side that faces the mount when installed.
Step 3
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. Position the engine so the drive washer is
4
5
/
8
-inch (118mm) forward of the firewall. Tighten
all four 8-32 x 1-inch machine screws evenly to secure
the position of the engine.
Section 6: 2-Stroke Engine Installation