User Manual

18 Hangar 9 P-51D Mustang Sport 40 Assembly Manual
Installing the Fuel Tank, Cowling and
Spinner for Glow Installations
Required Parts
Fuselage assembly Fuel tank
Spinner assembly (optional) #4 washer (2)
Fuel tank stay Muffler
Cowling (painted) Cowling (clear)
4-40 x 5/8-inch socket head screw (2)
#2 x 3/8-inch self-tapping screw (8)
Exhaust stack (right and left)
Exhaust diverter (optional)
Required Tools and Adhesives
Drill bit: 5/64-inch (2mm) Pin vise
Phillips screwdriver: #1 Box wrench: 7/16-inch
Hex wrench: 3/32-inch, 7/64-inch
 Step 1
Locate the items to install the cowl and fuel tank for your model.
 Step 2
Inspect the fuel tank according to the following drawing to
determine the vent and clunk lines on the tank. The vent line
must face up when installing the tank or the engine will not
operate properly.
Clunk
Vent Line
Top View
Side View
Vent Line (faces top of fuselage)
To Muffler
To Carburetor
 Step 3
Slide the fuel tank into the fuselage. Make sure the vent line
faces to the top as described in the previous step.
NOTE: SPECIAL CONSIDERATION FOR
FOUR-STROKE INSTALLATION
 Step 3a
Use medium CA to glue the throttle pushrod guide to the
former as shown. Make sure the throttle linkage does not
bind when gluing the pushrod guide.
 Step 4
Secure the tank in the fuselage using two 4-40 x 5/8-inch
socket head screws and two #4 washers and the fuel tank
stay. Tighten the screws using a 3/32-inch hex wrench or
ball driver.