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Step 13 Tail Fins
Step 14 Mating Tail Boom to the Main Frames
Feed the tail drive belt (2002-183 Bag #4) through the tail boom starting with the end with two holes. A piece of wire
with a hook bent into it works well for pulling the belt through. Fit the tail boom (2002-173 BAG #10) into the upper
side frames. Loop the drive belt onto the front pulley. The belt should have a 90 degree turn inside the tail boom !
Check to make sure when the main rotor is turning in the clockwise direction (viewed from the top), the tail rotor
should turn counter-clockwise when viewed from the right hand side. Adjust the belt tension by pulling on the tail
boom. Do not over tighten the belt, it should not be too loose so the belt slips. Slowly, tighten the four M3x35 bolts
that hold the tail boom.
Attach the front of the tail boom support rods to the lower main frames. Use two M3x8 bolts and a 57mm threaded
cross member (2002-095 Bag #3) to secure the front of the tail boom support rods to the frames. Mount the aft end of
the boom-struts to the horizontal fin mounts, making sure the horizontal fin is level tighten the two M3x35 bolts
holding the horizontal fin and fin clamp together.
Step 15 Fuel Tank
Assemble the fuel tank (2002-063 Bag #9) carefully according
to the drawing shown below. Use caution while bending the
brass tubing. Do not use any pliers as this will kink the
tubing use your hand and make a smooth flowing bend
to avoid kinking. Add one strip of double sided foam
tape to the top surface of the tank so it will make
contact with the gyro plate mount. Slide the tank
into the side frames from the right hand side.
The fuel line should come out of the right
hand side of the helicopter.
M3x35
175
085
085
085
085
179
177
171
171
223
M3X35
173
M3 NUT
171
M3 NUT
RIGHT !
WRONG !
(TOO TIGHT)
179
063
095
M3X10
Double sided
foam tape
215
173
171
From muffler
pressure fitting
To engine carbure-
tor
1 5
1 5
1 5
1 5
1 5