Socket Head Bolt, 3 x 40 mm
Nylon Lock Nut, 3 mm
..4 pcs
.................................. 4 pcs
Must be aligned.
Flat Washer, 3 mm
.................................... 4 pcs
Socket Head Bolt, 3 x 6 mm
........................... 2 pc
2 pc Aluminum Tail
Boom Holder
1 pc Aluminum Tail Boom Holder
Bevel Pinion Gear
Assembly
2 pc Aluminum Tail Boom Holder
Note proper direction during
installation as bottom hole is
offset to match frame.
5-4
TAIL BOOM/BEVEL PINION GEAR INSTALLATION/ADJUSTMENT
Step 1: Attach the 2pc front Tail Boom Holder to the frame using 2 3x6 mm
Socket head Bolts. Please note that since the bolt holes have an offset, there is a
Left and Right side to these clamps. Do not completely tighten these bolts until
the gear mesh has been set.
Step 2: Insert the completed Bevel Pinion Gear assembly into the tail boom, and
align the hole in the hub to the hole in the tail boom.
Step 3: Install the 1pc Rear Tail Boom Clamp to the boom.
Step 4: Insert the tail boom assembly into the frame, front clamps, and attach
using the 4 3x40mm Socket Head Bolts as shown below.
To set the proper mesh, insert
1 thickness of paper (the same
thickness as the pages of this
manual) between the 2 bevel
gears.
Next, push the tail boom assembly
down so that there is no gear
backlash with the paper in place.
Tighten the 4 tail boom mounting
bolts. Next, remove the thickness
of paper and check the gear
mesh. There should be a very
slight amount of backlash. If the
backlash seems too much, repeat
this procedure using thinner
paper. If backlash can't be
detected, double the paper
thickness and retest.
It is better to set this gear mesh
slightly tight, rather than loose, or
damage to the bevel gear can
occur during extreme 3D flying or
tail blade contact with the ground.
Note:
BEVEL GEAR MESH ADJUSTMENT
Before tightening of the 4 tail boom mounting
clamp bolts, it will be necessary to set the
bevel gear to bevel pinion gear mesh by
raising or lowering the tail boom assembly.
Tail Boom, 879 mm
1 pc Aluminum Tail Boom Holder
2 pc Aluminum Tail Boom Holder
Nylon Lock Nut,
3 mm (4 pcs)
Flat Washer,
3 mm (4 pcs)
*
*
Socket Head Bolt, 3 x 40 mm (4 pcs)
Socket Head Bolt,
3 x 6 mm (2pcs)
Socket Head Bolt,
3 x 6 mm (2pcs)
* Do not tighten bolts
until bevel gear mesh
has been adjusted.
*
*
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