Compass Model 7HV Instruction Manual page 11

4
Main Gear
Pos Description
1 Main Shaft Clamp
2 M2.5x10 Socket Head Bolt
3 Main Shaft
4 M3X30 Socket Head Bolt
5 M3 Nylon Nut
Do not over
tighten the screw
11mm
in the main shaft
clamp, but fix it
securely.
1
8.5mm
If you have to change the main gear, do not
overtighten the bolts going into the hub or it may
draft the main gear. Tighten the bolts in a cross
pattern.
Qty
1
1
rim
1
1
1
After installing the main
gear, mount the main
shaft clamp below the
upper bearing block with
the rim facing towards
the bearing. Push the
main shaft down and the
main shaft clamp up. The
must be zero clearance.
4
To intall the main gear, push the tail boom all the way in.
Pull the tail belt out at one side of the chassis and mount it
on the main pulley. Then slide the main gear into the frame
and align the holes over each other to fit the jesus bolt.
4mm slot
To mount Motors with different hole measurements, use 2 of
the 4 slots in the motorplate. The 4mm slots for motors with
M4 screws and the 3mm slots for motors with M3 screws.
Only 2 screws are necessary in this case.
3mm slot
0 10
Use medium threadlock on all
screws going into metal parts
1
2
5
30
20 40
3