0
.7
5
m
m
0
.7
5
m
m
1
.5
m
m
Belt 304-2GT-09
(HC454-S)
MOTOR BELT TENSION
*Assemble the motor and pulley to its mounting plate.
*Install the motor assembly in the helicopter.
*It is easy to install the belt with the motor assembly pushed back towards the helicopter as far as it can go.
First put the belt on the motor pulley.
*Then put the belt around the big pulley.
*Rotate the motor several times by hand.
*Pull and hold the motor slightly.
*Tighten the M4 nut first (It is suggested to use tool nut driver).
*The belt must be very tight.
*Tighten the rest of the bolts.
Motor Assembly
Note:
Check for vertical alignment of the motor pulley. To do this, simply turn the motor several times by hand and check to you see if
the belt is aligned properly with the big pulley (one way bearing pulley).
If the belt is riding too high, simply loosen up the motor pulley and drop it just a little bit, if it is riding too low, loosen up the
motor pulley and raise it a bit.
Correct
Incorrect
Bag 8
Fig 1:
Figure 1 shows the motor correctly
wired. It is advisable to cover the wire
joints between the motor and the ESC
with heat shrink tubing.
Page 16
Chapter 10, Installation Of The Motor