V
FUTABA 9Z
THE UNOFFICIAL WORKSHOP MANUAL
WARNING:
THE INFORMATION IN THIS MANUAL IS FOR INFORMATION PURPOSES ONLY AND MAY BE INCORRECT, CAUSE DAMAGE
TO YOUR RADIO OR INJURY TO YOURSELF AND OTHERS. IF YOU USE THIS MANUAL YOU DO SO SOLEY AT YOUR OWN RISK.
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Page 23 of 84
RATCHET SMOOTHER
RATCHET
GIMBAL GEAR
RATCHET SMOOTHER MADE FROM DRINKS CAN
Figure 12 Making and installing a "Ratchet Smoother”.
Figure 13 Another example of a ratchet smoother
3.4.2. Replacing the Joysticks and Potentiometers (POTS)
The joysticks on the 9Z weaken over time and can crack, whilst you can repair them
using the procedure in Section 3.4, they are easy to replace at the same time as you
service the complete 9Z gimbal assembly (inc. Potentiometer replacement). If you are
replacing the joysticks then you should also replace the POTS at the same time.
Potentiometers or POTS are used in a transmitter to sense how far the user has moved
the joystick. After some years the POTS inner surfaces wear and control becomes
erratic or inaccurate. When this occurs they need to be replaced. This procedure may