TMQ AP9 Autopilot (V6.0 - 965) Page 36 of 51 31/1/2017
General Information - Drive Units
The AP9 autopilot is capable of controlling reversing hydraulic pumps, mechanical drives,
linear hydraulic drive systems, linear mechanical systems, solenoid valves on constant
running pumps and relays. When installing any drive system, refer to the manufacturers’
specifications and instructions. Follow all instructions.
Installation Considerations
Mechanical Drives
· Ensure correct voltage of drive unit
· Mount horizontally in a dry position
· Ensure robust and stable mounting platform is available
· Provide for cable connection to AP4 control unit
· Provide access for drive sprocket and chain to be fitted
· Provide for cable lay if linear mechanical drive
· Check correct sprocket ratio for the boat
Hydraulic Pumps
· Check correct pump voltage for boat
· Ensure correct flow rate of pump matched for steering
· Mount horizontally in a dry position
· Pump should be mounted lower then the helm pump
· Provide adequate space for hydraulic line connections
· Ensure access to existing boat steering lines
· A balance line must be connected from autopilot pump reservoir to helm pump
reservoir
· Replace any vented bung on pump with non vented
· Check if extra lock valve is needed for steering system
· When mounted, fill with oil and purge air from system
Solenoid Valves
Links are provided to allow jog lever operation in conjunction with the AP9 Autopilot. The
links should be cut when connecting the AP9 for solenoid operation.
When cut (open circuit) the autopilot control only pulls the drive outputs low. Positive
voltage is supplied to the solenoid common connection. Links are marked J1 and J2 on the
PCB.
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