CPT CPT Manual de instrucciones - Página 10

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APPENDIX

The CPT is run for 24 hours at the factory before final testing, and the motor rotation direction has been preset

for your type of installation. It should steer your boat easily and require not more than an hour or so of

experimentation to become familiar with it. This dockside check should be performed after installation and

before sea trials.

A. Checking the Steering System

Before starting the dockside checkout, test the amount of play in the boat's steering system. Play in the system,

any movement not immediately reflected by movement in the boat's rudder, should be eliminated or reduced to a

minimum. All boats have some adjustment mechanism to take up slack and this should be used to eliminate play.

At the same time, inspect the system for chafing, frayed cables, or binding. Grease as appropriate. A large

amount of play in a cable or geared steering system can transfer shock loads from the rudder to the wheel and

can be hard on shear-pins, and can limit tight course-holding. Play also makes setting the rudder and deadband

settings difficult, and at best the settings will be a compromise, between understeering to port, for example, and

oversteering to starboard.

Hydraulic systems must be free of trapped air and cannot have excessive leakage past the piston seals. An

indication of this is the ability to move the wheel with steady pressure when the rudder is locked. Air bubbles

and leakage must be corrected if the CPT is to operate correctly. Excessive valve delay in some systems may

also cause play.

B. Performing the Dockside Checkout

1. The belt should be installed on both pulleys.

2. Disengage clutch. (Pull out on drive pulley while slightly turning wheel to disengage clutch pins).

Center the boat's rudder.

3. Flip Sensor toggle to "Standby".

4. Check that 10 amp fuse or circuit-breaker is in place in the red-wire 12 volt (+) line and power is

available to the CPT.

5. For testing, turn Rudder Control On and set to 4, turn Deadband Control to 3. Allow a minimum 60

second warm up period.

6. Engage clutch. Toggle to HOLD HEADING. (slightly turn wheel to engage clutch pins.)

7. Push the 10° PORT button once. The wheel should turn briefly to port, then stop, and will begin

short pulse rotations to port. Once/second. Push the 10° Starboard button once, and the wheel should

turn back to starboard and stop. Toggle the sensor back to STANDBY.

*After a short time the pilot will still make a small periodic correction every 10 seconds, this is

normal. Do not let the short rotations turn the wheel till the rudder-stops are reached. Do not leave

unattended. To Stop the Wheel: TOGGLE TO STANDBY, DISENGAGE CLUTCH, or TURN

PILOT OFF

If the wheel is turning the wrong direction when you push the 10° button, you can reverse the

wheel direction by following the directions for reversing the wheel rotation, section 2-H.

If the wheel does not turn at all, check that the clutch is engaged, rudder at least 4 & deadband 3, and Red

power wire connected to 12v(+). If the power wires are connected wrong there will be no response from the

sensor controls or small drive pulley and the pilot will not operate.

When left on Hold Heading, it is normal for the pilot to make a small correction every 10 seconds. More

frequent corrections usually means the pilot was not allowed adequate warm-up time, the boat's heading is

changing slightly, or there is magnetic interference.

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