Repair manual
Steering and Pitch Control CRT Repair
wc_tx000584gb.fm 128
7.30 Removal and Installation of Electric Steer Control Board
See Graphic: wc_gr003441
Removal:
7.30.1 Disconnect the battery.
7.30.2 Disconnect the gray and black connectors (a and b) from the control
board.
7.30.3 Remove the nuts securing the protective cover (c) and remove the
protective cover.
7.30.4 Label the motor control wires before disconnecting them from the
control board. Once labelled, remove the motor control wires from the
control board.
7.30.5 Remove the mounting screws (d) holding the control board onto the
front panel and remove the control board.
Installation:
7.30.6 Inspect the control board. Make sure the insulating strips (e) are
attached to the back of the board. DO NOT INSTALL THE CONTROL
BOARD WITHOUT THE INSULATORS INSTALLED! The back of the
control board has battery-positive terminals on it that may short without
the insulating strip installed.
7.30.7 Place a drop of medium strength thread-lock compound onto the
mounting screws (d) for the control board and install it. Torque the
screws to 10 Nm (7 ft.lbs.).
7.30.8 Install the motor control wires onto the terminals of the control board.
Do not over-tighten the nuts when connecting the wires.
7.30.9 Install the protective cover (c).
7.30.10 Connect the gray connector (a) to the gray receptacle and the black
connector (b) to the black receptacle on the control board.
7.30.11 Reconnect the battery.
7.30.12 Turn the key switch ON and test all control board functions.