Honeywell Modulating Proportional Control Motor M9174C 1025

Power turned off and wiring removed from the old motor

Crank arm removed from shaft of old motor and old motor removed

Determine necessity of the mounting bracket

If no bracket is required, mount the new motor directly to the equipment

If the bracket is required, refer to the Adapter Bracket section and Fig. 3

New motor mounted with No. 12 or 1/4 inch machine screws or bolts

Damper crank arm and linkage mounted to the new motor shaft

Checkout procedures used to test the crank arm and linkage adjustment

Sign off on the damper replacement

Inspect motor, linkage, and valve or damper to ensure all mechanical connections are correct and secure

Ensure that there is adequate clearance for the linkage throughout the entire motor stroke without binding or striking other objects

Ensure the motor transformer is properly sized

Drive the motor fully open and fully closed

For spring return motors, ensure that the valve or damper returns to normal position upon power interruption

Return the controller to the desired setting before leaving the job