Thoreson-McCosh Industrial Dryer TD-150

Ensure the unit is powered off before starting the procedure

Avoid measuring the resistance of the sensor to prevent damage

Locate the sensor manifold assembly

Remove socket from the manifold

Remove sensor and insert from manifold

Ensure the unit is powered off before inspection

Verify the presence of Blower Rotation Alarm on the unit

Blower Motor Rotation Verification

Is the Blower Rotation Alarm activated?

Is the alarm light on and message displayed on the digital readout?

Manual Rotation Check (if no alarm present)

Remove the side panel to access the process blower

Is the process blower motor rotating clockwise?

Read instructions completely before attempting to remove the beds.

Set Off/Auto/On switch to On, Set key switch to 'Adjust Setpoints'.

Follow the procedure in Section 8.2 'Forcing a Bed Index'. When the beds are clear of the manifolds, remove power from the dryer.

Loosen the band clamps that hold the bed tight up against the turret plates, and remove the bed from the unit. Remove the band clamps.

Apply power and repeat the previous steps until all the beds have been removed.

Enter the amp draw of blower motors

Refer to wiring diagram, insert, and individual motor nameplate for specifications

Is the process dew point within the acceptable range? (max. = −40°F)