3-3-10 Drum Flight
Removal and Replacement. See figure 3-8.
Disconnect and lock out the breaker for the drum drive motor and the burner blower motor.
Obtain the required approval to enter the drum.(A confined space). Test the air quality for the presence of
dangerous gases. Ventilate the drum with sufficient air to allow work to be carried out Inside the drum safely.
Clean out the drum Interior.
The drum flights are removed by removing the fasteners that hold them In place. After operating the drum these
fasteners are best removed by cutting the heads off the bolts Remove the flight from the drum.
Install the new flight into the same position as the previous one. Install and torque new fasteners.
The drum discharge flights are adjustable on the fasteners. Position these flights to within 1/8 to ¼ of the
discharge wear plate.
Remove padlock from the breaker and turn breaker on.
3-3-11 Drum Seals
Removal and Replacement. See figure 3-9.
Disconnect and lock out the breaker for the drum drive motor.
Remove fasteners holding the eight seal clamps in place.
Remove seal clamps and drum discharge seal.
Clean the seal clamps, drum surface and mounting areas.
1. Install the new drum seal, clamp and fasteners. Torque bolts as required