Donaldson Torit Dust Collector UMA 40MM

Isolate electrical supply and remove fan chamber lid

Disconnect electrical wiring to terminal box

Remove the four bolts securing the motor drive bed-plate and withdraw the complete assembly from the unit case

Loosen, but do not remove, the four socket screws in the base flange and withdraw drive cover

Remove the six nuts securing flange of bearing housing to the bed-plate and withdraw the housing

Remove fan pulley and the six bolts securing the fan case

Remove fan impeller and fan case

Remove end caps and spacers from fan bearing housing

Pressure drop across the filter assembly

Record the figure in the log book

Pressure drop increased significantly over two or three successive checks?

Check the filter if pressure drop increased significantly

Pressure drop across the secondary or absolute filter

Change the filter when the pressure drop reaches 100 mm W.G.

Inspect the explosion relief assembly weekly

Ensure the bursting panels are intact and clear of obstruction

Prevent build-up of snow or ice on explosion panels during winter

Every 1000 working hours the following parts should be checked:

2) Rubber seals – for tears and over-compression.

3) Shaker mechanism with particular attention to:

- Broken locators on shaker bar.

- Torn shaker bar support strap(s).

Warning: For trained personnel only

Open secondary/absolute filter door

Lift bar to release sealing mechanism for UMA 40MM

Undo clamping nuts or clips as appropriate and remove retaining mesh or frame for UMA 100-450

Undo clamping nuts sufficient to allow element removal for UMA 750

Remove used element, place it directly into a plastic bag and then seal the bag

Slide the new element into the housing, with the element seal against the secondary/absolute filter seal frame, until it reaches the backstop

Clamp element in position using the arrangement provided

Close secondary/absolute filter door

Warning: Only trained personnel should perform this procedure.

Polyvee drive belt pre-stretched and tensioned during assembly

Enter the tension of the belt as shown in figure 14

Four bolts securing the motor loosened (not removed) for adjustment

Slot holes in the motor baseplate permit the necessary adjustment

Tensioning is correct to avoid harm to the belt and ensure efficient operation of the dust collector

Sign off on the V-belt drive inspection