Donaldson Torit Dust Collector DLMV 21/7

Physical condition of the collector is good?

Compressed air components checked and in good condition?

Report any issues with compressed air components

Enter the pressure drop across filters

Is the pressure drop within normal range?

Report any abnormal changes in pressure drop

Exhaust monitored and in good condition?

Dust disposal monitored and in good condition?

Isolate the compressed-air supply and remove and clean the filter.

Isolate the compressed air supply, remove the drain plug and air inlet connections and clean thoroughly.

Remove one or two filter bags and inspect for general condition. Replace if necessary.

Check that jet tubes are clean and the orifices are clear.;

Proper solenoid and diaphragm valve operation

Door seals in good condition and contact

Clean-air plenum free of dust accumulation

Report any issues found during the check

Sign off on the dust collector check

Remove nylon tubing by pushing inward on the fitting collar and withdraw the tubing.

Remove the hex-head set screws and washers securing the valve bonnet.

Check that the bleed-hole pin is not blocked.

Place the diaphragm over the bleed hole pin with the nylon sealing washer inside the valve throat.

Position spring, if equipped, inside the bonnet recess.

Replace valve bonnet with the spring over the diaphragm disk shoulder and bonnet over the bleed hole pin. Secure using the hex-head set screws and washers removed in Step 2.

Reconnect nylon tubing and secure.

Sign off on the diaphragm replacement

Activate the pulse cleaning for 10 to 15 minutes to remove excess dust from the filter bags.

Remove header cover, if equipped.

Remove jet tubes and set aside.

Remove the hex nuts securing the wire insert. Remove the clamps and withdraw the insert and filter bag. Inspect insert for excess corrosion, broken mesh, or other damage and replace as necessary.

Slide the filter bag over the wire support frame as shown. Slide bag carefully until top of bag is tight against the support frame flange.

Place filter bag and wire support assembly in seal frame slots as shown.

Position clamps and tighten using a deep well socket and extension. Do not overtighten. Maximum recommended torque is 20 ft/lb. Note: If filter bags are mounted horizontally, tighten bottom clamp first.

Replace jet tubes with the open end pressed firmly into its locator and the orifices directed toward the filter bag.