Donaldson Torit Dust Collector DLMC 1/5/15

Warning: Ensure to wear appropriate PPE before starting the procedure

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

Turn power off and lock out electrical power sources before performing service or maintenance work

Open access doors and remove jet tube retainer

Remove jet tubes and set aside. Cover the openings to the diaphragm valves

Remove the hex nuts securing the wire cage (insert)

Remove the clamps and withdraw the cage and filter bag. Remove bag and inspect cage for excess corrosion, broken mesh, or other damage and replace as necessary

Sign off on the filter bag removal

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

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?

CAUTION: Do not damage or pierce the membrane during installation. A damaged membrane will leak and fail.

Remove the bolts, flat washers, and hex nuts from the retaining frame and set aside.

Remove retaining frame and set aside.

Remove the Membrex™ vent panel and discard.

Clean old sealant and debris from the outside surface of the grid panel.

Apply sealant to rear panel around bolt pattern.

Install replacement membrane realigning the mounting holes carefully.

Reinstall the retaining frame using the hardware removed in Step 1. Tighten hardware equally to compress the sealant evenly.

Sign off on the membrane replacement

Open access door and remove jet tube retainer

Remove jet tubes and set aside. Cover the openings to the diaphragm valves. To remove jet tube, unbolt the top of the jet tube from the top

Remove the hex nuts securing the insert clamps. Remove the clamps and set aside

Remove venturis and helix tubes. Set venturis aside as they will be reused

Sign off on the helix tube filter removal