Installation, Operation and Maintenance manual
20
DFPRE 4 Dust Collectors
Retainer clip*
Coil
Spring washer
Bonnet screw
Solenoid base sub-assembly
(torque to 20 Nm)
Silencer*
Spring*
Core assembly*
Valve bonnet
Diaphragm*
Bleed hole
Valve body
Figure 5: Diaphragm valve
*Included in diaphragm valve service kit
Filter cartridge replacement
All filter cartridges should be changed at the same time.
Removing cartridges requires the use of safety and protective equipment.
Filter cartridges cannot be washed and re-used.
Do not drop cartridges.
Refer also to figure 10.
1. Turn off power to the collector and compressed air.
2. Open Dirty Air Plenum access doors by removing the bolts. Set the doors aside.
3. Begin filter cartridge replacement at one of the top filter access ports.
4. Remove filter cartridge cover by unscrewing wing nut anticlockwise. Set cover
aside.
5. Slide cartridge out of collector along suspension yoke.
Dirty cartridges may be heavier than they appear.
6. Place cartridge into a sealable bag and dispose of the cartridge properly.
If in doubt regarding safe disposal of used cartridges, consult your local
regulations.
