17
Donaldson Company, Inc.
1. Check that the collector is securely bolted to the
floor or mounting pad.
2. Check that all duct installation is complete and all
removable panels are in place.
3. Check that all hopper outlets are fitted with
containers or closed to prevent airflow from entering
the system through the hopper outlets.
4. Check all electrical connections for tightness and
contact.
5. Check for proper rotation as noted on the fan and/or
hopper discharge device housing.
To reverse rotation, single-phase power supply:
Follow manufacturer’s instructions on the motor’s
nameplate.
To reverse rotation, three-phase power supply:
Switch any two leads on the motor junction box.
Do not interchange a power lead
with the ground wire. Severe
personal injury and/or property damage may
result.
6. Check and remove all loose items in or near the inlet
and outlet of the collector.
7. Check that all remote controls and solenoid
enclosures (if applicable) are properly wired and all
service switches are in the OFF position.
8. Check that all optional accessories are installed
properly and secured.
9. Turn power ON at source.
10. Turn the compressed-air supply ON. Set
compressed-air supply pressure to a level suitable
for the filters (90-psig).
11. Turn fan motor ON.
Do not look into fan outlet to
determine rotation. View the fan
rotation through the back of the motor.
Check that the exhaust plenum is free of tools
or debris before checking blower/fan rotation.
Stand clear of exhaust to avoid personal injury.
12. Turn the Solid-State Timer ON and check that valves
operate in the proper sequence by monitoring the
LEDs on the front panel.
13. Verify operation of interlocks and audible warning
system, if equipped.
Instruct all personnel on safe use and maintenance
procedures.
Electrical work during
installation, service or
maintenance must be performed by a qualified
electrician and comply with all applicable
national and local codes.
Turn power off and lock out electrical
power sources before performing service or
maintenance work.
Turn compressed air supply OFF, bleed and
lock out lines before performing service or
maintenance work.
Check that the collector is clear and free of all
debris before starting.
Do not install in classified hazardous
atmospheres without an enclosure rated for
the application.
Optional fans over 600 lbs must be
independently supported.
Preliminary Start-Up Check
Typical Start-Up Sequence
1. Turn powered discharge components, such as screw
conveyor or rotary airlock, ON.
2. Turn the equipment being served ON.
3. Turn Solid-State Timer and compressed-air supply
ON.
4. Turn main blower ON, if equipped.
Typical Shut-Down Sequence
To clear residual deposits from the filter bags, filter body,
and equipment served:
1. Turn main blowers OFF, leaving compressed-air
supply ON to allow off-line filter cleaning.
Note: Contact your Donaldson representative for
shutdown instructions for explosion vented
collectors.
2. Wait 10 to 15 minutes and turn Solid-State Timer and
compressor OFF.
3. Turn rotary valves, screw conveyors, or other
discharge devices OFF after the dust dislodged by
the aftershift cleaning is removed from the hopper.
Summary of Contents for Dalamatic Cased DLMC 1/2/15
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