Maintenance
5-4
Part 1108061-02
E 2015 Nordson Corporation
Weekly Maintenance
Use the following guidelines to establish a weekly maintenance schedule for
your Colormax Engineered powder coating system.
Table 5-2 Weekly Maintenance
Equipment Procedure
After Filter Waste
Hoppers
Empty the afterfilter waste hoppers as frequently as is required, or monthly.
Refer to Emptying the Waste Hoppers for instructions.
Booth Enclosure Perform the Booth Canopy Conditioning procedure in this section. Clean the
booth exterior, all attached equipment, and the spray room.
Check the enclosure for cracks, damage, and dirt. Seal any cracks.
Differential Pressure
Gauges
Observe and record the differential pressure gauge readings.
Cartridge Filters Pressure Drop: 4−6.5-in. wc
Final Filters Pressure Drop: 1−2.5-in. wc
If the pressure drop across the cartridge filters exceeds 6.5-in. wc, the filters
are clogged. If the pressure drop across the final filters exceeds 2.5-in. wc,
the final filter warning light on the system control panel will light. At 3-in. wc
the system will shut down.
Powder Spray Guns
and Cables
Clean the spray guns. Perform electrostatic resistance checks as described in
the spray gun and control unit manuals.
Powder Pumps and
Feed Hoses
Purge the lance assemblies. Disassemble the pumps and clean the venturi
throats and nozzles. Replace any worn or damaged parts. Blow out the feed
hoses with compressed air. Replace damaged or clogged hoses.
Monthly Maintenance
Use the following guidelines to establish a monthly maintenance schedule
for your Colormax powder coating system.
Table 5-3 Monthly Equipment Maintenance
Equipment
Procedure
After Filter Waste
Hoppers
Empty the afterfilter waste hoppers as frequently as is required, or monthly.
Refer to Emptying the Waste Hoppers for instructions.
Air Dryer Check the air dryer operation. Refer to your air dryer manual for maintenance
procedures and schedules.
Electrical
Connections
Check all terminal blocks and junction boxes for loose wires. Tighten any
loose connections and inspect the system wiring. Replace any damaged
wires.
Gaskets Inspect all gaskets and seals for damage. Replace them if they are damaged.
Fan and
Roll-On/Roll-Off
System Bearings
Every six months, lubricate the fan bearings and all motor bearings with two
shots of No. 2 lithium grease from a grease gun.
Roll-On/Roll-Off
Wheels
Lubricate the flanged wheel bearings with two shots of white lithium grease
every six months.
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