Van Air Systems FD-250 User Manual
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PAGE 4
FD-250 QTY
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FD-250-DC QTY
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SECTION 6
REPLACEMENT PARTS
DESCRIPTION
Gasket for 3"x4" hatch cover
Hatch Cover, 3" x 4"
Sight Window
Manual Drain Valve 1" NPT
Manual Drain Valve 1/2" NPT
Air Motor for Aftercooler
Filter-Regulator-Lubricator
Element for FRL
Oil for Lubricator (Quart)
DESICCANT - DRY-O-LITE, 50 LB BAG
Flushing Solvent
OPTIONAL EQUIPMENT
Relief Valve 1/2" NPT 200# set pressure
Pressure gauge kit
Pressure gauge only
Temperature gauge kit
Temperature gauge only
Thermowell only
Combination pressure/temperature gauge
Automatic drain valve PDV-500T
White touch up paint (9 oz. spray can)
Male connector for 12 VDC motor wires
PART NO.
18-0391
46-3002
26-0104
14-0451
14-0450
26-6277
26-7039
26-7056
26-7032
33-0311
26-7157
14-1810
29-0252
29-0151
29-0326
29-0108
29-0107
29-0200
39-0284
45-0152
26-7178
2950 Mechanic Street
Lake City, PA 16423-2095
Phone: 814-774-2631
www.vanairsystems.com
The air motor on the FD-250 cooler needs to be flushed to remove excessive dirt, foreign particles, moisture and/or oil that accumulate in the air
motor during normal operation. Flushing helps to maintain proper motor performance and extend service life. Perform flushing procedure when
BlastPak is to be idle for more than 5 days, or if it is to be placed in storage.
Use Van Air Flushing Solvent (p/n 26-7157).
DO NOT use kerosene or ANY other combustible solvents to flush the air motor.
Shutdown the air supply to the BlastPak and open the afterfilter drain valve to completely depressurize the system.
FLUSHING PROCEDURE
1. Remove the 1/4" NPT plug from the tee in the air line at air motor.
2. Remove the exhaust muffler from the air motor.
3. Spray flushing solvent (Van Air p/n 26-7157) directly into tee where plug was removed for 5 to 10 seconds.
4. Rotate motor shaft/fan, by hand in both directions for several revolutions.
5. Install the 1/4" NPT plug back into the tee and cover the motor exhaust port with a cloth.
6.
You must wear eye protection for this step. Restart the air motor at a low pressure (approx. 10 PSIG) and run it until there is no trace of
solvent in the exhaust air.
7. Listen for changes in the sound of the motor. If the motor sounds smooth, the BlastPak is ready for storage. If the motor is not running
smooth, it will need to be serviced.
8. Disassemble the exhaust muffler that was removed in step 2. Clean the felt and reassemble the exhaust muffler.
9. Install the exhaust muffler on the air motor.
STORAGE
Store the Blast Pak in a location that is free from extreme humidity and corrosive gasses, which can cause damage to the unit.
SECTION 7
PREPARATION FOR STORAGE (FD-250 only)
FLOW
SCFM
100
150
200
250
DRY-O-LITE
LBS/YEAR
132
198
264
330
(This chart is based on 1 shift for a one year period (2,000 hours)@ 100 psig inlet pressure and 75
o
F inlet
temperature into dryer vessel, 100% RH.)
The consumption rate is proportional to the moisture loading. Each 20
o
F increase in inlet temperature
changes the moisture loading by a factor of nearly 2:1.
For special applications requiring desiccants other than DRY-O-LITE, consult factory.