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Conveying System Mechanical Components Chapter 3: Installation 76 of 138
3-7 Initial Start-up
Making Startup Checks
Before operating the conveying system, check these details:
1. All components in the system must be installed securely and prepared for operation.
Refer to the instructions supplied with auxiliary equipment for specific checks.
2. Couplers, fittings, attachments, and flexible lines must be attached securely and be
vacuum-tight.
3. Electrical and compressed air connections to the pump package, vacuum hoppers,
and filter chambers must be complete, safe, and conform to code.
4. The pump package blower gearbox must be filled with oil as specified in the
manufacturer’s instructions included in the customer information package.
Caution! Do not overfill the blower gearbox with oil; too much oil damages the
blower.
5. If not done already, remove the plastic plug from the silencer air outlet.
WARNING! Keep hands away from the open air inlet to avoid injury!
6. Do not allow any loose parts, tools, or foreign materials in or near the unit and other
system components.
7. Check for proper motor rotation, as indicated by an arrow on the pump package
motor. Bump-start the pump package with the compressed air disconnected just long
enough to verify proper rotation direction.
Note: To change motor rotation:
a. Disconnect power at the external disconnect.
b. Switch any two incoming power leads on the main power supply.
8. Make sure that filter chamber housings have no leaks; check stretcher clamps for
tightness.
Adjusting Sight Glass Proximity Sensor Sensitivity
You can adjust the sensitivity of the material level proximity sensor in the sight glass. The
factory setting usually is correct for most applications. The sensor is factory-installed to the
frame; however, you should install the sensor at the material level height you want.
When adjusting, fill the glass and verify that the sensor detects your material. The LED on
the switch goes out when it detects material.
• For increased sensitivity, turn the potentiometer clockwise.
• For decreased sensitivity, turn the potentiometer counterclockwise.
• Consult proximity switch instructions if necessary or call Service Department.