15
www.PennBarry.com
PRE-START-UP CHECKS
When the unit is removed from storage, all grease should be purged and replenished with fresh grease. The following check
list should be followed to ensure proper operation:
Operation Check List
Check fan mechanism components
• System connections are properly made and tightened.
• Impeller and fan surfaces are clean and free of debris.
• Impeller has been rotated by hand to verify it has not shifted in transit.
Check fan electrical components
• Motor is wired for proper supply voltage.
• Motor was properly sized for power.
• Motor is properly grounded.
• All leads are properly insulated.
Trial “bump”
• Turn on power just long enough to start assembly rotating.
• Check rotation for agreement with rotation arrow.
Perform checklist again until unit is operating properly. Verify fastener tightness.
These may have loosened during shipment or installation.
• Bolts on inlet funnel.
• Motor bolt torque.
• Nuts holding housing frame to base and base to ground (customer specifications).
• Bushing fastener torque.
Ensure piezo tubing will not contact the impeller.
A
B
C
A Hub
B Bushing
C Bushing screws
C Bushing fastener torque
Bushing type
Screw size
Recommended torque
P2
5/16 - 18
192 in-lbs
Q2
3/8 -16
348 in-lbs
R2
3/8 -16
348 in-lbs
S2
1/2 -13
840 in-lbs
