Sonic Air Systems Sonic 150 - Periodic Maintenance; Maintenance Schedule and Intervals; Torque Specifications for Fasteners; Belt Replacement Procedure

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7 Periodic Maintenance
7.1 Maintenance Schedule
Sonic 150 series blowers are designed for 24 hour / 365 day operation with periodic
service and / or replacement of the belts and filters.
The following inspection and service intervals are listed as hours of operation or elapsed
time from blower installation, whichever comes first. It is always preferable to perform
maintenance earlier than recommended, especially in hot, cold, wet, dirty, or otherwise
hostile environments.
Inspection or Task
Frequency
Inspect belt for wear
3 Months / 1,000 Hours
Replace belt
12 Months / 4,000 Hours
Inspect belt tensioner
3 Months / 1,000 Hours
Replace belt tensioner
3 Years / 12,000 Hours
Inspect filter / Replace or Clean filter element
Monthly
Inspect motor and grease bearings
12 Months / 4,000 Hours
Replace motor
5 Years / 20,000 Hours
Bearing cartridge bearings
Sealed – No Service Required
Replace bearing cartridge
4 Years / 16,000 Hours
Inspect blower and motor pulley
3 Months / 1,000 Hours
Inspect hardware torque
12 Months / 4,000 Hours
7.2 Torque Specifications
Bolt Description
Recommended Torque Value
1/4-20 SHCS
12 ft-lbs (16 N-m)
5/16-18 SHCS
25 ft-lbs (34 N-m)
5/16-24 SHCS
20 ft-lbs (27 N-m)
3/8-16 HHC or SHCS
30 ft-lbs (41 N-m)
1/2-13 HHC
45 ft-lbs (61 N-m)
7.3 Belt Replacement Procedure
7.3.1 Tools Required
Description
Qty.
Description
Qty.
9/16 inch box-end wrench
1
1/2 inch socket
1
¾ inch deep socket (optional)
1
3/8 inch ratchet driver
1
Rubber Mallet (optional)
1
#3 Drive Extension (optional)
1
7.3.2 Belt Replacement Procedure
1. Remove the belt guard using the 1/2 inch socket. (See Figure 36)
2. Using the 9/16 inch box-end wrench, rotate the belt tensioner arm counter
clockwise (CCW) and remove the belt. (See Figure 37)
3. Clean any belt debris or dust from blower and pulleys. Do not use any abrasive
materials on the pulley grooves as this will damage the grooves and cause
subsequent belt failures.