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800.847.0380
www.republic-mfg.com
41
RB4000/RB4002 Belt Replacement Procedure
(May be performed by untrained personnel)
1. Remove washer and nut that secure locking pin (10).
2. Remove locking pin (10).
3. Turn bolts (11) to the left evenly such that the moving carrier plate slides down. Belt (36) should now be loose, and remove
belt (36).
4. Install new belt (36). Position belt (36) such that it is perfectly aligned on the grooves of the blower pulley and motor pulley.
5. Turn bolts (11) to the right such that the moving carrier plate slides up and belt (36) begins to tighten. Continue turning until
belt tension is measured to 75 Hz by a tension meter.
6. Replace locking pin (10) and secure with washer and nut previously removed.
7. Turn blower on and run blower for 1-2 minutes. The belt will loosen considerably.
8. Turn blower off and repeat steps 3-5 but tighten to a reading of 70 Hz.
9. Turn blower on and run blower for 15-30 minutes.
10. Turn blower off and perform final tension check to frequency listed in chart based on motor horsepower.
11. Mark backplate and carrier plate with final positions.
HP
Frequency
Minimum
Tension
Maximum
Tension
40
58-60 Hz
890N
980N-1050N
50
58-60 Hz
890N
980N-1050N
60
64-66 Hz
1060N
1170N-1250N
75
68-70 Hz
1260N
1400N-1500N
Содержание RB-SERIES
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