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Maintenance
Note: Actual belt deflection “force” must not exceed the maximum “force”
value shown in Table 6. |
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Table 6. | Belt tension measurement and deflection ranges |
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| Deflection Force (Lbs.) |
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Belts | Small | Super Gripbelts | Gripnotch | Steel Cable | ||||
Cross | P.D |
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| Gripbelts | ||
Section | Range |
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Min. | Max. | Min. | Max. | Min. | Max | |||
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| 3.0 - 3.6 | 3 | 4 1/2 | 3 7/8 | 5 1/2 | 3 1/4 | 4 | |
A | 3.8 - 4.8 | 3 1/2 | 5 | 4 1/2 | 6 1/4 | 3 3/4 | 4 3/4 | |
| 5.0 - 7.0 | 4 | 5 1/2 | 5 | 6 7/8 | 4 1/4 | 5 1/4 | |
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| 3.4 - 4.2 | 4 | 5 1/2 | 5 3/4 | 8 | 4 1/2 | 5 1/2 | |
B | 4.4 - 5.6 | 5 1/8 | 7 1/8 | 6 1/2 | 9 1/8 | 5 3/4 | 7 1/4 | |
| 5.8 - 8.8 | 6 3/8 | 8 3/4 | 7 3/8 | 10 1/8 | 7 | 8 3/4 | |
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7.Recheck the belt tension at least twice during the first 2 to 3 days of operation. Belt tension may decrease until the new belts are “run in”.
Figure 16. Belt tension gauge
Monthly Maintenance
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury.
Before completing the following checks, turn the unit OFF and lock the main power disconnect switch open. Failure to disconnect power before servicing can cause severe personal injury or death.
42 | Packaged Heat Pump • |