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INSTRUCTION MANUAL
FOR
®
FLEXIDYNE Couplings
Sizes 9C and 11C
WARNING: Because of the possible danger to persons(s) or property from accidents which may result from the improper use of products, it is
important that correct procedures be followed. Products must be used in accordance with the engineering information specified in the catalog.
Proper installation, maintenance and operation procedures must be observed. The instructions in the instruction manuals must be followed.
Inspection
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START-UP DESCRIPTION 1. Remove one of the filler plugs and install ½ the proper FLEXIDYNE dry fluid couplings are a unique concept amount of flow charge specified in Table 1. Replace and to provide soft start and momentary overload protection for tighten filler plug, making sure that no flow charge is all types of driven equipment. Standard NEMA-B motors trapped in the threads. Remove other filler plug and install with RPM base speeds of 1750, 1160 or 860 are the remaining ½ of specifi
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the same acceleration time. A longer time between starts MAINTENANCE will dissipate more heat; therefore, higher starting For average industrial applications involving 3 or 4 horsepowers may be transmitted, or longer acceleration starts a day of not more than 6 seconds acceleration time times may be allowable. (See Starting Cycle) each, the flow charge should be changed every 10,000 Acceleration times shown in Table 1 are for starting hours of operation. For more severe conditions, visu
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Table 1 – Flow Charge Recommendations (cont.) Based on % of Starting Torque for 1175 RPM NEMA Design B Motors 100% @ 1175 RPM 125% @ 1160 RPM 150% @ 1150 RPM 175% @ 1130 RPM 200% @ 1100 RPM Flow Max. Flow Max. Flow Max. Flow Max. Flow Max. Start- Start- Start- Start- Start- Rated FLEXI- Charge Time Charge Time Charge Time Charge Time Charge Time ing ing ing ing ing Motor DYNE In In In In In HP Size HP HP HP HP HP Lbs. Oz. Lbs. Oz. Lbs. Oz. Lbs. Oz. Lbs. Oz. Sec. Sec. Sec. Sec. Sec
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Reassembly: 1. Install new seal felt and replace seal shield in drive housing. 2. Install housing seal (red in color) on rotor retainer and set rotor retainer in place in drive housing. Make certain housing seal does not twist and that it is properly seated in the drive housing. 3. Press ball bearings onto drive housing. Note: Press against inner (not outer) race of bearing. Make certain rotor retainer is not cocked when bearing enters it. Check to see that rotor retainer r
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FLEXIDYNE Trouble Analysis Symptom Cause Cure Vibration 1. Misalignment 1. Realign drive or coupling. 2. Bent shaft 2. Replace or straighten. 3. Excess flow charge 3. Remove small amount of flow charge. 4. Fused flow charge 4. Correct the overload. 5. Improper installation – Output shaft jammed 5. Readjust spacing between shafts and against housing FLEXIDYNE. Erratic Acceleration 1. Breakdown of flow charge 1. Replace flow charge. 2. Caked flow charge 2. Moist environment – use sta
