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Rexnord 
3001 W. Canal St., Milwaukee, WI 53208-4200 
Telephone: 414-342-3131  Fax: 414-937-4359  www.rexnord.com

 

178-810 

July 2015 

Falk V-Class

TM 

 • Bucket Elevator Inching Drive • Installation, Operation & Maintenance Manual 

Type VR Series • Sizes M107 thru M227 

(Page 7 of 12) 

Step 4:  Use standard factory setting of “0” (5 msec). 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Figure 14 – Set minimum response time 

 
Step 5:  Use setting number 5 (5.0%) to account for 
any variation in motor speed.

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Figure 15 – Set relay trip point (offset) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

Содержание Falk V-Class VR

Страница 1: ...onnection of the inching drive is with an overrunning clutch in an oil bath A typical bucket elevator inching drive is shown in Figure 1 Instructions in this manual apply to drive sizes M127 thru M187 with a mounted inching drive designed for bucket elevator applications See Owners manual 178 052 for additional V Class installation and maintenance information Ultramite installation maintenance ins...

Страница 2: ...ail according to EN 50 022 35x7 5 and 35x15 and G profile rail according to EN 50 035 G32 Figure 3 IFMR Speed Switch After all components are installed the speed switch can be wired per Figure 4 for PRS1 models or Figure 5 for IFMR models LATCH LOW SPEED OPERATE OVERSPEED DROPOUT Pushing the start button energizes and latches the relay and starts the machine The relay stays latched as long as mach...

Страница 3: ...l level in the V Class reducer and the clutch housing to equalize first add oil to the clutch housing per Table 1 See Figure 8 for oil fill locations Table 1 Clutch housing oil volume Fill V Class gear drive with oil to high mark on oil dipstick Prime oil troughs and pans with at least two gallons of oil when filling Allow minimum of 1 hour for shared oil sumps of the V Class reducer and clutch ho...

Страница 4: ...running clutch requires no physical effort to go from main drive operation to inching operation The clutch automatically disengages the inching drive when the main motor is operating It is highly recommended to use a speed sensor and speed switch as a safety device to shut down the main motor in the event of a back driven event This will prevent back driving the inching drive and motor at high spe...

Страница 5: ...ucket Elevator Inching Drive Installation Operation Maintenance Manual Type VR Series Sizes M107 thru M227 Page 5 of 12 Summary of IFMR speed switch configuration Figure 10 Configuring IFMR speed switch Step 1 Set operating mode to Overspeed latched trip release only after alarm reset pulled to common setting no 2 Figure 11 Operating Mode ...

Страница 6: ...levator Inching Drive Installation Operation Maintenance Manual Type VR Series Sizes M107 thru M227 Page 6 of 12 Step 2 Set trip frequency using actual input speed Figure 12 Set trip frequency using actual input Step 3 Set trip frequency using rotary switch required only if step 2 was not completed Figure 13 Set trip frequency with rotary switch ...

Страница 7: ...V ClassTM Bucket Elevator Inching Drive Installation Operation Maintenance Manual Type VR Series Sizes M107 thru M227 Page 7 of 12 Step 4 Use standard factory setting of 0 5 msec Figure 14 Set minimum response time Step 5 Use setting number 5 5 0 to account for any variation in motor speed Figure 15 Set relay trip point offset ...

Страница 8: ...NTENANCE Periodically check oil level in V Class drive when it is stopped at ambient temperature and has been shut down for a minimum of 20 minutes Add oil if needed If oil level is above the high oil level mark on dipstick lower the oil level to dipstick mark and have the oil analyzed for water content and other contaminants Follow maintenance instructions provided in manuals 178 052 288 400 When...

Страница 9: ...tch housing is used to set the bearing float in the V Class reducer removal is only recommended when servicing the V Class reducer A Rexnord factory service representative will be required when reassembling the clutch housing to verify the V Class reducer has the proper bearing float and bevel gear contact 8 Thoroughly clean all surfaces on the clutch housing and the Ultramite flange to remove any...

Страница 10: ... drives are supplied from the factory with a target sensing cap screw already installed If the target sensing cap screw is removed or a new hub is being installed the following steps must be completed to install the sensing cap screw Apply Loctite 242 or equivalent to target sensing cap screw Install cap screw with jam nut into clutch hub such that the top of the cap screw is located at a distance...

Страница 11: ...of the outer element Mounting Ultramite to Clutch Housing To assist with setting the gap for the magnetic pickup orientate the clutch hub so that the target bolt is located in the 12 o clock as shown in Figure 21 This can be accomplished by rotating the Ultramite output shaft until the clutch hub is properly oriented Figure 21 Mounting Ultramite to clutch housing Before mounting the Ultramite asse...

Страница 12: ...ing If necessary rotate the clutch hub so that the target sensing bolt is vertical and can be seen thru the hole The inching drive motor can be jogged to accomplish this 3 Move the locking nut of the magnetic pickup to the top of the threads Thread the magnetic pickup into the machined hole in the pipe plug until the bottom of the sensor makes contact with the target sensing bolt 4 Using a dial in...

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