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HEVC 5005 – Installation, operation and maintenance manual

HEVC 5005 – Installation, operation and maintenance manual
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HEVC 5005 – Installation, operation and maintenance manual - 1

HEVC 5005 - Installation, operation and maintenance manual Powering Business Worldwide

HEVC 5005 – Installation, operation and maintenance manual - 2

General information Forward this manual to the person responsible for Installation, Operation and Maintenance of the product described herein. Without access to this information, faulty Installation, Operation or Maintenance may result in personal injury or equipment damage. Use only genuine Airflex replacement parts. The Airflex division of Eaton Corporation recommends the use of genuine Airflex replacement parts. The use of non-genuine Airflex replacement parts could result in substandard product performance, and may void your Eaton warranty. For optimum performance, contact Airflex: In...

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HEVC 5005 – Installation, operation and maintenance manual - 3

2.3 Mounting spider and drum hub_7_ 2.5 Axial locking device adjustment 9 2.6 Installation of element and drums (dual wide) 9 3.2 Control component adjustment 12 4.2 Removal of element assembly and drum (dual wide) 15 4.3 Removal of spider and drum hub 15 4.5 Friction lining replacement 16 5.0 Spare parts storage 16 6.0 Ordering information/technical assistance 17 7.1 Dual wide element assemblies 18 7.3 Axial locking devices 19 7.4 Friction block and rivet kits 20 7.5 Friction shoe assembly, torque bar and release spring kits 20 EATON HVEC 5005 Installation, Operation and Maintenance Manual...

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HEVC 5005 – Installation, operation and maintenance manual - 4

Item Description 2 Tube (w/valve stem snap rings where required) 4 Compression ring (included with item 3) 7 Friction shoe assembly 8 Air tube group (dual mounted) 9 Spacer group (dual mounted) 10 Replacement friction lining and fasteners 11 Side plate (2 required) EATON HEVC 5005 Installation, Operation and Maintenance Manual E-CLCL-CC002-E December 2015

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HEVC 5005 – Installation, operation and maintenance manual - 5

Throughout this manual there are a number of HAZARD Warnings that must be read and adhered to in order to prevent possible personal injury and/ or damage to equipment. Three signal words Danger, Warning and Caution are used to indicate the severity of a hazard, and are preceded by the safety alert symbol Referring to Figures 1 and 2, the neoprene and cord actuating tube is contained within a steel rim which is drilled for mounting to the driving component. As air pressure is applied to the air actuating tube, the tube inflates, forcing the friction shoe assemblies uniformly against the...

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HEVC 5005 – Installation, operation and maintenance manual - 6

Release spring Friction material contact with drum Torque bar Release spring (Compressed) Drum surface Drum surface Contact with drum Friction shoe assembly withdrawn Side plate Release spring Drum surface Side plate Friction shoe assembly Figure 2 Warning Only qualified personnel should install, adjust or repair these units. Faulty workmanship will result in exposure to hazardous conditions or personal injury. Caution Do not inflate the element without having a drum in place. Inflation of the element without a drum in place will result in permanent damage to the element components....

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HEVC 5005 – Installation, operation and maintenance manual - 7

Mounting considerations Mounting spider and drum hub Shaft alignment must be within the tolerances indicated in the Alignment section of this manual. The spider and drum hub are bored for a press fit onto their respective shafts. The interference is approximately 0.0005 inch per inch (0.0005 mm/mm) of shaft diameter. Ensure the shaft is clean and free of nicks or burrs and check the shaft and bore diameters for proper fit dimensions and are also clean and free of nicks and burrs. Tap the key into the keyway, making sure it bottoms, and apply a light coat of light weight oil to the shaft and...

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HEVC 5005 – Installation, operation and maintenance manual - 8

Shaft alignment Parallel Alignment Tolerance (Offset): Not to exceed 0.010 inch (0.254 mm) Total Indicator Reading (0.005 inch (0.127 mm) maximum off- set). Angular Alignment Tolerance (Gap): Not to exceed 0.0005 inch per inch (0.0005 mm/ mm) diameter at which readings are taken (“D” on Figure 4). Note: The alignment procedure described below has been used successfully on many HEVC grinding mill clutch applications. Other procedures, of course, may be used; however, the alignment tolerances are the same regardless of the technique used. Foundations must be set so distance "X", shown on...

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HEVC 5005 – Installation, operation and maintenance manual - 9

Axial locking device adjustment Installation of element and drum (dual wide) If the "X" dimension shown on Table 2 could not be achieved within +/- 0.250 inch (6.4mm), the axial locking device has a provision to accommodate this variation. Position the motor shaft on its magnetic center and measure the gap between the faces of the drum hub and spider ("X" dimension on Table 2). The difference between this measured dimension and the value shown on Table 2 is the amount of correction to be made with adjustment of the axial locking device. Referring to Figure 5, the overall length of the axial...

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HEVC 5005 – Installation, operation and maintenance manual - 10

Attach the axial locking device (if required) to the flange of the remaining drum with the appropriate short screws and lockwashers. There are tapped holes in the drum to accept the screws. Align the air connections and reassemble the element halves, making sure the spacers are in place between the elements. See Figure 7. Reassemble the air connection tubes. If an elbow has been removed, use a good quality pipe sealant on the threads. See Figure 7. Note: The elbow assemblies on the outboard element (farthest from the spider) use rubber compression sleeves. Make sure the sleeves are secure...

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HEVC 5005 – Installation, operation and maintenance manual - 11

A typical air control system is shown on Figure 8. Since operating characteristics vary from one grinding mill to another, following are some general guidelines for installing the air controls. 2.7.1.4 An air line lubricator is not required for the clutch element; however, if one is used, it must be a nonadjustable, mist-type. The air receiver tank must be located as close to the clutch as possible (the tank should be located within 15 feet of the solenoid valve, and solenoid valve should be within five feet from the rotorseal) for consistent clutch response. 2.7.1.5 Make sure the flow...

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HEVC 5005 – Installation, operation and maintenance manual - 12

Electrical controls Control component adjustment Contact Eaton Airflex engineering for electronic controls suitable for grinding mill applications. Standard controls provides run, inch and timed inch features only. Timed inch creates a delay between successive clutch engagements when spotting the mill to prevent clutch overheating and damage. Other control features, such as clutch slip detection, can be provided. These controls with the inclusion of an HMI, provide slip detection an clutch disengagement based on set parameters. The following section gives "typical" component settings only....

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