Specifications

ManualsBrandsElectrIQ ManualsAir ConditionerAIRFLEX 15

VC 5000

Installation, Operation

and Maintenance of

Airflex

Model VC

Element Assemblies

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 the U.S.A. and Canada:(800) 233-5926

Outside the U.S.A. & Canada: (216) 281-2211

Internet: www.eaton.com/airflex

August, 1989

(Revised: March, 2010)

203675

Summary of content (34 pages)

PAGE 1
VC 5000 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. Installation, Operation and Maintenance of Airflex® Model VC Element Assemblies Use Only Genuine Airflex® Replacement Parts. The Airflex Division of Eaton Corporation recommends the use of genuine Airflex replacement parts.
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Table of Contents 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 How It Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 7.0 PARTS LISTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.1 Single Narrow Element Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.2 Dual Narrow Element Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 7.
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1.0 INTRODUCTION 1.1.3 Airflex element assemblies are available for drum diameters from 11.5 inches through 76 inches. The element size designation indicates the nominal drum diameter in inches, the clutch model and the width of the friction material. For example, size “38VC1200” indicates the element operates on a drum having a nominal diameter of 38 inches, is an Airflex “VC” series clutch or brake (the scope of this manual) and has friction material which is 12 inches wide. 1.1.
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Figure 2 2.0 INSTALLATION Only qualified personnel should install, adjust or repair these units. Faulty workmanship will result in exposure to hazardous conditions or personal injury. 2.1 Mounting Arrangements 2.1.1 Figure 3 illustrates the gap-mounting arrangement. In this arrangement, the element is attached to a spider which is typically mounted on the driving shaft. The drum is attached to a drum hub which is typically mounted on the driven shaft.
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SINGLE NARROW & SINGLE WIDE Element Spider Drum Hub Drum DUAL NARROW Figure 4 Outboard Element DUAL WIDE Outboard Element Figure 5 2.1.4 Figure 6 illustrates a typical marine main propulsion application. In this arrangement, the element is attached to a pinion adapter plate and the drum and drum hub are attached to a quill shaft. A manifold is attached to the outboard end of the element for bearing support of the quill shaft. Figure 3 2.1.
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2.1.5 Illustrates a typical marine main propulsion application where the clutch is mounted between the engine and reduction gear. In this arrangement, the VC clutch is combined with a Geislinger® flexible torsional coupling. Oil or grease contamination will result in a reduction of developed clutch or brake torque. Excessive dust contamination may result in incomplete disengagement. Either of these conditions will result in clutch or brake slippage and overheating.
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TABLE 1 FASTENER ASSEMBLY TORQUE SN = SINGLE NARROW SW = SINGLE WIDE DN = DUAL NARROW DW = DUAL WIDE L = LUBED TORQUE - FT.LB. (Nm) (30 WT. MOTOR OIL OR ANTI-SEIZE) D = DRY TORQUE - FT.LB. (Nm) SIZE ELEMENT TO SPIDER/SIDE PLATE TO RIM TORQUE DRUM TO HUB TORQUE SN11.
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TABLE 1 FASTENER ASSEMBLY TORQUE SN = SINGLE NARROW SW = SINGLE WIDE DN = DUAL NARROW DW = DUAL WIDE L = LUBED TORQUE - FT.LB. (Nm) (30 WT. MOTOR OIL OR ANTI-SEIZE) D = DRY TORQUE - FT.LB.
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2.3 Mounting Spider and Drum Hub 2.3.1 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. 2.4 Shaft Alignment Note : The text in this section applies to gap mounted applications; however, the alignment tolerances apply to all types of mountings. Parallel Alignment Tolerance (Offset): 2.3.1.
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2.4.1 Foundations must be set so distance ‘X”, shown on Figure 9, is established. If the clutch is mounted on a shaft having plain bearings, make sure the shaft is centered within the bearings when establishing the “X” dimension. Refer to Table 2 for appropriate “X” dimensions. tion, use the average of the four readings at each position. In other words, average the four top readings, the four bottom readings, and each of the four side readings. 2.4.
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2.5.5 Align the element air connections with the passages in the spider and attach the element to the spider with the appropriate fasteners. See Tablel. Make sure the element fully engages the register in the spider. Use only the proper grade and number of fasteners. Using commercial grade fasteners (Grade 2) in place of Grade 8 fasteners may result in failure of the fasteners under load, causing personal injury or equipment damage.
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2.6 Installation of Element and Drums (Dual Wide) 2.6.1 Separate the shafts as far as the bearing clearances will allow. 2.6.2 2.6.6 Align the air connections and reassemble the element halves, making sure the spacers are in place between the elements. See Figure 11. 2.6.7 Reassemble the air connection tubes. If an elbow has been removed, use a good quality pipe sealant on the threads. See Figure 11.
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loads on the rotorseal bearings, shortening life. 2.7.1.6 If a flow control valve is used, it must have free flow (indicated by an arrow on the valve body) directed away from the element. 2.7.1.7 The final connection to the rotorseal MUST be made with flexible hose and place no radial load upon the rotorseal. Maximum applied air pressure is 125 psig (8.5 bar). Operation at pressures exceeding 125 psig may result in damage to the element.
PAGE 16
The non-asbestos friction material used in Airflex VC units may not develop rated torque initially, as a short “Wear-in” period is required. It is very important that clutch or brake operation be monitored closely to prevent excessive heat generation from slippage. 3.1.2 Maximum safe operating speeds are shown on Table 4. Wear Indicating Groove Figure 13 Do not exceed the operating speeds shown on Table 4.
PAGE 17
Do not use compressed air to blow dust accumulations out of the backing plates. Although the friction material does not contain asbestos, the dust created as the friction material wears, along with the dust from the operating environment, may irritate the respiratory system. Operation of the clutch or brake on a drum that has worn or has been machined to less that minimum allowable diameter will result in damage to the element components. 4.1.2.
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4.1.2.6 Release Springs and Torque Bars - Excessive wear at the ends of the torque bars where the release spring rides indicates excessive parallel misalignment. 4.3 Removal of Element Assemblies and Drums (Dual Wide) 4.3.1 Match mark the element assemblies to each other and to the spider. Also, match mark the drums to each other and to the drum hub. 4.3.2 Disconnect the dual element from the spider and allow it to rest on the drums. Remove the air connection tubes. 4.3.
PAGE 19
4.5 Disassembly of the Element 4.5.1 Lay the element flat on a clean work surface. 4.5.2 Remove the side plate and clean for reassembly. If the torque bar holes are elongated more than one-half the diameter of the pin on the end of the torque bar, the side plate must be replaced. 4.5.5 Remove the remaining side plate only if it is to be replaced. Whenever the element is removed and disassembled, it is always good practice to replace the release springs.
PAGE 20
4.7.4 Carefully insert the air actuating tube into the rim. Push the valves on the tube through the corresponding holes in the rim and install the spiral snap rings (if applicable). 4.7.5 Place a torque bar in each mating hole in the side plate, slide a friction shoe assembly onto each torque bar and carefully tap a release spring (51VC1600, 60VC1600 and 76VC1600 elements have two release springs in each cavity) into place.
PAGE 21
5.0 SPARE PARTS STORAGE 5.1 Element Assemblies 5.1.1 Element assemblies must always be stored flat. Storage in the standing position may cause the rims to go out-of-round. 5.2 Drums 5.2.1 Drums must be stored open end down. Similar to element assemblies, storage of a drum in the standing position will adversely affect roundness. 5.3 Air Actuating Tubes 5.3.1 Air actuating tubes are shipped from the Airflex plant folded to conserve shipping space.
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7.2 Dual Narrow Element Assemblies ITEM 11.
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VC 5000 (PDF FORMAT) 23 ©Copyright Eaton Corp., 2010. All rights reserved. 20 VC 1000 16 VC 1000 14 VC 1000 7.3 4 4 Side Conn. Quick Release Valve 1 Quick Release Valve 2 1 Side Conn. 2 1, 2 or 4 Minus Side Connection Quick Release Valve 4 Side Conn. 4 Quick Release Valve 1 Quick Release Valve Side Conn. 1 Side Conn. 2 1, 2 or 4 Minus Side Connection 2 2 Side Conn. Quick Release Valve 1, 2 or 4 Minus Side Connection Side Conn.
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VC 5000 (PDF FORMAT) 24 ©Copyright Eaton Corp., 2010. All rights reserved. 28 VC 1000 24 VC 1000 1, 2 or 4 1 1 Minus Side Connection Side Connection Quick Release Valve 4 4 Quick Release Valve Quick Release Valve 4 Side Connection 4 2 Quick Release Valve Side Connection 2 Side Connection 2 1 Quick Release Valve Quick Release Valve 1 Side Conn.
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7.
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8.2 Friction Shoe Assembly, Torque Bar and Release Spring Kits NARROW SERIES ELEMENT SIZE WIDE SERIES ELEMENT SIZE KIT NUMBER QTY. FRICTION SHOES QTY. TORQUE BARS QTY.
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9.
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Eaton Corporation Airfiex Division 9919 Clinton Road Cleveland, Ohio 44144 EATON PRODUCT WARRANTY LIMITATION OF WARRANTY Subject to the conditions stated herein, Eaton Corporation warrants to the Purchaser that each new Airflex® Product manufactured by Eaton will be free from failures caused by defects in material and workmanship, and will deliver its rated capacity, for a period of twelve (12) months from the date of shipment to Purchaser, provided such Product is properly installed, properly maintained