Document J9Opy7Yz72B0LyL13rBzGYLX
OB 4000
A Warning
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.
vr
Installation, Operation and Maintenance of ; Airflex CB Element Assemblies
'V.\
F:TI\I
June, 1990 203674
Copyright Eaton Corp., 1990 All rights reserved.
FAW 06916
FIG.1 - COMPONENT PARTS FOR A1RFLEX TYPE CB ELEMENT
DUAL MOUNTED
0
ITEM -1
1A IB 2 3 4 5 6 7 a 9 5, 8 & 9
DESCRIPTION
Elbow Assembly
Optional - Quick Release Valve Assembly
Optional - Quick Release Valve Muffler
Compression Ring
Air Connection Tube
Air Connection Gasket
Friction Shoe Assembly
Air Tube Group (Dual Mounted)
Spacer Group (Dual Mounted)
Shoe Pin
Lockwire
Friction Shoe Replacement Kit
.
Copyright Eaton Corp., 1990. All rights reserved.
FAW 06917
. 1-0 INTRODUCTION
1.1.4 Where diametral space is limited, or the torque required is greater than a single dement can
Throughout this manual there are a number of HAZARD WARNINGS that must be read
transmit, CB elements size 12CB350 and larger can be supplied as dual units.
and adhered to in order to prevent possible personal injury and/or damage to equipment.
1.2 How It Works
Three signal words "DANGER", "WARNING", and "CAUTION" are used to indicate the severity of a hazard, and are preceded by the safety alert symbol /f\.
1.2.1 Referring to Figure 1, CB construction consists of a neoprene and cord actuating tube which is bonded to the outer steel rim. The rim is drilled for mounting to the driving component s
/l\DANGER - Denotes the most serious hazard, and is used when serious Injury or death WILL result from misuse or failure to follow specific instructions.
(or reaction bracket in the case of a CB brake..."
application). Friction shoe assemblies (FSA-s)
are attached to the inside diameter of trie tube with shoe pins which are theo rataine^ ^ith?
lockwires.
yV
/T\WARNING - Used when serious injury
or death MAY result from misuse or failure to follow specific instructions.
1.2.2
As air pressure is applied to the air actuating tube, the tube inflates, forcingthe friction shoe assemblies uniformly agalnsTthe drum which
/l\CAUTION - Used when injury or product/equipment damage may result from misuse or failure to follow specific instructions.
is attached to thedriy^h component. In the case where the CB demerit is being used as a dutch arid is attache^ to the driving shaft, the
torque fi.ow is from the driving shaft, through
It Is the responsibility and duty of all personnel involved in the installation, operation and main
triedement rtiquhting component (typically an / i.ron ispitier)^through the rim/tube structure to
tenance of the equipment on which this device
Ais used to fully understand the DANGER, A AWARNING, and CAUUON proce
dures by which hazards are to be avoided. <
C- the frletlorj shoe assemblies, where the torque C*';, '' is transtpltted through the friction couple to the
components mounted on the driven shaft A "(clutch drum-and drum mounting component). J AS actuating air is exhausted, the resiliency of
1.1 Description
*,
the tube, aided by centrifugal force when used
.J' - as a clutch, retracts the shoes, resulting in
1.1.1 The Airflex air-actuated CB element asse'm-
` " total disengagement.
bly is designed and manufactured to,provide '
dependable clutch or brake service iri a
1.3 Element Adjustment
multitude of industrial applications. :lt is syited to high speed, cyclic operations, as Well as for coupling and general power transmission; Ail torque load is carried through the; neoprene and cord actuating .tubewhich absorbs damag ing shock loads.Jhe-Airflex;G8;element as sembly requireS rio lubrication tar adjustment.
1.3.1
Airflex CB elements are completely self adjust ing and automatically compensate for lining and drum wear. Lubrication is not required. The torque developed is dependent upon rotat ing speed and applied air pressure. By limiting the applied pressure, the element will act as a torque limiting device and provide overload
1.1.2 All AirfJex g)B'e!ementassemblies are supplied
protection.
with NON-ASBESTQS friction material.
1.3.2 To accomplish regulated or cushioned engage
1.1.3
Aliflex element assemblies are available for drum diameters from four Inches through 45 inches. fThe element size designation indicates the nominal outside drum diameter in inches, the.clufcch model, and the width of the friction material. For example, size "12CB350" indi
ment of the element, a flow control valve may be installed in the element air supply line and adjusted to restrict air flow to the element while allowing free flow away from the element for rapid disengagement. By adjusting the flow, the rate of engagement may be varied.
cates the element operates on a drum having
Note that the flow control valve does not regu
a nominal diameter of 12 inches, is an Airflex
late air pressure - the supply pressure must
"CB" series dutch or brake {the scope of this
always be adequate to transmit the maximum
manual) and has friction material which Is
required torque. Refer to the OPERATION sec
three and one-half inches wide.
tion of this manual for air piping configurations.
2 Copyright Eaton Corp., 1990- Ail rights reserved.
FAW 06918
INSTALLATION
- rW
. Warning: 5
Only qualified personnel should install* adjust or repair these units. Faulty workmansfiip wi11 result in exposure ^hazardous conditions or personal injury.
/i\ 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.
Mounting Arrangements
2.1.1
Figure 2 illustrates the gap-mounted arrange ment. In this arrangement, the element is at tached 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. The gap between the two shafts allows the element and drum to be removed without disturbing either shaft.
Note: The text in the Installation, Alignment and Removal sections refer to this type of mounting arrangement
2.1.2
Close-mounted arrangements may be used when shaft-to-shaft clearance is limited, as
illustrated in figure 3.
2.1.3 Figure 4 illustrates a typical CB brake applica tion. The drum and drum hub are attached to
Copyright Eaton Corp., 1990. AH rights reserved.
FAW 06919
A* A *
.
\ 2.1.4
the shaft which Is to be stopped. The element is attached to a rigid reaction bracket or the machine frame.
Airflex offers several economical packaged applications utilizing CB elements. Figure 5 illustrates an Airflex sheave clutch, Incorpor-. ating a built in rotorseal and sealed bail-bfear'ings. A wide range of sheave slzesscan be' used with this type of package. % *"' . -f
r
Clutch Drum and Hub
2.1.5
Figure 6 illustrates a typical engine-mpunfeH * application, where the clutch element is attached to a spider andtftedrum is;attached
to a shaft-mounted flywheel or builgear. This type of application's typically u^d when
drilling of the air. passage In tbps driving shaft is neither possible nor praptic&l.
2.1.6
Figure 7. illustrates aCBiclutch mounting for punchpr.eSs applications. The drum and drum hup are| attached'tbithe crankshaft or backshaft and the element Is attached to a bearingmounted flywheel or builgear. CB clutches on punch .presses are typically used in combina tion witfi/^irflex type CTE or CS brakes.
Crankshaft or -
Backshaft
2.1.7 $trffex can provide specific drawings
\ covering the different mounting arrangements
^ mentioned. The maintenance of the element
.iv} ^
assembly, tolerances and wear limits of friction
v -j
material, and alignment specifications in this
" v manual apply to all CB applications.
nm
Flywheel or Builgear
\\
m m
-----------pjg j
4 Copyright Eaton Corp., 1990. Ail rights .reserved.
FAW 06920
2.2 Mounting Considerations
2.2.1
The element must be protected from contamination by oil, grease or excessive amounts of dust,
Caution:
OH or grease contamination will result in a reduction of developed clutch or brake torque. Either of these conditions will result in clutch or brake slippage and overheating.
Caution:
Ail rotating equipment must be guarded to comply with applicable safety standards.
2.2.2
For clutch and brake applications, shaft align ment must be within the tolerances indicated in the Alignment section of this manual.
Caution:
Operation with shaft misalignment
exceeding the limits indicated in the
Alignment section of this manual will
result in accelerated wear of the ele
ment components. Severe misalign-
,.
ment will result in excessive vibration \
and/or overheating when disengaged , f '
due to dragging of the frictioh shoes. \
2.2.3
All mounting fasteners must be.of the proper
size and grade, andjtorqued.to tHe appropriate
value. See Table
'
TABLE 1 - FASTENER SIZE & ASSEMBLY XORQUE . 7 , :
D ~ DRY TORQUE-FT-L8 (Nm)
\J
L - LUBED TORQUE - FT-LB (Nm) (SAE 30 OIL OR ANTI-SEIZE;6^PO.dlC3)
ALL FASTENERS GRADE 2 OR BETTER
r ;v-
;^
SIZE 4CB200 6CB200 8CB250 10CB30G 12CB350 14CB400 16CB500 18CB500 20CB500 22CB500 24CB5G0 26CB525 , 28CB525 30CB525 r 32CB525 36CB525 40CB525':` 45CB525r
ELEMENT TO SPIDER 1/4-20NC
TORQUE D 7 (10)
3/8-16NC
11' .. D IS (20)
V| :
1/2-33NC J: 'i;
D 38 (51)
5/8-1 INC
D 77 (104)
3/4-10NC
L 93 (126)
, ' DRUM TO HUB
--
3/8-16NC 1/2-13NC
3/4-10NC
1-8NC
Dual/assemblies use the same values as listed above. For element to element fasteners, use element to spider fastener sizes and torque values.
TORQUE
--
D 15 (20) D 38 (51)
L93 (126)
L163 (221)
5 Copyright Eaton Corp., 1990. Al! rights reserved.
PAW
2.3 Mounting Spider and Drum Hub
2.4 Shaft Alignment
2.3.1
The spider and drum hub are bored for a press fit onto their respective shafts. The interference is approximately .0005 in. per inch (.0005mm/mm) of shaft diameter.
2.3.1.1 Ensure the shaft is clean and free of nicks or burrs and check the shaft and bore diameters
; for proper fit
2.3.1.2 Tap the key into the keyway, making sure it bottoms.
Note: The text in this section applies to gapmounted applications; however, the alignment tolerances apply to all types of mountings.
Parallel Alignment Tolerance (Offset):
Not to exceed 0.010 inch (.254mm) Total
Indicator Reading (0.005 in. (.127mm) -
maximum offset).
. ,u
2.3.1.3 Apply a light coat of anti-seizing compound to the shaft and key.
2.3.1.4 Heat the drum hub or spider uniformly to 250F (121C) to expand the bore.
A Caution:
It is recommended the drum hub or spider be heated in oil or an oven; however, since this is not always possible, torches may be used. When using torches, use several with ' rosebud" (broad-flame) tips and keep them moving to avoid "hot spots'*. Check bore temperature frequently to avoid overheating.
/
2.3.1.5 Slide the heated drum hub or spider ontothe shaft until the hub face is flush with theend of the shaft Hold In position and alloy/ to coof.
Angular Alignment Tolerance i<Gap):
Not to exceed 0.0005 incfr per inch
(.0005mm/mm) diameterat which.readings
are taken ("D" on Tigs. 8).
\
Note: The alignment procedure described below has been usedWccessfully on many
C8 clutch and brake applications. Other procedures, of bourse, may be used; however, the alignment tolerances are the .. .jSstole regardless of the technique used.
2.4.1 Foundation's must be set so distance "X", ; shovyd lrt Figure 8, is established, if the clutch
'C*' Amounted on a shaft having plain bearings, :; make sure the shaft is centered within the
bearings when establishing the "X" dimension. f'Y' Refer to Table 2 for appropriate "X" dimensions
, Note: It Is presumed that one of the shafts has been property located and anchored.
TABLE 2 - "X" DIMENSIONS (FIG,:8)
SINGLE ELEMENTS
"X" In. (mm)
,,:-dual ELEMENTS
6CB200 3.250 (82.6). '
8CB250 3.750.49^3) '
10CB300 4.375411^2)
12CB350 5.0001127.0) ':,f2CB35a
14CB400 ;5-bo0 (1397) f>f4CB4O0 16CB500; S7.0l2 (179-4" ' 16CB500
18QB500.1 7.062- (179.4) 18CB5O0
-20.CB50a 7.062.(t79>4) 20CB500
22CB500 ^7.062 (179.4) 22CB500
24CB5O0, 7.062 (179.4) 26CBS2S':.;, 7,500 (190.5)
24CB500 26CB525
28.CB525 7.500 (190.5) 28CB525
;WC'B25 7.500 (190.5) 30CB525
32CB525 7.500 (190.5) 32C8525
P36CB525 7.500 (190.5) 36CB525
4GCB525 7.500 (190.5) 40CB525
45CB525 7.500 (190.5) 45CB525
`X" in. .. (mm)
-r-
-- -- 10.500(266.7) 11.500(292.1) 14.000(355.6) 14.000(355.6) 14.000(355.6) 14.000(355.6) 14.000(355.6) 14.625(371.5) 14.750(374.7) 14.750(347.7) 14.750(347.7) 14.750(347.7) 14.750(347.7) 14,750(347.7)
Fig. 8
6 Copyright Eaton Corp., 1990. Al! rights reserved.
FAW 06922
2.4.2
Fabricate a rigid bracket for supporting a dial indicator and attach to the spider. See Figure 8.
2.4.3
Thoroughly clean the flange O.D. and the face of the drum hub where alignment readings are to be taken.
2.4.4
Rotate the spider and take parallel alignment readings off the drum hub flange O.D. if both shafts can be rotated together, the alignment readings are less Influenced by any surface irregularities.
/i\Caution:
2.5.2
Separate the shafts as far as the bearing clearances will allow and hoist the element/drum into position.
. -
2.5.3
Attach the drum to the drum hub with the ap propriate fasteners. See Table 1. Make sure the bore in the drum flange fully engages the pilot on the drum hub.
.
2.5.4
Apply a small amount of gasket cement to the < air connection gaskets to hold them in position -r;v H J during installation. Install the air connection . , gaskets onto the air tubes. See Figur^ 9. vh/i
"
When recording parallel alignment readings, ' sag11 of the indicator/ indicator bracket must be accounted for.
2.4.5 2.4.6
2.5
Angular alignment readings can be made by
accurately measuring the gap between the
spider and drum hub faces with an inside
micrometer. If a died indicator is used, make
sure to monitor and correct for any axial move
ment of the shaft. To reduce the influence any
.
surface irregularities may have on the angular
2 5 5'
alignment readings, index the spider 90
\A
degrees after taking the initial set of readings.
>.
Take an additional set of readings and index \ ^J s
the spider another 90 degrees. Continue imthis
manner until four sets of readings have beem :
taken. For misalignment correction, usethe
average of the four readings at each position. ;t;
in other words, average the four top^eaciings. i. "v
the four bottom readings, and each.of the fourr' 2-6-1
side readings.
'........ 'V'*'
Shim and shift the base-pfthe movable shaft to correct the misaiignmenf -After tightening the base, recheck the alignment and correct if necessary. Make'sure to check tor a "soft foot" condition. Dowekpr cboqlfjntO position after satisfactory.a^9nment hasbeen achieved.
0c1
Note: >ih many applications, thermal growth of the driving ;o| d.r[v|n machinery may result lnnjnacce$abl shaft alignment in a running condition. It is always good practice to make a "hot alignment1 check and re-shim if necessary.
, v;,;'
2.6.1.3
Atigathe element air connections with the passages in the spider and attach the element !tq the"spider with the appropriate fasteners. See Table 1. Make sure the element fully engages the register in the spider.
Air Control System
A typical air control system is shown in Figure 10. Since the air control system used will be dependent on the specific application, a detailed description cannot be made in this manual. Following are some general guidelines for installing and adjusting air controls.
The air receiver tank must be located as close to the rotorseal as possible (within five feet) for consistent clutch or brake response.
Use full size piping and valves consistent with the rotorseal size.
Keep the number of elbows to a minimum.
Installation of Element and Drum (Single and Dual)
2.6.1.4 Use poppet-type solenoid valves. Spool valves are not recommended.
5.1Note the orientation of the drum flange with respect to the air connection(s) on the element and slide the drum into the element.
2.6.1.5 An air line lubricator is not required for the element; however, if one is used, it must be a non-adjustabte, mist-type.
7 Copyright Eaton Corp., 1990. All rights reserved.
FAW 06923
Rotorseal
Row Control Valve
Solenoid Valve ^Relief Valve
Gauge
Pressure Switch
Pressure Regulator
Pressure / Pressure
Gauge
Switch "
Rg-10
-Tank Drain
Rlter
2.6.1.6 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-
2.6.1 .7 The final connection to the rotorseal MUST be made with flexible hose and place no radial load upon the rotorseal.
A Caution:
Do not use rigid pipe at the connec tion to the rotorseal. Rigid piping will result in excessive loads on the rotorseal bearings, shortening life.
A Caution:
Maximum applied air pressure is 110 psig (7.5 bar). Operation at pressures exceeding 110 psig may result in damage to the element. Consult the factory if operation at pressures ; J greater than 110 psig is desired. ' > ;
3.0 OPERATION
/l\Warning:
Qf
Exceeding the operating limits ^ " described in this,section may result in personal injurY or equipmentdamage.
A ;<N 4 ,, h. y'
3.1 Torque, RPM. and Pressure Limits
3.1.1
The developed torqueIndependent upon the applied air pressure and operating speed. If
the.ddvdioped'torque seems inadequate, check for pit, grease or dust contamination.
Caution:
Maximum applied air pressure is 110 . -psig (7.5 bar). Operation at pressures - ./ exceeding 110 psig may result in
damage to the element. Consult the factory if operation at pressures greater than 110 psig is required.
Caution:
The non-asbestos friction materia!
used in Airflex CB units may hot i '`\l
develop rated torque initially- A short. . -
' wear inu period is required. Clutch or
brake operation shouicTbe iriphitored
closely to prevent excessive heat
generation frothslippages j
3.1.2 Maximum safe operating speeds are shown in Tabie3;: '- ' Aw, T
Danger:
\ Do not exceed the operating speeds s shown tn Table 3. Operation at
speeds greater than allowable will < .result in permanent damage to the v element, personal injury or death.
TABLE 3
MAXIMUM SAFE OPERATING SPEEDS
SIZE 4CB200 6CB200 . 8CB250 10CB300 12CB350 14CB400 16CB500 18CB500 20CB500 22CB500 24CB500 26CB525 28CB525 3QCB525 32CB525 36CB525 40CB525 45CB525
MAXIMUM RPM 1800 1800 1800 1800 1800 1800 1550 1400 1300 1250 120Q 1100 1000 950 900 800 750 700
8 Copyright Eaton Corp., 1990. All rights reserved.
4.0 MAINTENANCE
Caution:
/l\Warning:
Only qualified personnel should main tain and repair these units. Faulty workmanship may result in personal injury or equipment damage.
Caution:
When replacing components, use only genuine Airflex replacement parts. Use of other materials may severely effect performance.
4.1 Periodic Inspection
4.1.1 The following items may be inspected without disassembly of the element:
4.1.1.1
Air Control Components - Check for proper adjustment of the air control components. Make sure the safety pressure switches, if used, are set correctly. Repair any air leaks.
4.1.1.2 Friction Shoe Assembly Lining Wearif the linings have worn to the minimum allow- , able thickness of 1/16" (1.5mm), they must be * - ' replaced as a complete set, with the exception \ l of elment size 4CB2Q0, where replacement of ' : the entire element is required when worn to the minimum lining thickness of 1 /32" (0'.8riirn}\
/i\ Caution: Y*!v
Operation with friction material worn to less than minimum allowable thick? * ness will result in dantag^e to the drum.
4.1.1.3 Contamination of Shoes or Drum - Oil . or grease contamihat/on will /ecjdCe the developed torque.pf the clutch or brake. Disassembly will be required to clean any oil or greasetbiiild-up. Ariy deist accumulation may be-yacuumed. from between the friction shoe; assembles/ ,J;
y^\Caution:
Do not use compressed air to blow dust accumulations out from between the friction shoes. Although the fric tion material does not contain asbes tos, the dust created as the friction material wears, along with the dust from the operating environment, may irritate the respiratory system.
Partial or complete disassembly is required to,,
Inspect the following items:
%
Drum Diameter Wear - Check thie O. Ct of the drum and compare to the value's shown on Table 4. Minor heat-checkingWy be removed by machining the drum O.D. ifthe-druhi has been subjected to,excessive Kpatj, the open end may flare oui: giVingjhpfrppression that the drum has nottoom.|tisThbrefore impor tant to cheCk-.the diameter at several locations across the-face.
Caution:
. Operaiioh of the clutch or brake on ' a druiti that has worn, or has been jnacbiHed, to less that minimum allow t abje diameter will result in damage to
the element components. ,,
. TABLE 4 - DRUM WEAR LIMITS
Element Size
Maximum Allowable Wear on Drum
Diameter*, in.(mm)
4CB200 thru 14CB400
.09(2)
16CB5D0thru 24CB5O0
,12 (3)
26CB525 thru 40CB525 45CB525
.19/5} .25 (6)
* Note: The number preceding the letters "CB" in the element size designates the original drum diameter in inches.
Example: For 10CB300 - Original Drum Diameter = 10.00 inches (254mm). Minimum allowable drum diameter is: 10.00 - .09 = 9.91 (254 - 2 * 252mm).
Do not attempt to use a solvent to remove oil or grease without first Removing the element. While squirting .ja solvent into an installed clutch or - ' brake may improve performance tem porarily, a fire hazard exists from the ' ; i heat generated during slippage.
4.1.2.2 Air Actuating Tube - Check that the rubber tube has not been damaged by excessive heat. If any portion of the tube is hard or charred, the entire element must be replaced. Check for any blisters, which would indicate ply separation. A tube in this condition also requires replacement of the entire element
9 Copyright Eaton Corp., 1990. All rights reserved.
s>.
"A
Fig. 11
4.1.2.3 Friction Sho$ Surface - If the linings are glazed, they may be lightly sanded to remove the glazing PROVIDING THEY DO NOT CON TAIN ASBESTOS.
Warning:
Clean the edge of the lining and note the presence of a green stripe and a yeiiow stripe along with brass flakes in the friction material. If the above exists, the linings contain asbestos. Using the appropriate precautions for working with asbestos, remove the linings and dispose of property. DO NOT ATTEMPT TO SAND FRICTION MATERIAL CONTAINING ASBESTOS,
Caution:
When working with any friction ; ; material, regardless ofayhether or-,/ not it contains asbestos; always wear approved safety equipment.
4.1.2.4 Uneven Frictioh.Lining Wear - Tapered wear across the Inciionsurface typically indicates a worn drurri^and/or misalignment.
4.1.2.5 Contamihation-of Friction Shoes - Mild oil or grease contamination may be removed with a solvent Uningswhich have become saturated must bereplaced. Also, linings that have been charred.from excessive heat must be replaced.
Caution:
' When using any solvent, always follow the appropriate safety precautions.
4.2 Removal of ElenSerit Assembly and Drum (Single-arid Dual}
/ /}\ Warning:
Prior to removal of the clutch or
braker, make sure the machinery is in, : . 'and will remain in, a safe condition.
4.2;1 : "Match mark the element to the spider and the - drum to-lhe drum hub.
4.2.2 Disconnect the element from the spider and / -v allow it to rest on the drum, being careful not to lose the rubber air connection gaskets.
4:2.3
Connect an overhead support to the element and apply enough tension to support the weight of the element and drum.
4.2.4
Remove the fasteners attaching the drum to the drum hub and hoist the element/drum out from between the shafts.
/l\Caution:
Use extreme care when disconnecting the drum from the hub. Shear points exist at the mounting holes.
4.3 Disassembly of the Dual Element
4.3.1 Lay the element on a dean, level work surface with the air connection flange facing up.
4.3.2 Disassemble the long air tube group. See Figure 11.
4.3.3 Remove the fasteners attaching the individual elements together and separate the elements.
10 Copyright.Eaton Corp., 1990. Ail rights reserved.
FAW 06926
4.4 Removal of Spider and Drum Hub
5.0 SPARE PARTS STORAGE
4.4.1
Puiler holes are provided for removal. It will usually require heating along with the puller. When heating, heat uniformly to prevent hot spots.
4.5 Friction Shoe Replacement
A Caution:
Use only genuine Airflex replacement parts. Use of other materials may adversely effect performance.
5.1 Element Assemblies
5.1.1
Element assemblies must always be stored fiat. 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, in a dry environment. Similar to element assemblies, storage of a drum I.n4he standing 'x ;4-
position will adversely affect rouri'dhess. y
4.5.1 4.5.2 4.5.3
4.5.4 4.5.5
Remove the shoe pin lockwires and discard. Withdraw the shoe pins from the element
Remove the friction shoe assemblies from the element.
Place the new friction shoe assemblies in position. Insert the shoe pins with the heads located on the mounting flange and/or air con nection side of the element, as in Rgure 12.
Range counterbored for air connection
Head of shoe pin,
if
Fig. 12
i
>
1 '""
Slide lockwires through.fhe:holes bf,the shoe pins making sure thatrhb scallopdr'bend in the wire points awayfrom the-friction material. Each lockwire should gq.throu.gh two shoe pins, securing.one frictiorrshoe. See Figure 13.
Center the feckWire-so that equal lengths ex tend fromt'each shoe-pin. Bend each end of wife:inwardtowar;d:lHe friction material and around the shoe pin, as in Figure 13.
6.0 ORDERING INFORMATION
6.1 Product Nameplate
l
6.1.1
In any correspondfenceire^ahJing Airflex equip ment, referitB trie information on the product namejDlafey A A
6.2 Element Description / Identification
: .
*-T., A "
6.2.1 i:>'\n theeverrt.the product nameplate is not avail able dr is illegible, note the following element characteristics:
5 s'
?... \<
6.2.1.1 Mounting Arrangement - See section 2.1 of
this manual for descriptions of various mount
ing arrangements.
6.2.1.2 Drum Diameter- Measure the O.D. of the drum, to the nearest inch.
6.2.1.3 Rim Style - Referring to Figure 14, note any special rim features.
6.2.1.4 Air Connection Configuration - Note the number of valves, and method of connection to the the air supply. See Figure 15.
6.3 Technical Assistance.
6.3.1
Technical assistance and/or information regarding Airflex equipment can be obtained by calling or writing:
Eaton Corporation Airflex Division 9919 Clinton Road Cleveland, Ohio 44144 Tel: (216) 281-2211 Fax: (216) 281-3890
11 Copyright Eaton Corp., 1990. All rights reserved.
FAW 06927
FAW 06928
CO
FAW 06929
o
a <0
a> D) c
co H X
<
C cu
E UJ
</> H<0 3
HOQ <X
4->
s
UI M
MS
xx
o CO XH HX 3
sh
UJ
3 LU
5
z
<f--0 X
<
X
UJ
X
Element Description
4CB 200
SCB 200
SCB 250
Minus Side Connection
90 Degree Elbow for use in PCB 206 Side Connection
Minus Side Connection
Minus Side Connection for use in PCB Minus Side Connection
Side Connection Side Connection
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FAW 06933
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REPAIR KITS
Friction Shoe, Shoe Pin and Lockwire Kits
ELEMENT SIZE
6CB2QQ 8CB250 10CB300 12CB350 14CB400 16CB500 18CB500 20CB500 22CB500 24CB500 26CB525 28CB525 30CB525 32CB525 36CB525 40CB525 45CB525
KIT NUMBER
146234A 146234B 146234C 146234D 146234E 146234F 146234G 146234H 146234J 146234K 146234L 146234M 146234N 146234P 146234Q 146234R 146234S
QTY. FRICTION
SHOES 6 8 10 12 14 10 11 12 13 14 16 17 18 19 22 24 27
QTY. SHOE PINS
12 16 20 24 28 20 22 24 26 28 32 34
36 38 44 48 '
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.20 Copyright Eaton Corp., 1990. AH rights reserved.
>:
FAW 06936
Airflex
i
Form ML-318
e
Revised September 1, 1989- ,,
EATON PRODUCTWARRANTY
UWItTATTON 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 property installed, property maintained, operated under normal conditions and with competent supervision. Warranty claims shall be made in writing and the part or parts shall, if requested by Airflex Division, be returned prepaid to the Airflex Division fa inspection. Upon^ a determination that a defect exists, EatotYsHqll' thereupon correct any defect, at its bjdtion either by repairing any defective pali on parts, or by making available at Eaton's'^ plant a repaired or replacement part This warranty' does not extend to normals wear ;;part$Tor components of the Product such, as Action material and friction drum surfaces:v
THE FOREGOING WARRANTY - IS EXCLUSIVE AND IN UEU C)F ALL OTHER WARRANTIES WHETHER-WRITTEN, ORAL OR IMPLIED. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PRRPOSEARESPECiFICALLY . EXCLUDED. "y f
ln no :,,eyent shall Raton be liable for special, incidental br,d6rfe|quential damages. Eaton's liabilfty'arising out of the supplying of such TPr&iuct.Tcr, its use, whether in warranty, I contract dr otherwise, shall in no case exceed '*' the cost of correcting defects in the Products aa.Jierein provided. Upon expiration of the ' ^twelve (12) month period, all such liability shall ... terminate. THE FOREGOING SHALL CONSTITUTE THE SOLE REMEDY OF PURCHASER AND THE SOLE LIABILITY OF EATON.
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Airflex Division
9919 Clinton Road
Cleveland, Ohio 44144
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Printed in U.S.A.
FAW 06937