Clutch - Hansen Web Design
Contents
1. For assemhly purpose only Adjustable yoke B 4697 Fig 25 Control Installation L 190 L 193 194 L 195 LF 190 L 200 L 204 L 205 L 210 LF 210 A B C 3 8 1 8 4 2 1 8 1 To 1 1 2 2 5 8 1 To 1 1 2 MODELS L 190 L 193 L 194 O S FOR L 190 L 194 L 195 LF 190 L 200 L 204 L 205 L 210 LF 2102. 10 11 and 12 clutches use anew cushion type driven member this re quires a change in release lever settings to accommodate the new thicker cushion type driven member s Figure l illustrates the 10 11 and 12 inch clutches and Figure 2 illustrates the 14 clutch used in R line trucks see following page Refer to chart on page 3 for truck models and release lever settings The clutchlinkage on R 150 andup chassis has two holes in the clutch release lever see Figures 3 and 4 on page 4 to assure clean clutch release and afford the operator a choice between pedal pressures and travel The clutch linkage adjustable yoke can be installed in either hole on the release lever to suit operator s choice CTS 12 MARCH 1953 Supplemental pages for CTS 11 chassis is 2 inches It is important that clutch pedal ree travel be maintained to avoid pre mature clutch failure Keep clutch control linkage lubricated Clutch release bearing sleeves onall R line chassis incorporate a lubricator fitting to pro vide means of lubricating the clutch release bearing sleeve and fork without their removal from chassis Lubricate as follows Fill release bearing sleeve using hand gun Do not over lubricate Lubricate every 15 000 to 20 000 miles Under unusual Stop and Go driving conditions lubricate every 10 000 miles Use lubricant comparable to Lubriplate No 110 FRINTEO IN UNITEO STATES OF AMERICA Donated by John amp Susan Han
3. 22172 Fig 15 Check springs on SE 1565 Spring tester Release levers K that show considerable wear at the release bearing contact points as well as at the pivot points should be replaced as should worn lever pins L The lever spring G should hold the lever adjusting screw C and pivot block H up firmly against the pivot points on the release levers If this con dition does not exist on the old levers it is sufficient reason for replacement with new lever assemblies Press ram 3 P A 22175 Fig 16 Whenoverhauling clutchassemblies where no clutch fixture is available the following procedure will be found helpful The cover and pressure plate assembly is dismantled by placing it on drill press or arbor press with supporting blocks of Donated by John amp Susan Hansen For Personal Use Only L LINE MOTOR TRUCK SERVICE MANUAL CLUTCHES Section A Page 7 wood or metal under pressure plate Fig 16 These blocks should not extend out beyond tbe outside edges of the pressure plate E A bar is then placedacross the top of the cover assembly and the drill press or arbor press arm brought down to a point where the assembly is compressed slightly From this point on the same pro cedure can be followed as used with the Special type clutch overhaul fixture pre viously explained Clutch Release Levers Hardened steel disc type rollers J are used between the adjusting screw
4. Pressure plate to flywheel surface not shown 15 82 b Release lever to pressure plate 2 9 32 Release lever to flywheel surface not shown 2 3 4 d Cover plate mounting surface to pressure plate surface 1 9 32 Not shown in illustration LEGEND FOR FIGS 1 TO 5 INCLUSIVE A Capscrew for assembly purposes only B Adjusting screw lock nut Adjusting screw Jg Cover t E Pressure plate F Pressure spring G Release lever spring H Pivot block Release lever H J Rollers K L Release lever pin M Drive lug NOTE The above clutch parts are referred to in the following servicing procedure under the designated letter The servicing procedure in gen eral is the same for all clutch assemblies PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only CLUTCHES Section Page 4 CLUTCH Description These clutches are of the single dry plate type and release lever adjustments should not be required during the normal life of the clutch driven plate facings pedal free play is reduced by wear of the clutch driven member facings the correct amount of pedal free travel should be restored by means of the pedal adjust ment which will also give the proper clearance between clutch release levers and the release bearing Itis extremely important to maintain free trav
5. The clutch may then befully released after which all parts are readily dismantled for in spection and replacement if necessary Fig 14 Donated by John amp Susan Hansen For Personal Use Only CLUTCHES Section A Page 6 L LINE MOTOR TRUCK SERVICE MANUAL AN VAN Y Adjusting screw Lock nut Fig I Clutch cover removed Remove cotter keys from release lever pins L and remove pins and levers K pressure plate E that is badly scored checked or warped should be replaced as it will not perform satisfactorily and in addition will damage the clutch driven member If the clutch surface on the flywheel is not smooth the flywheel should be removed mounted in a lathe and smoothed with emery cloth using first a coarse cloth finishing with a fine cloth Where the surface is extremely rough a light cut should be taken on the fly wheel with a lathe tool finishing and polishing with emery cloth Clutch pressure springs F that have had considerable service should be replaced as it is possible that they may have lost their origi naltension see Specifications and thus permit the clutch to slip under load Springs that are discolored due to heat should always be re placed Clutch spring tester Fig 15 or similar unit should be used for testing springs F They may also be tested by comparison with new springs Discard thosenot of same length A
6. references in the text are those shown in Figs 1 to 5 The cover and pressure plate assembly is dismantled by placing specified spacer plate or spacer blocks on clutch overhaul machine Spacer plate 21570 Fig 10 Use proper spacer plate where needed PRINTED IN UNITED STATES OF AMERICA L LINE MOTOR TRUCK SERVICE MANUAL Donated by John amp Susan Hansen For Personal Use Only CLUTCHES Section A Page 5 ed capscrews Fig 11 Spacer blocks are used when pressure plate extends below clutch cover Figs 10 and 11 Center clutch assembly over space plate Draw fixture down to sur face plate being sure fixture arms are seated so as not to damage cover Fig 12 Compress the assembly lightly Clutch cover Pull down arm Spacer block Fig 2 Draw clutch down with pulldown arms A 21574 Remove the three capscrews A used to hold the assembly while removing it from fly wheel Fig 6 Loosen and remove lock nuts B from ad justing screws C Fig 13 Screw adjusting screws C out of cover D turning screws clockwise three or four turns at a time while slightly releasing pressure on backing plate Repeat until pressure from the clutch pressure springs is relieved and adjusting screws C are free of cover D This procedure of grad ually releasing the assembly and backing out of the screws C must be followed in order to avoid damage to tbe lever assemblies K
7. 14 15 m ERO EY s R 11A 1j LEF 210 ins R 14 15 13 5 5 s v T5220 225222599 R 15 8 1 RellA I Le225 sa 9959 R 15 8 LFESITO 223999 4 DLES220 5 ches PAS ERES 11 180 aes 3 9 RON RK 11A 1 2230 oc oad Ge 9 94 p eee lew RS Tad 5250 We a a esd A at R 11A l L230 m y venei ether Page 2 Adjustments neeesa k eR dm dec LAU RECTO a ee LR e OUR vo 1 To 3 Assembling luteh p eatae ke pog e E oe eroe hte da Rr 7 vl tcb chatter Re OE IRURE OR RUE RI STR IR a Ke CH E Cai ia 9 description iu 22 ak b s REGE ea E WO E EOD TR RO dece 4 Driven member assembly s euse sanes eca a hh hm ohm n honos 4 Mstalling clutCH 4 2 544244 hom Ge Rn AS ae 8 Jve rhau ul fixture sacs RO Re y 3st are Be a EG cy es 5 Pedal adjustment sake eki Ep ho oues MR IR MUR S Eo A 9 Release levers recede o os n EU ee we Re RD Rc 7 Removal no soa ee
8. 1A 1 RK 12 12 RK 12 15 R 14 15 R 15 8 A 21581 Fig 1 RK 10B CLUTCH a Pressure plate to flywheel surface 11 32 b Release lever to pressure plate surface 1 15 32 c Release lever to flywheel surface 1 13 16 21577 Fig 2 11 1 CLUTCH a Pressure plate to flywheel surface 11 32 b Release lever to pressure plate surface 1 21 32 c Release lever to flywheel surface 2 PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only CLUTCHES Section A L LINE MOTOR TRUCK SERVICE MANUAL Page 2 A 21582 Fig 3 RK 12 12 RK 12 15 CLUTCHES a Pressure plate to flywheel surface 3 8 b Release lever to pressure plate surface 1 3 4 c Release lever to flywheel surface 2 1 8 A 21576 Fig 4 14 15 CLUTCH a Pressure plate to flywheel surface not shown 15 32 b Release lever to pressure plate surface 2 5 32 c Release lever to flywheel surface not shown 2 5 8 d Cover plate mounting surface to pressure plate surface 47 64 Not shown in illustration Donated by John amp Susan Hansen For Personal Use Only CLUTCHES INTERNATIONAL L LINE MOTOR TRUCK SERVICE MANUAL Section A 7 21575 Fig 5 R 15 8 CLUTCH a
9. Donated by John amp Susan Hansen For Personal Use Only CLUTCHES M L LINE MOTOR TRUCK SERVICE MANUAL NO Page 1 CLUTCH GROUP Motor truck models and their corresponding clutch models are shown in the following list Clutch model specifications will be found on specification page 2 TRUCK MODEL CLUTCH ener TRUCK MODEL CLUTCH MODEL Debhl0 xh a RK 10B L 184 RK 11A I1 Ls120 e 4o oo RK 10B 1 185 c sie is nd RK 11A 1 LM 120 4349 em RK 10Bj LC 180 een RK 12 12 Li130 4 24 3 3k ae A RK 10B Le190 4 45 95 o RK 12 15 Lel 4 3 4554 3999 12 15 RK 10B L 194 RK 12 15 129153 44 curd Rx REOR RK I0B Le195 R 14 15 LM 0I50 o re ym RK 10B LC 190 2 2 eww nee adnata Lzl160 4 542 99 wu GE S190 0521 R 14 15 L163 5 bse eee RellA 1 D200 aa a a n a e a a R 14 15 S064 x ora dew R 11A 1 L 204 ens R 14 15 Lel65 4 4aseR um RellAsl1 Le205 mmm m R 14 15 LO 160 525 0394 UL ReLkA I LGe200 4 545e5e9e9 95435 Be eases mes LTO quat oy RellA i L 210 4 5 9 R
10. block H and lever K which reduces operating friction and relieves the stresson the adjusting screws C Assembling The Clutch Using Clutch Overhaul Fixture Place the clutch pressure plate E with release levers assembled to plate on top of specified spacer plate Fig 10 or Fig 11 Install pressure springs in position on pres sure plate Fig 14 Place clutch cover or back plate D over Springs making sure that springs F are seated properly both above and below and that the adjusting screw holes in cover are directly over the clutch lever adjusting screws C Draw fixture down to clutch cover or back plate D Fig 12 being sure fixture arms are seated so as not to damage cover The assem bly can then be compressed slowly until the top unthreaded portion of each adjusting screw C can be guided by hand up through the tapped holes in cover plate D At this point care should be taken to see that both pressure plate E and cover D are lined up correctly so as to permit free entry of the threedrive lugs M Turn each adjusting screw C up into cover D approximately five turns ata time turning screw driver counter clockwise and after each five turns compress the assembly a small amount The release levers K may now be adjusted to the correct setting as follows Clutch Release Lever Adjustments The releaselevers K should be set to the dimensions shown in Figs 1 to 5 Lever ad justing t
11. el of the pedal at all times to avoid clutch slippage and to protect throw out bear ing Wheneveritis necessary todo any service work on the clutch advantage should be taken of the opportunity to thoroughly recondition it This is a comparatively short job and will assure satisfactory operation overa long period of time whereas failure to do this may neces sitate another tear down within a short time Removal When removing transmission for the pur pose of gaining access to the clutch or for any other reason extreme care should be taken to support the weight of the transmission until it is completely removed so that the main shaft splines will clear the driven member Other wise there is a possibility of distorting the driven member which will not permit a free release of the clutch Cover plate 294 f Capscrew A For assembly only Cover retainer capscrews 21578 Fig 6 Install capscrews A before removing clutch assembly The clutch pressure plate E is drilled and tapped so that three capscrews A see specifications for sizes with washers may be inserted through the cover plate D thereby holding the clutch assembly compressed when it is removed or installed Fig 6 With three L LINE MOTOR TRUCK SERVICE MANUAL A 4 DA capscrews holding the assembly compressed remove clutch from flywheel by backing out the capscrews
12. embly When dismantling a clutch for service the flywheel pressure plate and cover plate assembly should be thoroughly cleaned If the clutch facings show evidence of lubricant they should be replaced It is impossible to remove oil or grease from clutch facings with solvents or by burning THE FOLLOWING PAGES 10 to 14 inclusive ILLUSTRATE PRINTED IN UNITED STATES OF AMERICA CLUTCH INSTALLATIONS Donated by John amp Susan Hansen For Personal Use Only CLUTCHES L LINE MOTOR TRUCK SERVICE MANUAL age m Clutch pedal For assembly purpose only Release bearing Adjusting yoke Pull back H spring oe Release bearing sleeve Fig 21 Control installation L 110 L 120 11 130 1 150 L 153 Series A B c D 11 32 1 15 32 1 13 16 1 To 1 1 2 ENS d B 4563 Donated by John amp Susan Hansen For Personal Use Only CLUTCHES E L LINE MOTOR TRUCK SERVICE MANUAL edi VN V age For assembly purpose only Release bearing sleeve Pull back spring Lubricator Release bearing i 4562 Fig 22 Control Installation LM 120 LM 150 11 32 1 15 32 1 13 16 1 To 1 1 2 PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Per
13. is available Place the clutchassembly on a flat surface and with the adjusting screw lock nuts loose adjust the levers to secure specified dimensions Fig 19 Recheck at each lever to assure accuracy Tighten nuts after adjustment Flat surface Release lever d A 22173 Fig 19 Installing Clutch Figs 21 to 25 inclusive illustrate clutch and control installation When installing the clutch on flywheel in truck care should be taken to see that the clutch driven member is aligned properly by inserting a transmission stub shaft or aligning bar through the driven member splines and into pilot bearing Have dampener mechanism of clutch driven member toward the transmis sion IMPORTANT inspection mark or Capscrews wa For assembly oses only Cover retainer capscrews A 21583 Fig 20 Showing use of aligning bar or shaft when assembling clutch to flywheel arrow is stamped on the outer flange of the clutch cover which indicates the HEAVY side of the clutch assembly The clutch should be assembled to the flywheel so that this mark is adjacent to the mark L stamped on the fly wheel which indicates the LIGHT side Fig 20 Bolt clutch assembly to flywheel making sure that the marks on the flywheel and outer flange of clutch cover match as nearly as pos sible This is important in order to maintain the correct balance of the flywheel and clutch assembly Remove the
14. ith 12 Springs RR 12 12 Cushion R 185 R 1853 R 190 R 191 R 192 R 194 12 Rockford Clutch with 15 Springs es rs ia a RK 12 15 Cushion R 190 R 200 R 210 RF 190 RF 210 Series Chassis 14 Rockford Clutch RK 14 15 Solid 5 16 CR 99 5 16 CR 99 3 8 CR 84 3 8 CR 84 41 64 CR 71 1 11 16 1 53 64 1 53 64 2 5 32 LEVER SETTING C 1 15 16 2 13 64 2 13 64 JOIAWAS HO LOIN ANITY NOLLOSUS HOLNTO Donated by John amp Susan Hansen For Personal Use Only CLUTCH Section A R LINE MOTOR TRUCK SERVICE Page 4 SS N INNER HOLE PROVIDES HIGHER PEDAL PRESSURE WITH LESS PEDAL TRAVEL OUTER HOLE PROVIDES LOWER PEDAL PRESSURE WITH GREATER PEDAL TRAVEL LUBRICATOR RELEASE BEARING SLEEVE A 30486 Fig 3 Clutch Release Lever Sleeve and Bearing For R 150 R 160 R 170 series trucks also R 180 R 181 R 182 R 183 and R 184 trucks RELEASE BEARING LUBRICATOR Zw D RELEASE BEARING SLEEVE i OUTER HOLE PROVIDES LOWER PEDAL PRESSURE WITH GREATER PEDAL TRAVEL INNER HOLE PROVIDES HIGHER PEDAL PRESSURE WITH LESS PEDAL TRAVEL Fig 4 Ciutch Release Lever Sleeve and Bearing For R 185 to RF 210 trucks Donated by John amp Susan Hansen For Personal Use Only A CLUTCHES INTERNATIONAL L LINE MOTOR TRUCK SERVICE MANUAL EA CLUTCHES Models RK 10B R 1
15. moved for any reason it should be examined and replaced if it shows signs of lack of lubrication The bearing and retaining sleeve are available as a unit and neither is furnished separately Donated by John amp Susan Hansen For Personal Use Only NIA CLUTCHES HETERNATIONAD L LINE MOTOR TRUCK SERVICE MANUAL Section A WIV Page 9 Clutch Control Adjustment Figs 21 to 25 inclusive illustrate the assembly of the clutch control mechanism The clutch pedal should have a specified amount of free movement before clutch pres sure is felt See Specifications or Figs 21 to 25 inclusive The clutch release bearing will just touch the clutch release levers when the clutch pedal is depressed the above amount If clutch pedal free movement is 1 or less adjustment is necessary to provide adequate bearing to lever clearance As wear of the clutch facing takes place the clutch release levers move outward reduc ing the clearance between the clutch release levers and clutch release bearing The ad justable yoke on clutch release rod provides means of adjusting the clearance Clutch Chatter Clutch chatter cannot always be attributed to the type of lining being used molded or woven It is generally chargeable to grease or oil on the clutch facing the source of which may be l Failure to remove anti rust grease from the flywheel and pressure plate 2 Excessive anti rust grease in the cover plate ass
16. n e tic cron RO e ea tenen m dados Wir ood i Ba 4 ervicing clut b stu uk Roc ie ur eis e Rr mos 5 6 PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only CLUTCH SPECIFICA TIONS CLUTCH MODELS IH Clutch Model Manufacturer Number of plates Vibration dampener Pressure Springs Number used 9 o o t on on ot ot on Clutch Facings Number used Release Lever Adjustment Flywheel surface to levers ss 22 Clutch Pedal Free Travel Capscrew size for removal and installation 3 8 16x1 3 4 3 8 16x1 3 4 3 8 16x2 10 TT 14 TT 1 1 1 Coil Spring Coil Spring 15 TT 1 Coil Spring 12 15 15 18 145 145 175 175 1 7 16 1 7 16 1 13 16 1 13 16 2 2 2 1 13 16 2 1 8 2 5 8 2 3 4 1 to 1 1 2 1 to 1 1 2 1 to 1 1 2 1 to 1 1 2 1 to 1 1 2 1 to 1 1 2 3 8 16x2 5 8 16x2 1 4 3 8 16x2 1 2 7 pue 5 ES 2 m z A A C 5 Un m A lt m z T Z C gt p SHHOLNTOS Donated by John amp Susan Hansen For Personal Use Only S i CLUTCH S R LINE MOTOR TRUCK SERVICE Section A N Page 1 Clutches on the R 110 through R 190 The clutch pedal free travel for all R line series chassis
17. ool as shown in Fig 17 can be used for accurate adjustment of levers It is very im portant that all three levers be set exactly the same height After levers are set to the cor rect height the adjustment lock nuts B are installed and tightened securely Care should be taken not to upset the adjustment when tight ening the lock nuts PRINTED UNITED STATES OF AMERICA Tighten locknut securely after making adjustment DP ass Fig I7 Checking lever setting FOR SERVICE STATIONS NOT EQUIP PED WITH OVERHAUL FIXTURE the follow ing procedure may be used Place the pressure plate with release levers assembled on supporting blocks on drillor arbor press From this point on same procedure as outlined in the above paragraphs may be followed The release levers K may be adjusted to correct setting as follows Adjust the pressure plate in relation to the clutch cover as shown Fig 18 Usea straight edge across the cover plate sur face and turning the capscrews a small amount at a time secure dimension given in specifications Recheck this operation several times to assure accurate adjust ment Turn capscrews to adjust Clutch cover A 21580 Fig 18 Donated by John amp Susan Hansen For Personal Use Only CLUTCHES MIM Section A L LINE MOTOR TRUCK SERVICE MANUAL Page 8 VUV The release levers are adjusted in a man ner similar to that used when the Clutch Fixture
18. sen For Personal Use Only R LINE MOTOR TRUCK SERVICE Page 2 A 30517 Fig 1 Clutch Models RK 10 B R 11A 1 RR 12 12 RK 12 15 10 11 and 12 clutches See chart on page 3 for truck models thickness of pressure plate spacers and release lever settings Release lever Adjusting screw A 30518 Fig 2 Clutch Model RK 14 15 14 Clutch See chart on page 3 for truck models thickness of back plate spacers and release lever settings 11 5612 20 saded 4 661 HONVW z1 512 vOIH3HY JO S31Y1S NI O34NIBd Donated by John amp Susan Hansen For Personal Use Only The following chart shows truck model clutch model number type of driven member thickness and part number of spacer plate and release lever settings for R LINE Chassis when using the SE 990 Clutch Overhaul Fixture IH CLUTCH TYPE OF TRUCK MODEL MODEL DRIVEN NUMBER MEMBER R 110 R 120 R 130 R 150 RA 120 RA 140 RM 120 RM 150 Series Chassis 10 Rockford Clutch Cushion SPACER THICKNESS AND NUMBER A 5 16 CR 99 LEVER SETTING B R 110 R 120 R 130 R 150 RA 120 RA 140 RM 120 RM 150 Series Chassis with SD 220 Engine 11 Rockford Clutch with 9 Springs Cushion R 160 RC 160 R 170 Series Chassis 11 Rockford Clutch with 12 Springs R 11A 1 Cushion R 170 RC 180 RF 170 Series Chassis and R 180 R 181 R 182 R 183 R 184 Chassis 12 Rockford Clutch w
19. sonal Use Only CLUTCHES A A Section A L LINE MOTOR TRUCK SERVICE MANUAL Page 12 VN V JA Clutch pedal Pull back spring Adjustable yoke s Release sleeve Release bearing B 4564 Fig 23 Control Installation L 160 L 163 11 16 L 165 16 160 Series 11 32 1 21 32 1 To 1 1 2 Donated by John amp Susan Hansen For Personal Use Only CLUTCHES L LINE MOTOR TRUCK SERVICE MANUAL oe age lt p lc mg E MODELS A B C D 1 170 L 173 L 174 L 175 11 32 1 21 32 2 1 to 1 1 2 LF 170 5 FOR L 170 SERIES L 180 p L 183 1 184 25 64 1 3 4 2 1 8 1 to 1 1 2 L 185 Clutch pedal Release bearing Pull back spring Leu EZ NC Sore 4 b N E S i ELA Adjusting yoke NG Release bearing sleeve For assembly purpose only 456 Fig 24 Control Installation L 170 L 173 1 17 1 75 LF 170 1 180 L 183 1 18 L 185 Series PRINTED UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only CLUTCHES Section L LINE MOTOR TRUCK SERVICE MANUAL age
20. three capscrews A holding the assembly compressed The transmission stub shaft or aligning bar is also removed as the driven member assembly will now be held in position by the clutch pressure plate Care should be exercised when installing the trans mission so as not to permit the transmission to hang by the clutch shaft which would bend the hub of clutch driven member creating mis alignment with resultant clutch drag With transmission installed and floor boards in place make correct pedal adjust ments Do not adjust the clutch release levers which were previously set to the correct height and require no further adjustment during the life of the clutch driven plate facings Pedal adjustments only are required to maintain the recommended amount of pedal free travel The specified pedal clearance will assure proper clearance between the clutch release bearing and release levers Figs 21 to 25 incl NOTE When installing the R 15 8 clutch on the International Continental Engine fly wheel place the white paint marking on the clutch cover as close to the letter L light side on the flywheel as possible The white dab of paint on these clutch covers indicates the heavy side of the clutch assembly Important Oil and grease must be kept off the driven member facings The clutch release bearing is lubricated at assembly and should require no further lubrication during the life of the clutch facings If this bearing is re
21. which holdit inplace All capscrews should be backed out gradually to avoid damage to the clutch cover or back plate Driven Member Assembly The clutch driven member assembly should be carefully inspected Facings showing con siderable wear or facings that are rough or oil soaked should be replaced When installing new facings of the continu ous ring type and in cases where two different thicknesses are used on each plate the thick facing is installed on the pressure plate side The thin facing is installed on flywheel side Installation of clutch facings on the cushion type driven member differs from the other type in that each facing is attached to the discs sep arately and independently Fig 7 and 8 Dampener mechanism Rivets A 21572 Fig 7 Solid type driven member Each rivet secures both linings to disc Rivets securing Rivets securing thin facing thick facing Segment cushion type disc Dampener mechanism A 21573 Fig 8 Cushion type driven member Half of the rivets hold thin facing and other naif secure thick facing to disc Clutch Overhauling Fixture A clutch overhauling fixture is available Fig 9 and is adapted to the overhaul and ad justmentof clutches used in International Motor Trucks Complete instructions accompany the machine Arms extended Clutch fully Fig 9 Placing ux in SE 990 piktur Servicing the Clutch NOTE Letter
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