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NACD SP214AM, Installation Operation & Maintenance

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NACD SP214AM Installation Operation & Maintenance Download Page 21

North American Clutch & Driveline

Rockford, Illinois

Phone: (800) 383-9204

(815) 282-7960

Fax (815) 282-9160

www.naclutch.com

21

21

Belt Or Chain Tension/Allowable Side load Pulls 

11. Avoid excessive tightening of belts or chains. See the Allowable Side Load tables in this 

Installation section.

12. Avoid excessively loose belts or chains. Belt tension or chain adjustment that is below 

specifications can cause belt/chain “whip” during operation, resulting in bearing failure and 

shortened power take-off service life.

Deflection Caused by Side Load Pulls

13.  Power  Take-Off  deflection  due  to  loads  imposed  by  the  application  should  not  exceed 

specified limits shown in PTO Deflection in the Description and Specifications section. Deflection 

should be measured at the support plate location on the power take-off (or main bearing area 

of the housing if no support plate is used).

Figure 6. Determining Deflection 

While Applying Side Loads

The dial indicator should not be applied while the unit is operating. This could result in damage 

to the dial indicator.

Summary of Contents for SP214AM

Page 1: ...NACD Power Take Off Service Manual 1022763AM SP214AM and SP314AM Clutches Includes Installation Operation Maintenance and Overhaul Instructions ...

Page 2: ...North American Clutch Driveline Rockford Illinois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com 2 ...

Page 3: ...uld be employed as necessary to assure that safe operations and a safe environment exist under prevailing conditions Use proper guards and other suitable safety equipment devices and procedures that may be desirable or specified in safety codes or as necessary to prevent accidental injury to person s or property These devices are neither provided by NACD nor are they the responsibility of NACD OWN...

Page 4: ...s for Fasteners Installation Installation Tips Prior to Installation Ref SAE J1033 and J617 Drive Ring Installation Ball Type Pilot Bearing Installation Roller Type Pilot Bearing Installation PTO Installation to Engine or Driving Member Hand Lever Position for Power Take Offs Position and Measure Alignment of the Sheave Allowable Side Loads Alignment U Joint Type Installation Setting Up Air Engage...

Page 5: ...ousing Disassembly Configuration A Clutch Shaft and Housing Disassembly Configuration C Cleaning and Inspection Cleaning and Inspection ASSEMBLY Clutch Assembly Clutch Shaft and Housing Assembly Configuration A Clutch Shaft and Housing Assembly Configuration C Install the Operating Shaft and Throwout Yoke PTO Final Assembly Illustrations List of Illustrations Parts Identification List Exploded Vie...

Page 6: ...ws in the illustration section to facilitate ordering spare or replacement parts Ordering Parts All replacement parts or products including hoses and fittings must be of NACD origin or equal and otherwise identical with components of the original equipment Use of any other parts or products will void the warranty and may result in malfunction or accident causing injury to personnel and or serious ...

Page 7: ...ssist in obtaining trouble free operation Schedules are provided for the recommended maintenance of the equipment and if observed minimum repairs aside from normal wear will result In the event a malfunction does occur a troubleshooting table is provided to help identify the problem area and lists information that will help determine the extent of the repairs necessary to get a unit back into oper...

Page 8: ...the engineering information specified Proper installation maintenance and operation procedures must be observed Inspection should be made as necessary to assure safe operations under prevailing conditions Proper guards and other suitable safety codes should be provided These devices are neither provided by NACD nor are they the responsibility of NACD SOURCES OF SERVICE INFORMATION Each series of m...

Page 9: ...d to the engine flywheel and connected to the clutch through internal teeth that mesh with external teeth on the clutch friction plate s Clutch engagement and disengagement for most units is accomplished by use of the external hand lever assembly Some units may use other actuation methods Main bearings are lubricated and cooled with grease depending upon the design specifications Most units use pi...

Page 10: ...Operating Speeds for NACD Take offs Refer to BOM and NACD Power Take Off Reference Listing SAE Hsg No PTO Model Grease Lubricated Main Bearing s Ductile Iron Drive Ring Solid Drive Plate s 1 SP114AM Series SP214AM Series SP314AM Series Grease Grease Grease 3000 RPM 3000 RPM 3000 RPM mm 511 18 mm 552 4 mm 530 22 mm 12 29 Qty 12 inches 20 125 inches 21 75 inches 20 875 inches 0 484 A B C D Dia Table...

Page 11: ... Play for Tapered Roller Bearings Used in Side Loaded applications Table 5 Recommended Bearing End Play for Tapered Roller Bearings Used in In Line applications Roller Bearing Model Number Model Number Bearing O D Recommended End Play Recommended End Play mm mm inches inches Bearing Nominal Width C Bearing Nominal Width tolerance 101578AM 101653AM 101848AM SP114AM Series SP214AM Series SP314AM Ser...

Page 12: ... the bearing cavity Filling the Main Bearing Cavity during periodic maintenance Refer to the information contained in the Maintenance section of this manual Engagement force on the operating shaft Table 6 Torque at operating shaft to engage clutch PTO Deflection PTO deflection due to loads imposed by the application should not exceed 0 254 mm 0 010 in Deflection should be measured at the support p...

Page 13: ...al Support Plate Illustration Table 7 Support Plate Dimensions Refer to assembly drawing Angular offset of the through holes must be calculated with respect to orientation of sheave housing Holes are equally spaced Note One possible mounting method provides installation ease Use angle iron to couple the support plate to the engine frame PTO Model A Bore Dia 127 0 25mm 005 001 B Bolt Circle Dia C R...

Page 14: ...ring Journal Min Main Bearing Journal Dim A Min Main Bearing Journal Dim B Min Illustration Number mm mm mm mm inches inches inches inches 8424AM 8424FAM A5194AM A5195AM 127 025 127 025 152 425 152 425 34 9987 34 9987 44 9987 34 9987 34 9987 A5190AOAM A6515NAM A6619KAM B5027AAM B5027ASAM 73 8556 95 3008 95 3008 95 3008 95 3008 n a n a n a 95 3008 95 3008 5 001 5 001 6 001 6 001 1 3779 1 3779 1 771...

Page 15: ...ormation for several different types of fasteners U S Standard Fine and Coarse Thread Capscrews Bolts and Nuts Metric Coarse Thread Capscrews Bolts and Nuts Tapered Pipe Plugs with thread lubricant Straight Threaded Tube Fittings Hose Fittings and O ring Plugs Be sure to use the appropriate table to obtain the correct torque value Note All threads and bearing face to be lubricated with light oil f...

Page 16: ...5 470 550 715 835 1015 1185 1375 1625 6 8 13 17 25 29 37 43 60 70 82 98 120 140 205 245 330 390 495 585 615 735 850 1000 14 16 27 33 27 56 75 88 113 132 163 190 224 264 400 468 637 746 969 1132 1376 1607 1864 2203 8 11 18 23 34 39 50 58 81 95 111 133 163 190 278 332 447 529 671 793 834 997 1152 1356 9 10 21 25 43 49 74 86 179 205 247 281 348 400 475 541 603 693 967 1113 12 14 31 35 60 68 104 120 2...

Page 17: ...2 Tapered Pipe Plugs with thread lubricant NPTF Size in In Aluminum In Cast Iron or Steel N m or 5 N m or 5 lb ft or 5 lb ft or 5 1 6 27 1 8 27 1 4 18 3 8 18 1 2 14 3 4 14 1 11 1 2 1 1 4 11 1 2 1 1 2 11 1 2 5 5 6 5 16 17 30 34 50 55 55 8 5 10 5 25 27 50 54 80 85 85 7 5 9 21 5 23 40 5 46 68 75 75 11 5 14 34 36 5 68 73 108 115 115 ...

Page 18: ...ad Diameter N m or 5 N m or 5 lb ft or 5 lb ft or 5 5 16 3 8 7 16 1 2 9 16 5 8 11 16 3 4 7 8 1 1 16 1 3 16 1 1 4 1 5 16 1 3 8 1 5 8 1 7 8 2 1 2 M10X1 0 M12X1 5 M14X1 5 M16X1 5 M18X1 5 M22X1 5 M27X2 0 in iron M27X2 0 in aluminum M33X2 0 M42X2 0 M48X2 0 5 11 5 16 20 24 5 24 5 34 40 5 54 75 88 88 108 108 108 108 108 12 16 20 24 34 54 75 75 88 108 108 3 5 8 5 12 15 18 18 25 30 40 55 65 65 80 80 80 80 ...

Page 19: ...easurements shown in Prior To Installation in this Installation section 5 Avoid excessive misalignment between the engine and PTO Check the following if abnormal wear of parts exists a Excessive loads tend to deflect parts to which PTOs are mounted A dial indicator can be mounted on a rigid part of the engine or independently on the foundation to determine deflection under actual operating conditi...

Page 20: ...heave in this Installation section Drive Ring 8 The drive ring must be properly installed See information in Drive Ring Installation in this Installation section Pilot Bearings 9 Ball type pilot bearings and Roller type pilot bearings must be installed properly See Ball Type Pilot Bearing Installation or Roller Type Pilot Bearing Installation in this Installation section Support Plate 10 When moun...

Page 21: ...ing operation resulting in bearing failure and shortened power take off service life Deflection Caused by Side Load Pulls 13 Power Take Off deflection due to loads imposed by the application should not exceed specified limits shown in PTO Deflection in the Description and Specifications section Deflection should be measured at the support plate location on the power take off or main bearing area o...

Page 22: ...e clutch is adjusted according to the procedure outlined in Clutch Adjustment in the Maintenance section Failure to do so will result in premature clutch wear and failure Note NACD will not be responsible for any damage or injury resulting from improper adjustment and or lubrication This includes any accessory drives and loads Hand Lever Position 16 Proper hand lever position is required to obtain...

Page 23: ...ment should be the same as the first A difference in these two end play measurements could be an indication of interference Consequently the Power Take Off should be removed and the source of interference found and corrected NACD will not be responsible for system damage caused by engine to Power Take Off match up regardless of the cause of interference This engine crankshaft end play check is con...

Page 24: ...hrust bearing while the total indicator sweep T I R is being made 4 Readjust the indicator so the stem rides on the pilot bore of the flywheel housing face 5 Rotate the shaft through one entire revolution and note the runout The total indicator reading T I R should not exceed SAE 1 Housing 0 30 mm 0 012 in 6 Remove the indicator base from the flywheel and bolt it to the flywheel housing face Posit...

Page 25: ...hile the total indicator sweep T I R is being made 8 Readjust the indicator stem so it rides on the driving ring pilot bore of the flywheel 9 Rotate the shaft through one entire revolution and note the driving ring bore eccentricity The total indicator reading T I R must not exceed 0 13 mm 0 005 in 10 Adjust the indicator stem so that it rides on the pilot bearing bore cavity Figure 11 Checking Pi...

Page 26: ...e drive ring 4 Position the drive ring against the flywheel piloted in the mounting bore and secure with eight hex head capscrews Torque the capscrew to the proper specifications given in Torque Values for Fasteners in the Description and Specifications section of this manual Drive ring attachment screws must be grade 8 per SAE J429 Do not use substitutes BALL TYPE PILOT BEARING INSTALLATION Refer...

Page 27: ...arings All of the roller type bearings available from NACD are the separate race type i e the inner race is removable from the outer race and seal assembly Due to its design configuration axial alignment of the inner and outer races is extremely important The information and instructions below will assure proper bearing mounting Instructions for assembly 1 Position the PTO on the bed of a press wi...

Page 28: ...lly measure dimension a Record the measurement 4 Refer to the Roller Type Bearing Dimensions table in the Description and Specifications section of this manual Subtract the appropriate roller bearing nominal width c from measurement a This will determine the position of the pilot bearing outer race in the flywheel bore dimension b a c b pilot bearing outer race position 5 Install the pilot bearing...

Page 29: ... the pilot bearing bore in the flywheel and the teeth of the friction plates 6 with the drive ring 5 Do not force the PTO unit onto the engine If any resistance is noted repeat the clutch plate centering procedure either in the clutch assembly or final assembly information of the Assembly section to align and center the friction plates so they mesh properly with the teeth of the drive ring 4 Secur...

Page 30: ...ifications Description and Specifications section Install eight M12 x 1 75 pitch 8 8 Property Class quality capscrews per ISO 989 1 Torque to 80 Nm 59 lb ft Note Verify proper shimming and alignment of the support plate 10 Install and tighten the belts to the manufacturer s specifications being sure that belt tension does not cause excessive deflection Refer to information in the Description and S...

Page 31: ... of a stop collar with a vertical operating shaft Special Position Operating Shaft Vertical If the installation requires that the operating shaft be in a vertical position a stop collar must be installed to prevent the weight of the hand lever operating shaft and throwout yoke from creating a preload on the throwout collar Position the hand lever as described above and also position and lock a sto...

Page 32: ...ith the driveN sheave on equipment being driven by the PTO 3 Calculate MAXIMUM allowable misalignment distance of the faces Max 0 222 mm 0 00875 in x distance between sheave centerlines 4 Place a tight cord or straight edge against both edges of the flat face of one sheave Measure the distance between the cord or straight edge and the face of the other sheave The gap is the misalignment distance A...

Page 33: ...ad Lbs N shaft speed RPM D pitch diameter in at sheave etc F load factor for chain or gear drive 2 5 for all V belts 1 5 for timing belts 3 5 for flat belts LF 2 1 for reciprocating compressors and other severe shock drivers and 1 8 for large inertia type drive crushers chippers planers A support plate must be attached at the rear of the PTO if it is subjected to side load operation of the shaft S...

Page 34: ...O is important for satisfactory service Refer to lubrication specifications in the Description and Specifications section of this manual Align the centerlines of the PTO shaft and the input shaft of the driven unit One possible method is described below 5 To align the engine and gear head by this method two accurate straight edges at least 91 cm 36 in long and a tape measure are required 6 Place t...

Page 35: ...ke adjustment on the piston stroke 3 Air pressure must be constant Low pressures could give only partial engagement which will cause failures of the clutch and throwout collar 4 The piston travel must be within limits established to both fully engage and fully disengage the clutch Failure to provide these parameters will cause failure and possible breakage of the clutch 5 The engaging cylinder mus...

Page 36: ...el for the engaging cylinder 7 Multiply the length of the hand lever by the value shown in the following chart This provides the approximate required length of the piston stroke Note The hand lever length is the distance from the center of the operating shaft to the point where the cylinder will be connected to the lever Table 15 Engaging Stroke Travel at 25 4 mm 1 in Determine the engaging force ...

Page 37: ... length of the hand lever in inches This provides the required force in pounds that must be provided by the piston Note Periodically disconnect the power cylinder to measure the clutch engagement force Table 16 Engaging Force Required at Cylinder at 25 4 mm 1 in NOTES Model Engaging Force in Cylinder Force newtons Force pounds SP114AM SP214AM and SP314AM Series 14012 3150 ...

Page 38: ...hes designed with multiple clutch driving plates have a clutch center plate located between the driving plates The clutch center plate and pressure plate are driven through internal teeth that mesh with external teeth on the clutch hub Until clutch engagement is initiated the output components do not rotate During clutch engagement the clutch pressure plate is moved to clamp the clutch friction pl...

Page 39: ...llow clutch engagement at 1 000 RPM or below Under extreme circumstances where high inertia loads must be picked up the engine may have to be operated at higher speeds while the engagement occurs as engaging the clutch at 1 000 RPM or below may result in stalling the engine Clutch engagement should occur at the lowest possible engine RPM Heavy inertia loads may be brought up to engine speed by a s...

Page 40: ...gaging the PTO Operator Should Be Aware Of The Required Clutch Engagement Force The clutch engagement force must be at the proper level to realize long life of the PTO clutch If this engagement force seems low refer to the Clutch Adjustment Procedure in the Maintenance section of this manual Insufficient clutch engagement force can cause clutch slippage resulting in catastrophic clutch failure The...

Page 41: ...s manual Pilot Bearings 2 Ball type pilot bearings and Roller type pilot bearings must be installed properly LUBRICATION 3 Verify that the PTO is properly lubricated prior to starting the engine and at all times during operation Throwout bearing failures may be among other causes the result of improper lubrication CLUTCH ADJUSTMENT 4 Check frequently to insure that the clutch is adjusted according...

Page 42: ...erly aligned during servicing or maintenance procedures See information regarding Alignment in the Installation section of this manual Support Plate 7 When mounting the engine and Power Take Off in the machine a customer supplied support plate may be required to support the output end of the PTO housing Proper installation and alignment of the support plate must be maintained Periodically check to...

Page 43: ...life Deflection Caused by Side Load Pulls 9 Maintain proper side load pulls that do not exceed specified limits shown in Allowable Side Load Pulls in this Maintenance section and PTO Deflection in the Description and Specifications section Air Engagement Mechanisms 10 Air engagement mechanisms are to remain properly adjusted at all times See Setting Up Air Engagement on NACD Power Take Offs in the...

Page 44: ...rting and then every 3 months or 500 hours operation whichever occurs first Throwout Collar All SP114AM SP214AM and SP314AM Series Apply 1 cc of grease one shot from a grease gun daily before start up and then every 8 10 hours operation thereafter through the fitting on the tapered part of the housing Pilot Bearing All SP114AM SP214AM and SP314AM Series with sealed for life pilot bearings The pilo...

Page 45: ...ew plates have a wear in period and the clutch may require several adjustments before the new plates are worn in After wear in clutch adjustment should be checked regularly Heavy duty applications rock crushers etc which have frequent engagements numerous engagements in an operating day or relatively long periods of slip require more frequent readjustment than light duty applications Adjust the cl...

Page 46: ... as necessary until the proper torque reading is obtained Replace the instruction cover plate and secure with two hex head capscrews 46 Securely tighten FRICTION PLATE REPLACEMENT Common symptoms indicating that the friction plates 6 are worn out are 1 The adjusting yoke 26 cannot be turned clockwise any further It is necessary to remove and disassemble the clutch assembly to replace the friction ...

Page 47: ...ler bearings 39 40 41 42 used with in line drive installations indicates that extra care must be taken when adjusting the power take off tapered roller bearings 2 The end play for these applications is special for the above types of applications 3 Set bearing end play for these special applications using the method described for side loaded applications on the previous pages but set to the specifi...

Page 48: ...curing the hand lever to the operating shaft 3 If used loosen the support plate from the base mounting 4 Attach lifting equipment to the power take off and take out the slack just enough to begin to support the weight of the PTO Do not apply too much force Lifting devices and their capacity must be capable of supporting the weight of the power take off and all attached devices and equipment Suspen...

Page 49: ...it using a standard bearing puller 3 If the pilot bearing is a two piece bearing remove the bearing s outer race from the flywheel using a standard bearing puller Note The pilot bearing will be destroyed upon removal If the bearing seal is broken the bearing is considered destroyed 4 Remove the two hex head capscrews and remove the instruction plate if they were not previously removed 5 Use a 15 1...

Page 50: ...h and puller from the clutch shaft Remove the hub key if it was not removed with the clutch CLUTCH DISASSEMBLY All 14 Inch Model Clutches 1 Set the clutch assembly on a bench with the throwout collar facing up Disengage the clutch 2 Remove the grease fitting 23 from the hose fitting 20 Remove the hose 19 and hose fitting 18 from the trunnion of the collar assembly 3 Remove the four cotter pins 17 ...

Page 51: ... the adjusting lock pin 25 compressing the lock pin spring 24 and unscrew the adjusting ring 26 from the hub and back plate assembly Remove the adjusting lock pin and spring from the adjusting ring 12 Straighten and remove the four cotter pins 13 and the four clevis pins 14 to disconnect the eight links 15 from the four levers 9 13 Straighten and remove the four cotter pins 12 four washers 10 and ...

Page 52: ...uff keys 56 Remove the key Do the same for the other side of the shaft to remove the other key Remove the operating shaft from the clutch housing 44 and throwout yoke 3 Remove the two grease fittings 57 from the outside of the housing near the operating shaft holes only if replacement of the parts is necessary Proceed to Clutch Shaft and Housing Disassembly Two main bearing configurations are illu...

Page 53: ... 3 Lift the clutch shaft 33 with the two bearing cones 40 41 from the housing The forward bearing cup 39 will come out with the shaft and bearing cones 4 Use an arbor press to remove the bearing cones from the clutch shaft The bearing cones remove in opposite directions from the shaft shoulder 5 Remove the rear bearing cup 42 from the housing by removing the two plugs if used from the access holes...

Page 54: ...ipping the rear cast section of the bearing carrier in the vise 5 Remove the hex head capscrew 35 washer 36 and retainer clip 37 6 Remove the bearing retainer 38 by rotating it counterclockwise 7 Lift the clutch shaft with bearing cup 39 and bearing cones 40 41 from the bearing carrier 10 Use an arbor press or bearing puller to remove the bearing cones from the clutch shaft only if replacement is ...

Page 55: ...ings for roughness of rotation Replace the bearing if roughness is found 3 Inspect bearings for corrosion scored scratched cracked pitted or chipped races and for indication of excessive wear of balls or rollers If one of the these defects is found replace the bearing Preventing Entrance of Dirt Into Bearings 4 Dirt and grit in bearings are often responsible for bearing failure Consequently it is ...

Page 56: ...s cloth replace the part Bore diameters must not exceed the maximum dimension shown in the Wear Limits Description and Specifications section of this manual Figure 37 Inspect the bores threads and faces 7 Inspect bores for wear grooves scratches and dirt Remove burrs and scratches with crocus cloth or a soft stone Replace parts that are deeply grooved or scratched 8 Inspect oil and grease passages...

Page 57: ...r galled conditions that would indicate that the bearing has been turning on the shaft If the damage cannot be repaired to like new condition with a crocus cloth replace the part Bearing journal diameters must not be less than the dimensions shown in the Wear Limits Description and Specification section of this manual 11 Inspect the pilot bearing journal on the clutch shaft If it is worn in any wa...

Page 58: ...crocus cloth replace the part 14 Inspect threaded openings for damaged threads Chase damaged threads with a tap of the correct size 15 Be sure the snap ring grooves have straight sides especially if a bearing failure has occurred Figure 40 Snap ring grooves must have square sides Assembly The following procedure is for complete assembly of the unit Prior to this procedure the power take off should...

Page 59: ...r the sliding sleeve shoulder Install 2 hex head capscrews 1 2 20 x 3 1 4 through the halves Install 2 hex nuts on the capscrews Torque the capscrews to the proper specifications given in Torque Values for Fasteners in the Installation section Figure 41 Assembly of Bronze Throwout Collar 2 Check collar rotation to be sure it turns freely on the sliding sleeve Proceed at step 8 Ball Bearing Type Th...

Page 60: ...5 Install the external snap ring 29 to secure the bearing 6 Install the throwout collar 28 over the bearing Seat the collar tight against the bearing Excessive pressure or sharp impact against the outer race of the bearing during installation of the collar will damage the bearing leading to premature failure 7 Turn the sliding sleeve assembly over on the bed of a press Install the internal snap ri...

Page 61: ...214AM Series skip to step 14 12 Install a second center plate 7 so it rests flat on the second friction plate meshing the splines of the center plate and hub and backplate 13 Install a third friction plate on the second center plate assembly SP114AM SP214AM and SP314AM Series Clutches 14 Install the pressure plate 8 on the top friction plate meshing the splines of the center plate and hub and back...

Page 62: ...lace the levers 9 between the lugs of the pressure plate and secure to the pressure plate with four clevis pins 11 Note Hook each lever under the edge of the adjusting yoke while aligning the clevis pin hole with the holes in the pressure plate lugs 18 Place a washer 10 on each clevis pin and install four cotter pins 12 Spread the legs of the cotter pins as shown below Figure 44 Illustration Lever...

Page 63: ...n fitting 23 Center The Clutch Plates 23 Visually center the friction plates 6 on the clutch and align the teeth Press down on the collar assembly to lock the plates in place If necessary pull the adjustment lock pin to compress the lock pin spring and rotate the adjusting yoke assembly until the plates are locked in position when the collar is pressed down Note This is an initial setting to hold ...

Page 64: ...s on the clutch shaft Install the cones one from each end with the back faces wide section butting against the shoulder on the clutch shaft See note below regarding alternative installation method Note Special tools are not available from NACD but can be fabricated in any capable machine shop Note Use a piece of steel tubing approximately 5 cm 2 inches longer than the distance from the end of the ...

Page 65: ...r the bearings return to room temperature coat the bearing rollers and both bearing cups with a light film of clean No 30 engine oil Clutch Housing 4 Set the clutch housing 44 on the bed of a press with the input end of the housing facing up Note There should be sufficient clearance below the housing to allow for installation of the clutch shaft 5 Install 2 lubrication fittings 57 if they were rem...

Page 66: ...tion to a flat plate Install The Clutch Shaft And Bearings Into The Housing 7 Carefully install shaft and bearings in the housing The output end of the shaft must enter the housing first Note DO NOT pre grease the bearings prior to installation into the housing 8 Install the front bearing cup 39 in the bore on top of the upper bearing cone Press it tight against the cone 9 Install the bearing reta...

Page 67: ...is by use of a dial indicator to read actual bearing end play This preliminary setting is for assembly purposes only Final bearing end play must be adjusted as described below in Final setting Measure And Set Bearing End Play 10 Tighten the bearing retainer until 6 8 Nm 60 in lbs of torque is required to rotate the shaft Note Do not overtighten Damage may occur to the bearings or bearing retainer ...

Page 68: ...ing retainer and create the specified bearing clearance after each adjustment of the bearing retainer Final Setting Measure And Set Bearing End Play 12 Securely support the unit with the clutch shaft in a vertical position and the output end up Be sure the shaft is clear to rotate 13 Attach an eyebolt in the thread at the output end of the shaft Attach a hoist with a thrust bearing equipped swivel...

Page 69: ... being taken The weight of the shaft will be considered part of the 90 7 Kg 200 lbs Read the dial indicator to read actual bearing end play 17 Repeat steps 15 and 16 to be sure the dial indicator reading repeats with accuracy Adjust the bearing retainer as necessary to obtain 0 152 0 254 mm 0 006 0 010 in bearing end play See note below Note For in line operation Adjust the bearing retainer as nec...

Page 70: ...ration section of this manual Note Do not pack the bearing carrier cavity with grease The proper amount of grease will be added later 21 Reinstall the shaft with bearings front bearing cup and bearing retainer Position the bearing retainer exactly as it was prior to removal Realign the match marks 22 Install the retainer clip 37 hex head capscrew 35 and washer 36 Torque the capscrews to the proper...

Page 71: ...the clutch shaft Use a piece of steel tubing approximately 5 cm 2 inches longer than the distance from the end of the shaft to the shoulder and just slightly larger in inside diameter than the bearing cone s inside diameter The tubing must not be thick enough to contact the cage of the bearing during installation Note An alternative method to install the bearing cones is to heat them in an oven at...

Page 72: ...bearing rollers and both bearing cups with a light film of clean No 30 engine oil Install The Clutch Shaft And Bearing Cones Into The Bearing Carrier 3 Place the bearing carrier 47 in a large bench vise with protective jaws or securely support it on a bench with the input end up There must be sufficient clearance below the carrier to install the shaft Carefully install shaft and bearings in the be...

Page 73: ... must be adjusted as described below in Final setting Measure And Set Bearing End Play 14 Tighten the bearing retainer until 6 8 Nm 60 in lbs of torque is required to rotate the shaft Note Do not overtighten Damage may occur to the bearings or bearing retainer Rotate the shaft several revolutions This aligns and seats the bearing cones in the bearing cups and creates a zero clearance 15 Note the p...

Page 74: ...M Back off 4 1 2 5 1 2 notches SP214AM SP314AM Series with Bearing Retainer A3308AM or A3308BAM Back off 3 3 4 4 3 4 notches Note Bump the output end of the shaft with a soft mallet hard enough to move and seat the front bearing cup up against the bearing retainer and create the specified bearing clearance after each adjustment of the bearing retainer Final Setting Measure And Set Bearing End Play...

Page 75: ...o the supports Allow the hoist to go slack Apply approximately 90 Kg 200 lbs of downward force on the shaft while the dial indicator reading is being taken The weight of the shaft will be considered part of the 90 7 Kg 200 lbs Read the dial indicator to obtain actual end play 15 Repeat steps 13 and 14 to be sure the dial indicator reading repeats with accuracy Adjust the bearing retainer as necess...

Page 76: ...with bearings front bearing cup and bearing retainer Position the bearing retainer exactly as it was prior to removal Realign the match marks Note Bump the output end of the shaft with a soft mallet as described in the previous step above hard enough to move and seat the front bearing cup up against the bearing retainer and create the specified bearing clearance after each adjustment of the bearin...

Page 77: ...ption and Specifications section Note Bump the output end of the shaft with a soft mallet as described in the previous step above hard enough to move and seat the front bearing cup up against the bearing retainer and create the specified bearing clearance after each adjustment of the bearing retainer Proceed to Install the Operating Shaft and Throwout Yoke INSTALL THE OPERATING SHAFT AND THROWOUT ...

Page 78: ...Disc Power Take Offs in the Installation section of this manual Proceed to PTO Final Assembly PTO Final Assembly Install The Clutch In The Clutch Housing 1 Set up and support the main housing assembly 44 with attached parts on the bench with the input side facing up Note The output end of the shaft must rest securely on a solid surface 2 Carefully place the clutch assembly over the clutch shaft wh...

Page 79: ... Install the hub nut 2 and tighten and torque to 40 7 Nm 30 ft lb 6 Tighten the hub nut an additional 150 180 degrees clockwise then bend a side of the hub nut lock washer up against a flat on the hub nut 7 Route the flexible hose assembly 19 clear of all moving parts and push the end hose fitting 20 through the hole in the clutch housing 8 Install the lock washer 21 and jam nut 22 to retain the e...

Page 80: ... lock pin to compress the lock pin spring and rotate the adjusting yoke assembly until the plates are locked in position when the collar is pressed down Note This is an initial setting to hold the plates in place until after the PTO is mounted on the engine so it is imperative that the teeth be exactly aligned and the plates are exactly centered on the clutch The driving ring may be used as an ali...

Page 81: ...n of this manual 14 Lubricate the remainder of the PTO according to lubrication specifications in the Description and Specifications section of this manual 15 Place the instruction cover plate 45 in position on the housing and secure with 2 hex head cap screws 5 16 18 x 1 2 46 Torque the capscrews to the proper specifications given in Torque Values for Fasteners in the Description and Specificatio...

Page 82: ...F ILLUSTRATIONS The following pages include illustrations that are specific to the model The illustrations included are listed below Parts Identification List SP114AM SP214AM and SP314AM Series Exploded View SP114AM and SP214AM Series Clutches Exploded View SP314AM Series Clutches Exploded View Configuration A Exploded View Configuration C ...

Page 83: ... Pin clevis lever to pressure plate Pin cotter lever to pressure plate Cotter pin lever to link Pin clevis lever to link Link Pin clevis link to sleeve Pin Cotter link to sleeve Fitting Hose Fitting Washer Nut Fitting grease Spring compression Pin Yoke adjusting Sleeve sliding Collar assembly collar Ring snap external Bearing ball Ring snap internal Key clutch Shaft clutch Key output Capscrew hex ...

Page 84: ...r bearing Bearing cup front Bearing cone front or bearing qty 1 Bearing cone rear or bearing qty 1 Bearing cup rear Housing Plate instruction Screw machine Carrier bearing Screw hex head Washer Fitting Fitting Plug Hand lever assembly Throwout yoke Shaft operating Key woodruff Fitting Plate Bottom NS PARTS IDENTIFICATION LIST SP114AM SP214AM AND SP314AM SERIES 1 1 2 2 2 2 1 1 2 1 6 6 1 1 2 1 1 1 2...

Page 85: ...inois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com 85 85 EXPLODED VIEW SP114AM AND SP214AM SERIES CLUTCHES Typical SP114AM Series Clutch with Bronze Throwout Collar Typical SP214AM Series Clutch with Ball Type Throwout Collar ...

Page 86: ...erican Clutch Driveline Rockford Illinois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com 86 EXPLODED VIEW SP314AM SERIES CLUTCHES Typical SP314AM Series Clutch with Ball type Throwout Collar ...

Page 87: ...North American Clutch Driveline Rockford Illinois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com 87 87 EXPLODED VIEW CONFIGURATION A Note Typical unit illustrated ...

Page 88: ...North American Clutch Driveline Rockford Illinois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com 88 EXPLODED VIEW CONFIGURATION C Note Typical unit illustrated ...

Page 89: ...equipment Only an NACD authorized factory representative shall have authority to assume any cost or expense in the service repair or replacement of any part or product within the warranty period except when such cost or expense is authorized in advance in writing by NACD NACD reserves the right to improve the product through changes in design or materials without being obligated to incorporate suc...

Page 90: ...ed or otherwise with regard to the information contained within this manual NACD assumes no responsibility for any errors that may appear in this manual and shall not be liable under any circumstances for incidental consequential or punitive damages in connection with or arising out of the use of this manual The information contained within this manual is subject to change without notice ...

Page 91: ...P O Box 15130 Rockford IL 61132 Phone 800 383 9204 Fax 815 282 9160 www naclutch com ...

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