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North American Clutch & Driveline

Rockford, Illinois

Phone: (800) 383-9204

(815) 282-7960

Fax (815) 282-9160

www.naclutch.com

Power Take-Off Installation to Engine or Driving Member

1.

2.

3.

4.

5.

Engine and/or power take-off failure will result form any excessive preload
on components.

6.

Clean the power take-off housing flange, flywheel housing flange, and pilot bearing
bore or any debris. Install two alignment studs into the flywheel housing to assist
with the power take-off installation.

Install 2 or 3 guide studs in the flywheel housing. Position the power take-off against
the flywheel housing, carefully aligning the main shaft pilot with the pilot bearing bore
and the driving plates with the drive ring.

Secure the power take-off housing to the flywheel housing with 12 hex-head cap-
screws. Torque the capscrews to the proper specifications given in Torque Values
for Fasteners.

Note: Power take-off housing to flywheel housing attachment screws must be grade
5 or better.

Rap the output end of the clutch shaft with a soft hammer to remove any preload on
the main bearings and/or pilot bearing.

Note: This step must not be omitted. Bearing failure may result.

Measure the crankshaft end play again. The measurement must be the same exact
value as recorded from Step 1 under Preliminary Checks. Locate and correct the
source or preload if the end play is not the same value.

Install the key on the output shaft and install the drive sheave, chain sprocket, or u-
joint flange as the application requires.

Note: A power take-off support plate mounted at the output bearing retainer is con-
sidered mandatory for this unit.

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Содержание 11.5

Страница 1: ...NACD Power Take Off Service Manual 1016070AM 11 5 TP Power Take Off Includes Installation Operation Maintenance and Overhaul Instructions ...

Страница 2: ......

Страница 3: ...North American Clutch Driveline Rockford Illinois Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com ...

Страница 4: ...d 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 OWNER...

Страница 5: ...ety Sources of Service Information Warranty DESCRIPTION SPECIFICATIONS General INSTALLATION Preliminary Checks Drive Ring Installation Pilot Bearing Installation Power Take Off Installation to Engine Driving Member Installation Tips Torque Values for Fasteners Allowable Side Loads PREVENTATIVE MAINTENANCE Lubrication Clutch Adjustment DISASSEMBLY Assembly 2 2 2 3 3 4 4 5 5 5 6 6 8 8 9 10 12 14 15 ...

Страница 6: ...ith its contents Applying the information in the manual will result in consistent performance from the unit and help reduce downtime Replacement Parts Parts Lists Engineering assembly drawings and bill of materials are provided in appropriate sections of this manual to facilitate ordering spare or replacement parts Ordering Parts All replacement parts or products including hoses and fittings must ...

Страница 7: ...ted changes will not be accepted for credit Furthermore any equipment which has been subjected to such changes will not be cov ered by a NACD warranty Preventative Maintenance Troubleshooting Frequent reference to the information provided in this manual regarding daily operation and limitations of this equipment will assist in obtaining trouble free operation Sched ules are provided for the recomm...

Страница 8: ...ce 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 The maximum safe operating speeds of this 11 5 triple plate TP NACD power take off is 2800 RPM Sources of Service ...

Страница 9: ...sh 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 Most units use pilot bearings that are pre lubricated and sealed for life although some may require periodic re lubrication Those that requir...

Страница 10: ...tor is perpendicular to the flywheel housing face and the indicator stem rides on the flywheel housing face See Figure 1 Rotate the shaft through on entire revolution and note the run out The total indicator reading must not exceed 008 2mm Apply thrust onto crankshaft in one direction to prevent crankshaft end play from affecting run out measurement Reading the indicator so the stem rides on the p...

Страница 11: ...of flywheel diameter Apply thrust onto crankshaft in one direction to prevent crankshaft end play from affecting run out measurement Readjust the indicator stem so it rides on the driving ring pilot bore of the flywheel See Figure 4 Rotate the shaft through one entire revolution and note the driving ring bore eccentricity The total indicator reading must not exceed 005 13 mm Adjust the indicator s...

Страница 12: ...rs may be installed in the flywheel to keep the pilot bearing from going too far into the bore in the flywheel and a spacer may be used on the pilot end of the PTO shaft between the pilot bearing and the PTO to help maintain proper pilot bearing location in the flywheel bore FOR NON GREASABLE PILOT BEARING ONLY BEARING HAS 2 GREASE SEALS Non greasable double sealed pilot bearings require no re lub...

Страница 13: ...cure the power take off housing to the flywheel housing with 12 hex head cap screws Torque the capscrews to the proper specifications given in Torque Values for Fasteners Note Power take off housing to flywheel housing attachment screws must be grade 5 or better Rap the output end of the clutch shaft with a soft hammer to remove any preload on the main bearings and or pilot bearing Note This step ...

Страница 14: ...ment in Maintenance Failure to do so will result in premature clutch wear and failure NACD will not be responsible for any damage or injury resulting from improper ad justment and or lubrication This includes any accessory drives and loads Excessive loads tend to deflect parts to which power take offs are mounted A dial indicator can be mounted on a rigid part of the engine or independently on the...

Страница 15: ...is Phone 800 383 9204 815 282 7960 Fax 815 282 9160 www naclutch com Figure 6 Determining Deflection While Applying Side Loads The dial indicator should not be applied while the unit is operating This could re sult in damage to the dial indicator 11 ...

Страница 16: ... 81 95 111 132 163 190 278 332 448 528 671 806 834 1010 1163 1355 Nm lb ft SAE Grade 8 Nm 10 12 20 24 35 41 55 65 83 97 120 140 165 195 295 345 470 550 715 845 1015 1185 1375 1625 14 16 27 32 48 55 75 88 113 131 163 190 224 264 400 467 638 745 970 1145 1377 1606 1865 2203 Thread Size M6 M8 M10 M12 M16 M20 M24 M30 6 5 7 5 16 18 32 36 55 63 132 151 257 295 445 511 714 820 9 10 21 25 43 49 74 86 179 ...

Страница 17: ...5 14 34 36 5 68 73 108 115 115 1 16 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 Nominal Thread Diameter Nm 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 Nominal Thread Diameter M10x1 0 M12x1 5 M14x1 5 M16x1 5 M18x1 5 M22x1 5 M27x2 0 IRON M27x2 0 ALUM M33x2 0 M42x2 0 M48x2 0 5 11 5 16 20 24 5 24 5 34 40 5 54 ...

Страница 18: ...2500 2450 2400 5 2350 2290 2240 2190 2140 6 2100 2040 1990 1940 1890 7 Allowable Side Loads Table 1 Allowable Side Load Pulls Figure 1 Allowable Side Load Pull L x F x A 126000 x H P N x D L Actual Applied Load lbs HP Horsepower N Shaft Speed r ev min D Pitch Diameter of Pulle y etc in F Load Factor see below A 1 0 for low moderate duty drives 1 4 for severe duty shock loads or la rge inertia load...

Страница 19: ...t by hand while adding grease DO NOT OVER GREASE Main Bearings Apply 1 cc of grease one shot from a grease gun every 6 months or 100 hours whichever occurs first through the fitting in the main bearing housing Do not over grease Excess grease can cause the main bearings to overheat Pilot Bearings The pilot bearing supplied with most NACD power take off units are pre lubricated and sealed for life ...

Страница 20: ...2 3 Disassembly Power Take Off Disassembly 1 2 3 4 Disconnect any power engagement devices from the operating shaft if so equipped Remove the hand hole plate from the housing and turn the clutch shaft assembly until the adjusting ring lock pin can be reached Depress the adjusting ring lock pin and turn the adjusting yoke or ring to the right or clockwise when looking at the flywheel until the oper...

Страница 21: ...13UNC tapped holes to pull the clutch assembly from the clutch shaft Install the puller so the threaded legs screw into the holes provided in the hub and back plate and the jackscrew exerts force on the end of the clutch shaft The thread puller holes are not to be used as jackscrews Remove the clutch puller from the clutch shaft Remove the key Set the clutch assembly on a bench with the sliding sl...

Страница 22: ... Remove the two grease fittings only if replacement of the parts is necessary Set the clutch shaft with attached parts in a large vise with the clutch end of the shaft facing up gripping the rear cast section of the bearing carrier in the vise Remove the hex head caps crew lock washer and retainer lock from the bearing carrier Note Some units may use an internal snap ring Remove the bearing retain...

Страница 23: ...ng from the inside of the bearing carrier Remove the external snap ring from the release sleeve Using a split plate support beneath the bearing carrier on the bed of a press Press the release sleeve from the bearing and bearing carrier Remove the snap ring from the sleeve Clean the sleeve with a degreasing solvent Install the release bearing in the carrier gently tap the bearing into the carrier i...

Страница 24: ...he outer diameter of the rear main bearing cup to press the cup into the bearing carrier back face of the cup rearward Press the cup to the bottom of the bore Set the bearing carrier in a large bench vise output end down Coat the bearing rollers and both bearing cups with a light film of SAE 10 oil Install the clutch shaft with bearing cones into the bearing carrier output end down Install the for...

Страница 25: ... and the inner diameter of the bearing retainer Install the shaft assembly in the bearing carrier Install the forward bearing cup and bearing retainer into the bearing carrier Tighten the retainer until snug then loosen the retainer until the mark on the retainer made previously in step 10 lines up with the lock slot on the bearing carrier Install the retainer lock and secure it to the bearing car...

Страница 26: ...t 5 inches above the bench or floor Install the clutch shaft assembly into the power take off housing so the grease zerk hole on the bearing carrier faces up and is perpendicular to the operating shaft Secure the bearing carrier to the power take off housing with six lock washers and six capscrews Torque the capscrews to the proper specifications given in Torque Values for Fasteners in Installatio...

Страница 27: ... the bench with the input side facing up Install two 1 2 13UNC eyebolts in the front of the clutch assembly Lower the clutch assembly over the clutch shaft while A Aligning the trunnions on the collar with the throwout yoke B Aligning the shaft keyway with the keyway in the hub and back plate Install the key between the clutch and main shaft with a soft hammer Note Do not use excessive hammer forc...

Страница 28: ...www naclutch com 9 10 11 Confirmthatthehoseassemblyisnottwistedorapplyingpreloadtothecollarassembly Install the pilot bearing according to Pilot Bearing Installation in Installation Adjust the clutch according to Clutch Adjustment in Maintenance Install the power take off according to Installation 24 ...

Страница 29: ...ice 5 The warranty is void unless the product or part is properly installed and maintained within the rated capacity of the product or part with installations properly engineered and in accordance with the practices methods and instructions approved or provided by NACD 6 The warranty is void unless all required replacement parts or products are of NACD origin or are NACD authorized replacement par...

Страница 30: ...hin this manual NACD assumes no responsibility for any errors that may appear in this manual and shall not be li able under any circumstances for incidental consequential or punitive damages in connection with or arising out of the use of this manual The information con tained within this manual is subject to change without notice ...

Страница 31: ......

Страница 32: ...North American Clutch Driveline P O Box 15130 Rockford IL 61132 Phone 800 383 9204 Fax 815 282 9160 www naclutch com ...

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