twin cam crankcase bearing install/removal tool - Harley
Contents
1. crankcase is too heavy to be carried in this manner and could be dropped 1 See Figure 5 Obtain crankcase bearing pilot driver and support tube 2 Place support tube 2 on hydraulic press table with the A end up Note that the sides of the support tube are labeled to be sure of the proper orientation 3 With the outboard side of the right crankcase half facing upward position main bearing bore over support tube During removal it is important that the curved edges on the pilot driver 1 match the curved edges of the crank case 4 Slide pilot driver 1 through bearing into support tube 1 Crankcase bearing pilot driver n 5 Center pilot driver under ram 3 of press Apply pressure 2 Support tube A end up to pilot driver until bearing is free 3 Ram 6 Remove crankcase pilot driver and bearing from support Figure 3 Right Main Bearing Removal tube Discard bearing J05269 2of5 is06482 1 Pilot Driver 2 Ram 3 Support tube A end up Figure 5 Right Main Bearing Removal Main Bearing Installation 1 See Figure 6 Obtain crankcase bearing pilot driver and support tube 2 Obtain new main bearing 4 Spread a thin film of clean engine oil on O D of new bearing 3 Turn support tube 2 over so that the B end is up The sides of the support tube are labeled A and B to make sure of the proper orientation 4 With the out board side of the right crankcase half facing upwa2. out resulting in parts damage or moderate injury 00552b 1 While holding flywheel assembly so that it does not fall out of the left crankcase half rotate bottom end assembly in engine stand so assembly is upright and flywheel shafts are horizontal 2 Carefully slide flywheel assembly out of left crankcase and place it in a clean safe place 3of5 3 Unbolt left crankcase half from stand and move it to bench area Remove thrust washer from outboard side of crank case half by pulling it past oil seal Set thrust washer aside for inspection or reuse 4 Remove oil seal from crankcase bore Discard oil seal 5 See Figure 7 The left main bearing 1 is press fit into the main bearing bore 2 in the left crankcase and secured with a retaining ring 3 on the inboard side 6 See Figure 8 Using the tip of a flat blade screwdriver carefully lift the edge of the retaining ring up out of its groove in the crankcase Slide the screwdriver tip around the edge of the bearing lifting the retaining ring up and out of the groove Be careful not to damage the lip of the groove in the crankcase m sm02522 W y OS ye N Aa aera PE es SL E a ah 3 Urs G 1 Main bearing 2 Main bearing bore 3 Retaining ring Figure 7 Left Main Bearing Assembly eck KAS Kaa os SG sO ms SO ees S AEU ASA Figure 8 Removing Retaining Ring J05269 is06484 1 2 Pilot Driver 3 Sup
3. cMOTOR2 HARLEY DAVIDSON NY J05269 INSTRUCTIONS REV 2010 07 15 TWIN CAM CRANKCASE BEARING INSTALL REMOVAL TOOL GENERAL Kit Number 14900014 Models For 2003 and later Twin Cam Alpha models right and left main bearing installation and removal For 2003 and later Twin Cam Beta models left main bearing installation and removal Additional Parts Required Separate purchase and use of tools may be required NOTES The rider s safety depends upon the correct usage of this kit Use the appropriate service manual procedures If the pro cedure is not within your capabilities or you do not have the correct tools have a Harley Davidson dealer perform the installation Improper use of this kit could result in death or serious Injury This instruction sheet references service manual information A service manual for your model motorcycle is required for this installation and is available from a Harley Davidson Dealer Kit Contents is06481 Figure 1 Twin Cam Crankcase Bearing Install Removal Tool J05269 Table 1 Service Parts Item Description Quantity Part Number 1 Driver Pilot 1671 2 Support tube 1670 A side of support tube B side of support tube Replacement parts for this kit are available directly from the vendor If replacement parts are needed contact JIMS at 805 482 6913 or www jimsusa com INSTALLATION 1 Refer to the appropriate service man
4. f new main bearing before placement Start new main bearing in bearing bore letter side down 6 Slide pilot driver 2 through bearing into support tube 7 Center pilot driver 2 under ram 1 of press Apply pres sure to pilot driver until bearing is lightly bottomed in main bearing bore 8 Remove crankcase half and pilot driver from support tube 9 Obtain new retaining ring and install in bearing bore in inboard side of crankcase half Work retaining ring Pilot Driver into groove being careful not to damage edges of Support tube A end up groove make sure retaining ring is fully seated in Main bearing groove Figure 10 Left Main Bearing Installation NOTE If retaining ring will not fit into groove in bearing bore it is a sign that the bearing is not fully seated in the bore Examine the bearing and bore If necessary remove bearing clean bore and install bearing Then install retaining ring 2 See Figure 10 Obtain new main bearing 4 Place a thin film of clean engine oil on outer diameter of bearing J05269 5 of 5
5. port tube A end up Ram Figure 9 Left Main Bearing Removal NOTE If the ram of the press is wider than the head of pilot driver 2 a suitable press plug will be needed in order to remove the main bearing 7 8 10 11 12 13 Obtain crankcase bearing pilot driver and support tube See Figure 9 Place support tube 3 on hydraulic press table with A end up Note that sides of support tube are labeled A and B to be sure of the proper orientation With the outboard side of the left crankcase half facing upward position main bearing bore over support tube Slide pilot driver 2 through main bearing into support tube 3 If the ram of the press is wider than the head of pilot driver 2 place a suitable press plug on top of pilot driver Center pilot driver under ram 1 of press Apply pressure to pilot driver until bearing is free Remove crankcase half pilot driver and bearing from support tube Discard bearing Main Bearing Installation NOTE Never move or lift the crankcase by grasping the cylinder studs The crankcase is too heavy to be carried in this manner and could be dropped 1 Obtain crankcase bearing pilot driver and support tube 4of5 3 Place support tube 3 on hydraulic press table with the A end up is06485 4 With the inboard side of the left crankcase half facing upward position main bearing bore over support tube 5 Lubricate leading edge o
6. rd position main bearing bore over support tube 5 Lubricate leading edge letter side of new main bearing with clean engine oil Start leading edge of bearing in bearing bore 6 Slide pilot driver 1 through bearing into support tube 7 Center pilot driver under ram 3 of press Apply pressure to pilot driver until resistance is felt and bearing is bot tomed on the support tube 8 Remove pilot driver and crankcase half from support tube 9 For 2011 Later Alpha Twin Cam Models only NOTES Verify that the bearing is flush or slightly below the surface of the crankcase Never push the bearing into position using the retaining screws J05269 lf new retaining screws are not available apply Loctite Threadlocker 243 blue to threads of screws before installation 10 See Figure 2 Install two new main bearing retaining screws 5 from the cam compartment side Tighten screws to 40 70 in lbs 4 5 7 9 Nm is06483 Pilot Driver Support tube B end up 1 2 3 Ram 4 Main bearing Figure 6 Right Main Bearing Installation LEFT CRANKCASE HALF Main Bearing Removal 2003 Later Alpha and Beta Twin Cam NOTE Never move or lift the crankcase by grasping the cylinder studs The crankcase is too heavy to be carried in this manner and could be dropped CAUTION Do not rotate left crankcase half in engine stand such that flywheel sprocket shaft is facing up The flywheel assembly can fall
7. ual and perform all steps under TOP END OVERHAUL DISASSEMBLY 2 Refer to the appropriate service manual and perform all step under BOTTOM END OVERHAUL DISASSEMBLY RIGHT CRANKCASE HALF NOTE Do not move or lift the crankcase by grasping the cylinder studs The crankcase is too heavy to be carried in this manner and could be dropped Main Bearing Removal 2011 Later Alpha Twin Cam Only 1 See Figure 2 Remove two main bearing retaining screws 5 from the cam compartment side isO6694 1 Retainer screws 2 Bearing Figure 2 Bearing Retainer Screws 1of5 2 See Figure 3 Obtain CRANKCASE BEARING pilot driver and support tube isO6695 3 Place support tube 2 on hydraulic press table with the A end up Note that the sides of the support tube are stamped to verify proper orientation 4 With the cam compartment side facing downward position main bearing bore over support tube 5 See Figure 4 Align notch in tool with cover screw boss as shown in Figure A 6 Slide pilot driver 1 through bearing into support tube 7 Center pilot driver under ram 3 of press Apply pressure until bearing is free 8 Remove crankcase pilot driver and bearing from support tube Discard bearing isO6693 Figure 4 Tool Notch Aligned With Cover Screw Boss Main Bearing Removal 2003 2010 Alpha Twin Cam Only NOTE Do not move or lift the crankcase by grasping the cylinder studs The
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