TIMKEN BEARING CONVERSION TOOL
J046722018-10-29
GENERAL
Kit Number
34823-08
Models
For model fitment information, see the P&A Retail Catalog or the Parts and Accessories section of www.harley-davidson.com (English only).
Installation Requirements
Separate purchases of a bearing sleeve (Part No. 34822-08), a bearing assembly (Part No. 9028), and a model-specific sprocket spacer are required to complete installation. See the P&A Retail Catalog or the Parts and Accessories section of www.harley-davidson.com (English only) for any additional parts or accessories required for your model.
- 2-ton press (must be square to within 0.010 in (0.25 mm) ram to table)
- In-lb torque wrench
- Ft-lb torque wrench
- T15 TORX® drive socket (for in-lb torque wrench)
- 5/32 inch hex drive socket (for in-lb torque wrench)
- 5/16 inch hex drive socket (for ft-lb torque wrench)
- 5/64 inch hex key wrench
- 1/16 inch hex key wrench
- 3/8 inch drive hand drill
- Small tap handle (suitable for #8-32 tap)
- Tapping Fluid
- Press Fit Lube (non-drip)
- Loctite® 620 threadlocker and sealant
WARNINGRider and passenger safety depend upon the correct installation of this kit. Use the appropriate service manual procedures. If the procedure is not within your capabilities or you do not have the correct tools, have a Harley-Davidson dealer perform the installation. Improper installation of this kit could result in death or serious injury. (00333b)
NOTE
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.
INSTALLATION
| 1. | Disassemble the engine as necessary to remove the left side engine case. Remove bearings and seals from the left case. See service manual. | |||||||||
| 2. | Clean bearing bore in the left engine case. Also clean the bearing sleeve (1) supplied in the kit. | |||||||||
| 3. | Apply Loctite 620 to the smaller inside diameter portion of the left case bearing bore. | |||||||||
| 4. | See Figure 1. Apply Loctite 620 using a cotton swab to the smaller portion of the outside diameter (2) of the bearing sleeve (1). | |||||||||
| 5. | Apply a spare amount of non-drip press fit lube (3) to the larger outside diameter of the bearing sleeve. | 
Figure 1. Bearing Insert Preparation | ||||||||
| 6. | See Figure 2. Fit the bottom locater plate (1) to the to the outside of the case with the word "BOTTOM" at the bottom of the case. a. Apply a small amount of lube to the four socket head cap screws (2) b. Start all screws. c. Secure screws in a criss-cross pattern. Tighten. Torque: 4.5 N·m (40 in-lbs) | 
Figure 2. Bottom Locator Plate | ||||||||
| 7. | See Figure 3. Place the bearing sleeve (1) on the press plate (2). Align 1/8 inch dowel pin (3) with the 1/8 inch hole in the bearing sleeve flange. | |||||||||
| 8. | Insert the press plug (4) through the center hole in the press plate (2). | 
Figure 3. Bearing Insert and Press Plate | ||||||||
| 9. | See Figure 4. Position insert and press plate assembly. NOTE
a. While holding the sleeve to the press plate, invert the assembly. Use care to keep 1/8 inch dowel engaged in 1/8 inch hole of sleeve flange. b. Align dowel pin and press plug to locater plate and lower into position. c. Place assembly in press. | |||||||||
| 10. | Verify the bearing sleeve is square to the case bore. Press until it has reached 2000 to 4000 psi and the sleeve's flange has stopped against the case. | |||||||||
| 11. | Remove the press plug. |  Figure 4. Insert Press Assembly | ||||||||
| 12. | See Figure 5. Install screw (1). a. Apply lube to screw (1). b. Install screw through the press plate and into the bottom locater plate. c. Verify the press plate dowel pin is still engaged in the 1/8 in. hole in the sleeve flange. d. Secure screw. Tighten. Torque: 33.9 N·m (25 ft-lbs) |  Figure 5. Install Press Plate Screw | ||||||||
| 13. | See Figure 20 , Table 3 and Figure 6. Install stop collars on drill bits using the gauges milled into the press plate. Secure each screw. Tighten. Torque: 1.1 N·m (10 in-lbs) a. Adjust stop collar (7) on 3/16 in. drill bit (8). Use milled groove labeled "OIL FEED" on the press plate. Slide the collar to the press plate. b. Adjust stop collar (5) on 1/8 in. drill bit (4). Use milled groove labeled "ONIL DRAIN". c. Adjust stop collar (15) on No. 25 drill bit (10). use milled groove labeled "MOUNTING HOLES". |  Figure 6. Installing drill bit collars |
NOTE
Drill bit runout should not exceed 0.005 inch.
Use tapping fluid as needed to keep the drill bit from clogging.
Clear chips out.
Do not allow the stop collar to move up the drill bit.
| 14. | See Figure 7. Drill oil feed hole. a. Use 3/16 in. drill bite (8) assembly. b. Drill until the stop collar contacts the press plate. |  Figure 7. Drilling Oil Feed Hole |
| 15. | See Figure 8. Drill oil drain hole. a. Use 1/8 in. drill bite (4) assembly. b. Drill until the stop collar contacts the press plate. |  Figure 8. Drilling Oil Drain Hole  Figure 9. Drilling Mounting Screw Holes |
| 16. | See Figure 9. Drill flange mounting holes. a. Use No. 25 drill bit (10) assembly. b. Start at the hole located at 2 o'clock. c. Drill until the stop collar contacts the press plate. d. Repeat with the remaining five holes. | |
| 17. | Remove press plate. | |
| 18. | Clear chips using low-pressure compressed air. | |
| 19. | See Figure 20 , Table 3 and Figure 10. Using tap guide (14) with the laser marked side up, tap six holes with tap (11). NOTE Do not tap without tap fluid. a. Apply 3 or 4 drops of tapping fluid in the hole. b. Place tap through guide (14) into hole to be tapped. c. Hold the tap guide securely across the bearing bore. d. Turn tap a total of 12 revolutions. e. Remove tap. f. Clear chips using low-pressure compressed air. test the fitment of screw. | |
| 20. | Repeat with the remaining five holes. |  Figure 10. Tapping Lock Screw Holes |
| 21. | See Figure 11. Install screws. a. Apply Loctite 620 to the threads and the under side of the screw head on all six screws. b. Also apply one drop in tapped holes. c. Install and secure screws in a crisscross pattern. Tighten. Torque: 2.8–3.4 N·m (25–30 in-lbs) | |
| 22. | Remove the bottom plate from crankcase. | |
| 23. | Visually inspect oil feed and drain holes. Verify that they are free of check of chips and threadlocking compound. |  Figure 11. Install Screws |
ASSEMBLY
Table 1. Tools
PART NO. | SPECIALTY TOOL |
|---|---|
HD44358 | Flywheel rebuilding jig |
HD-39361A | Sprocket shaft oil seal installer |
HD-97225-55B | Sprocket shaft Timken bearing cone installer |
2246-4 | Press plug |
2246-1 | Tool base |
| 1 | Left crankcase half |
| 2 | Sprocket shaft (Timklen) bearing cone |
| 3 | Sprocket Shaft (Timken) bearing cup |
| 4 | Lock ring |
| 5 | Spacer ring |
| 6 | Oil seal |
| 7 | Sprocket shaft spacer |
Figure 12. Left Side Crankcase Assembly
| 1. | See Figure 12. Discard lock ring (4) from new Timken bearing set (2, 3). | |||||||||
| 2. | See Figure 13. Install bearing cups using tool base (2) and press plug (1). NOTE Smaller OD of support tube (marked XL) is intended for Sportster models. Verify that the Sportster pilot/driver is not installed in opposite end of support tube or procedure will be interrupted as the two pilot/drivers make contact. a. Set tool base (2) on table of hydraulic press with the larger OD (marked B/T) up. b. Center bearing cup on top of tool base with the lettered side up. c. With the inboard side up, position crankcase half over tool so that it rests flat on bearing cup. d. Start second bearing cup into bearing bore with the lettered side down. e. Slide press plug (1) through bore (and both bearing cups) into tool base. | |||||||||
| 
Figure 13. Sprocket Shaft Timken Bearing Cup Installer | |||||||||
| 3. | See Figure 14. Fabricate a dummy shaft using parts used on Evolution models prior to introduction of one-piece fly-wheel assembly. NOTE Dummy sprocket shaft should be a slip-fit in bore of bearing cone. a. Weld sprocket shaft nut (3) (Part No. HD-24017-80) to threads on inboard side of sprocket shaft (2) (Part No. HD-23909-80). b. Obtain a sprocket shaft nut (1) (Part No. HD-40392-91) or a common 7/8-14 nut. c. Fabricate a spacer sleeve about 2.25 in (57.2 mm) long with a 1.75 in (44.5 mm) OD and a 1.25 in (31.8 mm) ID. d. Obtain a flat washer large enough to allow nut to rest flat against spacer sleeve. | 
Figure 14. Dummy Sprocket Shaft and Nut | ||||||||
| 4. | Assemble for end play check. a. Clamp welded sprocket shaft nut in vise with the dummy sprocket shaft up. b. With the tapered side up, slide bearing cone over end of dummy sprocket shaft until it bottoms against shoulder. c. With the outboard side up, place crankcase half over dummy shaft resting on installed bearing cone. d. Slide new spacer over dummy shaft until it contacts bearing cone. e. Place new bearing cone over dummy shaft with the tapered side down. f. Install spacer sleeve, flat washer and dummy sprocket shaft nut. Secure nut. Tighten. Torque: 203–224 N·m (150–165 ft-lbs) |  Figure 15. Check Flywheel End Play | ||||||||
| 5. | Measure end play. NOTE For testing purposes only, dummy shaft end play specification is not equal to final end play specification of 0.001-0.005 inch (0.025-0.127 mm). a. See Figure 15. Mount a dial indicator on the case half. Set the indicator contact point on the end of the dummy sprocket shaft. b. Firmly push down on the case while rotating it back and forth. c. Holding the case down, zero the dial indicator gauge. d. Firmly pull up on the case while rotating it back and forth. e. Holding the case up, note the reading of the dial indicator. Repeat procedure to verify the reading. f. The end play should fall between 0.003-0.007 in. (0.076-0.178 mm). If end play must be adjusted, change spacer according to next step. | |||||||||
| 6. | If end play is not within specification: a. Remove sprocket shaft nut, flat washer, spacer sleeve, bearing cone and spacer ring. b. Measure spacer ring thickness. c. Replace spacer with one calculated to provide specified end play. See Table 2. d. Repeat above steps to check end play. |
Table 2. Spacer Sizes
Inch | Millimeter | Part Number |
|---|---|---|
0.0905-0.0895 | 2.299-2.273 | 9110 |
0.0925-0.0915 | 2.350-2.324 | 9120 |
0.0945-0.0935 | 2.400-2.375 | 9121 |
0.0965-0.0955 | 2.451-2.426 | 9122 |
0.0985-0.0975 | 2.502-2.476 | 9123 |
0.1005-0.0995 | 2.553-2.527 | 9124 |
0.1025-0.1015 | 2.604-2.578 | 9125 |
0.1045-0.1035 | 2.654-2.629 | 9126 |
0.1065-0.1055 | 2.705-2.680 | 9127 |
0.1085-0.1075 | 2.756-2.731 | 9128 |
0.1105-0.1095 | 2.807-2.781 | 9129 |
0.1125-0.1115 | 2.858-2.832 | 9130 |
0.1145-0.1135 | 2.908-2.883 | 9131 |
0.1165-0.1155 | 2.959-2.934 | 9132 |
0.1185-0.1175 | 3.010-2.985 | 9133 |
0.1205-0.1195 | 3.061-3.035 | 9134 |
| 7. | Remove sprocket shaft nut, flat washer and spacer sleeve. Carefully remove all Timken bearing parts from dummy sprocket shaft. | |||||||||||||||
| 8. | See Figure 16. Install inner bearing using FLYWHEEL REBUILDING JIG (7) (Part No. HD-44358) and SPROCKER TIMKEN BEARING CONE INSTALLER (Part No. HD-97225-55B). a. Place new bearing cone (6) over sprocket shaft with the tapered side up. b. Thread pilot shaft (1) onto sprocket shaft. c. sparingly apply graphite lubricant to threads of pilot shaft. d. Slide sleeve (5) over pilot until it contacts bearing cone (6). e. Slide Nice bearing (4) and large flat washer (3) over pilot until contact is made with sleeve. f. Install handle (2) onto pilot shaft. g. Rotate handle of tool clockwise until bearing cone bottoms on shoulder of sprocket shaft. | |||||||||||||||
| 9. | Remove handle, flat washer, Nice bearing, sleeve and pilot from sprocket shaft. | 
Figure 16. Sprocket Shaft Timken Bearing Cone Installer | ||||||||||||||
| 10. | See Figure 17. Install crankcase half, spacer and new outer bearing. NOTE While installing outer bearing cone, carefully observe position of connecting rods. If necessary, stop frequently to verify that rods are still free. If rods happen to move out of cylinder bore area, they will be bent by the crankcase during the press procedure. Bent connecting rods require replacement of the flywheel assembly. a. Install spacer previously selected and place outer bearing cone on sprocket shaft with the tapered side down. b. Assemble SPROCKET SHAFT TIMKEN BEARING CONE INSTALLER as in previous step. c. Rotate handle of tool clockwise until bearing cone makes firm contact with spacer. | |||||||||||||||
| 11. | Remove handle, flat washer, Nice bearing, sleeve and pilot from sprocket shaft. |  Figure 17. Press Outer Bearing Cone to Sprocket Shaft | ||||||||||||||
| 12. | Verify end play. a. Install spacer sleeve, flat washer and compensating sprocket shaft nut used earlier. b. See Figure 18. To prevent rotation, insert locating screw from FLYWHEEL REBUILDING JIG in deepest balancing hole at bottom of flywheel assembly. Secure sprocket shaft nut. Tighten. Torque: 203–224 N·m (150–165 ft-lbs) c. See Figure 15. Check end play using dial indicator. d. Firmly push down on the case while rotating it back and forth. e. Holding the case down, zero the dial indicator gauge. f. Firmly pull up on the case while rotating it back and forth. g. Holding the case up, note the reading of the dial indicator. Repeat the procedure to verify the reading. h. If end play falls between 0.001-0.005 inch (0.025-0.127 mm), proceed to the next step. If end play is not within specification, restart procedure with new Timken bearing set. | |||||||||||||||
| 13. | Install sprocket shaft spacer, stator and rotor temporarily and verify clearance before final installation. | |||||||||||||||
| 14. | Remove sprocket shaft nut, flat washer and spacer sleeve. | |||||||||||||||
| 15. | Lubricate bearing cones with clean SCREAMIN' EAGLE ASSEMBLY LUBE. | 
Figure 18. Place Locating Screw in Balancing Hole to Prevent Rotation | ||||||||||||||
| 16. | See Figure 19. Install new oil seal using SPROCKET SHAFT TIMKEN BEARING CONE INSTALLER (part number HD-97225-55B). See service manual. | |||||||||||||||
| 17. | Refer to the service manual to complete the engine assembly and installation. | 
Figure 19. Sprocket Shaft Oil Seal Installer |
SERVICE PARTS
Figure 20. Service Parts: Timken Bearing Conversion Tool
Table 3. Service Parts Table
Item | Description (Quantity) | JIMS Part No. |
|---|---|---|
1 | Press plate | 959-2 |
2 | Bottom locator plate | 959-3 |
3 | Press plug | 2246-4 |
4 | Drill bit, 1/8 inch (2) | 1721 |
5 | Drill stop collar, 1/8 inch ID | 1264 |
6 | Screw, 10-24 x 1-1/2 inch SHCS (4) | 1234 |
7 | Drill stop collar, 3/16 inch ID | 1267 |
8 | Drill bit, 3/16 inch (2) | 1714 |
9 | Screw, 3/8-16 x 2-1/2 inch SHCS | 1128 |
10 | Drill bit, #25 | 1713 |
11 | Roll tap, 8-32 | 2288 |
12 | Tool base | 2246-1 |
13 | Tool case | 2120 |
14 | Tap guide | 959-4 |
15 | Drill stop collar, 0.1495 ID | 1292 |