Head Assembly

1. Thoroughly clean head before beginning assembly.

2. See Figure 3-61. Insert lower spring collar.

3. Lubricate valve with Harley-Davidson Motorcycle Oil 20W50 and position in head.

4. See Figure 3-62. Place VALVE GUIDE SEAL INSTALLER (HD-45322) tapered pin over valve stem and position new seal on the tapered pin. Drive seal into position.

Figure 3-61. Lower Spring Collar

Figure 3-62. Valve Seal Installation

12. See Figure 3-65. Install cams and cam journal caps. Tighten cam journal caps to 9.7 Nm (85 in-lbs).

Figure 3-63. Valve Spring Coils

5. See Figure 3-63. Install upper spring collar and valve spring and with tightly wound coils to the bottom.

12. See Figure 3-65. Install cams and cam journal caps. Tighten cam journal caps to 9.7 Nm (85 in-lbs).

NOTE

To accurately check valve lash, cam journal caps MUST be tightened to 9.7 Nm (85 in-lbs).

Figure 3-66. Check Valve Lash

Figure 3-64. Install Valve Keepers

6. See Figure 3-64. Install VALVE SPRING COMPRESSOR (HD-34736-B) and compress spring to expose valve stem. Apply a light grease around the valve stem to hold keepers in position when relaxing the compressor tool.

7. Install valve keepers and remove compressor tool.

8. Using a micrometer measure and record for reference all valve shims.

9. Install all valve shims in their original location. Use a magnet to position the shim and push into place with finger.

Figure 3-66. Check Valve Lash

13. See Figure 3-66. Using a blade type feeler gauge measure valve lash. See LASH MEASURMENT in 1.22 VALVE LASH and D.2 VALVE LASH CALCULATION WORKSHEET 1.

14. Adjust valve lash as required. See LASH MEASURMENT in 1.22 VALVE LASH.

NOTE

Valve lash can be measured and adjusted before the heads are installed on engine. However, after head installation, valve lash should be measured and adjusted as required.

Replace tappets in their original locations.

Lubricate cam journals, lobes, and tappets with Harley-Davidson Motorcycle Oil 20W50. In addition, a thin film of Lubriplate No. 105 Motor Assembly Grease (NAPA Part No. 765-2651) is recommended.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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