Excelsior-HENDERSON HCX 1999, Service Handbook

Page: 263 / 474

CYLINDER HEAD/CAM DRIVE
6999-0003 7/15/99
6-17
(StepNumber)
(StepNumber)
(StepNumber)
VALVE GUIDE REPLACEMENT
1. Chill the new valve guides in a freezer for at least 1 hour.
2. Using a hot plate or oven, heat the cylinder head to 275°
- 290°F.
Notice
Use temperature indicator labels to insure proper cylinder
head heating.
Caution
• Do not heat the cylinder head beyond 300°F.
• To avoid warping the cylinder head, do not use a torch
for heating.
WARNING
To avoid injury use insulated gloves when handling a
heated cylinder head.
3. Drive the old valve guides out from the combustion
chamber side of the cylinder head.
Tool: Valve guide driver EH-6999-0025-1
1. TEMPERATURE
INDICATOR LABEL
2. VALVE GUIDE REMOVER
4. Reheat the cylinder head if necessary.
5. Oil the valve guide hole and drive the new valve guide in
from the camshaft side of the cylinder head.
Tool: Valve guide socket EH-6999-0025-2
Tool: Valve guide driver EH-6999-0025-1
1. TEMPERATURE
INDICATOR LABEL
2. VALVE GUIDE INSTALLER
6. Check the valve guide projection and adjust as
necessary.
Standard: 0.315 - 0.325 in
1. VALVE GUIDE
PROJECTION