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FE290 ENGINE
Cylinder Head
2000 FE290 Gasoline Vehicle Maintenance and Service Supplement Page 13-15
13
2.5. Use a 30° x 35mm seat cutter (1) (Club Car Part No. 1016554) to narrow the seat width to the
standard width (Figure 13-24, Page 13-15). See following CAUTION and NOTE.
2.6. Turn the seat cutter (1) clockwise one turn at a time while pressing down very lightly. Recheck the
width after each cutter revolution (Figure 13-24, Page 13-15). See following
CAUTION and NOTE.
2.7. Make a light pass with the 45° cutter (1) (32mm Exhaust Valve Seat Cutter, Club Car Part No.
1016553), and 35mm Intake Valve Seat Cutter (Club Car Part No. 1016554) to remove any possi-
ble burrs at the edge of the seat.
3. After applying a coat of Prussian Blue to the valve face, insert the valve, and snap it closed against the
seat several times. The valve surface should show good contact all the way around. Be sure the valve
seat is centered on the valve face. The position of the valve in the seat is evident after lapping the valve.
4. If the seat does not make proper contact, lap the valve into the seat with a vacuum cup tool.
4.1. Coat the surface of the valve sparingly with a fine lapping compound.
4.2. Use the vacuum cup lapping tool (1) to grip the top of the valve. Rotate the valve in a circular
motion to lap the valve to the seat (Figure 13-26, Page 13-16).
4.3. Lift the valve slightly from the seat every 8 to 10 strokes, continuing the lapping operation until a
uniform ring appears around the entire surface of the valve face.
5. When lapping is completed, wash all parts in solvent to remove lapping compound. Dry the parts
thoroughly.
• USE CARE NOT TO DULL THE CUTTER. DO NOT TURN THE CUTTER COUNTERCLOCKWISE
OR ALLOW IT TO HIT A METAL OBJECT.
• THE 30° X 35MM SEAT CUTTER REMOVES MATERIAL VERY QUICKLY. CHECK THE SEAT
OUTSIDE DIAMETER FREQUENTLY TO PREVENT OVER-CUTTING.
• KEEP THE SEAT WIDTH AS CLOSE AS POSSIBLE TO 0.031 INCH (0.8 MM).
Figure 13-25 Measure Seat Width
Figure 13-26 Lap Valve to Seat
CAUTION
CAUTION
NOTE
0
0
10
10
20
20
30
30
40
40
50
5060
60
70
70
80
80
90
90
Measure seats
in several
places.
1