Club Car Pioneer 900, Maintenance Service Manual

Page: 203 / 344

FE350 ENGINE Cylinder Head
2001 Pioneer 900 Gasoline Vehicle Maintenance and Service Manual Page 13-15
13
1. Clean the cylinder head thoroughly. See Cylinder Head Cleaning and Inspection on page 13-12.
2. Recondition the valve seats with the valve seat cutters (45° x 35mm, 30° x 35mm) and lap the valves.
2.1. Using Prussian Blue, check the seats for good contact all the way around. See Valve Seat
Inspection on page 13-13.
2.2. Measure the seat width of the 45° angle portion of the seat at several places around the seat
(Figure 13-25, Page 13-15).
2.3. If the seat width is more than 0.079 inch (2.0 mm), the seating surface should be resurfaced.
2.4. Resurface the valve seat with a 45° (exhaust port) or a 30° (intake port) cutter (CCI
101655401), removing only enough material to produce a smooth and concentric seat (Figure
13-26, Page 13-15).
∆ CAUTION
• Use care not to dull the cutter. Do not turn the cutter counterclockwise or allow it to hit a metal object.
2.5. Use a 60° x 35mm seat cutter (1) to narrow the seat width to the standard width.
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. See following CAUTION and NOTE.
Figure 13-24 Check Mark on Valve Head
Figure 13-25 Measuring Valve Seats Figure 13-26 Resurfacing Valve Seat
0.0197 INCH/0.0433 INCH
(.50/1.10 MM)
0
0
10
10
20
20
30
30
40
40
50
5060
60
70
70
80
80
90
90
Measure seats in
several places.
Resurface
valve seat with
(45
°
exhaust port)
or
(30
°
intake port)
cutter.
1