Club Car 1996 DS Golf Car Gasoline, Service Manual

Page: 207 / 544

Page 13-17
G
13
VALVES
Visual Inspection
1. Inspect the valve head seating area (1) for erosion, nicks and warpage, etc. (Figure 13-27).
2. If the valve head seating area is worn, replace the valve.
3. If the valve head seating area is eroded or nicked, it may be possible to repair the valve on a valve
refacing machine. Follow the refacing machine manufacturer’s instructions. The valve seating surface
angle for the FE 290 is 45° (Figure 13-28).
4. Inspect the stem for obvious wear, discoloration, and stem end damage.
5. If the stem is obviously worn or discolored, replace the valve.
Valve Head Thickness
1. Measure the thickness of the valve head, as shown (Figure 13-28).
2. If the valve head thickness (A) is less than 0.024 inches (0.610 millimeters), replace the valve.
Valve Stem Bend
1. Support the valve in V blocks at each end of the stem (Figure 13-29).
2. Position a dial gauge perpendicular to the stem.
3. Turn the valve and read the variation on the dial gauge.
4. If stem bend is greater than the service limit of 0.0012 inches (0.0305 millimeters), replace the valve.
• WHEN MAKING TESTS OR REPAIRS, ALWAYS:
- WEAR SAFETY GLASSES OR APPROVED EYE PROTECTION.
- REMOVE KEY.
- DO NOT ATTEMPT TO SERVICE HOT ENGINE OR EXHAUST.
- DISCONNECT BATTERY AS SHOWN (FIGURE 12-1, PAGE 12-2).
- REMOVE SPARK PLUG WIRE.
• BEFORE REMOVAL AND DISASSEMBLY, CLEAN THE ENGINE.
• SEE SAFETY WARNINGS, PAGE 13-1.
FIGURE 13-29 FIGURE 13-30
WARNING
A
2
A
B
C
D D
C
B
A
1
1
1 1
1 1
1
1
A
1
MEASURE EACH POSITION
IN 2 PLACES 90
°
APART