Club Car Gasoline Service Manual page 216

Piston Inspection and Repair, Continued:
13
G 2
1
3. Be sure the oil return passages in the ring grooves are open.
4. Visually inspect the piston rings and grooves for uneven wear or damage. Replace them if uneven wear
or damage is excessive.
5. Using a new piston ring and a feeler gauge, measure the clearance between the grooves and ring at
several points around the grooves (Figure 13-48).
6. If the top groove has a clearance greater than 0.0063 inches (0.16 millimeters), replace the piston.
7. If the second groove has a clearance greater than 0.0055 inches (0.14 millimeters), replace the piston.
8. The oil ring is made of three pieces: upper and lower rails and expander. It is difficult to measure the
ring groove clearance and thickness. Inspect visually.
PISTON RING
1. Insert the ring squarely into the cylinder bore to a point approximately 1 inch (25 millimeters) down from
the top the cylinder. See Note below.
NOTE
• USE THE TOP OF THE PISTON TO PUSH THE RING INTO THE BORE TO BE SURE IT IS
SQUARE.
2. Using a feeler gauge, measure the ring end-gap (Figure 13-49).
3. If the end-gap of any ring is greater than 0.0472 inches (1.199 millimeters), replace the entire set of
rings.
4. Using a micrometer, measure the thickness of both piston rings at several points around the rings
(Figure13-50).
Page 13-26
FIGURE 13-47
FIGURE 13-49
FIGURE 13-48
A
B
C
FIGURE 13-50
D
E