Troy-Bilt 78 Benutzerhandbuch

78/83/90 Series Horizontal Shaft Engines

110

Measure the gap between the ring and the ring land
using a feeler gauge and compare the measure-
ment to the chart at the end of this chapter.
See Figure 10.11.

Measure the piston pin bore on both sides of the
piston using telescoping gauges or vernier caliper.
See Figure 10.12.

NOTE: Measurements should be taken at right

angles to check the roundness of the holes.

Measure the piston pin at the center and the ends
using a micrometer or a vernier caliper.
See Figure 10.13.

Figure 10.11

Feeler gauge

Figure 10.12

Piston pin bore

Figure 10.13

For Parts Call 606-678-9623 or 606-561-4983