Toro Reelmaster 5100-D, Service Manual

Page: 76 / 318

8. Measure the piston outside diameter (Fig. 84). (See
Cylinder Block in this section).
Maximum piston to cylinder wall clearance:
0.3 mm (0.012 in.)
Figure 84
9. Use a thickness gauge to check the piston ring side
clearance (Fig. 85).
If the piston ring side clearance exceeds the service
limit, the ring must be replaced. If the clearance still does
not meet specifications with a new ring the piston must
be replaced. (See the Specifications section of this
chapter.)
Figure 85
10. Measure the piston ring end gap. Insert the ring into
the least worn area of the cylinder by pushing it into
place with the piston (Fig. 86). If the gap exceeds 1.5
mm (0.060 in.) the ring must be replaced.
Figure 86
Cylinder Block Overhaul Page 3 - 60 Reelmaster
®
223-D/5100-D