8)Assembling the piston rod and crank shaft(See the figure 13.)
a. Set the 2 pieces of O ring 30 on the cylinder 28.5, and insert them into the crank housing.
b. Insert the piston until the rod hole is placed inside the crank room.
c. Insert the crank shaft while approaching the crank shaft to the rod hole.
Figure 13
Cylinder 28.5
O ring 30
Rod hole
Piston
Crank room
Flat washer 42
Crank shaft
Figure 14
9)Assembling the fluorocarbon ring 25 on the impact bolt
a. If the fluorocarbon resin ring is assembled on the impact bolt, the fluorocarbon resin ring will
be extended and protruded over the groove.
b. Keep about 10 sec. after inserting the repairing tool (Taper sleeve), and then modify it.
c. When inserting the impact bolt into the tool holder , use care not to tear off the fluorocarbon resin ring.
Groove on the
impact bolt
Fluorocarbon resin ring 25
O ring
Edge face protruded
Taper sleeve
After modification
Crank housing
Sleeve
O ring 22
