Remington 493 Operating Instructions Manual page 19

6. Remove piston assembly from piston sleeve (see Figure 4).
Figure 4 - Removing Piston From Piston Sleeve
7. Tilt rear of base plate down. Guide will slide out.
REMOVING RUBBER PAD
1. Loosen screw on back of rubber pad with 5mm Allen wrench.
2. Detach rubber pad from top of tool first, then pull entire rubber pad from tool.
REMOVING ROCK ARM
Rock arm assembly is located on rubber pad.
1. Push out rock arm pin (see Figure 6).
2. Remove rock arm and spring from rubber pad.
Rock Arm
103500
Figure 5 - Removing Rubber Pad
Spring
Figure 6 - Removing Rock Arm
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Piston Sleeve
Rubber Pad
Rubber Pad
Rock
Arm Pin
Piston