Clutch and Brake Pistons

► Two types of pistons are used; a non-split piston that acts in the push direction for the No.1 clutch (C1) operation, and a split piston that acts in the pull direction for the No.2 clutch (C2) operation. These two types of pistons contribute to making the entire clutch structure compact.

► When the split piston operates, clutch drag occurs due to rattling cause by the divided portion of the piston. However, by fitting springs on the piston circumference, such rattling is restrained and the occurrence of clutch drag is minimized.

► By setting the piston for the No.3 brake (B3) operation around the counter drive gear, the brake structure has been made more compact.

Piston (Split type)

Counter Drive Gear

Piston (Split type)

Counter Drive Gear

Spring

Piston (Split type)

Piston (Non-split Type)

Spring

Piston (Split type)

Piston (Non-split Type)

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