No. 1 Brake Cylinder: Installation

Install the No. 1 brake cylinder and No. 1 brake piston return spring.

NOTE: Make sure to install the No. 1 brake cylinder and brake piston return spring in the right direction.

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(A)	No. 1 brake piston return spring
(B)	No. 1 brake cylinder
(C)	Transmission case

Check that the oil pressure apply hole of the No. 1 brake cylinder matches the oil pressure apply hole (A) of the transmission case.

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Using the ST1, ST2, and ST3, compress the No. 1 brake piston return spring.
CAUTION:
- Be careful so that the ST3 does not hit against the No. 1 brake cylinder.
- Be careful not to damage the transmission case with the ST1 and ST3.
Preparation tool:

ST1: OIL PUMP PULLER (09350-07020)

ST2: PIPE (09351-04010)

ST3: SPRING COMPRESSOR NO. 1 (09351-04020)
Using a flat tip screwdriver wrapped with protection tape, install the snap ring.

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Check the operation of the No. 1 brake piston.

Blow compressed air through the hole shown in the figure, and check that the No. 1 brake piston moves smoothly when the pressure is released.

NOTE: Blow compressed air of 392 kPa (4.0 kgf/cm² , 56.8 psi).

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Perform the following check if the piston does not move smoothly.
1. Check that the oil pressure apply hole of the No. 1 brake cylinder matches the oil pressure apply hole of the transmission case.
2. Check the installation of the No. 1 brake cylinder and the No. 1 brake piston.

Install the front planetary ring gear. Ref. to AUTOMATIC TRANSMISSION>FRONT PLANETARY RING GEAR>INSTALLATION .