RX7 2RTR-1308cc 80 (1984)
6.
Remove oil seal, bearing, sleeve, worm shaft and O-rings from valve housing, as required.
7.
Remove and discard seal ring and O-ring from piston assembly.
Gear Assembly
1.
Reverse disassembly procedure to assemble, noting the following:
a. Install upper housing seal with lip facing inward and lower seal with lip facing outward.
b. Apply clean power steering fluid to O-rings, seals and valve housing components prior to installation.
c. On 1984-85 RX-7, when installing worn shaft and piston, insert shaft into piston so two grooves are visible between valve housing and ball
nut. Insert 22 balls into ball guide hole while turning shaft clockwise. Install 8 remaining balls into one side of guide and place opposite side
of guide onto it, then secure ball guide to piston. Install polished and dark colored balls alternately.
d. On 1986 B2000 and 1987-88 B2200 and B2600, position worm shaft in center position, then set sector shaft adjusting screw so that worm
shaft preload is 1.3-2 lbs. If specified preload is not obtained, disassemble gear box and check for dirt, damaged gears or defective oil seals.
