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(5) Insert Arbor C-4175 into bore of rack piston (Fig. 16) and hold tool tightly against worm shaft. (6) Turn the stub shaft with a 12 point socket COUNTERCLOCKWISE, this will force the rack pis- (7) Remove the rack piston and tool together from housing. (8) Remove tool from rack piston. (Fig. 17). (11) Remove teflon ring and O-ring from the rack piston (Fig. 18). (12) Remove the adjuster lock nut and adjuster nut from the stub shaft. (13) Pull the stub shaft with the spool valve and thrust support assembly out of the housing. (14) Remove the worm shaft from the housing (Fig. 19). INSTALLATION NOTE: Clean and dry all components and lubricate (1) Check for scores, nicks or burrs on the rack piston finished surface. Slight wear is normal on the (2) Install O-ring and teflon ring on the rack pis- ton. (3) Install worm shaft in the rack piston and align worm shaft spiral groove with rack piston ball guide CAUTION: The rack piston balls must be installed Fig. 16 Rack Piston with Arbor 1 - RACK PISTON Fig. 17 Rack Piston 1 - CLAMP Fig. 18 Rack Piston Teflon Ring and O-Ring 1 - TEFLON SEAL 19a - 6 STEERING R1 WORM SHAFT (Continued) |