Model 605 Steering Gear

Fig. 10 Lower thrust bearing & adjuster assembly. Model 605:

Fig. 11 Stub shaft seals & snap ring. Model 605:

Fig. 12 Stub shaft bearing removal. Model 605:

Fig. 13 Pitman shaft seals & bearing. Model 605:

DISASSEMBLE

1. Remove preload adjuster nut. Preload adjusting nut has a lefthand thread.
2. Center gear by rotating stub shaft, then remove side cover snap ring, pitman shaft, side cover, O-ring seal and spring.
3. Remove locknut, adjuster plug and O-ring seal, then the lower thrust bearing assembly, Fig. 10.
4. Push stub shaft to remove rack piston and valve assembly.
5. Remove stub shaft snap ring, dust seal and shaft seal, then the needle bearing and upper thrust bearing, if necessary, Figs. 11 and 12.
6. Remove pitman shaft snap ring, dust seal, washer and oil seal, then the needle bearing, if necessary, Fig. 13.

Fig. 14 Valve & worm removed from rack. Model 605:

Fig. 15 Valve & worm disassembled. Model 605:

Fig. 16 Spool valve assembly. Model 605:

Fig. 17 Stub shaft removal. Model 605:

DISASSEMBLE RACK PISTON, VALVE & WORM ASSEMBLY

1. Remove valve and worm from rack, then the Teflon ring and O-ring seal from rack piston, Fig. 14.
2. Remove snap ring and worm shaft from valve, Fig. 15.
3. To disassemble spool valve, Fig. 16, proceed as follows:
a. Hold valve and tap stub shaft on wooden block to loosen shaft cap.
b. To remove stub shaft, pull cap out 1/4 inch, then disengage pin on shaft from hole in spool, Fig. 17.
c. Rotate and lift spool from valve body.
d. Remove Teflon rings and O-rings from valve body and spool.