CYLINDER & MTG GP-STEERING 1554550 - Caterpillar

Use the following procedure to disassemble the earlier style of governor output servo assembly.
Slide sleeve (70) against servo piston (71) .
Illustration 44 g00523035
(D) 1U-7606 Servo Block (E) 1U-7277 Pin Punch (73) Clevis
Position Tool (D) on the side so the notch is facing upward. Place the governor output servo so the sleeve is in the recess of Tool (D). The clevis end of the governor output servo should be located on the side of Tool (D). Rotate the governor output servo assembly so spring pin (74) is facing upward. Use Tool (E) to press spring pin (74) through both parts.
Remove clevis (73), sleeve (70) and servo valve (72). Remove O-ring seal (75). Check the O-ring seal for wear