Control Valve Assembly

Disconnect the four pipes from gearbox.

NOTE: Remove the pipes E and F as a single unit being fixed at clamp plate.

Secure the gearbox removed from the vehicle in vise using ST.

ST 32005190 STAND

IMPORTANT: Secure the gearbox in a vise using ST as shown. Do not attempt to secure it without this ST.

Fig 1: Securing Gearbox In Vise

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Using the ST, loosen the lock nut.

ST 32005191 SPANNER

Fig 2: Loosening Lock Nut

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Tighten the adjusting screw until it no longer tightens.

Fig 3: Tightening Adjusting Screw

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Loosen the adjusting screw, and then remove the spring and sleeve.

Remove the two bolts securing valve assembly.

Fig 4: Removing Bolts Securing Valve Assembly

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Carefully draw out the input shaft, and then remove the valve assembly.

Fig 5: Removing Valve Assembly

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Slide the dust cover out.

Fig 6: Sliding Dust Cover Out

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Using a press remove the pinion and valve assembly from valve housing.

Fig 7: Removing Pinion And Valve Assembly From Valve Housing

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Using the ST and press, remove the dust seal, oil seal and special bearing from valve housing.

ST 32005047 INSTALLER & REMOVER SEAL

IMPORTANT:

Fig 8: Removing Dust Seal, Oil Seal And Special Bearing From Valve Housing

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Remove the snap ring using snap ring pliers.

IMPORTANT: Be careful not to scratch the pinion and valve assembly.

Fig 9: Removing Snap Ring Using Snap Ring Pliers

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Press out the bearing together with the back up washer using pipe of I.D. 38.5 to 39.5 mm (1.516 to 1.555 in) and press.

Fig 10: Pressing Out Bearing Together With Back Up Washer

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Remove the oil seal.