17 POWER STEERING V. Removing the steering unit from the vehicle. 1. Thoroughly clean the steering unit and the area around it paying particular attention to the line connection. 2. Drain the oil, by opening the drain plug (48) Refer fig. 15 or one of the pipe connections. Turn the steering so that the piston is shifted upwards up to the stop. Then briefly, maximum 10 seconds, crank the engine until the oil is sucked out of the pump and oil reservoir. After switching of the engine turn the steering several times both up to the left and the right stop so that the oil remaining in the cylinder chambers is pumped out. 3. Disconnect the pressure and return lines from the steering. 4. Plug all openings, to prevent dirt entering the system. 5. Remove the steering drop arm with a suitable pulling devices. Under no circumstances must the steering drop arm be removed by driving a wedge between the neck of the housing and the steering drop arm or with hammer blows since this may cause serious damages within the steering gear. 6. Valid for steering units with universal joints : a) Loosen the universal joint or flexible coupling between the steering gear and steering column. b) Remove the securing bolts on the housing and withdraw the steering unit.
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