21. Detaching steering return line from · the supply tank with tool. ,/ The

21. Detaching steering return line from the supply tank with tool. ,/ The line can also be detached using a commerciallyavailabletool. The removal tool from Messrs. Snap-Qn,for example, is recommendable.Insert tool between IA line and the red unlocking ring and unlock. 0 Pull line to the rear and simultaneously " t ~ press the tool against the red ring. Carefully protect the line against dirt and scratches with a cap. 'I \\~::;;;;;;==£:~ l 0 ~ ~-- 545_98 23. Removeoil-water he,3t exchanger.Remove vent line. Undo four tlexagon socket head bolts (aff 5 mm), 24. Removevacuumtank. 25. Removeknock sensors, 1- 544_98 22. Detach hydraulic pump and steering supply line. Undo steering supply line (wrench size 17); simultaneouslycounter at the body (wrench size 27). Undo three hexagon-headbolts (M8 x 12) and remove hydraulic pump to the rear. 10 01 37 Disassembling and assembling engine 10 -37 Printed in Germany -19, 1998 9961033 '-(\\.(