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| Unscrew belt pulley on vane pump, for this purpose use two-hole nut driver 3212 as counterholder. |
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| Unscrew front mounting bolts on vane pump → Item from subframe. |
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| Unscrew mounting bolt → Itemarrow at rear of vane pump. |
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| Take out the vane pump. |
Installation is carried out in the reverse sequence; note the following: |
t
| Renew gaskets and seals. |
t
| Before installing a new pump, fresh CHF 202 hydraulic oil must be added: Assignment → Spare parts catalogue on the intake side of hydraulic oil and manually turn pump until oil runs out on pressure side. |
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| Manually turn belt pulley until oil runs out on pressure side. |
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| Screw front mounting bolts into vane pump and tighten to specified tightening torque → Item. |
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| Screw mounting bolts into vane pump at rear and tighten to specified tightening torque → Item. |
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| Mount new oil seals on the banjo bolt. |
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| Tighten hollow bolt on pressure hose to specified tightening torque → Item |
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| Install suction hose. Installation position → Chapter |
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