4.14 Pressure pump support VF4

Position the pressure pimp support in a vice fitted with protective jaws. Lock the rotation of the pressure pump drive pulley using two bolts.

Undo the pressure pump drive pulley nut. Undo the two bolts for locking the rotation of the pressure pump drive pulley fitted previously.

Undo the nuts (1 a) and remove the pressure pump (1b) from the support.

Place the pressure pump (1 a) on the support and secure it tightening the nuts (1b) to the recommended torque .

Injection pressure pump mount

Nut M8 (daNm) 2.3 ÷ 2.8

Place the pressure pump drive pulley back in its housing. Lock the rotation of the pressure pump drive pulley using two bolts.

Tighten the nut fixing the pressure pump drive pulley to the recommended torque.

Pressure pump control pulley

Nut M14 (daNm) 4.2 ÷ 6.6

Undo the two bolts for locking the rotation of the pressure pump drive pulley fitted previously.