Bertolini 74.1030.97.3, Руководство по эксплуатации, техническому обслуживанию и ремонту

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Position the pump crankcase assembly on the two screw-plugs 77.3943. Make sure
that the O-Rings on the crankcase spacer do not drop, then, with the aid of a
plastic mallet, push the pump crankcase assembly fully against the crankcase
spacer.
– Insert six M12x260 screws into the pump crankcase and tighten the screws of
pos. 1-2-3-4 in a crosswise manner, in that order, using at least 20-30 Nm
torque, so as to keep the pump crankcase and pistons square to each other.
•
Remove the two screw-plugs and insert the remaining two M12 screws in their place.
• Tighten all the M12 screws that fasten the head in the following sequence:
1) Tighten all screws to 60 Nm
2) Tighten all screws to 100 Nm
3) Tighten all screws to 100 Nm
•
Tighten the M8 screws that fasten the sleeve. Comply with the following sequence for
each pumping element:
1) Tighten all screws to 20 Nm
2) Tighten all screws to 35 Nm
3) Tighten all screws to 35 Nm