Prins Direct LiquiMax, Installation Manual

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PAGE 14 076/0705500
Copyright © Prins Autogassystemen B.V. 2014
Installation of the Bosch High Pressure Petrol Pump
-INSTALLATION-
Before installing the high pressure fuel pump, position the roller tappet (
B & C ) in the lowest position by rotating the
crankshaft. Otherwise the installation bolts may be broken because of tension of the pump spring.
Apply engine oil to the O-ring (
A ) of the high pressure fuel pump, the roller tappet ( B ), and the protrusion ( C ). ( roller
tappet, only if removed from cylinder head )
Also apply engine oil to the groove on the location where the protrusion (
C ) is installed.
Installation bolts:
When tightening the installation bolts of the high pressure fuel pump, tighten and turn the bolts in small step
( 0.5 turns ) after tightening them with hand-screwed torque.
High pressure petrol pump installation bolt: 12.8 ~ 14.7 N.m
Petrol pipe:
First hand-tighten the nut(s) fully until they are not fastened any more in order to have them inserted in place and then
completely tighten to the specified torque using a torque wrench.
If not tightening the bolts or nuts in a straight line with the mating bolt holes or fittings, it may cause a fuel leak due to
broken threads.
High pressure petrol pipe installation nut: 26.5 ~ 32.4 N.m
Installation is reverse of removal.