03.02.02 Disassembly and assembly of
unit injector
Preparation: Remove camshaft housing cover.
Clean sealing surface of rubber seal
and check for hardening and damage.
Replace seal, if required.
1 Turn crankshaft until injector cam is at base circle as
well intake and exhaust valve are open, in order to
permit a lateral shifting of rocker arm.
2 Beforelooseningangenutsofunitinjectors,ven-
tilate fuel system. For this purpose, open screw of
banjottingjustenaughtoletairthroughsealrings
betweenfuellterandfuelpump(ill.4/pos.1),andlet
pump run approx. 6 times for 10 sec.
Make sure that air is sucked.
ATTENTION: Close fuel cock on tank, if tank is higher
thanfuelsupplyonlterhead.
02.02 ill.3
02.02 ill.2
02.02 ill.1
1
02.02 ill.4