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6
23. Once adjustment is finished, assemble the new
O-rings (D) on the injector pumps.
Important
• The O-rings must always be replaced with original
spare parts whenever the fuel rail is disassembled.
24. Apply some silicone sealant on the fuel rail seat.
25. Assemble the fuel rail and fasten the screws without
tightening them.
26. Tighten the screws to a final torque of 4 Nm.
27. Slip on a new gasket (P).
28. Reassemble the rocker arm cover (see "Assembling
the rocker arm cover").
6.7 BALANCING THE INJECTION-PUMP DELIVERY
Important
• It is necessary to balance delivery whenever the
injection-pump is replaced.
In order to work on the injector, it is necessary to remove
the rocker arm cover.
See "Disassembling the rocker arm cover" for the correct
procedure.
1. Remove the fuel rail (A).
2. Mount the "7107-1460-127" tool heads (B).
60
OVERHAULS AND TUNING
Service Manual LDW FOCS 502 automotive _ cod. ED0053027270 - 3° ed_rev. 02
D
84
A
85
P
B
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