Cylinder Head; Injector - Kohler RD 441 Service Manual

4
Disassembly
16
17
A
B
18
19
- 22 -
Loosen the inlet union of the injection pump.
Loosen the outlet union of the injection pump.
Loosen the fastening screw between the diesel fuel filter and the so-
lenoid valve.
Remove the fuel supply circuit complete with solenoid valve, filter and
fuel pump.

Injector

Loosen screw A and remove the bracket fixing injector B to the cylin-
der head.
Remove injector C together with copper seal D.
C
The correct protrusion of the spray nozzle from the cylinder
head surface is obtained with copper seal D available in the
following thicknesses: 0.5, 1 and 1.5 mm.
D

Cylinder head

C
Before disassembling the cylinder head, remove rocker arms C
and the pushrods.
Important Caution - Warning
Caution – Warning
Workshop Manual KD 441_cod. 1.5302.865_2
nd
ed_ rev. 01.