Injector - Kohler RD 441 Service Manual

8
Fuel system
166
167
168
- 68 -
A
C B

Injector

Components:
1 Body
2 Union
3 Adjusting shim
4 Spring
5 Pressure rod
6 Pin
7 Nozzle
8 Nozzle cup
9 Needle valve
10 Tip
11 Duct
12 Return hole
After re-assembly, tighten ring nut 8 to a 50 Nm torque value.
Bar filter
Bar filter A is a filter inside the injector inlet union.
If obstructed, replace the inlet union together with the bar filter.
Replace inlet union B and gasket C.
Important
The bar filter cannot be cleaned. The inlet union and the gasket
must be therefore replaced.
Workshop Manual KD 441_cod. 1.5302.865_2
nd
ed_ rev. 01.