Size P Injector, For 97/68 Ce And Epa Engines; Size P Nozzle, For 97/68 Ce And Epa Engines; Injector Setting - Kohler KD 625/2 Workshop Manual

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KD 625-2 Workshop Manual_cod. ED0053029380_1° ed_ rev. 00

Size P injector, for 97/68 CE and EPA engines

Components:
1 Injector housing
2 Intake fitting
3 Shim
4 Spring
5 Pressure rod
6 Taper pin
7 Nozzle
8 Cup
9 Needle valve
10 Sump
11 System duct
12 Overflow pipe

Size P nozzle, for 97/68 CE and EPA engines

Features:
Hole number and diameter ............. 5 x 0.23 mm.
Jet angles ....................................... 150°.
Needle valve elevation ................... 0.200 ÷ 0.205 mm
Clean nozzle tip with a brass brush.
Check that holes are not obstructed using a mandrel with steel wìre
with 0.23 mm diam.
When refitting tighten ring nut at 42 ÷ 48 Nm.


Injector setting

Connect the injector to a diesel injector calibration pump.
Check needle valve sealing by slowly moving hand pump until approxi-
mately 180 bar and maintain this pressure for 10 seconds.
Chek that setting pressure is 210 ÷220 bar for standard engines (245 ÷
230 bar for EPA e CE engines); make the required adjustments, if any,
by modifying the adjusting shim height.
When replacing the spring, setting should be performed at a 10 bar
greater pressure (255÷265 bar) to allow for bedding during operation.
Replace nozzle in case of dripping.
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Fuel system
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