
55
COMPILER TECO/ATL
REG. CODE
1-5302-296
MODEL N°
50510
DATE OF ISSUE
01.89
REVISION
02
ENDORSED
DATE
17.04.2003
144
143
142
X
INJECTOR
Components:
1
Intake fitting
2
Nozzle holder
3
Shim
4
Spring
5
Pressure rod
6
Intermediate flange
7
Nozzle
8
Needle valve
9
Fixing flange
10
Taper pin
11
Gasket
12
System duct
13
Sump
14
Cup
Nozzle
Features:
Hole number and diameter 4x0.28 mm.
Jet angles = 160°.
Needle valve elevation = 0.20÷0.22 mm
Hole length = 0.7 mm
Sump diameter and length = 1x1.5 mm
Clean nozzle tip with a brass brush.
Check that holes are not obstructed using a mandrel with steel wìre
with 0.28 mm diam.
When refitting tighten ring nut at 7 Kgm.
Injector setting
Connect injector to a hand pump and check that setting pressure is
210÷220 bar; make the required adjustments, if any, by changing
the shim over the spring.
When replacing the spring, setting should be performed at a 10 bar
greater pressure (220÷230 bar) to allow for bedding during
operation. Check needIe valve sealing by slowly moving hand pump
until approximately 180 bar.
Replace nozzle in case of dripping.
FUEL SYSTEM