Service manual
FUEL INJECTOR NOZZLES
Removal And Installation
Diesel fuel or hydraulic fluid under pressure
can penetrate skin or eyes causing serious
injury. Fluid leaks under pressure may not be
visible. Use a piece of cardboard or wood to
find leaks. Do not use your bare hand. Wear
safety goggles. If fluid enters skin or eyes, get
immediate medical attention.
W–2074–1285
Some problems caused by faulty injector nozzles:
The engine is hard to start or will not start.
Rough engine operation and idle.
The engine will not have full power.
The engine exhaust smoke is black, white or blue.
Do not bend the high pressure fuel injection
tubes when removing or installing them.
I–2029–0289
Disconnect the high pressure fuel lines at the fuel
injection pump [A].
Installation: Tighten the fittings on the high pressure fuel
lines to 14–29 ft.–lbs. (19–39 Nm) torque.
Disconnect the fuel lines at the fuel injectors [B].
Remove the high pressure fuel lines from the engine [C].
Remove the low pressure hoses from the fuel injector
nozzles [D].
A
B–08975
C
B–08915
D
B–08918
–7–48–
853, 853H Loader
Service Manual
B
B–08917