Hatz 2-4L30, Workshop Manual

Page: 102 / 174

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Preparations:
– Take off the capsule hood and side
panel.
– Detach the fuel delivery pipes from all
injector pumps, holding the pipe union
to prevent it from turning.
Check injection pumps:
(Fig. 182)
– Attach test nozzle
- 5 -
with delivery
pipe to the injection pump you wish to
check.
– Cover the pressure valve holders on the
other injection pumps with absorbent
cleaning cloths.
– Move the speed control lever to the
start position and run the starter.
If the spray pattern is correct, the pump
you have checked is in good mechanical
working order (no pump element wear, no
leakage at pressure valve).
ATTENTION !
Keep hands away from the injected fuel
spray.
The fuel spray from the injector nozzle
can cause blood poisoning if it contacts
the skin.
3
L / M . . 09.96
182
M 14.00 Fuel injection equipment
M 14.00 Injection pump, functional check