70
12/04
SPIDER MAX 500
B
NOTE - The system bad sealing only affects the quickness of start-up.
Check the sealing of all the hose and
coupling to the injector with care. Repe-
at the component sealing checks if ne-
cessary.
Faulty pump unidirectional valve.
Replace the pump (see pump support re-
vision).
No difference recorded Repeat the test by compression the tool hose across the offtake and
the pump and check whether the pressure decreases at a remarkable lower rate.
The pressure decreases at a remarkable lower
rate.
Check the injector sealing and replace it if neces-
sary (THERMAL UNIT AND TIMING) (see Engine
Manual).
No difference recorded.
Repeat the test by compressing the tool hose across the offtake and the injector.
Verify whether the pressure decreases at the same rate when the system is free from com-
pressions.
F. 27/d
F. 27/e
