MAN.243 Rev.5 ENG - Use and maintenance manual S28 page 70 of 138
- by pressing the cursor on the right end, the
relative track is moved towards the front.
➔ At the end of operations, the operators must
restore the valves to their original condition.
It is strictly forbidden to use the MEWP with
solenoid valves tampered or without seals.
4.6.4 Emergency procedure in case of
endothermic engine failure
In case of failure of endothermic engine (engine
anomaly, fuel exhaustion, etc.), in order to pressurize the
oil in the hydraulic circuit, it is possible to use
alternatively:
o the 120/230 V electrical engine *optional (par.
3.1.2);
o the emergency electropump *optional (par.
4.5.6);
o the manual pump (par. 4.5.5).
On the left machine side of the frame, a manual pump /
electropump double tap (Picture 59) is positioned to
convey the oil in the hydraulic circuit towards the
outriggers or the aerial part.
Picture 59: manual pump/electropump double tap.
• Before starting the recovery of the aerial part, if
the electropump is present, turn the double tap
to the right, on the "aerial part" symbol
indicated by the applied decal (Picture 88) near
the same tap.
• In the same way, before starting the recovery of
the outriggers, turn the double tap to the left, on
the "outriggers" symbol indicated by the
decal.
Subsequently proceed with the emergency procedure
described in par. 4.5.3.
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