Use and maintenance manual Self-propelled aerial platforms Page 34
5.6
Emergency manual controls
This function is to be used only in emergency situations when no motive power is available.
Fig.11
In case of fault in the electric or hydraulic system, carry out the following emergency procedures.
5.6.1
Platform emergency lowering
-
Open the cowling and locate the components shown in the above figure;
-
Insert the specially provided lever on the manual pump handle;
For platform EMERGENCY LOWERING operate the manual pump and simultaneously the manual operator marked with
EV5A.
THE EMERGENCY LOWERING CONTROL CAN BE STOPPED AT ANY TIME BY RELEASING THE MANUAL OPERATOR
MARKED WITH EV5A.
5.6.2
Other emergency operations
For OTHER EMERGENCY OPERATIONS:
-
Insert the specially provided lever on the manual pump handle;
-
Completely unscrew the knurled knob of the solenoid valve corresponding to the desired movement according to the
following table;
-
Activate the emergency pump;
-
Check the correct execution of this procedure;
Electric valve abbreviations and relevant movements:
EV21 front left levelling cylinder pad lifting;
EV22 front left levelling cylinder pad lowering;
EV23 front right levelling cylinder pad lifting;
EV24 front right levelling cylinder pad lowering;
EV25 rear left levelling cylinder pad lifting;
EV26 rear left levelling cylinder pad lowering;
EV27 rear right levelling cylinder pad lifting;
