Pinguely-Haulotte HA20PX, Руководство по ремонту

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BREAKDOWN DETECTION FLOW CHART
Sheet DP027
NO PLATFORM ROTATION MOVEMENT
(RIGHT AND / OR LEFT)
Folio 3/5
The detective
movement left (1)
or right (2) is made in response
to an opposite movement control
right (1) or left (2)
NO
YES
- Invert the coils of the platform rotation
electrovalve YV19A and YV19B
- Press the pedal and activate the platform
(or turntable) rotation switch
B
Put coils YV19A and YV19B back
in their original positions
D
E
NO
YES
12V
OK
- Open the turntable control panel
- Press the pedal and activate the platform rotation
switch. Check for 12V voltage on terminals 310A (left) or
311A (right) of the printed circuit
Replace coil YV19A
(left) or YV19B
(right)
END
See Fiche
C059
NO
YES
12V
OK
Replace the
U1 module See Fiche
C058
Repair the connection or
replace the wiring harness
between the turntable control
panel and electrovalve YV19
END
NO
YES
The fault
persists
Replace the
printed circuit See Fiche
C063
END
END
Press the pedal and activate the platform
rotation switch. Check for 12V voltage at
the terminals of the YV19A (left) or YV19B
(right) connector