BREAKDOWN DETECTION FLOW CHART
Sheet DP068
NO BOOM LIFTING MOVEMENT
(UP AND/OR DOWN) FROM THE PLATFORM
(OR TURNTABLE) CONTROL PANEL
Folio 4/4
B
Activate the rotation movement in the emergency
mode:
- Put the emergency lever into place (or activate the
emergency unit) on the manual control of the rota-
tion distributor (YV5)
- Activate the lever right/left while pressing the
emergency control of the safety valve (YV1)
NO
YES
Movement
OK
Replace PVG electrovalve YV3 See Fiche
END
Summary of Contents for HA20PX
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Page 4: ...1 Repair manual 2...
Page 10: ...Repair Manual vi 15 CORRECTIVE MAINTENANCE PROCEDURES 177...
Page 26: ...Repair Manual 20...
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Page 36: ...Repair Manual 30...
Page 46: ...135 Repair manual 40...
Page 47: ...Repair manual 135 41 7 SAFETY LOCATION...
Page 48: ...135 Repair manual 42...
Page 51: ...Repair manual 135 45 8 1 3 Positions of fuses 19 22 26 27 23 25 24 21 20...
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Page 74: ...Repair manual 68 12 7 2 Commom orange label 6...
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Page 86: ...PREVENTIVE MAINTENANCE SHEET...
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Page 248: ...CORRECTIVE MAINTENANCE SHEET Folio 2 2 CHANGING THE HYDRAULIC PUMP Sheet C091 7 6 3 3 1 2 4 5...
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Page 265: ...CORRECTIVE MAINTENANCE SHEET Folio 3 3 CHANGING THE SLEW RING Sheet C106 12 13 11...
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Page 274: ...CORRECTIVE MAINTENANCE SHEET Folio 2 2 CHANGING THE JIB CYLINDER Sheet C115 2 4 3 5 1...
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Page 282: ...CORRECTIVE MAINTENANCE SHEET CHANGING THE COUNTERWEIGHTS Sheet C134...