99903514:TELESCOPIC CRANE:
2-1 SECTION 2: MAINTENANCE
SECTION 2: MAINTENANCE
2-1: GENERAL ..........................................................................................................................2
2-2: MAINTENANCE SCHEDULE ............................................................................................2
2-3: LUBRICATION ...................................................................................................................3
2-4: LUBRICATION POINTS .....................................................................................................3
MODELS 3020, 3820, & 5020 ...............................................................................................4
MODELS 1015 & 2020..........................................................................................................4
MODELS 5525, 6025, & 6625 ...............................................................................................5
MODELS 7020 & 7025..........................................................................................................5
2-5: HYDRAULIC SYSTEM .......................................................................................................6
2-5-1: HYDRAULIC OIL SPECIFICATIONS ..............................................................................6
2-5-2: LOW TEMPERATURE HYDRAULIC OIL SPECIFICATIONS ........................................6
2-5-3: HYDRAULIC FLUID LEVEL ...........................................................................................6
2-5-4: HYDRAULIC FLUID DETERIORATION .........................................................................7
2-5-5: CHANGING HYDRAULIC OIL ........................................................................................7
2-5-6: PURGING AIR FROM THE HYDRAULIC SYSTEM........................................................7
2-5-7: HYDRAULIC PRESSURE RELIEF ................................................................................8
2-5-8: HYDRAULIC CYLINDER HOLDING CAPABILITIES .....................................................8
2-5-9: HYDRAULIC FILTER REPLACEMENT .........................................................................8
2-5-10: HYDRAULIC SYSTEM TROUBLESHOOTING ............................................................8
2-6: WIRE ROPE & HOOK MAINTENANCE ............................................................................9
2-6-1: WIRE ROPE INSPECTION .............................................................................................9
2-6-2: WIRE ROPE LUBRICATION...........................................................................................9
2-6-3: WIRE ROPE MAINTENANCE.......................................................................................10
2-6-4: WIRE ROPE REPLACEMENT .....................................................................................10
2-6-5: WIRE ROPE SLINGS.................................................................................................... 11
2.6-6: WIRE ROPE LAY...........................................................................................................12
2-6-7: HOOK & LATCH MAINTENANCE ................................................................................12
2-7: PERIODIC VEHICLE INSPECTION ................................................................................13
2-8: PERIODIC CRANE INSPECTION ...................................................................................13
2-9: ADDITIONAL INSPECTIONS...........................................................................................13
2-10: TETHERED REMOTE CONTROL INSPECTION..........................................................14
2-11: CORROSION CONTROL ...............................................................................................14
2-12: LONG TERM STORAGE................................................................................................14
2-13: CHEMICAL SAFETY......................................................................................................15
2-14: EXCESSIVE LOAD LIMIT SYSTEM (ELLS) TEST PROCEDURE ...............................16
2-15: ELLS TROUBLESHOOTING PROCEDURE ................................................................21
2-16: WINCH TROUBLESHOOTING ......................................................................................22
20030115
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