Gradall 544 User Manual
Page 9
HEATER ..................................................................................................................................2-3
HEAT SHIELD .........................................................................................................................5-9
HEATER SWITCH .................................................................................................................. 2-3
HOOD .....................................................................................................................................2-1
HORN .................................................................................................................................. 11-4
HORN BUTTON ................................................................................................................... 11-1
HORN RELAY ...................................................................................................................... 11-4
HORN WIRING ..................................................................................................................... 11-4
HOSE CARRIER .........................................................................................................9-11, 9-12
HOURMETER ...................................................................................................................... 11-1
HYDRAULIC CIRCUITS ..........................................................................................9-1 thru 9-17
HYDRAULIC CONTROLLER (Joystick)............................................................................. 10-29
IGNITION SWITCH .............................................................................................................. 11-1
INCHING VALVE ..............................................................................................................8-2, 8-3
INSTRUMENT PANEL ......................................................................................................... 11-1
JOYSTICK (Hydraulic Controller) ....................................................................................... 10-29
JOYSTICK HYDRAULIC CIRCUIT ...................................................................................... 9-15
KITS ..................................................................................................................................... 1-11
LIFT CYLINDER .................................................................................................................. 10-9
LIFT CYLINDER HYDRAULIC CURCUIT ..............................................................................9-8
MAIN BOOM SECTIONS ................................................................................... 3-1, 3-2, 3-3, 3-4
MAIN HYDRAULIC PUMP ........................................................................................... 5-1, 10-22
MISCELLANEOUS ELECTRICAL COMPONENTS ............................................................ 11-4
MUFFLER ...............................................................................................................................5-9
NEGATIVE BATTERY CABLE ............................................................................................. 11-2
OIL COOLER ................................................................................................................... 9-3, 9-4
OIL FILTER (Hydraulic) ............................................................................................10-25, 10-26
OIL PRESSURE GAUGE ..................................................................................................... 11-1
OIL PRESSURE SENDER .....................................................................................................5-2
OIL RESERVOIR ................................................................................................................ 10-26
OIL SUPPLY & PRESSURE LINES ................................................................................. 9-1, 9-2
OUTRIGGER ARM.................................................................................................................. 2-6
OUTRIGGER CONTROL VALVE ....................................................................................... 10-16
OUTRIGGER CYLINDER .................................................................................................... 10-9
OUTRIGGER CYLINDER HYDRAULIC CIRCUIT .............................................................. 9-16
OUTRIGGER SHOE ...............................................................................................................2-6
INTRODUCTION
Alphabetical Index
Starting Serial No. 8655105G
Original Issue 8-86
Revised 8-97
1-7