Genie GR-20J GR-26J Service Manual 227656 – PDF DOWNLOAD

Description

Genie GR-20J GR-26J Service Manual 227656 – PDF DOWNLOAD

Language : English
Pages : 119
Downloadable : Yes
File Type : PDF

Table of Contents:

Genie GR-20J GR-26J Service Manual 227656 – PDF DOWNLOAD

Front Cover.................................................................................  1
Introduction................................................................................  2
Revision History............................................................................  3
Serial Number Legend........................................................................  5
Safety Rules................................................................................  6
Table of Contents...........................................................................  8
Specifications.............................................................................. 13
	Machine Specifications.................................................................. 13
	Performance Specifications.............................................................. 14
	Hydraulic Specifications................................................................ 14
	Manifold Component Specifications....................................................... 15
	Hydraulic Hose and Fitting Torque Specifications........................................ 16
	SAE and Metric Fastener Torque Chart.................................................... 18
Scheduled Maintenance Procedures............................................................ 19
	Pre-delivery Preparation................................................................ 20
	Maintenance Inspection Report........................................................... 23
	Checklist A Procedures.................................................................. 25
		A-1 Inspect the Manuals and Decals.................................................. 25
		A-2 Perform Pre-operation Inspection................................................ 26
		A-3 Perform Function Tests.......................................................... 26
		A-4 Perform 30 Day Service.......................................................... 26
		A-5 Hydraulic Suction Strainer...................................................... 27
	Checklist B Procedures.................................................................. 28
		B-1 Inspect the Battery............................................................. 28
		B-2 Inspect the Electrical Wiring................................................... 29
		B-3 Inspect the Tires and Wheels ................................................... 30
		B-4 Test the Emergency Stop......................................................... 31
		B-5 Test the Horn................................................................... 31
		B-6 Test the Key Switch............................................................. 32
		B-7 Test the Drive Brakes........................................................... 33
		B-8 Test the Drive Speed - Stowed Position.......................................... 34
		B-9 Test the Drive Speed - Raised Position.......................................... 35
		B-10 Test the Flashing Beacon (if equipped)......................................... 36
		B-11 Test the Motion Alarm.......................................................... 37
		B-12 Perform Hydraulic Oil Analysis................................................. 38
		B-13 Inspect the Breather Cap....................................................... 38
		B-14 Inspect the Rear Axle Free-wheeling............................................ 39
		B-15 Inspect the Lateral Offset of the Mast......................................... 40
		B-16 Inspect the Mast Wear Pads..................................................... 41
	Checklist C Procedures.................................................................. 42
		C-1 Calibrate the Platform Overload System (if equipped)............................ 42
		C-2 Replace the Hydraulic Tank Breather Cap - Models with Optional Hydraulic Oil.... 43
	Checklist D Procedures.................................................................. 44
		D-1 Replace the Hydraulic Tank Return Filter........................................ 44
	Checklist E Procedures.................................................................. 45
		E-1 Test or Replace the Hydraulic Oil............................................... 45
Repair Procedures........................................................................... 47
	Platform Controls....................................................................... 48
		1-1 Circuit Boards.................................................................. 48
		1-2 Controller Adjustments.......................................................... 49
	Platform Components..................................................................... 53
		2-1 Platform........................................................................ 53
		2-2 Platform Overlaod System........................................................ 54
	Jib Components.......................................................................... 56
		3-1 Jib Cylinder.................................................................... 56
	Mast Components......................................................................... 57
		4-1 Mast Assembly................................................................... 57
		4-2 Lift Cylinder................................................................... 70
	Ground Controls......................................................................... 72
		5-1 Level Sensor.................................................................... 72
	Hydraulic Pump.......................................................................... 73
		6-1 Function Pump................................................................... 73
	Function Manifold....................................................................... 76
		7-1 Function Manifold Components.................................................... 76
		7-2 Valve Adjustments - Function Manifold........................................... 78
	Hydraulic Tank.......................................................................... 81
		8-1 Hydraulic Tank.................................................................. 81
	Turntable Components.................................................................... 82
		9-1 Turntable Rotation Motor........................................................ 82
		9-2 Battery......................................................................... 84
		9-3 Battery Charger................................................................. 85
	Steer Axle Components................................................................... 86
		10-1 Yoke........................................................................... 86
		10-2 Steer Cylinder................................................................. 87
		10-3 Steering Rod................................................................... 88
		10-4 Steer Angle Sensor............................................................. 88
	Non-steer Axle Components............................................................... 90
		11-1 Drive Motors................................................................... 90
		11-2 Drive Brake.................................................................... 92
Fault Codes................................................................................. 93
	Fault Code Chart........................................................................ 95
Schematics..................................................................................107
	Electrical Schematic Abbreviation and Wire Color Legends................................108
	ECM Pin-out Legend......................................................................109
	Limit Switch and Sensor Legend..........................................................110
	Electrical Symbols Legend...............................................................111
	Electrical Schematic - ANSI.............................................................112
		Schematic - GR-26J..................................................................112
	Electrical Schematic - CE...............................................................114
		Schematic - GR-20J & GR-26J.........................................................114
	Hydraulic Symbols Legend................................................................116
	Hydraulic Schematic.....................................................................117
Back Cover..................................................................................119

S.S 04/24