User Manuals: JLG 3969electric Electric Scissor Lift

Manuals and User Guides for JLG 3969electric Electric Scissor Lift. We have 1 JLG 3969electric Electric Scissor Lift manual available for free PDF download: Service And Maintenance Manual

JLG 3969electric Service And Maintenance Manual

JLG 3969electric Service And Maintenance Manual (46 pages)

Brand: JLG | Category: Lifting Systems | Size: 1 MB

Table of Contents

Hydraulic System Safety
3
Maintenance
3
Table of Contents
5
Section 1. Specifications
7
Capacities
7
Component Data
7
Performance Data
7
Torque Specifications
8
Lubrication
8
Pressure Settings
8
Lubrication Chart
9
Cylinder Specifications
10
Major Component Weights
10
Critical Stability Weights
10
Relays/Circuit Breakers
10
Serial Number Locations
10
Serial Number Location
11
Section 2. Procedures
13
General
13
Servicing and Maintenance Guidelines
13
Lubrication Information
14
Cylinders - Theory of Operation
15
Valves - Theory of Operation
15
Component Functional Description
16
Wear Pads
16
Motor Controller - Modes of Operation
16
Features
16
Cylinder Checking Procedures
17
Cylinder Removal and Installation
18
Cylinder Repair
18
Barrel Support
18
Capscrew Removal
18
Rod Support
19
Tapered Bushing Removal
19
Oil-Lite Bearing Installation
20
Rod Seal Installation
20
Wiper Seal Installation
20
Installation of Head Seal Kit
20
Piston Seal Kit Installation
21
Tapered Bushing Installation
21
Tilt Switch Indicator Leveling Procedure
23
Limit Switches
23
Pressure Setting Procedures
23
Drive Torque Hub
24
Pressure Setting Procedures
24
Drive Torque Hub Assembly
25
Drive Brake Assembly
26
Free Wheeling Procedure
27
Drive Brake Assembly
27
Preventive Maintenance and Inspection Schedule
28
Section 3. Troubleshooting
31
General
31
Troubleshooting Information
31
Hydraulic Circuit Checks
31
Hydraulic Schematic
39
Platform Wiring Diagram (Sheet 1 of 2)
40
Platform Wiring Diagram (Sheet 2 of 2)
41
Ground Control Wiring Diagram (Sheet 1 of 2)
42
Ground Control Wiring Diagram (Sheet 2 of 2)
43

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