JLG 12SP User Manual

Service and Maintenance Manual
Model
12SP
15SP
3120775
June 29, 2018 - Rev K
ANSI

JLG 12SP Specifications

General

Maximum Working Height	18 ft 2 in
Weight	2, 250 lb
Drive Motor	24V DC
Platform Capacity	500 lbs
Platform Length	64 in
Platform Width	30 in
Battery	24V DC
Tire Type	Non-marking

Summary

Maintenance Safety Precautions

General

General safety precautions for maintenance personnel.

Hydraulic System Safety

Safety precautions for hydraulic systems during maintenance.

Maintenance

Section 1 - Specifications

1.3 Performance Data

1.5 Lubrication

Section 2 - Service Procedures

2.1 Machine Preparation, Inspection, and Maintenance

Procedures for preparing, inspecting, and maintaining the machine.

2.2 Preventive Maintenance and Inspection Schedule

Schedule for routine maintenance and inspections.

2.3 Servicing and Maintenance Guidelines

General guidelines for safe and effective servicing.

2.4 Lubrication Information

2.6 Hydraulic Lift Pump - Servicing

2.7 Hydraulic Lift Cylinder - Removal, Inspection and Rebuild

2.8 Mast Assembly and Disassembly Procedures

2.9 Mast Assembly

2.10 Mast to Base Frame Installation

2.11 Mast Chains/Cables and Sequencing Cables Adjustment

Section 3 - Troubleshooting

3.2 Troubleshooting Information

3.3 Hydraulic Circuit Checks

Methods for checking hydraulic system circuits.

3.4 Electrical System - Multimeter Basics

Using a multimeter for electrical system troubleshooting.

3.5 Electrical Switch Testing

Procedures for testing basic, limit, and automatic switches.