2
1.0 SAFETY .............................................................3
1.1 Important Safety Instructions
................3
1.2 General Hydraulic Safety Precautions
..3
1.3 Electrical Safety
......................................4
1.4 Additional Precautions
...........................5
1.5 IP Ratings
(Ingress Protection,
IEC standard 60529)
...............................5
1.6 Safety Hazard Alert Symbols
.................5
2.0 PRODUCT DATA
...............................................6
2.1 Speciļ¬cations
.........................................6
2.2 External Dimensions
..............................6
2.3 Pump Performance Curves
...................7
3.0 MAJOR FEATURES AND COMPONENTS
......8
4.0 PRODUCT DESCRIPTION
...............................9
4.1 Introduction
.............................................9
4.2 Conformance to National &
International Standards
.........................9
4.3 Electromagnetic Compatibility (EMC)
..9
5.0 PREPARATION FOR USE
................................9
5.1 Important Receiving Instructions
..........9
5.2 Hydraulic Connections
...........................9
5.3 Hydraulic Reservoir
..............................10
5.4 Hydraulic Reservoir Air
Breather/Filter
.......................................10
5.5 Power Requirements
............................10
6.0 FEATURES AND CONTROLS
........................10
6.1 Carrying Handle
....................................10
6.2 Ventilation System
................................10
6.3 Pendant
..................................................10
6.4 Variable Speed Control
........................11
6.5 Constant Speed and Constant Power
Modes
....................................................11
6.6 3-Way, 2-Position Control Valve
(EP3204J Models)
.................................11
6.7 4-Way, 3-Position Control Valve
(EP3404J Models)
.................................12
7.0 OPERATION
....................................................12
7.1 Before Start-up
.....................................12
7.2 Pump Operating Positions
...................12
7.3 Air Removal
...........................................13
7.4 Operating Precautions
.........................13
7.5 Operation - EP3204J Models
...............13
7.6 Operation - EP3404J Models
...............13
7.7 Supporting the Load
.............................14
8.0 RELIEVING HYDRAULIC PRESSURE
..........14
9.0 PRESSURE RELIEF VALVE ADJUSTMENT
..14
10.0 HYDRAULIC SYSTEM MAINTENANCE
......15
10.1 Hydraulic Oil Information
...................15
10.2 Checking the Oil Level
.......................15
10.3 Adding Oil
............................................16
10.4 Oil Change
...........................................16
10.5 Pump Priming/Air Purging
.................17
11.0 CLEANING AND INSPECTION
....................18
12.0 STORAGE
.....................................................18
13.0 TROUBLESHOOTING
..................................18
14.0 PUMP FAULT CODES (user-level)
..............21
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