MTS Model 506-62-72 Hydraulic Power Supply - Manual (Page 3)

Table of Contents i
Table of Contents
Section 1 Introduction
1.1 Functional Description ............................................................................. 1-1
1.2 Specifications.......................................................................................... 1-2
Section 2 Operation
2.1 Controls and Indicators............................................................................. 2-1
2.2 Operation Procedures ............................................................................... 2-3
2.3 Supercharge Pump Operation ................................................................... 2-4
Section 3 Service
3.1 Maintenance Procedures............................................................................ 3-1
3.1.1 Filters ............................................................................................... 3-2
3.1.1.1 High-Pressure Filter Replacement................................................ 3-2
3.1.1.2 Low-Pressure Filter Replacement.................................................. 3-4
3.1.2 Hydraulic Fluid................................................................................. 3-5
3.1.3 Accumulators ..................................................................................... 3-7
3.1.3.1 Precharge Pressure-Checking Intervals......................................... 3-7
3.1.3.2 Precharging the Accumulators ...................................................... 3-7
3.1.3.3 Changing the Accumulator Seals .................................................. 3-7
3.2 Service Adjustments ................................................................................. 3-8
3.2.1 Output Pressure Adjustment ................................................................ 3-9
3.2.2 Dual-Temperature Switch Adjustments............................................. 3-10
3.2.3 Low-Level Switch Adjustment .......................................................... 3-11
3.2.4 Main Pump Low-Inlet Pressure Switch Adjustment............................. 3-12
3.3 Starter Assembly ................................................................................... 3-13
3.3.1 Abnormal HPS Shutdown ................................................................. 3-14
3.3.2 Fuse Replacement............................................................................. 3-14
3.3.3 PLC Service ..................................................................................... 3-15
Section 4 Installation
4.1 Hydraulic Connections ............................................................................. 4-2
4.2 Electrical Connections .............................................................................. 4-3
4.2.1 Transformer Wiring............................................................................ 4-4
4.2.2 Input Power........................................................................................ 4-5
4.3 Cooling Water Connections....................................................................... 4-6