Hypertherm HyPrecision 50S User Manual

6 HyPrecision 50S/60S/75S Operator Manual 808690
Contents
5 Preventive maintenance ............................................................................................................ 69
Benefits of preventive maintenance ...........................................................................................................................................69
Safety ................................................................................................................................................................................................70
Preventive maintenance schedule ..............................................................................................................................................72
Tools ..................................................................................................................................................................................................74
General .............................................................................................................................................................................................75
Examine the equipment for leaks or damage ...................................................................................................................75
Electrical system .............................................................................................................................................................................76
Make sure that the emergency stop button works ..........................................................................................................76
Examine cords and plugs for deterioration or damage ..................................................................................................76
Hydraulic system .............................................................................................................................................................................77
Check the hydraulic fluid indicator .....................................................................................................................................77
Check the hydraulic fluid level .............................................................................................................................................78
Check the hydraulic fluid quality .........................................................................................................................................80
Measure the hydraulic fluid temperature ...........................................................................................................................81
Replace the hydraulic filter ...................................................................................................................................................83
Replace the hydraulic fluid, the hydraulic filter, the filler-breather cap, and the suction strainers .......................84
Low-pressure water system .........................................................................................................................................................88
Check the low-pressure water pressure gauges ............................................................................................................88
Measure the air pressure in the water accumulator tank ...............................................................................................89
Replace the water filters .......................................................................................................................................................91
Test the low-pressure water TDS level .............................................................................................................................94
High-pressure water system: Intensifier ....................................................................................................................................96
Prepare to service the intensifier .........................................................................................................................................97
Disassemble the intensifier ................................................................................................................................................ 100
Repair the check valves and the low-pressure poppets ............................................................................................ 107
Repair the high-pressure cylinders .................................................................................................................................. 109
Assemble the intensifier ..................................................................................................................................................... 111
Intensifier parts ..................................................................................................................................................................... 127
High-pressure water system: Bleed-down valve .................................................................................................................129
Examine the bleed-down valve for leaks or damage ................................................................................................... 129
Repair the bleed-down valve ............................................................................................................................................ 130
Install the bleed-down valve .............................................................................................................................................. 140
Bleed-down valve parts ...................................................................................................................................................... 143
Start the pump after preventive maintenance ....................................................................................................................... 144
Recycling and end of product life ............................................................................................................................................ 146
Preventive maintenance records .............................................................................................................................................. 147

Hypertherm HyPrecision 50S Specifications

General

Brand	Hypertherm
Model	HyPrecision 50S
Category	Water Pump
Language	English