Maintenance
Topics:
•
Routine Maintenance Overview Checklist.............................................................................................72
Models 505.60/.90/.120/.150/.180 HPU Maintenance Schedule...........................................................74
Spare parts............................................................................................................................................76
Lockout/tagout.......................................................................................................................................76
Operating the HPU.................................................................................................................................77
About Checking the Hydraulic Fluid.......................................................................................................77
About Checking the Low Level/Temperature Detector..........................................................................78
Replacing the Return-line Filter.............................................................................................................80
About Clamp-Style Housing Filter Replacement...................................................................................80
About Capscrew-Style Housing Filter Replacement..............................................................................83
Replacing the Optional High-Pressure Filter.........................................................................................84
Sampling the Hydraulic Fluid.................................................................................................................86
About Replacing the Hydraulic Fluid......................................................................................................90
Inspect the Heat Exchanger..................................................................................................................91
Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information 71
