Owner manual

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