User Manual

Model 505.60 - 505.180 SilentFlo™ HPU Maintenance
87
Maintenance
Contents Models 505.60/.90/.120/.150/.180 HPU Maintenance Schedule 90
Checking the Hydraulic Fluid 92
Checking the Low Level/Temperature Detector 93
Replacing the Return-line Filter 94
Clamp-Style Housing Filter Replacement 94
Capscrew-Style Housing Filter Replacement 96
Replacing the Optional High-Pressure Filter 97
Sampling the Hydraulic Fluid 99
Replacing the Hydraulic Fluid 101
Inspecting the Heat Exchanger 103