Manual

Service 3-1
Section 3
Service
Introduction
This section contains service information for the Model 506.82/.92
Hydraulic Power Unit (HPU). It provides:
• maintenance procedures
• service adjustments
• electrical information
3.1 Maintenance Procedures
Maintenance
overview
The following sections provide the routine maintenance procedures for
the HPU. Figure 3-1 shows the location of the components accessed for
the maintenance procedures. Table 3-1 lists the maintenance schedule.
filter drain
low pressure filter
high pressure filters
pressure accumulator
supercharge pump/motor
manifold drain
VW-G043E
heat exchanger
Figure 3-1. Location of Maintenance Components (HPU Side View)