freightliner WALK-IN VAN CHASSIS Operator's Manual page 142

Hydraulic Hybrid
04/14/2011
Fig. 16.18, Removing the Service Panel Screws
04/14/2011
Fig. 16.19, Removing the Service Panel
5.
Look at the LPR sight glass and pressure gauge,
shown in Fig. 16.4, and verify that the high-
pressure fluid has discharged.
The level of high-pressure fluid should be even
with the HIGH indicator marks on the sight glass.
Press the switch below the gauge to read the
LPR pressure. It should be between 35 to 70 psi
(241 to 483 kPa).
16.19
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Fig. 16.20, Manual Bleed-Down Valve Location
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Fig. 16.21, Opening the Manual Bleed-Down Valve
Low Pressure Safety Devices
LPR Rupture Disc
The LPR rupture disc, shown in
when LPR internal pressure exceeds 125 psi (862
kPa) to prevent a dangerous buildup of high-pressure
fluid.
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Fig. 16.22, opens