Removal
1. With the key switch “Off” allow at least 90 seconds
for the accumulators to bleed down.
2. Remove bleed plug (11, Figure 9-1). Remove bot-
tom plug (13) and drain oil from the housing into
a suitable container.
Take care to avoid contact with hot oil if truck has
been operating. Avoid spillage and contamination!
3. Loosen setscrew (8). Remove bowl (10).
4. Remove filter element (9).
5. Remove and discard backup ring (7) and O-ring
(6).
6. Clean bowl in solvent and dry thoroughly.
Installation
1. Install new element (9). Install new O-ring (6) and
backup ring (7).
2. Install bowl on filter head and tighten. Lock in place
with setscrew (8).
3. Install bottom plug (13), and bleed plug (11).
INDICATOR SWITCH
The indicator switch (5, Figure 9-1) is factory preset to
actuate at 35 psid (240 kPa). The switch and warning
light should be routinely tested as a part of the regular
vehicle maintenance program. Refer to “Indicator
Switch Test Procedure” in this Section.
L9-2 Hydraulic System Filters L09008