SECTION 5 600H, 700HH, 750, 750H, 750HH, 825, 900H, 1050 USER MANUAL
83
HYDRAULIC FILTER ELEMENT MAINTENANCE
The filter is located near the hydraulic fluid reservoir
and is a cartridge style filter.
Replace as follows, referring to Figure 5-6.
1. Remove filter canister with a wrench.
2. Remove and dispose of filter element.
3. Clean gasket sealing surface.
4. Apply a light film of fluid to the element seal.
5. Screw the canister to the filter head. Tighten
to 20 lb-ft (27.1 Nm).
6. Run compressor and check for leaks.
* Replacement filter element part number 02250168-
084
HYDRAULIC FLUID LEVEL SWITCH TEST
With hydraulic reservoir empty, power up controller
and confirm that a low hydraulic fluid level warning is
displayed. If no warning is present, repair switch and/
or wiring.
SUCTION LINE STRAINER MAINTENANCE
Service strainer as follows, referring to Figure 5-7:
1. Disconnect hose and remove fitting.
2. Remove strainer from tank.
3. Clean and dry strainer.
4. Replace strainer and fitting being careful not
to damage O-rings. Replace O-rings if they
are damaged or distorted.
5. Reconnect hose, start compressor and
check for leaks.
.
SEPARATOR ELEMENT REPLACEMENT
Refer to Figure 5-8. When the need for a separator
element replacement is indicated by the controller,
use the following procedure for separator
replacement.
1. Remove the air receiver tank lid by removing
the hex head capscrews and washers.
2. Remove the elements from the separator
chamber by gently rocking back and forth
and pulling upward and discarding.
3. Before installing the new separator ele-
ments, make sure to lubricate the sealing O-
ring on each element with a lubricating com-
pound (i.e. Silglyde). Then install the new
separator elements by firmly pressing down-
ward until the element is fully seated on the
baffle plate inside the tank.
Figure 5-6: Fluid Filter Assembly
1. Canister
2. Element *
3. Filter Head
CAUTION
To assist with the removal of the tank lid,
Sullair has provided a jack bolt at the bot-
tom of the lid pivot shaft. Simply jack the lid
up until it will clear the dowel pin located on
the top tank flange underneath the lid.
Rotate out of the way.
Figure 5-7: Suction Line Strainer
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