Labrie Optimizer, Maintenance Manual

Page: 32 / 81

OPTIMIZER TM
32
HYDRAULIC FILTER REPLACEMENT
PROCEDURE
• Shut off the hydraulic system and
truck engine;
• Shut off the ball valve on the suction
line (Figure #1.1).
• Remove the filter head’s four
retaining bolts (Shroeder type) or
front cap (Pall type) (Figure #1.16).
• Replace the filter element with a
new one, compatible with the
manufacturer's recommendations.
Refer to hydraulic parts section.
• When replacing an in-tank filter be
ready to recuperate 2 gallons of oil
approximately. An in-tank return
filter system has a self-closing valve
preventing the whole tank to empty
itself through the return filter core.
1.4.10 HYDRAULIC STRAINER CLEANING
PROCEDURE
HYDRAULIC STRAINER
REPLACEMENT PROCEDURE
• Shut the engine off and let the
hydraulic oil to cool down.
• Clean around the filler cap and
remove it.
• Use a clean container of at least 60
gallons to drop the old oil into.
• Once the tank is empty, replug the
drain valve. Shut the drain valve off
and remove suction hose from ball
valve.
• Remove the strainer from tank port.
• Clean the strainer and perform a
visual inspection for any damage.
Replace at once if necessary. A
DAMMAGED STRAINER COULD
RESULT OF EXTENSIVE DAMAGE
TO THE PUMP.
• Refer to hydraulic fluid replacement
procedure for filling the tank back
up.
1.4.9 HYDRAULIC FILTER REPLACEMENT
PROCEDURE
To protect the components , the return filter
must be changed after the first 50 hours of use.
Then the return filter must be changed once a
year. For part numbers refer to the hydraulic
parts table. For replacement proceed as
follow: