Maintenance Instructions
Turn switch to OFF position1.
and unplug cord from electri-
cal outlet.
Remove tube wands from oil to2.
prevent siphoning.
Loosen hex head screws on3.
lter cover. Turn cover to clear
screws, remove cover.
Pull lter element from the4.
lter head.
a) Replace the synthetic or
Microglass III elements.
Verify replacement.
b) Wire mesh elements
can be cleaned. Ultrasonic
cleaners provide best
results.
Install element in lter5.
housing. Make sure element
o-rings seat properly into the
head, making sure that the
notch on the element lines up
with the notch in the head.
Inspect the cover o-ring and6.
replace if necessary.
Replace cover and tighten7.
hex head screws until they are
snug. Do not over-torque these
screws. Do not interchange the
inlet lter cover with the outlet
lter cover. (e inlet lter has
a “RFP” prex, the outlet lter
has a “ILP” prex).
Assembly
Install hoses to inlet and outlet1.
lters by threading the hose
end with the straight thread
o-ring seal tting into the lter
ange.
Connect the PVC tube wands2.
to the swivel tting on the hose
end. When servicing the PVC
tube wand, do not over-torque
the metal ttings going into the
PVC coupling. Over-torque
will result in cracking the
coupling. Generally, 1/4 turn
beyond hand-tight is sucient.
Operating Instructions
Insert the inlet wand assembly1.
into the supply uid receptacle
(drum/reservoir). e RFP
lter is the inlet lter.
Insert the outlet wand assem-2.
bly into the clean uid recepta-
cle (drum/reservoir). e ILP
fIlter is the outlet lter.
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Verify that the ON/OFF switch3.
is OFF and plug the cord into
the proper grounded power
source (3 wire).
Turn switch to ON position and4.
check outlet wand for oil ow.
Allow 30 to 60 seconds for
lters to ll with oil. If repeated
attempts to obtain oil ow
fail, check pump inlet ttings
for tightness, remove inlet
lter access cover and verify
the cover sealing o-ring is in
place. For very viscous uids it
may be necessary to pour 1 or
2 quarts of uid into the RFP
inlet lter housing to prime
pump initially.
e condition of the lter5.
element should be monitored
by observing the cleanliness
indicator on the outlet lter.
When the indicator is in the
CHANGE position, both inlet
and outlet lter elements
MUST be replaced to prevent
uid from going through the
bypass in the lters.
e inlet lter element is6.
provided with a 0.2 bar bypass
spring, and prevents the pump
from cavitating if the element
is not changed. e outlet lter
element is provided with a 2.4
bar bypass spring to prevent
excessive pressure which may
be harmful to personnel or to
the lter cart.
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e cleanliness indicator7.
works on dierential pressure
and will indicate the condi-
tion of the element (CLEAN,
CHANGE, or BYPASS).
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Trouble Shooting
UFINe.d AP@D. 7Ie@B%Ib
Does not start ON/OFF Switch Turn switch ON, replace switch if defective
No electrical power Plug in cart
Defective motor Contact service department
No oil flow or erratic Filter housing not filled with oil Allow pump to run 30 to 60 seconds
pump noise
Suction leak Check tightness of inlet fittings
Check o-ring in inlet filter cover for nicks
Kink or restriction in inlet hose
Add 1 or 2 quarts of oil to inlet filter
Defective pump Contact service department
Indicator reads Element dirty Replace or clean elements (both filters)
CHANGE or BYPASS
Oil extremely cold or viscous Change element to coarser micron rating
Indicator does not No outlet element Install element
seem to move
40 micron element installed in Check cart model number to verify correct
outlet filter element. The inlet filter has a rating RFP
prefix; the outlet filter has an ILP prefix
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