Publicidad
UR610/690
R E T U R N L I N E F I L T E R S
7
Filter element servicing
During servicing, the external surfaces of the filter assembly must
be cleaned to remove any dust deposits including the threads of the
tube and cover.
Servicing must be conducted using suitable tools that do not present
a hazard.
Servicing must not be carried out when a potentially explosive
atmosphere is present.
CAUTION:
Filter elements should be replaced upon indication or
at specified intervals, six months maximum. Failure
to change the element will cause the filter to go on
bypass.
Refer to Service Parts List (Section 10) for item numbers for
applicable replacement element series. Remove and replace element
as follows:
7.1
Turn off and depressurize the system. Open vent plug (9) at
top of filter on the cover assembly (4) one and one-half turns.
WARNING:
FAILURE TO DEPRESSURISE THE FILTER
BEFORE SERVICING ELEMENT COULD RESULT
IN EXPLOSIVE LOSS OF FLUID, DAMAGE TO
EQUIPMENT AND POSSIBLE PERSONAL INJURY.
7.2
Open one or both drain plugs (10) on bottom of filter head and
drain housing. Reinstall and tighten drain plug(s).
7.3
A tool (socket or box wrench not a pipe wrench) should
be used to remove the cover assembly by turning counter
clockwise.
Note: The UR610/690 series assembly is equipped with an
extraction mechanism within the cover assembly. Turn the cover
counterclockwise until cover threads disengage then lift the
cover to pull the element free from its cage. Cover can now be
removed, making the element accessible.
7.4
Remove filter element (7) and carefully inspect the surface
for visible contamination. Normally no dirt should show, but
visible dirt or particles can be an early warning of system
component breakdown and can indicate potential failure.
Discard both the filter element and its O-ring (5a). The filter
element is NOT CLEANABLE. Any attempt to clean the filter
element can cause degradation of the filter medium and allow
contaminated fluid to pass through the filter element.
WARNING:
DO NOT ATTEMPT TO CLEAN OR RE-USE THE
ELEMENT.
ONLY USE GENUINE PALL REPLACEMENT FILTER
ELEMENTS. USE OF SUBSTITUTE ELEMENTS MAY
INVALIDATE PRODUCT WARRANTY.
7.5
Inspect filter cover assembly (4) including threads for possible
damage or malfunction. Replace any damaged parts. Remove
any accumulated dirt. DO NOT run the system without a filter
element installed. Check that the O-ring on the cover (5b)
assembly is not damaged. Use replacement filter element
part number called for on assembly nameplate.
UR610/690 Series
s e r v i c e i n s t r u c t i o n s
WARNING:
FAILURE TO REPLACE DAMAGED PARTS IN FILTER
CAN CAUSE COMPONENTS IN THE SYSTEM TO FAIL
OR DEGRADE IN THEIR PERFORMANCE.
7.6
Lubricate the element O-rings with clean system fluid and
install element into the cover assembly then install into its
cage (shell) assembly (3). Reset the visual indicator, if fitted,
before refitting cover. Lightly lubricate cover O-ring with clean
system fluid, apply anti sieze (Loctite #39901 or equal) to tube
threads to prevent galling and refit cover assembly onto the
tube. HAND TIGHTEN cover until cover assembly and tube
are bottomed together. O-ring sealing is not improved by over
tightening. USE A TOOL (SOCKET OR BOX WRENCH NOT
A PIPE WRENCH) TO TIGHTEN COVER USING THE HEX TO
PROPER TORQUE OF 50-60 LBFT (68-81 Nm).
7.7
Open vent plug (9) on housing and pressurize system.
This allows clean pressurized fluid to fill the housing and
bleed off air.
7.8
Close vent plug on appearance of clear fluid. Check for leaks.
7.9
After element change ENSURE DIFFERENTIAL PRESSURE
DEVICE IS RESET. Brass visual and electrical and stainless
steel electrical switches reset automatically. When system
reaches normal operating temperature, check that the
electrical switch and/or visual warning button/flag has not
actuated. If visual indicator actuates due to a cold start
condition, reset again as per section 6
8
Warranty, Limitation of Liability and
Remedies
THERE IS NO WARRANTY OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE WITH RESPECT TO ANY OF THE
PRODUCTS, NOR IS THERE ANY OTHER WARRANTY EXPRESS OR
IMPLIED, EXCEPT AS PROVIDED FOR HEREIN.
For a period of twelve months from the date of delivery from Seller
or three thousand hours of use, whichever occurs first (the "Warranty
Period", Seller warrants that products manufactured by Seller
when properly installed and maintained, and operated at ratings,
specifications and design conditions, will be free from defects in
material and workmanship. By way of explanation and not limitation,
the Seller does not warrant the service life of the filter element as this
is beyond the Seller's control and depends upon the condition of the
system into which the filter is installed.
Seller's liability under any warranty is limited solely (in Seller's
discretion) to replacing (FOB original ship point), repairing or issuing
credit for products that become defective during the Warranty Period.
Purchaser shall notify Seller promptly in writing of any claims and
provide Seller with an opportunity to inspect and test the product
claimed to be defective. Buyer shall provide Seller with a copy of
the original invoice for the product, and prepay all freight charges to
return any products to Seller's factory, or other facility designated by
Seller. All claims must be accompanied by full particulars, including
system operating conditions, if applicable.
Seller shall not be liable for any product altered outside of the Seller's
factory except by Seller or Seller's authorized distributor, and then,
as to the latter, only for products which have been assembled by the
distributor in accordance with Seller's written instructions. Nor shall
Seller be liable for a product subjected to misuse, abuse, improper
installation, application, operation, maintenance or repair, alteration,
accident or negligence in use, storage transportation or handling.
In no event will Seller be liable for any damages, incidental,
consequential or otherwise, whether arising out of or in connection
with the manufacture, packaging, delivery, storage, use, misuse, or
non use of any of its products or any other cause whatsoever.
4
Publicidad
