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IOM 570 06/2011

  

                                          REV A. 

 

Page 5 of 8 

E

aton Hydraulics LLC, Filtration Division, 44 Apple Street, Tinton Falls, NJ 07724, www.eaton.com/filtration, Phone 732-212-4700

 

Installation, Operation & Maintenance Manual 

Model 570 Duplex Basket Strainer

 

 

HOW

 

TO

 

CLEAN 

1.

 

Invert basket and wash out debris by directing a 
stream of air or water against the basket exterior. 
Use solvent if strained fluid is fuel or a chemical. 
Follow manufacturer’s instructions when using a 
solvent to clean the baskets. 
 

2.

 

Inspect basket at each cleaning for holes or tears. 
Replace as required. Always keep spare baskets in 
stock. 

MAINTENANCE:

 

GENERAL 

1.

 

Inspect baskets at each cleaning for holes or damage. 
 

2.

 

Replace as required. Inspect body cover seats and 
body cover gaskets. Clean seats and replace gaskets 
as required. 
 

MAINTENANCE:

 

LUBRICATION 

1.

 

Lubricate operating mechanism every six months. 
Apply heavy grease through the lube fittings located 
on the operating spindles (see drawing on page 6). 
 

2.

 

Lubricate chain drive and cover lift mechanism (if so 
equipped). Apply light grade grease to moving parts 
every three months or as indicated by operating 
conditions. 
 

MAINTENANCE:

 

FLUID

 

LEAKS 

1.

 

Shut down strainer completely before inspecting 
valve discs and valve seats or replacing spindle 
mounting O-rings and gaskets, or O-ring nut seals. 
 

2.

 

Remove header covers only after inlet and outlet 
pipeline valves are closed, both cover vents are open 
and there is no flow of air or fluid through the vents. 

 

Location of Leak

 

Correction

 

Spindle mounting-header 
joint

 

Replace spindle mounting 0-
ring and/or spindle mounting 
gasket  

Spindle mounting sight 
holes 

Replace O-ring on O-ring nut 
 

Excessive leakage past  
the valve discs 

 

Replace valve seat. Repair or 
replace valve disc 

 

HOW

 

TO

 

DISASSEMBLE

 

SPINDLE

 

MOUNTINGS 

1.

 

Remove spindle-mounting cap screws. 
 

2.

 

Pull spindle mounting (guide end), including torque bar, out 
of header. 
 

3.

 

Rotate hand wheel counterclockwise to disengage operating 
screw from operating spindle. Pull spindle mounting 
(operating end), hand wheel and operating screw out of the 
header as a unit. 
 

4.

 

Replace gaskets and O-rings as required. 
 

5.

 

Reassemble spindle mounting reversing the process used 
for disassembly. 
 

6.

 

Refer to the assembly drawing to be sure components are in 
proper order. 

 

HOW

 

TO

 

DISASSEMBLE

 

VALVE

 

DISC 

1.

 

Remove cap screws and lift cover from header.  
 

2.

 

Remove disc-retaining bar. 
 

3.

 

Rotate disc-mounting block out of recess on valve disc. 
 

4.

 

Attach hoist to valve disc eyebolt. Remove disc through 
header opening. 

 

5.

 

Clean and inspect valve seat and valve disc for scoring or 
wear. Wipe with a solvent dampened cloth. Scrape sealing 
surfaces if required for examination. Worn or scored valve 
seats must be replaced. 

 

6.

 

Reassemble valve disc to the operating mechanism by 
reversing the process used for disassembly. 

 

7.

 

Refer to assembly drawing to be sure components are in 
proper order. 

 

 
 
 
 
 
 
 

Summary of Contents for 570

Page 1: ...N A duplex strainer is a device installed in a pipeline to remove dirt and other unwanted debris from fluids Straining is accomplished by directing the fluid through sized openings in a basket Duplex strainers are installed where fluid flow cannot be interrupted while the basket is removed for cleaning Duplex strainers are designed to withstand the rated pressure of the piping system For additiona...

Page 2: ...ft eye is used to lift ONLY the cover 1 Position the strainer in the line so that the fluid enters the connection marked inlet and be sure sufficient headroom is provided for easy removal of cover and baskets 2 Support the strainer in the line as follows Using the bosses on the bottom of the strainer place the unit on concrete or steel pads DO NOT support the strainer or the piping coming to and f...

Page 3: ... pressure equalizer valve 4 Slowly introduce fluid to be strained CAUTION Start system GRADUALLY This eliminates sudden shock to strainer and other equipment in the line CAUTION Recheck Operation procedure to ensure that both valve discs are sealing the same chamber There should be NO SIGNIFICANT AMOUNT OF FLOW from vent in chamber that is isolated NOTE The valve discs or gates are not designed or...

Page 4: ...d drain fluid through bottom drain to a lever below the basket seat 4 Remove dirty baskets and clean or exchange them BASKET REPLACEMENT 1 Place new or clean basket squarely on basket seat 2 Be sure basket handle is sufficiently high to be compressed by body cover 3 Inspect body cover gasket and seal surface clean seat or replace gasket as necessary Always keep spare body cover gaskets in stock 4 ...

Page 5: ... after inlet and outlet pipeline valves are closed both cover vents are open and there is no flow of air or fluid through the vents Location of Leak Correction Spindle mounting header joint Replace spindle mounting 0 ring and or spindle mounting gasket Spindle mounting sight holes Replace O ring on O ring nut Excessive leakage past the valve discs Replace valve seat Repair or replace valve disc HO...

Page 6: ... REV A Page 6 of 8 Eaton Hydraulics LLC Filtration Division 44 Apple Street Tinton Falls NJ 07724 www eaton com filtration Phone 732 212 4700 Installation Operation Maintenance Manual Model 570 Duplex Basket Strainer ...

Page 7: ...ion 2 Short Basket 2 Long Basket 2 Header Cover Gasket 3 Body Cover Gasket 8 O ring 4 O ring Spindle Mounting 2 Snap Ring 2 Basket Flange Gasket Mesh lined baskets only When ordering spare parts be sure to specify all nameplate data as well as description and quantity of parts Always use genuine Eaton replacement parts for guaranteed fit and performance Visit our web site www eaton com filtration ...

Page 8: ... 49 2486 809 0 Fax 49 2486 809 800 Eaton China No 3 Lane 280 Linhong Road Changning District 200335 Shanghai P R China Voice 86 21 5200 0099 Fax 86 21 5200 0400 WARRANTY All products manufactured by Seller are warranted against defects in material and workmanship under normal use and service for which such products were designed for a period of eighteen 18 months after shipment from our factory or...

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