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MAINTENANCE TIMETABLE 

 
 

The following maintenance timetable is an estimate of the time intervals at which maintenance may 
be  required  only.    This  schedule  must  be  adjusted  to  the  regularity  of  usage,  the  condition  of  the 
intake  water,  the  length  of  time  the  system  is  exposed  to  seawater  and  the  total  running  time 
following each system cleaning. 
 
 

COMPONENT 

MAINTENANCE 
REQUIRED 

TIME INTERVAL 
INTERMITTENT DUTY 

Seawater intake 
strainer 

Inspect and clean intake. 

1000 hrs, or when clogged. 

Pre filters 

Replace or clean elements and  
clean housings. 

When system intake pressure 
drops below 5psi. 

Charcoal flush filter 

Replace element. 

Every 6 months. 

High pressure pump 

Change crankcase oil. 
 
 
 
Change packings, seals  
and 

O-

rings. 

 

Initial change after 50 hrs. 
Every 200 operating hours or 
6 months. 
 
Every 2000 hrs or when 
leaking. 

R.O. membrane 

When production decreases  
by 20%.  
 
Replace 

Clean with acid and/or 
alkaline cleaning compound. 
 
When cleaning does not 
increase production. 

Flow meter 

Clean inside the clear tube. 
 
Disconnect product tubing and  
infuse muriatic acid.  Rinse 
thoroughly! 
 
 

Whenever dirty. 

 

 

Summary of Contents for Watermakers 500-PRO-1

Page 1: ...FEATURES 5 INSTALLATION INSTRUCTIONS 6 7 OPERATION INSTRUCTIONS 8 MEMBRANE CLEANING PROCEDURE 9 MAINTENANCE TIMETABLE 10 PRESSURE VESSEL ENDPLUG CHANGING PROCEDURE 11 ELECTRICAL DIAGRAM 12 TROUBLESHO...

Page 2: ...new ECHO Tec desalination system By understanding the function importance and normal operation of each part in the system the operator can readily diagnose problems when they first develop Such proble...

Page 3: ...jection TFC Polyamide thin film composite spiral wound single pass reverse osmosis element Salt Rejection min 99 5 Salinity Range System 500 900 up to 50 000 ppm TDS NaCl 1200 up to 40 000 ppm TDS NaC...

Page 4: ...els and 5 and 20 micron cartridge filtration system 2 1 Fresh water flush kit with hose and 316SS hose clamps 3 1 Product water tube 10ft 3m 1 Reject hose 10ft 3m with 2pcs 316SS hose clamps 1 Intake...

Page 5: ...e feed pump with the intake of the desalination system located at the pre filter assembly Secure all hoses with the supplied hose clamps PRODUCT WATER TUBING Connect the product water outlet marked SA...

Page 6: ...changes set the selector switch on the electrical control panel to the FEED position feed pump only and purge the system until all entrapped air has escaped 6 In the AUTO position press the START but...

Page 7: ...he seawater shut off valve and the seacock MEMBRANE STORAGE PROCEDURE If you intend to store your watermaker for more than ten days growth of microorganism will degrade the RO membranes performance Th...

Page 8: ...al scale remover See warning label on side of container and observe all safety precautions on label CAUTION Do not mix different cleaning chemicals together Do not use different cleaning chemicals tog...

Page 9: ...and clean intake 1000 hrs or when clogged Pre filters Replace or clean elements and clean housings When system intake pressure drops below 5psi Charcoal flush filter Replace element Every 6 months Hig...

Page 10: ...s inner wall and remove it in one fast pull 6 Inspect the end plug for hairline cracks or damages on the O rings and O ring grooves 7 Pull the membrane on the product pipe out of the pressure vessel o...

Page 11: ...TRANS FORMER START SWITCH S1 PUSH BUTTON NO SELECTOR SWITCH S2 3 POSITION MAINT 4 CONTACTS NO T1 HIGH PRESS SWITCH S4 NC LOW PRESS SWITCH S5 NO TANK FULL SWITCH S6 NC EXTERNAL MAIN IN ELECTRICAL DIAG...

Page 12: ...ns Check strainer and filter s Inability to Discharge valve chamber Allow more time to prime build up pressure has air trapped within it and ensure that there are no air suction leaks Open valve chamb...

Page 13: ...16B and copper gasket 16D and clean the old Locktite from the plunger bolt 16C and plunger base 16A Replace the plunger with the new one and Locktite the plunger bolt and torque to 120 inch pounds NOT...

Page 14: ...s 12A and 12B if they were removed from the crankshaft Be certain the bearings are pressed all the way onto the shaft and completely into the crankcase Replace radial shaft seal 11 bearing cover with...

Page 15: ......

Page 16: ...ned to Echo Marine s Service Center The purchaser must pay any transportation or labor expenses incurred in removing and returning the product to the service center The limited warranty does not exten...

Page 17: ...ranteed against iron fouling rust chemical attack extreme temperatures over 113 F under 33 F drying out or extreme pressures over 1000 psig CAUTION Use of parts not supplied directly by Echo Marine ge...

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