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Thank you for purchasing the Katadyn Survivor 35 desalinator. It was designed and built to
rigorous specifications by Katadyn Products Inc., to provide fresh water in emergency situ
ations. Please before operating the Survivor, take the short time needed to read this Manual.
This small investment of time will help assure many years of trouble free operation. Be sure
to fill in the enclosed warranty card and return it to us as soon as possible. This is required
to fulfill the terms of your warranty.
· Avoid sucking in oil, gasoline, or other petroleum based products they will quickly destroy
· Avoid drawing water from a confined source. As the salt concentration increases, the unit will
become harder to pump.
· Do not adjust the relief valve. This valve is preset in the factory. Adjusting this valve can dam
age the pump and void your warranty.
· It is normal to detect a slight taste in the fresh water. However, do not drink water with a strong
· The strainer may eventually clog and need rinsing. If the unit is hard to pump, either the strain
er is clogged or the water is unusually cold or salty.
· During prolonged emergency use, pump the unit for at least 10 minutes each day to keep sea
water from stagnating inside the unit.
· If the unit will not be used again for several days, remove any accessible seawater from it. To
do so, remove the intake strainer and hose from the feed water. Turn the unit upside down, and
pump the handle up and down normally until water stops coming out.
· After the unit has been used, flush the membrane with biocide before storing it again. This will
prevent the growth of bacteria inside the unit. Refer to "Storage" below.
· If the feedwater has an high bacteria content, use biocide daily.
· Store the biocide in a dry, ventilated area.
· IMPORTANT: For your safety, we require that an inspection be completed once a year. Our
regional service centers are trained to perform all necessary quality checks or you can return
the unit to Katadyn for inspection.
IMPORTANT: The Survivor 35 is designed for use in emergency conditions.
After it has been used once under such conditions, consult your dealer to
determine if any service is required.
The Survivor 35 is a simple hand operated watermaker, able to produce over 30 gallons
(~105 liters) of potable water per day from seawater.
A semipermeable membrane inside the unit acts as a molecular filter. When seawater is pressur
ized to 800 psi (~55 bar) by pumping the handle and forced against the membrane, only the water
molecules can pass through: salt molecules are unable to pass, and flow out of the system.
Technology: Reverse Osmosis
Salt rejection: 98.4% on average (96.8% minimum). The desalination degree effect depends
on different influence factors such as pressure, throughput and the quality of
Permeate Flow: 4.5 l/h +/ 15% (1.2 U.S. gal/hr)
Weight: 3.2 kg (7 lbs)
Dimensions: 14 x 56 x 9 cm (5.5" x 22" x 3.5")
Guarantee: 1 year
Material: Pump: Stainless Steel, plastic
Membrane approved by the US FDA (Food and Drug Administration)
1. Uncoil intake/discharge hoses. Drop the hoses and attached strainer into the seawater. Be sure
strainer is fully submerged.
2. Place desalinator across your lap. Place one hand on handle grip and the other on the mem
brane housing as shown. (Figure 1 1)
3. Pump handle up and down as far as it will go in each direction, at a comfortable rate of speed
(about 2 seconds per up/down stroke). After you pump for 1 2 minutes, the pressure indicat
ing rod will extend itself revealing an orange band. Continue pumping so the orange band
remains visible. If water sprays from the indicator, pump slower. If orange band is not visible,
4. Once water drips from the freshwater hose, pump at least 60 strokes (two minutes) while dump
ing the water overboard. This will clear the system of biocide solution and salt that passes
through the membrane when not in use. Then insert the freshwater hose into a storage container,
or directly into your mouth.
IMPORTANT: At initial start up of a new unit, or of an unit that has been inhibited (filled with
biocide storage solution to inhibit biological growth), dump the freshwater output for at least 60
strokes to clear the biocide solution from the system.
5. Continue pumping until you get the desired amount of water.
To get more water if you stop pumping temporarily, repeat the above procedure.
The Survivor 35 is designed to operate under the following seawater conditions:
· Water Temperature: 2 to 45 °C (36 to 113°F)
· Salinity: 35,000 ppm TDS average
(Figure 1 1)
The membrane does not have to be cleaned regularly. However, even in normal operation it can
eventually become dirty or fouled with biological growth and particles which are small enough to
pass through the strainer.
This build up on the surface of the membrane can cause the freshwater flow rate to be low or the
operating pressure to be high. The most likely symptom will be discharge of seawater from the
relief valve on the pump body, because of higher than normal operating pressure.
Under the above circumstances, the membrane should be cleaned as described below. Use
Katadyn's Membrane Cleaning Kit, article number 8013369, which consists of a special mem
brane cleaning housing and cleaning agents.
Two types of cleaner are provided with the kit alkaline and acid. The alkaline cleaner is used to
remove biological fouling, oil, or dirt; the acid cleaner is used to remove mineral scaling. Cleaning
with just the alkaline cleaner will usually restore the membrane's performance. However, if low out
put or higher than normal pressure continues, the acid cleaner should also be used.
The procedure is the same for both cleaners. Use the alkaline cleaner first, following the procedure
below. If the acid cleaner is also required, flush the system and repeat the procedure with it.
Reject brine line is
bypassed Freshwater output
line is bypassed
water for 30 sec,
then insert hose into Membrane
cleaning solution pail Cleaning Solution
as shown (in large pail)
(Figure 1 2)
1. Mix four spoonfuls (40 g) of the cleaning agent with one gallon (approximate 4 liters) of clean
freshwater, in a clean pail. The water should be warm but not hot maximum of 122° F
(50° C). Mix until the cleaner is completely dissolved.
2. Grasp the membrane housing with both hands and turn counterclockwise until it can be
removed. In its place, install the special membrane cleaning housing provided with the kit.
Screw the housing all the way on by hand, but don't overtighten. Place the suction strainer into
the pail of warm water.
3. Pump the handle. Discard the water coming from the discharge hose (on the end of the clean
ing housing) for about 30 seconds, then place the return hose into the cleaning solution con
tainer. Continue pumping the unit while recirculating, for about 15 minutes.
4. Stop pumping, and allow the membrane to soak for at least an hour. For severe fouling, an
extended soak period of 10 to 15 hours may be desirable.
5. After soaking, pump the handle again. Dump the first few pulses of solution that come immedi
ately from the discharge hose. When the stream becomes cleaner, place the hose back into the
pail of cleaning solution and recirculate for another 30 to 60 minutes.
6. After cleaning, flush by pumping warm freshwater through the system (insert the alternate intake
hose into a pail of fresh water, and run the discharge water from the cleaning housing to a
drain). If fresh water is not available, you may use seawater if it is above 68° F (20° C).
7. Remove the cleaning housing and reinstall the normal membrane housing.
If the unit won't be used for at least 7 days after cleaning, follow the inhibiting instructions under "Storage".
Replacing the membrane element
If the membrane element is damaged, or can not be cleaned anymore, please replace the element
using the Katadyn Membrane Replacement Kit, article number 8012793, and follow the instruc
1. Grasp the membrane housing with both hands and turn counterclockwise until it can be
2. Remove the membrane element with a pulling and twisting motion.
3. Clean the membrane housing with a warm mild detergent, rinse with clean water, wipe dry with
a lint free cloth.
4. Lubricate the seals on the new element with a small amount of silicone lubricant.
5. Insert the element into the pump front, then push the reject tube assembly all the way into the element.
6. Slide the housing over the element. Screw it all the way into the pump collar by hand, but do
Be sure there is no gap between the pump collar and the thread stop on the membrane housing.
(Figure 1 3)
1. Capscrews (4 pcs.; 8013018) 8. Handle (8012994)
2. Hose and strainer assembled 9. Lanyard not shown
3. Pump Back
4. Pump Front Kits (not illustrated)
5. Pump manifold (8012953) 1. Biocide 100 g bottle (8013327)
6. Membrane (8012793) 2. Membrane Cleaning Kit (8013369)
7. Membrane Housing 3. Repair Seal Kit (8013053)
Storage (7 days or longer)
The Survivor 35 is shipped from the factory with a biocide solution inside, to prevent the growth
of bacteria. After the unit has been operated and before it is stored again, it should be flushed with
biocide as outlined below.
IMPORTANT: Never let the membrane dry out. Be sure to follow these storage instructions.
1. Turn the unit upside down, with the intake strainer out of the water.
2. Fill a suitable container with about a quart (approximate 1 liter) of clean water. Freshwater is
preferable, but clean seawater can be used if freshwater is not available.
3. Mix one spoonful (10 grams) of the biocide with water until dissolved.
4. Place the intake strainer into the biocide solution, and pump until water starts flowing out of the
reject hose (indicating that the membrane housing is filled). Stop pumping immediately after
water begins to flow from the reject hose.
5. If seawater was used to mix the biocide solution, repeat the above procedure with freshwater
as soon as it is available.
6. Rinse any biocide solution off the outside of the unit. Allow the unit to dry completely before sto
IMPORTANT: For your safety, we require that the above procedure be completed once a year
(storage temperature < 25°C/77°F). Please be aware to use only biocides supplied by Katadyn
for your product. Other products like chlorine based products will damage your membrane.
Your Survivor 35 is warranted for one (1) year from the date of purchase against defects in mate
rials and workmanship. Should your Katadyn Survivor prove defective within two years from the
date of purchase, return it to the Katadyn retailer from whom it was purchased. If you do not
receive a satisfactory resolution, contact Katadyn Consumer Relations at 1 800 755 6701 for serv
ice assistance. Please retain your purchase receipt as proof of date purchased. This warranty gives
you specific legal rights and you may have other legal rights that vary from state to state.
Katadyn North America Katadyn Products Inc.
9850 51 st Avenue North Birkenweg 4
Minneapolis MN 55442, USA 8304 Wallisellen, Switzerland
Phone: 800 755 6701 Phone: +41 1 839 21 11
Fax: 800 548 0406 Fax: +41 1 830 79 42