MSR Trail Base™ 4.0 L Water Filter Kit Operating instructions

Brand: MSR

Model: Trail Base™ 4.0 L Water Filter Kit

Type: Operating instructions

C. CLEANING THE FILTER

Clean the Filter Cartridge (E) every 8 liters to prevent build up and to extend

the filter’s lifespan. If cleaning the filter fails to restore water flow, replace the

Cartridge.1.In Trail Filter Mode, place Prefilter (M) in a water source. 2.Pump

water until the Bulb (G) is half full. 3.Shake the filter up and down for 20

seconds. 4.Remove the Short Inlet Hose (I) from the Nozzle (H). 5.Squeeze the

dirty water out of the Nozzle. 6.Reconnect the Short Inlet Hose to Nozzle.

D. CLEANING THE PREFILTER

1.In Trail Filter Mode, if the Prefilter (M) becomes clogged, swirl it in water to

dislodge debris.

E. SAFETY INTEGRITY CHECK

A POT OR BOWL IS REQUIRED TO PERFORM THIS TEST. 1.In Trail

Filter Mode, hold filter at about 45° and prime it by squeezing the Bulb (G)

10 times. 2.Pump 3/4 liter of water into a bowl or pot. 3.Unscrew the Female

Check Valve Housing (L) from the Male Check Valve Housing (J). 4.Remove

the Check Valve (K) and reverse its direction. Place it back into the Female

Check Valve Housing. 5.Screw the Female Check Valve Housing back onto

the Male Check Valve Housing. 6.Remove the Spout (B) and Umbrella Valve

(C). 7.Place the Cartridge Cap (D) into the pot/bowl of clean water and

pump 1/2 liter of clean water backward through filter. 8.While the Cartridge

Cap is still submerged, squeeze and hold the Bulb. Then remove the

Cartridge Cap from the water and release the Bulb. 9.If Bulb re-inflates within

30 seconds, the filter is NOT SAFE. (NOTE: If a few bubbles escape the Check

Valve, unscrew the Female Check Valve Housing, reseat the Check Valve, and

screw the Female Check Valve Housing back onto the Male. Then test the filter

again.) 10.If Bulb stays compressed, the filter is safe to use. 11.Reverse steps

to reassemble the filter for use.

F. STERILIZING THE FILTER

To eliminate the growth of bacteria or mold, always disinfect the filter before

or after long-term storage, or after long-term use (15+ consecutive days).1.

Mix 2.5 mL (≈ ½ tsp) of household bleach free of dyes or perfumes with 2

liters of water; or dissolve 6 Aquatabs® purification tablets in 1 liter of water.

2.Filter the solution through the system. 3.Wait 30 minutes. 4.Filter 1 liter of

clean water through the system to clear any remaining solution. 5.Squeeze the

Bulb (G) to purge remaining water. 6.Air dry Dirty Collection Reservoir (U).

G. REPLACING THE FILTER CARTRIDGE

This cartridge should be replaced when the filter’s flow rate drops to less

than 1/4 liter per minute. 1.Unscrew the Cartridge Cap (D) from the filter.

(Squeeze the Bulb (G) to keep the Filter Cartridge (E) from rotating inside).

2.Remove the Clip (F) from the Bulb. 3.Pull the Filter Cartridge out. 4.Apply

a light coating of the provided silicone lubricant to the bottom inside ¼” (6

mm) of the Cartridge Cap below the threads. (NOTE: Use only the lubricant

in the TrailShot / Trail Base Replacement Cartridge Kit.) 5.Insert the new Filter

Cartridge into the Bulb so that the Filter Cartridge snaps into place and sits

flush with the top of the Blub. 6.Thread the Cartridge Cap back on. 7.Replace

the Clip.

B. GRAVITY MODE

1. PREPARE GRAVITY SYSTEM 1.Remove Male Quick Disconnect (Q)

from the Female Quick Disconnect (V) on the Dirty Collection Reservoir (U).

2.Fill the Dirty Collection Reservoir with unfiltered water. 3.Fold the Closure

Strap (W) on the Dirty Collection Reservoir 4+ times to seal. Connect the

buckles of the Closure Strap to each other. 4.Suspend the Dirty Collection

Reservoir by the Hang Strap (X). (NOTE: Hang the Dirty Collection Reservoir

as high as possible without putting tension on the hoses or pulling the clean

container off the ground.) 5.Close Shut-off Clamp (O) on Long Inlet Hose (P).

6.Reinstall the Male Quick Disconnect. 7.Connect Short Inlet Hose (I) to Long

Inlet Hose using the Prefilter Coupler (N).

2. FILTER WATER 8.Remove Clean Side Cover (A) 9.Connect Trail Filter

to Clean Reservoir (R) by inserting the Spout (B) into Female Quick Disconnect

(T) on Clean Reservoir. 10.Place Clean Reservoir on flat surface with Trail Filter

resting on top of it. 11.Open Shut-off Clamp (O) to begin water flow. 12.Prime

Trail Filter to purge air and maximize flow rate. To prime Trail Filter, squeeze

the Bulb (G) 5 times. (Let Bulb fully refill each time before squeezing again).

13.Once water is flowing and filtering, allow gravity to do the work.

3. PACK AND STORE 1.Empty all water from system. 2.Disconnect

Spout (B) from Clean Reservoir (R). 3.Squeeze Bulb (G) to purge excess

water. 4.Replace Clean Side Cover (A). 5.Unscrew Short Inlet Hose (I) from

Long Inlet Hose (P). 6.Roll up Dirty Collection Reservoir (U) and wind Long

Inlet Hose around it, leaving it connected in the Female Quick Disconnect

(V). 7.Fold up Clean Reservoir. With backside of Clean Reservoir facing up,

fold long-ways into thirds. Fold into thirds again, so that the Female Quick

Disconnect nests into backside of the 3-in-1 Cap (S). Secure with red cord

around 3-in-1 Cap. 8.Before long-term storage (15+ consecutive days),

remove Filter Cartridge (See “Replacing the Filter Cartridge”) and let Bulb

and Filter Cartridge (E) dry out at room temperature for at least one week.

9.Before or after long-term storage or after long-term use (15+ consecutive

days), sterilize filter to eliminate the growth of bacteria or mold and to ensure

fresh tasting water (See “Sterilizing the Filter”).

A. TRAIL FILTER MODE

1. PRIME FILTER 1.Place the Prefilter (M) into the water source.

2.Remove the Clean Side Cover (A). 3.Hold the filter with the Spout (B) facing

up at about 45°, and squeeze the Bulb (G) 10 times. (Let the Bulb fully refill

each time before squeezing again.)

2. FILTERING INTO BOTTLE 1.Holding filter up at 45°, place the lip

of your bottle against the filter’s Spout (B) so that your bottle holds down the

Clean Side Cover (A). 2.Filter water by squeezing Bulb (G). (Ensure that the

Prefilter (M) stays fully submerged.)

3. FILTERING INTO MOUTH 1.Twist the Spout (B) around so that it’s

facing you, and the Bulb (G) is facing away. 2.Remove Clean Side Cover

(A). 3.Put mouth on Spout. 4.Filter water by squeezing Bulb. (Ensure that the

Prefilter (M) stays fully submerged.) 5.Drink.

4. PACK AND STORE FILTER 1.Remove Prefilter (M) from water.

2.Squeeze Bulb (G) to purge excess water. 3.Replace Clean Side Cover (A).

4.Before long-term storage (15+ consecutive days), remove Filter Cartridge (E)

(See “Replacing the Filter Cartridge”) and let Bulb and Filter Cartridge dry out

at room temperature for at least one week. 5.Before or after long-term storage

or after long-term use (15+ consecutive days), sterilize filter to eliminate the

growth of bacteria or mold and to ensure fresh tasting water (See “Sterilizing

the Filter”).

IMPORTANT

Read and understand this entire manual carefully before

assembling or using this water filter. Keep this manual for future

reference. If you do not understand this manual or have any

questions, please call Cascade Designs at 1-800-531-9531.

TRAIL BASE™ MICROFILTER KIT INSTRUCTIONS

The Trail Base™ Microfilter Kit uses hollow fiber technology to remove water-

borne pathogenic bacteria and protozoa, as well as particulates, from fresh

water sources. This filter does not remove viruses.

TRAIL FILTER PARTS:

GRAVITY SYSTEM PARTS:

A. Clean-side Cover

B. Spout

C. Umbrella Valve

D. Cartridge Cap

E. Filter Cartridge

F. Clip

G. Bulb

H. Nozzle

I. Short Inlet Hose

J. Male Check

Valve Housing

K. Check Valve

L. Female Check

Valve Housing

M. Prefilter

N. Prefilter Coupler

O. Shut-off Clamp

P. Long Inlet Hose

Q. Male Quick

Disconnect

R. Clean Reservoir

S. 3-in-1 Cap

T. Female Quick

Disconnect

U. Dirty Collection

Reservoir

V. Female Quick

Disconnect

W. Closure Strap

X. Hang Strap

BIOLOGICAL HAZARD

There are hazards associated with backcountry or international travel and the use of water filters. Drinking untreated

water can result in exposure to harmful microorganisms and an increased risk of gastrointestinal illness.

Never use the Trail Base™ filter kit to filter seawater or chemically contaminated water, such as water from mining

tailing ponds or near agricultural operations. The Trail Base filter kit does not make potable water from these sources

and does not remove chemicals and radioactive materials, or particles smaller than 0.2 microns.

Using this filter improperly increases your risk of exposure to harmful microorganisms and increases your risk of

gastrointestinal illness. Reduce your chances of becoming sick by following the warnings and instructions in this

manual and educating yourself on backcountry and international water safety.

YOU ARE RESPONSIBLE FOR YOUR OWN SAFETY AND THE SAFETY OF THOSE IN YOUR GROUP.

PLEASE USE GOOD JUDGMENT.

Keep the Inlet Hoses, Prefilter and other potentially contaminated parts away from filtered water to prevent

cross contamination.

READ, UNDERSTAND, AND FOLLOW ALL instructions and warnings in this manual before using this filter. Failure to

follow warnings and instructions may result in gastrointestinal illness.

WARNING

IMPORTANT NOTES:

• Use the cleanest, clearest water available.

• Filtering silty, cloudy, muddy or glacial stream water or tea-colored water

that contains visible tannins can clog the filter faster.

• When filtering, squeeze all of the water out of the Bulb (G); then wait for

the Bulb to completely refill before squeezing again.

• To perform the Safe Integrity Check you will need a pot or bowl.

• Do not carry the filter by the loop attached to the Clean Side Cover (A).

Do not attach a carabiner to this loop. This loop is not made to bear

weight. Carrying the filter by this loop can cause the Spout (B) to pop off.

• When replacing the Filter Cartridge (E), use only the lubricant provided in

the TrailShot / Trail Base Replacement Cartridge Kit. Do not use generic

silicone grease, as it may cause the O-rings to swell.

When using the lubricant, avoid contact with skin and eyes. Do not attempt to eat the

lubricant; keep it out of reach of children.

WARNING

WARNING DO NOT drop or freeze the filter. A damaged filter cannot prevent exposure to

harmful microorganisms. If you suspect the Filter Cartridge may be damaged, perform a safety check (See

“Safety Integrity Check”). If the Filter Cartridge is damaged, discontinue use and replace it.

WARNING If the Spout becomes contaminated with dirty water, rinse it with clean water

before filtering your water or drinking directly from the Spout. Never splash dirty or unfiltered water into

clean container to avoid contamination.

WARNING DO NOT drop or freeze the filter. A damaged filter cannot prevent exposure to harmful

microorganisms. If you suspect the Filter Cartridge may be damaged, perform a safety check (See “Safety Integrity

Check”). If the Filter Cartridge is damaged, discontinue use and replace it.

WARNING If the Spout becomes contaminated with dirty water, rinse it with clean water

before filtering your water or drinking directly from the Spout. Never splash dirty or unfiltered water into

clean container to avoid contamination.

WARNING Never store the Filter Cartridge in cold temperatures (below 32 F/ 0 C) because freezing

the filter will permanently damage the internal fibers.

WARNING Never use a dishwasher or microwave to disinfect parts because the high heat will

damage or melt them.

WARNING Never store the Filter Cartridge in cold temperatures (below 32 F/ 0 C) because freezing

the filter will permanently damage the internal fibers.

• To treat water with suspected waterborne viruses, use an approved

disinfectant/purifier and follow the manufacturer’s recommendations for

use. To see MSR’s purification options, visit www.msrgear.com. Further

information on disinfectant use can be found on the Centers for Disease

Control website: www.cdc.gov.

Limited Warranty details at msrgear.com/warranty

For Troubleshooting Solutions, visit: msrgear.com/trail-base-filter-kit

INSTRUCTION

MANUAL

TRAIL BASE™

WATER FILTER KIT

Retain these instructions for future reference.

ART# 33-678

4000 First Avenue South | Seattle, WA 98134 USA

Cascade Designs, Inc., USA

1-800-531-9531 or 206-505-9500

Cascade Designs, Ltd., Ireland - (+353) 21-4621400

www.msrgear.com | [email protected]

er (a)

y Check 7.6

180°

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

1/2

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

1/2

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

1/2

10X

180°

Filter to pack (a) Filter to pack (b)

Clean the Filter (b) Integrity Check 7.3

Prime Filter

Squeezing excess water 45 degrees prime lter

Filter into bottle

Filter into mouth

Clean the Filter (a)

er (a)

y Check 7.6

180°

1/2

180°

o pack (b) Clean the Filter (a)

y Check 7.3 Integrity Check 7.6

Integrity Check 7.7 Integrity Check 7.8 Integrity Check 7.91

Integrity Check 7.92 Integrity Check 7.93 Replace cartridge 10.1

Replace cartridge 10.5

y Check 7.7 Integrity Check 7.8 Integrity Check 7.91

y Check 7.92 Integrity Check 7.93 Replace cartridge 10.1

e cartridge 10.5

1/2

180°

o pack (b) Clean the Filter (a)

y Check 7.3 Integrity Check 7.6

Integrity Check 7.7 Integrity Check 7.8 Integrity Check 7.91

Integrity Check 7.92 Integrity Check 7.93 Replace cartridge 10.1

Replace cartridge 10.5

y Check 7.7 Integrity Check 7.8 Integrity Check 7.91

y Check 7.92 Integrity Check 7.93 Replace cartridge 10.1

e cartridge 10.5

er (a)

y Check 7.6

180°

12 3

B. C.D.

L. M.

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5.|10.

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12.

10.

TRAIL FILTER

20 s

180°

45°

10X

MSR Trail Base™ 4.0 L Water Filter Kit Operating instructions

Brand: MSR

Model: Trail Base™ 4.0 L Water Filter Kit

Type: Operating instructions

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MSR Trail Base™ 4.0 L Water Filter Kit Operating instructions

MSR Trail Base™ 4.0 L Water Filter Kit Operating instructions

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