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KNOW YOUR MSR
WHISPERLITE
®
Check
Valve
INTERNATIONAL STOVE
Please familiarize yourself with the parts of your
Control
WhisperLite International stove. This stove requires
Valve
Assembly
a priming or preheating step to convert liquid fuel
into vapor to run properly. Priming or preheating
Fuel Tube
the stove is addressed in Step 4.
O-ring
Fuel Tube
Burner
Bushing
Head
Pump
Rim
Body
Detent
Pump
Pump
Cup
Seal
Pot Supports/
Legs
Fuel Pump
Plunger
Groove
Plunger
Mixer
Bushing
Tube
Tabs
Plunger
Jet
Bushing
Shaker
Needle
Generator
Generator
Tube
Tube
Jet and
Cable Tool
Windscreen
Windscreen
Fuel Line
(Brass) End
Priming
Catch
Catch
Cup
Heat
Heat
Arm
Arm
Reflector
Reflector
WARNING
Do not use this stove: (1) before reading and fully understanding this Instruction Manual; (2) if you are not
prepared or comfortable attending to a burning and/or hot stove at all times; (3) if you observe leaking fuel;
or (4) if you observe any condition with the stove system or in the surrounding environment that would make
operation of an open flamed device dangerous. Failure to follow these directions can cause an unsafe situation
leading fire, burns, severe injury or death.
PREHEAT STOVE
1. Release only 1/2 spoonful of fuel.
Open Pump Control Valve 3/4 turn and let fuel flow through the Jet.
Close Pump Control Valve.
Look for fuel in Priming Cup and on Wick.
2. Light fuel in the Priming Cup.
A brief soccer ball size flame is normal.
OPEN
CLOSE
3/4 TURN
WARNING
Never place your head or body above the stove while priming, lighting, or cooking. Because stove maintains an
open flame, placement of head or body above stove is an unsafe practice that can cause fire, burns, severe injury
or death.
Never use excess fuel to preheat stove. Use of excess fuel for priming can lead to leaking or spilled fuel that can
cause fire, burns, severe injury or death.
™
WHISPERLITE™ INTERNATIONAL STOVE
OPERATING INSTRUCTIONS
To avoid being killed or seriously injured, READ, UNDERSTAND,
AND FOLLOW ALL instructions and warnings in this manual before using
this stove.
PREPARE FUEL BOTTLE
The WhisperLite International stove is sold with two interchangable Jets so it can burn a variety
of fuels. To ensure the correct Jet is installed for the type of fuel to be used, see Fuel Information.
1. Fill Fuel Bottle to fill line only.
Air space is necessary for fuel expansion.
2. Insert Pump into Fuel Bottle and firmly tighten.
3. Check Fuel Bottle for leaks before pressurizing bottle.
4. Close the Pump Control Valve, then stroke Plunger (20-30 strokes).
Pump until firm resistance is felt.
Less fuel requires more strokes or pressure.
CLOSE
STOP
AIR
FILL
LINE
FUEL
WARNING
Use MSR
®
fuel bottles only. Non-MSR fuel bottles may leak fuel creating an unsafe situation leading to fire, burns,
severe injury or death.
Keep children far away from stove and fuel—Cascade Designs, Inc. recommends no less than 10 feet (3+ meters).
Never leave a burning or hot stove unattended. An unattended stove can lead to fire and/or a situation where
children, pets, or the unwary can be burned, injured, or killed.
Use extreme caution when using stove in temperatures below freezing. In freezing temperatures O-rings can stiffen
and leak fuel. Always check for fuel leaks before and after pressurizing bottle, priming, and during and after lighting
stove. Use of a leaking stove can cause fire, burns, severe injury or death.
TURN STOVE ON
1. Wait for preheat flame to reduce in size (approximately 2 minutes).
If flame goes out, wait 5 minutes for stove to cool before relighting.
2. Open Pump Control Valve 1/2 turn and wait for steady blue flame.
3. Slowly open Pump Control Valve.
2 MIN.
WAIT!
OK
1/2 TURN
STEADY
BLUE FLAME
WARNING
Never relight a heated stove. Always let an extinguished stove cool for at least 5 minutes before relighting.
Relighting a heated stove can cause large flames that can cause fire, burns, severe injury or death.
Never move a burning or hot stove. Always extinguish stove and cool for at least 5 minutes before moving. Moving
a burning or hot stove can cause fire, burns, severe injury or death.
SET UP STOVE
1. Unfold the 3 Pot Supports/Legs.
Rotate Pot Supports/Legs fully open.
2. Place stove on the center of Heat Reflector.
4- ft. (1.2 m) MIN.
DISTANCE from
COMBUSTIBLE
MATERIALS
Stroke
FULL
20-30 Strokes
1/2 FULL
30-40 Strokes
WARNING
Keep combustibles at least 4 feet (1.2 meters) away from the top and sides of a burning stove, or a stove that you
are in the process of lighting. Keep flammable liquids and vapors at least 25 feet (7.6 meters) away from the top
and sides of a burning stove, or a stove that you are in the process of lighting. This stove can ignite combustible
materials, flammable liquids and vapors creating a situation where fire, burns, severe injury or death can result.
This stove is designed for the outside (i.e., not within enclosure spaces of any kind; e.g., tents) boiling of water
or cooking of food only—never use it for any other purpose. Use of stove within any enclosure, or for a purpose
other than boiling water or cooking food can cause fire, burns, severe injury or death.
USE STOVE TO COOK
1. Set up Windscreen.
Fold the ends of Windscreen together.
Leave a 1-inch (2.5 cm) gap between Windscreen and pot for optimal performance.
Ensure that combustion flow and ventilation air are free of any obstruction.
Use Windscreen to improve performance in all conditions.
2. Add appropriate food or liquid to cookware and place on center of stove.
3. Maintain Fuel Bottle pressure.
Add approximately 10 strokes every 10 minutes to maintain performance.
Hold Fuel Bottle firmly while pumping.
1/2 in.
(1.3 cm)
SLOWLY
10 Strokes
WARNING
Keep fuel bottle away from the stove burner and other heat sources. Position connected fuel bottle so that it is as
far away from the burner as possible. Use of bottle near burner or other heat sources can result in the fuel bottle
exploding and causing fire, burns, severe injury or death.
Never place windscreen around fuel bottle. Never use cookware with a diameter greater than 10 inches (25 centi-
meters). Never place and operate two or more stoves together. Never operate stove with empty or dry cookware.
Never use non-MSR
®
reflectors or diffusers. Use of stove in any of the proceeding manners can result in the fuel
bottle exploding and causing fire, burns, severe injury or death.
Never use cookware of any size that is ill-suited and/or inappropriate for use with stove, particularly stove pot
supports (e.g., cookware with a convex or concave bottom, some enameled cookware, etc.). Use of stove with
ill-suited and/or inappropriate cookware can result in cookware and/or stove instability and a situation where hot
cookware and/or cookware contents can spill and cause fire, burns, severe injury or death. Cascade Designs, Inc.
warrants the use of appropriately sized MSR
®
brand cookware only—use of cookware other than MSR
cookware will be at user's own risk and discretion.
CONNECT STOVE AND PUMP
1. Lubricate the entire brass end of the Fuel Line with saliva or oil.
2. Completely insert the brass end of the Fuel Line into Pump.
Place Fuel Bottle on its side so Pump Control Valve points up.
3. Secure the Catch Arm on Fuel Pump Groove.
Keep Fuel Line straight for safety.
25 ft. (7.6-m) MIN.
Keep Fuel Bottle as far away from stove as possible.
DISTANCE from
FLAMMABLE LIQUIDS/
VAPORS
OPERATOR POSITION
Before every use, look for fuel on the fuel bottle, pump, fuel line, burner, and on the area beneath and around
stove. Do not light stove if you see or smell fuel. See Troubleshooting. Use of stove where fuel has leaked and/or
is leaking can cause fuel to ignite causing fire, burns, severe injury or death.
Never disconnect the fuel line, pump, or fuel bottle when stove is burning, hot, or near any open flame. Never
disconnect fuel line, pump, or fuel bottle when control value is in an open (i.e., fuel flowing) position. Disconnecting
fuel line, pump, or fuel bottle when stove is burning, hot, or near any open flame, or disconnecting fuel line, pump,
or fuel bottle when control value is in an open (i.e., fuel flowing) position can lead to spilled fuel that can ignite
and cause fire, burns, severe injury or death.
TURN STOVE OFF
1. Close Pump Control Valve.
Residual fuel will continue to burn with a small flame.
2. After flames are out, wait 5 minutes for stove to cool.
3. Unlock Catch Arm and remove Fuel Line from Pump.
4. Depressurize Fuel Bottle and repack stove.
Hold the Fuel Bottle upright, away from your face and any sources of heat or ignition.
Slowly unscrew pump to depressurize Fuel Bottle.
NOTICE: To transport the Fuel Bottle, the Pump may be left inside a depressurized Fuel
COOKWARE
Bottle. The Pump can also be removed and replaced with the Fuel Bottle Cap.
10 in. (25 cm)
DIA. MAX
CLOSE
5 MIN.
10 MIN.
WAIT!
Always store fuel bottle with cap securely tightened where it cannot be accessed by children. Storage of fuel bottle
with loose cap and/or where accessible by children can result in a child obtaining possession of fuel bottle and
accessing bottle contents. Exposure to bottle contents topically and/or by ingestion can cause poisoning, severe
injury, or death.
Always store fuel bottle in a well-ventilated location away from any possible heat or ignition source such as: water
®
brand
heaters, stoves, pilot lights, or furnaces. Storing bottle near any heat or ignition source can result in the fuel bottle
exploding and causing fire, burns, severe injury or death.
WARNING
BELOW EYE
LEVEL
WARNING
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