Optimus Crux User manual

OPTIMUS | CLEVER COOKING SINCE 1899™
Crux TM
Canister mounted stove for outdoor use
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ARTICLE NO. 8019260
PRINT NO. 8019127/2

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This stove is designed for outdoor sports enthusiasts for
outdoor cooking and boiling of water only – never use it
for any other purpose.
IMPORTANT: This manual uses the terms DANGER,
WARNING and CAUTION to indicate possible safety hazards.
Please read these messages carefully and follow the safety
precautions. Please make sure you understand the contents
of this manual before using the stove. Never let children and
individuals with diminished mental capacity use this stove.
ENGLISH
WARNING
Gas leakages are highly
flammable
IF YOU SMELL GAS:
- Do not attempt to light stove
- Extinguish any open flame
- Disconnect stove from fuel
supply
WARNING
Do not store or use gasoline
or other liquids with flammable
vapors in the vicinity of this or
any other appliance.
FIGURE [5]
FIGURE [1]
FIGURE [3]
FIGURE [6]
FIGURE [2]
FIGURE [4]
O-ring
Art. No. 8017867

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This stove is designed for outdoor sports enthusiasts for
outdoor cooking and boiling of water only – never use it
for any other purpose.
IMPORTANT: This manual uses the terms DANGER,
WARNING and CAUTION to indicate possible safety hazards.
Please read these messages carefully and follow the safety
precautions. Please make sure you understand the contents
of this manual before using the stove. Never let children and
individuals with diminished mental capacity use this stove.
ENGLISH
WARNING
Gas leakages are highly
flammable
IF YOU SMELL GAS:
- Do not attempt to light stove
- Extinguish any open flame
- Disconnect stove from fuel
supply
WARNING
Do not store or use gasoline
or other liquids with flammable
vapors in the vicinity of this or
any other appliance.
FIGURE [5]
FIGURE [1]
FIGURE [3]
FIGURE [6]
FIGURE [2]
FIGURE [4]
O-ring
Art. No. 8017867

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WARNING CALIFORNIA PROPOSITION 65:
The fuel and byproducts of combustion of this fuel contain
chemicals known to the state of California to cause cancer,
birth defects, or other reproductive harm.
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DANGER CARBON
MONOXIDE
HAZARD
This appliance can
produce carbon
monoxide which
has no odor.
Using it in an en-
closed space can
kill you.
Never use this
appliance in an en-
closed space such
as a camper, tent,
car or home.

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WARNING AUSTRALIAN GAS ASSOCIATION:
Use outdoors only, see operating instructions. Only use in well
ventilated areas.
SAFETY FIRST
DANGER
If the stove is used incorrectly, it could cause fire,
explosion or carbon monoxide poisoning.
Please keep these instructions in a safe place for future
reference.
• If you have any questions, call Katadyn Products Inc. in
Switzerland at [phone], cust[email protected]
• US customers contact Katadyn North America at
[phone], [email protected]
DANGER
This stove uses a liquid pressurized gas (LPG) canister
that is highly flammable and explosive. Improper or unsafe
use can result in accidental fire and explosions which can
cause serious injury or possible death.
• For outdoor use only
• The Optimus Crux is designed for Optimus gas canisters
with a threaded valve certified to EN 417 (for Australia:
70% butane and 30% propane) (max. 450g). It may be
hazardous to attempt to fit other types of gas canisters.
• Listen and smell for leaking gas. LPG is invisible and may
be odorless, as its strong odorant can fade over time. As a
result, leaks are not always detectable by smell.
• If you suspect that there is a leak, do not use the stove or
canister. To locate and stop the leakage, move stove to a
well-ventilated area outdoors away from any ignition
source. Check that the stove and fuel canister connection
is secure and tight.

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WARNING
Risk of fire and explosion when using fire to detect gas
leaks.
• Only check for leaks using soapy water. Do not try to
detect leaks using a flame.
• Check the seals before connecting a new fuel canister to
the stove. Do not use the stove if seals are damaged or
worn. FIGURE [1]
If you expose the fuel canister to high heat, the canister
could explode or leak.
• Keep stove and fuel canister away from other heat sources.
• Follow all warnings on fuel canister regarding use and
storage.
• Do not attach or remove canister near high heat, open
flames, direct sunlight, other ignition sources or where
temperature of canister exceeds 50°C (120°F).
• Only use fuel canisters which are intended to be used with
this stove.
INSTRUCTION FOR USE
Before using your Optimus Crux, read the entire manual. To
minimize any risk of serious injury or possible death, follow
the instructions and safety precautions in this manual. Only
use the stove as described in this manual.
FIGURE [2]
A: Pot Supports
B: Control Valve
C: Gas Canister
D: Burner Head
E: Burner head folding mechanism
TECHNICAL SPECIFICATIONS (STOVE ONLY):
Fuel: Optimus gas canisters with a threaded valve certified to
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EN 417 (for Australia: 70% butane and 30% propane) (max.
450g) Weight: 83g (2.9 oz) Measurements: 84 x 57 x 31mm /
3.3 x 2.2 x 1.2 in Power: 3000 W / 10200 BTU / 10.8 MJ/h
Burn time: up to 90 minutes at maximum output (230 g gas
canister) Boil time: As little as 3 minutes depending on
climate, altitude, etc. Injector size of stove: 0.32 mm EN
521:2006 Category: direct pressure – butane / propane mix
CE-048BN – 0045
SET UP STOVE
1. Fold out burner head until it springs into locked position.
FIGURE [3]
2. Fold out the control valve handle and make sure that the
valve is fully closed. FIGURE [4]
3. Fold out pot supports. FIGURE [4]
4. Check O-ring for damage before connecting it to gas
canister.
CONNECT STOVE TO GAS
CANISTER
1. Hold onto the stove and screw the correct gas canister
counterclockwise tightly. FIGURE [5] Tighten by hand only
and be careful not to damage the threads when you
connect the gas canister.
2. Always keep the gas canister in an upright position while
connecting it to the stove.
3. Ensure that the stove is screwed all the way to the bottom
of the thread.
4. Make sure the stove is in a stable position so it will not tip
over.
5. Allow plenty of free space around the stove, at least 1.25
meters (4 feet) on each side and 1.5 meters (4.5 feet) above
it.
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6. Keep stove area clear and free from combustible
materials, gasoline and other flammable vapors and
liquids.
WARNING
Risk of burning or serious injuries due to gas leakage
hazard.
• This appliance should only be used in an above ground
open air situation with natural ventilation without stagnant
areas, where gas leakages and products of combustions
are rapidly dispersed by wind and natural convection.
• Never light the stove if you detect a hissing sound or the
smell of gas after tightening the canister. The gas has an
additive with a foul smell. Never use a stove that smells of
gas.
• Do not use stove if damaged or if it does not operate
properly.
• Never overtighten gas canister when connected to the
stove. Overtightening can damage stove or canister
causing gas to leak.
• Use extreme caution when using stove in temperatures
below freezing. In freezing temperatures, O-rings can stien
and leak gas.
• Always check for gas leaks before and after lighting the
stove.
• Keep children more than 3 meters (10 feet) away from stove
and fuel.
• Keep highly flammable fabrics away from stove, such as
outdoor clothing, sleeping bags, tents, etc.
• Never leave a burning or hot stove unattended.
• When a canister change is necessary, please follow steps
1-4 of this manual carefully.
USE THE STOVE TO COOK
1. Open the control valve approximately one turn counter-
clockwise and light the burner. FIGURE [6] Check that the
flame ring is complete and that the flame is mostly blue and
non-pulsating in normal operation.
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2. Adjust the control valve to get the flame you want.
3. If the output is weak, it could mean that the gas is running
out, or that the canister is too cold. Turn o the stove and
let it cool down. Make sure there is no open flame nearby
when changing the gas canister.
4. Accessible parts may become very hot. Keep out of reach
of children, people with diminished mental capacity and
pets.
WARNING
Overheating and explosion hazards
• Never add a windscreen after the stove is lit.
• Never use a windscreen which fully encloses the gas
canister.
• Keep solid combustibles at least 1.25 meters (4 feet) away
from the top and 1 meter (3 feet) from sides of a burning
stove or a stove that you are in the process of lighting.
• Keep flammable liquids and vapors at least 8 meters (25
feet) away from the top and sides of a burning stove or a
stove that you are in the process of lighting.
• Never attempt to light a stove if control valve has been left
open. If control valve is left open, close it immediately and
thoroughly ventilate area before lighting stove. Failure to
ventilate area can result in an explosion.
• Never use cookware with a diameter larger than 220 mm
(8.5 in). The pan plus food must not weigh more than 2 kg
(4.4 lbs) combined.
• Never place and operate two or more stoves together.
• Never operate stove with empty or dry cookware.
• Never use non-Optimus heat reflectors or windscreens.
TURN OFF, COOL AND PACK STOVE
1. Turn o the stove by turning the control valve handle fully
clockwise and double-check that the flame is completely
extinguished.
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2. Allow stove to cool properly.
3. Disconnect the gas canister.
4. It is normal for a small amount of gas to fizz out when you
unscrew the gas canister.
5. Fold in pot supports and the head of the burner by pushing
down the metal ring between the fuel control valve and the
burner head. Place stove in stu sack.
CAUTION
Risk of burning due to incorrect handling and storage.
Storing gas canisters near any heat or ignition source, or
where temperatures exceed 50° C (120° F) can result in the
canister exploding.
Never move a burning or hot stove. Allow stove to cool for at
least 10 minutes before moving it.
Never transport or store the stove with the gas canister
connected to it.
Always store gas canisters in a well-ventilated area away from
any possible heat or ignition source such as: water heaters,
stoves, pilot lights, furnaces or where temperatures exceed
50°C (120°F).
MAINTENANCE
Before each use, check the O-ring where the stove connects to
the gas canister. FIGURE [1] Leakage may result if the O-ring is
not in place, or if it is worn or damaged. Replace the O-ring by
teasing it out with a tool such as the blunt end of a sewing
needle. Never use a sharp or pointed object that can damage
the seal surfaces. Fit the new O-ring with care to avoid
damaging it. Only use original Optimus O-rings (Art. Nr.
8017867) for this purpose. Do not modify the stove. Only
qualified individuals are allowed to do additional service. For
major repairs send stove back to Optimus.
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