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Part No. 328984
IMPORTANT
Read instructions before operation.
PRIMUS
OmniFuel Stove
User Manual and
Product Specications
®
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Instuctions for use
IMPORTANT: Read these instructions
carefully before connecting the appliance to
the gas cartridge or liquid fuel bottle. Study
the instructions at regular intervals to remain
familiar with the operation of the appliance
and keep them for future reference. Failure
to follow these instructions may result in
serious injury or death!
CAUTION: This appliance consumes air
(oxygen) and produces carbon dioxide. To
avoid danger to life, NEVER light or use the
appliance in an unventilated space, indoors,
in a tent, in a vehicle or in any other enclosed
area.
Use outdoors only!
NEVER cover the stove (gas cartridge or
liquid fuel bottle) with a wind shield, rocks
or similar which may cause overheating or
damage to the stove and cartridge/fuel bottle.
Overheating a gas cartridge or liquid fuel
bottle in this way is highly dangerous.
Fuels and performance
Jet 45 (0.45 mm)
• Primus cartridge gas (propane/butane mix)
is the ideal fuel for the OMNIFUEL stove. The
fuel is very easy to use, normally requires
no priming, and is efcient, environmentally
friendly and clean (no soot). Minimum
maintenance and cleaning are required.
Jet 37 (0.37 mm)
• High quality white gas (MSR® White Gas/
Coleman® Fuel) affords clean combustion
and leaves practically no deposes in the fuel
system.
• Vehicle petrol should be used only in
exceptional cases since it contains additives
which are harmful to your health and also
leave deposits in the fuel system.
• For health reasons, leaded petrol should
never be used. Jet 28 (0.28mm)
• Although kerosene is available worldwide, it
creates more soot, is more difcult to prime
and necessitates frequent cleaning.
• Diesel oil may be used if no other fuel is
available. Diesel oil burns with a very sooty
ame, takes a long time to preheat and
necessitates frequent cleaning.
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1. Introduction
1.1 This appliance is designed for use only
with Primus 2202, 2206 and 2207 gas
cartridges containing propane/butane gas
mixtures or Primus liquid fuel bottles for white
gas, Primus PowerFuel, (MSR® White Gas/
Coleman® Fuel), unleaded petrol, parafn and
other, equivalent fuels.
1.2 Any attempt to t another type of gas
cartridges or liquid fuel bottle may be
dangerous. This may result in leakage, leading
to injury or death.
1.3 Gas consumption: 180 ph / 8,000 Btu/h
(approx. 2.3 kW) at 1 bar pressure. (Canada:
Gas: 12000 Btu/h, white gas/kerosene 8000
Btu/h)
1.4 Jet size: 0.45 mm for Primus disposable
cartridges. Jet size: 0.37 mm for white gas
Primus PowerFuel, (MSR® White Gas/
Coleman@ Fuel) and unleaded petrol. Jet size:
0.28 mm for kerosene and similar fuels.
1.5 The appliance complies with EN 521,
Z21.72b-2002/CSA 11.2b-2002 and CSA
B140.9.2-1975. The CE approval (EN 521)
regards only LP Gas.
1.6 Ensure at all times that the hose
between the cartridge and stove is straight,
and cannot come in contact with the ame
or hot gases. Ensure that the hose is not
twisted or subject to abrasion.
2. Safety information (g. 1)
2.1 Ensure that the appliance and pump seals
(1) are in place and in good condition before
tting the gas cartridge or liquid fuel bottle.
2.2 The appliance may be used outdoors
only. NEVER light or use the appliance in an
unventilated space, indoors, in a tent, in a
vehicle or in any other enclosed area.
2.3 The appliance must be operated on a level
surface.
2.4 Ensure that no ammable materials or
spilled fuel are present in the vicinity of the
appliance (see 4.8.6 and 6.8.6).
2.5 Always t or replace the gas cartridge/
liquid fuel bottle in a safe place. This should
be done outside only, away from possible
sources of ignition, such as naked ames,
pilot lights and electric res, and well away
from other people.
2.6 In the event of a leak from your appliance
(as indicated by a smell of gas, white gas
etc.), remove the stove immediately to a
well-ventilated location outdoors, away from
possible sources of ignition, where the leakage
can be investigated and corrected. Checking
the correct operation of the appliance when
using cartridge gas should only be carried
out outdoors. NEVER check for leaks with a
naked ame, use soapy water.
2.7 Never use an appliance with damaged or
worn seals. Never use a leaking, damaged or
malfunctioning appliance.
2.8 Never leave the appliance unattended
when lit.
2.9 Do not allow pans to boil dry.
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3. Handling the appliance
3.1 Be careful not to touch the hot parts of the
appliance during or after use.
3.2 Storage: Always unscrew the cartridge or
liquid fuel bottle from the appliance when not
in use. Store the cartridge or bottle In a safe,
dry place away from heat.
3.3 Do not misuse the appliance, or use it for
any purpose other than that intended.
3.4 Handle the appliance with care. Do not
drop it.
4. Assembling and operating
the appliance with a gas
cartridge (g. 2 and 4)
4.01 It is absolutely essential that the
fuel line be completely clear of liquid fuel
when cartildge gas Is used, otherwise a
dangerously high ame wIll result! (Soo
6.8.7 for instructions on how to drain the
fuel system.) Also ensure that a 0.43 mm jet
Is installed.
4.1 Ensure mat the shut-off valve (2) and gas
control (5) are fully closed (by turning the knob
fully clockwise).
4.2 Keep the cartridge (3) upright when tting
it to the valve.
4.3 Place the valve squarely on top of the
cartridge (as shown in Fig .2).
4.4 Screw the cartridge carefully into the valve
until it meets the O-ring, taking care not to
cross-thread the cartridge. Hand cartridge
valve may be damaged.
4.5 Ensure that the gas seal is tight. Carry out
checks outdoors. NEVER use a naked ame
to check for leaks. Apply warm, soapy water
to the joints and connections, and observe
for leak. In the form of bubbles around the
suspect area. If in doubt, or if an escape of
gas can be heard or smelled, do not attempt
to light the appliance. unscrew the cartridge
and contact your local dealer.
4.6 Swing the legs (pan supports) (12) into
position in the wind shield (11).
4.7 The stove is now ready for use.
4.8.1 Always place the appliance on a steady
surface. Ensure that the hose is fully extended,
and that it is run straight between the cartridge
and stove. Keep the cartridge clear of the heat
of the appliance.
4.8.2 First turn the shut-off valve (2), then the
gas control (5) counterclockwise and light the
burner (4) immediately.
4.8.3 Adjust the tame using the gas control (5)
or shut-off valve (2).
4.8.4 After lighting, keep the appliance upright
and do not move it around. A high ame may
occur if the appliance has not been preheated
fully or if it is moved without care.
4.8.5 After use, rst close the shut-off valve
(2). When the fame Is extinguished, also close
the gas control (5).
4.8.8 A minimum clearance must be
maintained with ammable materials. The
minimum permissible clearance between
the appliance and ceiling, and between
the appliance and the nearest wall, is 1250
mm. These minimum clearances must be
observed to prevent a re hazard.
5. Changing the cartridge
5.1 Close the shut-off valve (2) End gas control
(5) fully. Ensure that the ame is extinguished
and that there is no other ame source in the
vicinity. Change the cartridge outdoors away
from other people. Unscrew the cartridge
from the valve and replace the 0- ring seal if
cracked or worn. Avoid cross-threading by
placing the valve squarely on the cartridge
thread, and hand-lighten only as described in
section 4.
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6. Assembling and operating
the appliance with liquid fuel
(gs. 3 and 4)
6.01 The appliance is delivered with three jets.
Jet 45 is for cartridge gas, jet 37 for white gas
and unleaded petrol, and Jet 28 for kerosene,
diesel oil and similar fuels. Ensure that the
correct jet is installed.
6.02 Fill a Primus fuel bottle to the lling mark
with liquid fuel. NOTE! Never overll the bottle!
6.1 Ensure that the shut-off valve (2) and gas
control (5) are fully closed (by turning the knob
fully clockwise).
6.2 Screw the pump (21) into fuel bottle (20).
6.3 Screw the fuel pump swivel coupling
(22) carefully into the valve until it meets the
control valve O-ring (as shown in Fig. 3). Be
careful not to cross-thread the connection.
Hand-tighten only - overtightenIng will
damage the connection.
6.4 Swing the legs (pan supports) (12) into
position in the wind shield (11).
6.5 Pump about 20 full strokes, or more if the
fuel level is below the tilling mark on the fuel
bottle.
6.6 Place the fuel bottle on a rm, level
surface with the text ‘ON’ the fuel pump facing
upward.
6.8.1 Always place the appliance on a steady
surface. Ensure at all times that the hose
between the cartridge and stove is straight,
and cannot come in contact with the ame
or hot gases. Ensure that the hose is not
twisted or subject to abrasion. Keep
the fuel bottle away from the heat of the
appliance.
6.8.2 First open the shut-off valve (2) then
open the gas control (5) by turning it a half turn
counterclockwise. Allow fuel to spray from
the jet for about 2 seconds before closing the
control. If using kerosene or diesel, or if the
weather is odd and windy, more fuel will be
required for preheating. In this case, allow fuel
to escape for 4-6 seconds.
6.8.3 Check for leaks at the shut-off valve, gas
control, fuel pump, jet, fuel hose and fuel line.
DO NOT USE THE APPLIANCE IF LEAKS
ARE PRESENT.
6.8.4 Light the priming pad. DO NOT LEAN
OVER THE APPLIANCE WITH YOUR HEAD
OR BODY. The priming pad will now bum for
about 40 seconds if white gas is used, and
for longer if kerosene or diesel is used or if
the ambient temperature is low. Open the gas
control slowly by turning counterclockwise)
when the fuel in the printing pad begins to
run out, but before the lame has expired
completely. If the appliance burns with a
yellow or an unstable ame, priming has
been insufcient. Try closing the gas control
somewhat until a steady, blue ame is
established end allow the device to burn at
low power for a while to heat up. If the stove
still cannot be operated at full power, the only
course is to turn it off, allow it to cool fully
and repeat the priming procedure for a longer
period using more priming fuel. Remember
also that the stove must be shielded from the
wind during this procedure.
6.8.5 After lighting, keep the appliance upright
and do not move it around. A high lame may
occur if the appliance has not been preheated
fully or if It is moved without care.
6.8.6 A minimum clearance must be
maintained with ammable materials. The
minimum permissible clearance between
the appliance and ceiling, and between the
appliance and the nearest wall, is 1250 mm
(48 inches). These minimum clearances
must be observed to prevent a re hazard.
6.8.7 To turn the appliance off and empty the
fuel system, turn the fuel bate over so that
the ‘OFF’ on tile fuel pump is facing upward.
When the ame has been extinguished
arid air is owing through the jet, close the
shut-off valve (2) by turning the knob fully
counterclockwise. Note! This procedure
will take about 1 minute. Also close the gas
control (5) when the appliance has been
turned off. Allow the appliance to cool before
disassembling it.
6.8.8 NEVER relight shot appliance. Hot parts
may vaporise the liquid fuel and cause a
dangerous “reball”.
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7.8 Routine service and mentenance
Always ensure that the seals and O-rings are
correctly seated and are in good condition.
Carry out this check each time before
assembling the appliance. Replace the seals
if damaged or worn. New seals are available
from your local dealer,
7.9 Multi-tool
The tool is used for removing and tting the
Jet (10), locknut (31), hose connection (32),
bottom seam (33) and priming pad lock (34).
See Fig. 5.
7. Maintenance
7.01 When using liquid fuels, the jet should
be cleaned regularly for optimum, trouble-free
operation. If the appliance is used for long
periods or with poor quality fuel, the control
spindle (30) require cleaning.
7.1 Cleaning the jet
Close the shut-off valve (2) and gas control (5),
and unscrew the cartridge or fuel bottle.
7.2 The jet (10) can be cleaned in situ or when
unscrewed from the appliance.
7.3 Clean the jet using the cleaning needle (26)
supplied with the appliance.
7.4 Ret the jet and screw it home securely to
ensure a good seal. Fit a Primus cartridge for
added safety and check the joint with warm
soapy water. The appearance of bubbles
indicates that the joint is not sufciently tight.
7.5 Cleaning of control spindle
Unscrew the locknut (31) using the multitool. Unscrew the spindle. Carefully clean
the three grooves at the tip of the spindle, for
example using a ngernail. Take care not to
damage the spindle threads. Ensure that the
spindle O-ring is intact and check its tightness
following reassembly. For extra safety use a
Primus cartridge and check the tightness of
the joint with soapy water. The presence of
bubbles indicates that the joint a not tight.
7.6 Fuel pump
If the pump does not pressurise the fuel bottle,
stretch the leather pump gasket (28) slightly
and lubricate it with Primus leather oil (saliva
or a mineral-based oil). Unscrew and withdraw
the pump rod. Rub oil into the gasket until
it becomes soft end pliable. if the pump still
fails to pressurise the fuel bottle, replace the
gasket or proceed to 7.7.
7.7 If the pump fails to maintain the pressure
in the fuel bottle, clean and check the nonreturn valve (29). Remove the valve and wipe
the rubber gasket with a cloth ret the valve.
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8. Hints and troubleshooting
Primus cartridge gas (propane/butane mix) is
the ideal fuel for the OMNIFUEL stove. The
fuel is very easy to use, normally requires
no priming, and is efcient, environmentally
friendly and clean (no soot). Minimum
maintenance and cleaning are required.
High quality white gas (MSR® White Gas/
Coleman® Fuel) affords clean combustion although not as clean as cartridge gas - and
leaves practically no deposits in the fuel
system.
The stove is equipped with fuel lters in the
pump hose (35) and in the hose connection
(32). These lters normally require no other
attention than replacement as required. When
replacing the lter in the hose connection, the
existing lter may be removed by sticking a
pointed object (such as a needle) in the lter
and prying it out, taking care to avoid damage
to the sealing faces. Carry out leak testing as
described in 4.5.
The factors which govern the output of stoves
running on cartridge gas are listed below, with
hints on how to increase (a maintain) output in
cold weather.
Factors affecting heat output
• Quantity of gas in cartridge
• Temperature of ambient air
• Initial temperature of gas
How to increase output in cold weather
• Preheat the cartridge with a Primus heat
pad.
• Preheat the cartridge by placing it upright in
1” (2.5 cm) of warm water.
• Preheat the cartridge with your hands or
place it inside your jacket before connecting it
to the appliance.
Possible causes of reduced power
• Insufcient pressure in liquid fuel bottle
• Incorrect jet tted
• Jet or jet lter blocked
• Control spindle grooves blocked (see 7.5
above)
• Fuel tter blocked
• Appliance not shielded from wind etc.
Possible causes of unstable, yellow ame
• Insufcient priming
• incorrect jet
• Appliance not shielded from wind etc. Use
Primus windscreen arid heal reector or move
stove to sheltered location.
• Excessive pressure in tot bottle due to
excessive pumping. Reduce power by closing
gas control
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9. Service and repair
9.1 Return the appliance to your local retailer
it a fault cannot be corrected using these
Instructions.
9.2 Never attempt any other maintenance or
repair.
9.3 Never modify the appliance since this may
make it unsafe.
9.4 The stove has been approved with a
factory-tted hose. For this reason the hose
must NEVER be replaced by a type other than
the original.
10. PARTS AND ACCESSORIES
10.1 Use only Primus brand parts and
accessories. Take care to avoid touching hot
parts when tting parts and accessories.
10.2 Replacement cartridges: Use any
Primus 2202, 2207 propane/ butane mix gas
cartridges with this appliance.
Replacement fuel bottles: Use only Primus
721950 and 721960 fuel bottles with this
appliance.
10.3 Parts are available from your Primus
dealer or from your importer.
10.4 Contact your importer if you have any
difculty in obtaining parts or accessories.
For your safety
If you smell gas
1. DO not attempt to light appliance
2. Extinguish any open ame
3. Disconnect from fuel supply
DO not store or use gasoline or other liquids
with ammable vapours in the vicinity or any
other appliance
DANGER: CARBON MONOXIDE HAZARD
This appliance can produce carbon monoxide
which has no odour. Using it in an enclosed
space can kill you. Never use this appliance in
an enclosed space such as a camper, tent, car
or home.
WARNING: Keep stove area clear and free
from combustible materials, gasoline and
other ammable vapours and liquids
WARNING: See too that no obstruction of
combustion or ventilation occur.
WARNING: See too that the ame on the
appliance is steady. The ame shall always
leave the stove straiaght upwards. Note. Wind
may press the ame down under the burner, if
that happens stop the stove immediately and
move it to a wind protected area.
WARNING: When the stove is in storage, the
gas canister has to be disconnected.
CUSTOMER SERVICE 1300 555 197
enquiries@primusaustralia.com.au
Distributed by
PRIMUS AUSTRALIA PTY LTD
Bundoora Victoria 3083
www.primusaustralia.com.au
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