QTAC 20S User manual

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Table of Contents
GETTING TO KNOW YOUR QTAC..................................................................................3
TRANSPORTING YOUR QTAC.......................................................................................6
Gross Vehicle Weight Rating.........................................................................................6
General QTAC Mounting and Fastening........................................................................6
Special Precautions for Carrying a QTAC on Ride-On ATVs or Side-By-Side UTVs ....7
OPERATING YOUR QTAC...............................................................................................8
Before Starting Up Your QTAC......................................................................................8
PUMP OPERATION..........................................................................................................8
Tank Fill Requirements:.................................................................................................8
Tank Fill Through the Fill Tower ....................................................................................8
Starting the Engine........................................................................................................9
Pumping Using the Tank Water Supply.........................................................................9
DRAFT PROCEDURES....................................................................................................9
Drafting From an Auxiliary Water Source ......................................................................9
Pumping While Drafting From an Auxiliary Water Source ...........................................10
STOPPING YOUR QTAC...............................................................................................10
STORING YOUR QTAC .................................................................................................11
General Storage ..........................................................................................................11
SPECIAL QTAC OPERATION........................................................................................11
Using More Than Water in Your QTAC .......................................................................11
SERVICING YOUR QTAC..............................................................................................12
Cleaning Your QTAC...................................................................................................12
Protecting Your QTAC.................................................................................................12
Routine QTAC Maintenance........................................................................................12
TROUBLESHOOTING YOUR QTAC..............................................................................12
The Pump Engine Will Not Start..................................................................................12
The Pump Will Not Build Water Pressure....................................................................13
Water Will Not Discharge From The Discharge Hose..................................................13
The Pump Engine Runs Erratically..............................................................................14
TECHNICAL SPECIFICATIONS.....................................................................................14
ADDITIONAL REFERENCES......................................................................................15
WARRANTY ...................................................................................................................16

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GETTING TO KNOW YOUR QTAC
Figure 1 - Tank Components
1
Brush Guard (Optional)
6
Water Tank Vent
2
Water Fill Lid
7
Discharge Hose Rack w/ Storage Box
3
Mounting Flange
8
Water Tank Drain Port
4
Grab Handle
9
Tool Holders (Optional)
5
Water Tank Site Gauge
1
2
8
6
7
9
3
4
5

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Figure 2 - Pump Components
All Valves Shown in the Open Position
1
Pump Primer Port
4
Pump Discharge Port
2
1” Pump Intake Selection Valve
5
Pump Drain Port
3
Draft Hose Port
5
1
2
3
4

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Figure 3 - Pump Engine Components
1
Carburetor Choke
5
Engine Throttle
2
Carburetor Fuel Primer
6
Engine Switch
3
Fuel Fill
7
Oil Fill
4
Pull Starter
1
2
3
4
5
6
7

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TRANSPORTING YOUR QTAC
Gross Vehicle Weight Rating
•Ensure that the gross vehicle weight rating (GVWR) of the QTAC carrying vehicle is
sufficient to support your QTAC unit with a full tank of water, plus any equipment,
fluids and personnel that you may wish to carry. Alternatively, you can reduce the
volume of water in your QTAC to maintain a GVWR under the limit of your vehicle.
General QTAC Mounting and Fastening
Figure 4 –Mounting Options
Ensure that your QTAC unit is secured to the carrying vehicle. Two main mounting
methods are available for your QTAC unit:
1. The preferred method of securing the QTAC to the bed of the vehicle is to mount
the QTAC at the flanges (Figure 4 Item 2), located at the bottom of the water tank
1
2
2

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on each side. The flanges have been machined to accept a variety of mounting
hardware options.
2. Strapping the QTAC down through the strap guides (Figure 4 Item 1), located at the
top of the water tank. Only one tie-down configuration is required to mount the QTAC
(either the inside or outside configuration).
For both mounting methods, ensure that the bottom of the QTAC (including the mounting
flanges) abuts a firm, flat surface or rack. Avoid significant leveraging of the mounting
flanges.
Special Precautions for Carrying a QTAC on Ride-On ATVs or Side-By-Side
UTVs
•Ensure that the area to which you are securing your QTAC is an approved
loading area for your ATV or UTV.
•Ensure that the weight of your QTAC does not exceed the maximum
recommended weight of the ATV or UTV loading area to which you are securing
your QTAC.
•Loading the bed of your ATV or UTV may affect steering response. Therefore,
the operator should spend some time operating the vehicle in a safe area (e.g.
wide and flat) once the QTAC has been properly secured and loaded to ensure
the vehicle operates in a safe manner. If the vehicle does not operate in a safe
•manner, immediately recheck the GVWR calculations to ensure that the QTAC
unit is not overloading your vehicle. If the unsafe operation cannot be corrected,
do not carry your QTAC in this fashion.
•When carrying your QTAC unit on the rear rack of an ATV or in the bed of a UTV,
avoid steep side slopes. If an uphill must be traversed, it is recommended that
you back your ATV or UTV up the uphill to avoid the front wheels lifting on the
uphill.

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OPERATING YOUR QTAC
Before Starting Up Your QTAC
•Always wear appropriate eye, ear, and body protection when operating your
QTAC unit.
•Ensure that your QTAC has sufficient water in the water tank prior to operation.
The water level can be checked by viewing the water tank site gauge located on
the side of the water tank (Figure 1, Item 5) If the water tank is low on water,
open the water tank fill lid (Figure 1, Item 2) and fill the water tank with water.
•Check the pump engine fuel (Figure 3, Item 3) and oil levels (Figure 3, Item 7) as
needed, fill the pump engine with fuel and oil as specified in the engine manual
that came with your QTAC. For more information, see the Pump Operation
Manual and the Honda Owner’s Manual.
•Prime the pump as needed by removing the plug at the pump prime port and
filling the pump head with clean water (Figure 2, Item 1) If the pump has been run
recently with plain water, this step will likely not be needed as the pump will retain
its prime for some time. For more information, see the Pump Operation Manual.
PUMP OPERATION
Tank Fill Requirements:
MAX FILL PRESSURE: 100 PSI
MAX FILL RATE: 150 GPM
Tank Fill Through the Fill Tower
1. Open the water fill lid and fill the tank. (Figure 1, Item 2)

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Starting the Engine
1. Ensure that the engine has a sufficient amount of fuel in the gas tank. (Figure 3,
Item 3)
2. Turn the Engine switch to the on position. (Figure 3, Item 6)
3. If the Honda engine is cold, apply the choke. (Figure 3, Item 1)
4. Prime the pump engine with fuel by pumping the carburetor fuel primer. (Figure 3,
Item 2)
5. Pull the hand starter cord until the engine starts. (Figure 3, Item 4)
6. Apply throttle (Figure 3, Item 5) and decrease the choke until it is no longer
needed. The output of the pump is regulated by how much throttle is applied, as
well as the shut-off at the nozzle.
Pumping Using the Tank Water Supply
1. The pump intake selection valve should be open to pull water from the tank.
(Figure 2, Item 2)
2. Start the engine (see previous page)
3. Water can now be discharged through the discharge hose.
DRAFT PROCEDURES
Drafting From an Auxiliary Water Source
Your QTAC has the ability to draft water from an auxiliary water source. The operator
can draft straight into the pump and out a discharge line, bypassing the tank

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Pumping While Drafting From an Auxiliary Water Source
1. Connect the draft hose; Remove the Camlock cap covering the draft hose port. Secure
the draft hose Camlock coupling to the draft hose port. (Figure 2, Item 3)
2. The pump intake selection valve should be set to pull water from draft port.
(Figure 2, Item 2)
3. Place the brass foot valve connected to the end of the draft hose into the water
source. For faster priming submerge and fill the draft hose. Make sure not to place
the foot valve in mud or dirt, as it will suck debris into the pump. Always elevate
the valve off the bottom of the water source to reduce the chances of debris
intake.
4. Open the hose reel nozzle slightly to ensure that water is allowed to run through
the pump after the engine is started.
5. Start the engine (see Page 9) and increase the throttle setting until you see water
entering the draft hose and being pulled into the pump head.
6. Use the discharge line to carry out suppression operations.
NOTE: The 20S is equipped with a cooler line, that returns water to the tank from
the discharge port, while drafting, the tank will eventually fill and overflow.
STOPPING YOUR QTAC
1. If opened, gradually close the shut-off valve at the end of the discharge hose
2. Decrease the throttle on the pump engine to the idle position (Figure 3, Item 4).
3. Set the engine switch to the “OFF” position (Figure 3, Item 6)

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STORING YOUR QTAC
General Storage
•Drain the fuel from the pump engine carburetor and fuel tank. See the Honda
Owner’s Manual for additional details.
•Drain any water from the water tank by opening all the valves, and the water tank
drain port (Figure 1, Item 7)
•Drain the water from the pump by opening the pump drain port (Figure 2, Item 5)
See the pump Instruction Manual for additional details.
NOTE: If your QTAC will be subjected to below freezing temperatures, ensure
that all water is drained from the water tank, pumping system, and hoses. Store
with all valves in the open position. If you would like to keep water in your QTAC
in below freezing temperatures, make sure to add an appropriate amount of RV
antifreeze to the water to prevent the formation of ice.
SPECIAL QTAC OPERATION
Using More Than Water in Your QTAC
If substances other than plain water have been used in the tank of your QTAC (e.g.
foam, pesticides, etc.), always clean and rinse the unit with clean water as soon as you
can after these chemicals have been used, until all traces of the chemicals have been
removed. Failure to flush the system in this manner can result in premature pump seal
failure, significant corrosion of the pump metal components, and build-up of chemical
byproducts in the tank and throughout the pumping system.
NOTE: Running substances other than plain water can cause significant foaming
to occur in the pumping system –if the pump has been run out of water with a
foaming agent in the tank, the pump will likely need to be primed on subsequent
water tank refills to remove the foam and to develop proper pressure.

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Remove the cap from the pump primer port and fill the pump as needed (Figure
2, Item 3) with clean water. Ensure that all the foam has been forced from the
pump by continually pouring water into the primer port until all foam has been
displaced.
SERVICING YOUR QTAC
Cleaning Your QTAC
Your QTAC water tank is best cleaned with plain water. If additional cleaning power is
needed, a small amount of dish or car washing soap may be used. Avoid heavy
washing of the pump engine and surrounding area. Avoid the use of high pressure
spray on the water tank as the decals and rubber components may be damaged.
Protecting Your QTAC
Your QTAC is built of welded UV-stabilized copolymer polypropylene red plastic.
However, like any colored material, extended exposure to direct sunlight can eventually
fade the finish of the tank, hoses, hose reel and even the Honda engine. To keep this
from happening, cover the QTAC if it is stored outside and in direct sunlight. Also,
consider using a UV inhibitor on the plastic and rubber parts after washing the system,
such as 303 Aerospace UV Protectant.
Routine QTAC Maintenance
With the exception of the pump and pump engine, your QTAC requires no special
maintenance. For maintenance of the pump and pump engine, see the appropriate
manuals.
TROUBLESHOOTING YOUR QTAC
The Pump Engine Will Not Start
•Ensure that the engine switch is in the “ON” position.

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•Ensure that the engine throttle is open slightly from the idle position.
•Adjust the choke. If the engine is cold, full choke will likely be needed.
•Ensure that fuel exists in the fuel tank.
•Pump the priming bulb on the carburetor to ensure fuel is in the carburetor.
•For further troubleshooting information, see the Honda Owner’s Manual
The Pump Will Not Build Water Pressure
•Ensure that the pump engine is running and operating at a sufficient speed.
•Ensure that there is sufficient water in the water tank. There should be enough
water in the water tank so that the water level is visible in the water tank site
gauge (Figure 1, Item 5)
•Unless the draft hose kit is in use, ensure that the pump intake selection valve is
open so that the pump is drawing water from the water tank and not from the
draft port (Figure 2, Item 7).
•Ensure that the pump drain port plug is properly tightened and sealed (Figure 2,
Item 5).
•Ensure that the pump is properly primed with water. Remove the cap from the
pump prime port and fill the pump as needed (Figure 2, Item 1). If foaming
mixtures have been used in your QTAC recently, ensure that all the foam has
been forced from the pump by continually pouring water into the prime port until
all the foam has been displaced.
•Check the piping on the suction side of the pump to ensure that no air leaks are
present.
•For further troubleshooting information, see the pump Instruction Manual.
Water Will Not Discharge From The Discharge Hose
•Ensure that the pump engine is running and operating at a sufficient speed.

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•Ensure that water pressure is available at the discharge hose port. This can be
checked by removing the hose connection at the discharge hose port.
•Check for hose kinking in the discharge hose.
•Ensure that the discharge hose shut-off valve is open.
•Ensure that the discharge hose nozzle is open.
The Pump Engine Runs Erratically
•Ensure that the engine has adequate fuel. Low fuel levels and operation over
rough and/or sloping terrain can cause the engine to momentarily run out of fuel.
•If the fuel has been stored for any length of time (and it has not been stabilized),
drain the fuel system and fill with fresh fuel.
•Proper engine performance is strongly dependent on a clean, lightly oiled air
filter. If the air filter is dirty or lacking oil, remove it from the air cleaner assembly,
clean with soapy warm water, rinse with fresh water and dry thoroughly. Once
dry, lightly saturate the element with clean engine oil and reassemble the air
cleaner assembly.
TECHNICAL SPECIFICATIONS
20S
Tank & Body
Fully-welded, top-grade Copolymer Polypropylene
MTECH PolyToughTM construction
Delivery Hose
5/8 inch x 50 feet industrial grade rubber (standard)
Delivery Nozzle
Brass ball valve shut-off with fully adjustable brass nozzle
Maximum Tank Capacity
20 US gal (94.6 L)
Pump Type
Koshin SEH-25L self-priming, centrifugal
Engine Type
Honda GX25 4-stroke, overhead camshaft, single
Tank to Pump
1” NPT Gated Tank to Pump
Draft Hose Port
1” Camlock

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ADDITIONAL REFERENCES
The following references are included with the shipment of your QTAC:
•Koshin SEH-25L Instruction Manual
•Honda Owner’s Manual
We recommend that you read these manuals along with this QTAC Owner’s Manual –
the Koshin SEH-25L and Honda manuals provide additional detail for the pump and
pump engine, respectively.

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WARRANTY
GENERAL PROVISIONS - The warranty described below is provided by MTECH, Inc.
(hereinafter “MTECH”) to the original purchaser (hereinafter “Purchaser”) of new QTAC
fire suppression products (hereinafter “Product”) purchased from MTECH. Under this
warranty, MTECH will repair or replace, at its option, any covered part which is found to
be defective in material or workmanship during the applicable warranty term. Purchaser
shall provide MTECH with prompt written notice of the defect and allow reasonable time
for replacement or repair. Warranty services must be performed by MTECH, or an
MTECH designee, which will use only new or remanufactured parts or components
furnished by MTECH. Purchaser will be responsible for any service call and/or
transportation of Product to and from MTECH, or MTECH’s designee, for any premium
charged for overtime labor requested by Purchaser, and for any service and/or
maintenance not directly related to any defect covered under the warranties below.
WHAT IS WARRANTED - All parts of any Product are warranted for a period of 12
months, with the warranty term beginning on the date Product is delivered to Purchaser.
Note that some components may carry a manufacturer’s warranty – see the appropriate
component documentation for details. Warranty statements required by law covering
engine emission-related parts and components are found in the documentation
delivered with the Product.
WHAT IS NOT WARRANTED –MTECH IS NOT RESPONSIBLE FOR THE
FOLLOWING: (1) Used Products, (2) Any Product that has been altered or modified in
ways not approved by MTECH, (3) Any Product that is used in conjunction with non-
QTAC approved devices or equipment to perform tasks, (4) Any Product that is
mounted or secured in ways not approved by MTECH, (5) The vehicle or device used to
transport or house the Product, (6) Depreciation or damage caused by normal wear,
lack of reasonable and proper maintenance, failure to follow operating instructions,
misuse, lack of proper protection during storage, or accident, (7) Normal maintenance
parts, lubricants, and service, (8) Exposure of Product to non-approved contents and

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environments, including, but not limited to, fuel, chemical agents, industrial effluents,
and extreme temperatures.
SECURING WARRANTY SERVICE –To secure warranty service, Purchaser must (1)
Report Product defect to MTECH and request repair within the applicable warranty
term, (2) Present evidence of the warranty start date, and (3) Make Product available to
MTECH within a reasonable period of time as agreed upon with MTECH.
LIMITATION OF IMPLIED WARRANTIES AND OTHER REMEDIES –To the extent
permitted by law, neither MTECH nor any company affiliated with it makes any
warranties, representations or promises as to the quality, performance or freedom from
defect of Product covered by this warranty. IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TO THE
EXTENT APPLICABLE, SHALL BE LIMITED IN DURATION TO THE APPLICABLE
PERIOD OF WARRANTY SET FORTH IN THIS SECTION. PURCHASER’S ONLY
REMEDIES IN CONNECTION WITH THE BREACH OR PERFORMANCE OF ANY
WARRANTY ON THE PRODUCT ARE THOSE SET FORTH ON THIS PAGE. IN NO
EVENT WILL MTECH OR ANY COMPANY AFFILIATED WITH MTECH BE LIABLE
FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. (Note: Some states do not allow
limitations on how long an implied warranty lasts or the exclusion or limitation of
incidental or consequential damages so the above limitations and exclusions may not
apply to you.) This warranty gives you specific legal rights, and you may also have other
rights which vary from state to state.
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