Subaru Heat Pump 201 User Manual

PKX series  
201/301/401 201H  
201ST/301ST 201T/301T/401T  
210/310 220/320 220ST/320ST  
9ZZ9990124  
北米  
SUBARU Pump  
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PKX201,301,401, 201H,  
201ST, 301ST, 220ST, 320ST,  
210, 310, 220, 320  
5
6
6
1
1
7
8
2
1
4
5
6
4
1
2
3
2
PKX201T, 301T, 401T  
7
8
2
3
4
5
6
2
1
3
7
1
4
0.6 - 0.7 mm  
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3
2
6
2
1
3
4
5
4
7
8
1
5
2
1
1
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NOTICE  
FEDERAL EMISSION COMPONENT DEFECT WARRANTY and CALIFORNIA  
EMISSION CONTROL WARRANTY are applicable to only those engines/  
generators complied with EPA (Environmental Protection Agency) and CARB  
(California Air Resources Board) emission regulations in the U.S.A.  
NOTICE  
To the engines/generators exported to and used in the countries other than the  
U.S.A., warranty service shall be performed by the distributor in each country in  
accordance with the standard SUBARU engine/generator warranty policy as applicable.  
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FOREWORD  
Thank you very much for purchasing a SUBARU PUMP.  
This manual covers operation and maintenance of SUBARU PUMP.  
All information in this publication is based on the latest product information available at the  
time of approval for printing. Please read this manual carefully before operating.  
Please take a moment to familiarize yourself with the proper operation and maintenance  
procedures in order to maximize the safe and efficient use of this product.  
Keep this owner’s manual at hand, so that you can refer to it at any time.  
Due to constant efforts to improve our products, certain procedures and specifications are  
subjected to change without notice.  
When ordering spare parts, always give us the MODEL, PRODUCTION NUMBER and SERIAL  
NUMBER of your pump.  
Please fill in the following blanks after checking the production number on your pump.  
(Location of label is different depending on the pump specification.)  
PROD No.  
SER No.  
PROD No. / SER No.  
)
(
Label  
(
SER No. Stamping  
)
CONTENTS  
Page  
1. SAFETY PRECAUTIONS...................................................................................  
2. COMPONENTS..................................................................................................  
3. PRE-OPERATION FOR STARTING ..................................................................  
4. OPERATING YOUR PUMP ................................................................................  
5. MAINTENANCE .................................................................................................  
2
5
6
7
7
6. PREPARATIONS FOR STORAGE..................................................................... 10  
7. OIL SENSOR INSTRUCTIONS............................................................................ 10  
8. SPARK ARRESTER (OPTIONAL)...................................................................... 10  
9. EASY TROUBLESHOOTING ............................................................................. 11  
10. SPECIFICATIONS.............................................................................................. 12  
NOTE Please refer to the illustrations on the back page of the front  
cover or back cover for Fig. 1 to i indicated in the sentence.  
1
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1. SAFETY PRECAUTIONS  
Please make sure you review each precaution carefully.  
Pay special attention to statement preceded by the following words.  
“WARNING” indicates a strong possibility of severe personal injury or loss of life if  
WARNING  
CAUTION  
instructions are not followed.  
“CAUTION” indicates a possibility of personal injury or equipment damage if instructions  
are not followed.  
: EXHAUST PRECAUTIONS  
WARNING  
Never inhale exhaust gasses.  
They contain carbon monoxide, a colorless, odorless and extremely dangerous gas  
which can cause unconsciousness or death.  
Never operate the pump indoors or in a poorly ventilated area, such as tunnel, cave,  
etc.  
Exercise extreme care when operating the pump near people or animals.  
Keep the exhaust pipe free of foreign objects.  
: REFUELING PRECAUTIONS  
WARNING  
Gasoline is extremely flammable and its vapors can explode if ignited.  
Do not refuel indoors or in a poorly ventilated area.  
Be sure to stop the pump prior to refueling.  
Do not remove fuel tank cap nor fill fuel tank while engine is hot or running.  
Allow engine to cool at least 2 minutes before refueling.  
Do not overfill the fuel tank.  
If fuel is spilt, wipe it away carefully and wait until the fuel has dried before starting the  
engine.  
After refueling, make sure that the fuel cap is secured to prevent spillage.  
: FIRE PREVENTION  
WARNING  
Do not operate the pump while smoking or near an open flame.  
Do not use around dry brush, twigs, cloth rags, or other flammable materials.  
Keep cooling air intake (recoil starter area) and muffler side of the engine at least  
1 meter (3 feet) away from buildings, obstructions and other burnable objects.  
Keep the pump away from flammables and other hazardous materials (trash, rags,  
lubricants, explosives).  
1m  
: OTHER SAFETY PRECAUTIONS  
WARNING  
1m  
Be careful of hot parts.  
The muffler and other engine parts become very hot while the pump is running or just  
after it has stopped. Operate the pump in a safe area and keep children away from  
the running pump.  
Do not use diaphram pump for the mixture of water and oil.  
Do not touch the spark plug and ignition cable when starting and operating the engine.  
2
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Operate the pump on a stable, level surface.  
If the engine is tilted, fuel spillage may result.  
NOTE  
Operating the pump at a steep incline may cause seizure due to improper lubrication  
even with a maximum oil level.  
Do not transport the pump with fuel in tank or with fuel strainer valve open.  
Keep the unit dry (do not operate it in rainy conditions).  
CAUTION  
: PRE-OPERATION CHECKS  
Carefully check fuel hoses and joints for looseness and fuel leakage. Leaked fuel  
creates a potentially dangerous situation.  
Check bolts and nuts for looseness. A loose bolt or nut may cause serious engine  
trouble.  
Check the engine oil and refill if necessary.  
Check the fuel level and refill if necessary. Take care not to overfill the tank.  
Keep cylinder fins and recoil starter free of dirt, grass and other debris.  
Wear snug fitting working clothes when operating the engine.  
Loose aprons, towels, belt, etc., may be caught in the engine or drive train, causing a  
dangerous situation.  
: BEWARE OF WATER-HAMMERING  
CAUTION  
Do not allow the delivery hose to be trampled over by a vehicle’s wheel, or do not  
close the delivery valve abruptly otherwise a water-hammer occurs which may result  
heavy damage to the pump.  
STOP  
STOP  
Trampling over the delivery hose  
Abrupt closing of delivery valve  
:
PRECAUTIONS ON THE HANDLING OF THE  
WARNING LABEL  
CAUTION  
Warning labels are affixed to our engines with regard to particularly serious dangers.  
When using the engines, please use them safely after carefully reading the instruction  
manual and understanding the dangers.  
Warning Label Exclusively for the United States and Canada  
ᵵᵟᵰᵬᵧᵬᵥ  
AVERTISSEMENT  
ADVERTENCIA  
ᵥᵿᶑᶍᶊᶇᶌᶃᴾᶇᶑᴾᶃᶖᶒᶐᶃᶋᶃᶊᶗ  
ᶄᶊᵿᶋᶋᵿᶀᶊᶃᴾᵿᶌᶂᴾᶇᶒᶑᴾᶔᵿᶎᶍᶐᶑ  
ᶁᵿᶌᴾᶃᶖᶎᶊᶍᶂᶃᵌ  
Lire les INSTRUCTIONS  
POUR L'USAGE avant d’  
utiliser le moteur.  
L'essence est extrêmement  
Leer las INSTRUCCIONES  
PARA EL USO antes de utilizar  
el motor.  
La gasolina es extremadamente  
inflamable sus vapores  
pueden estallar.  
ᵰᶃᵿᶂᴾᵧᵬᵱᵲᵰᵳᵡᵲᵧᵭᵬᵱ  
ᵤᵭᵰᴾᵳᵱᵣᴾᶀᶃᶄᶍᶐᶃᴾᶓᶑᶃᵌ  
inflammable et ses vapeurs  
peuvent exploser.  
y
Arrêter le moteur avant de  
faire le plein en combustible.  
Vérifier toute présence de  
Detener el motor antes de  
hacer el lleno en combustible  
Comprobar si hay presencia  
Le moteur émet un gaz toxique  
qui peut tuer l’opérateur en  
quelques minutes.  
El motor emite un gas tóxico  
que puede matar el operador  
en algunos minutos.  
Ὁᵱᶒᶍᶎᴾᶒᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶀᶃᶄᶍᶐᶃ  
ᴾᶐᶃᶄᶓᶃᶊᶇᶌᶅᵌ  
ᵲᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶃᶋᶇᶒᶑᴾᶒᶍᶖᶇᶁᴾᶅᵿᶑ  
ᶁᵿᶌᴾᶉᶇᶊᶊᴾᶗᶍᶓᴾᶇᶌᴾᶋᶇᶌᶓᶒᶃᶑᵌᴾᴾᵢᶍ  
ᶌᶍᶒᴾᶐᶓᶌᴾᶇᶌᴾᵿᶌᴾᶃᶌᶁᶊᶍᶑᶃᶂᴾᵿᶐᶃᵿᵌ  
Ne pas utiliser le moteur dans  
No utilizar el motor en un sitio  
de fuga  
a
partir los tubos  
y
fuite  
à
partir des tuyaux et  
ᵡᶆᶃᶁᶉᴾᶄᶍᶐᴾᶊᶃᵿᶉᵿᶅᶃẅᶄᶐᶍᶋ  
un emplacement fermé.  
cerrado.  
guarniciones  
Bloquear la válvula de  
garnitures.  
ᴾᶆᶍᶑᶃᶑᴾᵿᶌᶂᴾᶄᶇᶒᶒᶇᶌᶅᶑᵌ  
Ὁᵱᶆᶓᶒᴾᶍᶄᶄᴾᶄᶓᶃᶊᴾᶔᵿᶊᶔᶃᴾᶕᶆᶃᶌ  
ᴾᶒᶆᶃᴾᶃᶌᶅᶇᶌᶃᴾᶇᶑᴾᶌᶍᶒᴾᶇᶌᴾᶓᶑᶃᵌ  
La surface chaude peut vous  
brûler.  
La superficie caliente puede  
quemarles.  
Bloquer la soupape de  
carburant quand le moteur  
n’est pas utilisé.  
ᵦᶍᶒᴾᶑᶓᶐᶄᵿᶁᶃᴾᶁᵿᶌᴾᶀᶓᶐᶌᴾᶗᶍᶓᵌ  
ᵱᶒᵿᶗᴾᵿᶕᵿᶗᴾᶇᶄᴾᶃᶌᶅᶇᶌᶃᴾᶆᵿᶑ  
ᶀᶃᶃᶌᴾᶐᶓᶌᶌᶇᶌᶅᵌ  
combustible cuando no se  
utiliza el motor.  
S’éloigner du moteur s’il est en  
marche.  
Alejarse del motor si es en  
marcha.  
For use in the United States or Canada, please affix the label suited to the region from among the enclosed warning labels.  
3
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SYMBOLS  
Shutt off fuel valve  
when the engine is not in use.  
Read manual.  
Check for leakage  
from hose and fittings.  
Stay clear of the hot surface.  
Exhaust gas is poisonous.  
Do not operate in an unventilated  
room or enclosed area.  
Fire, open flame and smoking  
prohibited.  
HOT, avoid touching the hot area.  
Stop the engine before refueling.  
USA and CANADA only  
The engine emits toxic gas  
can kill you in minutes.  
Do not run in an enclosed area.  
Hot surface can burn you.  
Stay away if engine has  
been running.  
Read INSTRUCTIONS  
FOR USE before use.  
Gasoline is extremely flammable and its vapors can explode.  
• Stop the engine before refueling.  
• Check for leakage from hoses and fittings.  
• Shut off fuel valve when the engine is not in use.  
Engine start  
On (Run)  
Primer  
Fuel (gasoline)  
Fuel (diesel)  
Fuel shut-off  
(Electric start)  
Off (Stop)  
Engine stop  
Cold engine  
Warm engine  
Push primer  
Do not push primer  
Two times  
D
Engine oil  
Add oil  
Battery  
Fast  
Fuel system  
failure / malfunction  
Electrical preheat  
(Low tem-perature start aid)  
Choke  
Plus ;  
positive polarity  
Run position  
Stop position  
Minus ;  
negative polarity  
Slow  
4
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2. COMPONENTS  
(See Fig. 1)  
NOTE Please refer to the illustrations on the back page of the front  
cover or back cover for Fig. 1 to i indicated in the sentence.  
CENTRIFUGAL PUMP (PKX201, 301, 401, 201H, 210, 310, 220, 320)  
SEMI TRASH PUMP (PKX201ST, 301ST, 220ST, 320ST)  
(See Fig. 1-q)  
!Strainer  
qPlug (drain)  
wSuction  
eDelivery  
rFrame  
!Casing cover  
@Cushion rubber  
@Hose coupling *1  
@Hose band  
!Drain plug (at two places)  
!Stop Switch  
!Recoil starter  
@Tools  
tPlug (priming)  
yMuffler  
!Recoil Starter handle  
!Fuel valve  
@Instruction for use  
(This publication)  
uSpark plug  
!Chocke lever  
iOil filler (with oil guage)  
oFuel tank  
!Air cleaner  
!Speed control lever  
*1 Except PKX220, 320, 220ST, 320ST  
TRASH PUMP (PKX201T, 301T, 401T)  
@Strainer  
(See Fig. 1-w)  
@Cushion rubber  
@Hose coupling  
@Hose band  
@Tools  
qPlug (drain)  
wCasing  
!Fuel tank  
!Delivery  
eSuction  
rFrame  
!Knob  
!Oil filler (with oil guage)  
!Stop switch  
!Recoil Starter  
!Recoil Starter handle  
!Fuel valve  
@Instruction for use  
tPlug (priming)  
yMuffler  
(This publication)  
uAir cleaner  
iSpark plug  
oDrain plug (at two places) !Chocke lever  
!Casing cover @Speed control lever  
5
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3. PRE-OPERATION FOR STARTING  
(See Fig.  
)
2
1. CONNECT SUCTION HOSE  
(See Fig. 2 q)  
4. CHECK FUEL (See Fig. 2  
-t)  
-
WARNING  
Use a reinforced-wall or wire braided hose to prevent suction  
collapse.  
Do not refuel while smoking, near an open flame  
or other such potential fire hazards. Otherwise  
fire accident may occur.  
Since the pump self-priming time is directly proportional to  
hose length, a short hose is recommended.  
CAUTION  
NOTE  
Always use a strainer with the suction hose. Gravel  
or debris sucked into the pump will cause serious  
damage to the impeller and the pump casting.  
THIS ENGINE IS CERTIFIED TO OPERATE ON  
AUTOMOTIVE UNLEADED GASOLINE.  
Stop the engine and open the cap.  
Use unleaded automotive gasoline only.  
• Unleaded regular/premium or reformulated gasoline  
containing no more than 10% Ethanol (E10), or 15%  
MTBE may also be used.  
2. CONNECT DELIVERY HOSE  
(See Fig. 2-w)  
When using a fabric hose, always use a hose band to prevent  
the hose from disconnecting under high pressure.  
• Never use gasoline containing ethanol exceeding  
10%, or MTBE exceeding 15% because engine or  
fuel system damage could result.  
3. CHECK ENGINE OIL (See Fig. 2-r)  
• Never use stale or contaminated gasoline.  
• Use of these non-recommended fuels may result in  
reduced performance and/or denial of warranty.  
Before checking or refilling engine oil, be sure the engine is  
located on stable, level surface and stopped.  
Fuel Tank Capacity  
Do not screw the oil gauge into the oil filler neck to check  
oil level. If the oil level is low, refill to the upper level with  
the following recommended oil.  
Refer to “10. SPECIFICATIONS” Page 12 or 13 for fuel tank  
capacity  
Close the fuel valve before filling the fuel tank.  
Explanation of Fig.3-q  
Use 4-stroke automotive detergent oil ofAPI service class  
SE or higher grade (SG, SH or SJ is recommended).  
Select the viscosity based on the air temperature at the  
qMaximum Fuel level  
time of operation as shown in the table. (See Fig.2-e)  
Do not fill above the top of the fuel filter screen (marked q),  
or the fuel may overflow when it heats up later and expands.  
Explanation of Fig.2  
-r  
When filling the fuel tank, always use the fuel filter screen.  
qOil Gauge  
Reattach the fuel cap by turning clockwise until reaching  
the physical stop (about one quarter turn). Do not attempt  
to turn past the physical stop or the fuel cap may be  
damaged.  
wUpper Level  
eLower Level  
Oil capacity  
Liter (U.S. gal)  
Model  
Wipe off any spilled fuel before starting the engine.  
PKX201, PKX301, PKX201H,  
PKX201ST, PKX301ST,  
PKX201T, PKX210, PKX310  
PKX220, PKX320,  
(See Fig.2-y)  
0.6 (0.16)  
5. CHECK PRIMING WATER  
(See Fig. 2-u)  
PKX220ST, PKX320ST  
It is recommended that the water chamber of pump casing  
should be primed with full of water before operating.  
PKX401, PKX301T  
PKX401T  
1.1 (0.29)  
1.2 (0.32)  
WARNING  
Never attempt to operate the pump without priming  
water or the pump will overheat. Extended dry  
operation will destroy the mechanical seal.  
If the unit has been operated dry, stop the engine  
immediately and allow the pump to cool before  
adding priming water.  
6
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4. OPERATING YOUR PUMP  
1. STARTING (See Fig.  
                                 
3
                                 
)
3. STOPPING (See Fig. 5)  
(1) Set the speed control lever at the low speed position and  
allow the engine to run at low speed for 1 or 2 minutes  
before stopping.  
(1) Open the fuel valve. (See Fig.3  
-q)  
(2) Turn the STOP SWITCH to the position “ ” (ON).  
I
(See Fig.3-w)  
(See Fig.5-q)  
(3) Set the speed control lever 1/3 of the way towards the  
(2) Turn the STOP SWITCH counterclockwise to the position  
” (OFF). (See Fig.5-w)  
high speed position. (See Fig.3-e)  
(3) Close the fuel valve. (See Fig.5-e)  
(4) Close the choke lever. (See Fig.3-r)  
(4) Pull the starter handle slowly and return the handle to its  
original position when resistance is felt. This operation is  
necessary to prevent outside moist air from intruding  
into the combustion chamber. (See Fig.5-r)  
If the engine is cold or the ambient temperature is low,  
close the choke lever fully.  
If the engine is warm or the ambient temperature is high,  
open the choke lever half-way, or keep it fully open.  
(5) Pull the starter handle slowly until resistance is felt. This  
is the “compression” point. Return the handle to its  
original position and pull swiftly. Do not pull out the rope  
all the way. After starting the engine, allow the starter  
handle to return to its original position while still holding  
the handle. (See Fig.3-t)  
STOPPING ENGINE WITH THE FUEL VALVE  
Close the fuel valve and wait for a while until the engine stops.  
Avoid to let the fuel remain in the carburetor over long periods,  
or the passages of the carburetor may become clogged with  
impurities, and malfunctions may result.  
(6) After starting the engine, gradually open choke by turning  
the choke lever and finally keep it fully opened. Do not  
fully open the choke lever immediately when the engine  
is cold or the ambient temperature is low, because the  
engine may stop. (See Fig.3-y)  
5. MAINTENANCE  
(See Fig.  
)
6
MAINTENANCE, REPLACEMENT, OR REPAIR OF THE  
EMISSION CONTROL DEVICES AND SYSTEMS MAY BE  
PERFORMED BY ANY NONROAD ENGINE REPAIR  
ESTABLISHMENT OR INDIVIDUAL.  
2. RUNNING (See Fig. 4)  
(1) After the engine starts, set the speed control lever at the  
low speed position (L) and warm it up without load for a  
few minutes.  
1. DAILY INSPECTION  
Before running the engine, check the following service items.  
(See Fig.4-q)  
q Loose or broken bolts and nuts  
w Clean air cleaner element  
e Enough clean engine oil  
r Leakage of gasoline and engine oil  
t Enough gasoline  
(2) Gradually move the speed control lever toward the high  
speed position (H) and set it at the required engine speed.  
(See Fig.4-w)  
Whenever high speed operation is not required, slow the  
engine down (idle) by moving the speed control lever to  
save fuel and extend engine life.  
y Safe surroundings  
u Check the priming water  
i Excessive vibration, noise  
7
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4. ENGINE OIL CHANGE (See Fig.  
                                                                                       
7-w,  
                                                                                       
                                                                                          
                                                                                          
                                                                                             
e)  
                                                                                             
2. PERIODIC INSPECTION  
CAUTION  
Periodic maintenance is vital to the safe and efficient operation  
of your pump.  
Replace rubber pipes for fuel passage every two  
years. If fuel leakage is found, replace the pipe  
immediately.  
Check the table below for periodic maintenance intervals.  
IT IS ALSO NECESSARY FOR THE USER OF THIS PUMP  
TO CONDUCT THE MAINTENANCE AND ADJUSTMENTS  
ON THE EMISSION-RELATED PARTS LISTED BELOW TO  
KEEP THE EMISSION CONTROL SYSTEM EFFECTIVE.  
3. INSPECTING THE SPARK PLUG  
(See Fig.7-q)  
(1) Clean off carbon deposits on the spark plug electrode  
using a plug cleaner or wire brush.  
The emission control system consists of the following parts :  
(1) Carburetor and internal parts  
(2) Check electrode gap. The gap should be 0.6 mm to 0.7  
mm (0.02 inch. - 0.03 inch.). Adjust the gap, if necessary,  
by carefully bending the side electrode.  
(2) Cold start enrichment system, if applicable  
(3) Intake manifold, if applicable  
Model  
Recommended Spark Plug  
(4) Air cleaner elements  
PKX201, PKX301, PKX401  
PKX201H  
PKX201ST, PKX301ST  
PKX201T, PKX301T, PKX401T  
(5) Spark plug  
NGK BR-6HS  
(6) Magneto or electronic ignition system  
(7) Spark advance/ retard system, if applicable  
(8) Exhaust manifold, if applicable.  
(9) Hoses, belts, connectors, and assembles  
PKX210, PKX310  
PKX220, PKX320  
TORCH E6RC  
PKX220ST, PKX320ST  
The maintenance schedule indicated in the following table is  
based on the normal engine operation.  
Initial oil change  
Thereafter  
: After 20 hours of operation  
: Every 100 hours of operation  
Should the engine be operated in extremely dusty condition  
or in heavier loading condition, the maintenance intervals must  
be shortened depending on the contamination of oil, clogging  
of filter elements, wear of parts, and so on.  
(1) When changing oil, stop the engine and loosen the drain  
plug. Drain the used oil while the engine is warm. Warm  
oil drains quickly and completely.  
Periodic Maintenance Schedule table  
Every 8 hours  
(Daily)  
Every 50 hours  
(Weekly)  
Every 200 hours  
(Monthly)  
Every 500 hours Every 1000 hours  
Maintenance Items  
Clean pump set and check bolt and nuts  
Check for leakage from hoses and fitting  
Check and refill engine oil  
(Daily)  
(Daily)  
(Refill daily up to upper level)  
(Initial 20 hours) (Every 100 hours)  
Change engine oil (*Note 1)  
Clean spark plug  
(Every 100 hours)  
Clean air cleaner  
Clean spark arrester (Optional part)  
Replace air cleaner element  
Clean fuel cup  
(Every 100 hours)  
Clean and adjust spark plug and electrodes  
Replace spark plug  
Remove carbon from cylinder head (*Note 2)  
Check and adjust valve clearance (*Note 2)  
Clean and adjust carburetor (*Note 2)  
Replace fuel lines  
(Every 2 years)  
Overhaul engine if necessary (*Note 2)  
*Note 1: Initial oil change should be performed after first twenty (20) hours of operation. Thereafter change oil every hundred  
(100) hours. Before changing oil, check for a suitable way to dispose of old oil. Do not pour it down into sewage drains,  
onto garden soil or into open streams. Your local zoning or environmental regulations will give you more detailed instructions  
on proper disposal.  
*Note 2: As to the procedures for these items, please refer to the SERVICE MANUAL or consult your nearest service dealer.  
8
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For EX27/40 urethane foam, remove it from the paper  
element and wash it thoroughly with detergent. Then  
CAUTION  
To prevent injury, pay attention to the hot oil.  
Make sure the fuel cap is tightly secured to avoid  
spillage.  
dry it before installing. (See Fig.7-y-w)  
For the paper element, clean by blowing on it with  
compressed air from the inside or tapping on it gently  
to remove dirt. Change the paper element when doing  
this fails to remove the dirt.  
(2) Re-install the drain plug before refilling oil.  
(See Fig.7-y-q)  
Oil capacity  
Model  
Liter (U.S. gal)  
Clean and replace air cleaner elements more often  
when operating in dusty environments.  
PKX201, PKX301, PKX201H,  
PKX201ST, PKX301ST,  
PKX201T, PKX210, PKX310  
PKX220, PKX320,  
0.6 (0.16)  
PKX220ST, PKX320ST  
7. FUEL HOSE REPLACEMENT (See Fig.7-u)  
PKX401, PKX301T  
PKX401T  
1.1 (0.29)  
1.2 (0.32)  
WARNING  
Take extreme caution when replacing fuel  
hose ; gasoline is extremely flammable.  
(3) Refer to page 6 for the recommended oil.  
Always use the best grade and clean oil. Contaminated  
oil, poor quality oil and shortage of oil cause damage to  
engine or shorten the engine life.  
Replace the fuel hose every 1,000 hours or every 2 years.  
If fuel leaks from fuel hose, replace the fuel hose immediately.  
5. CLEANING FUEL CUP (See Fig. 7  
-r)  
8. CHECKING BOLTS, NUTS AND SCREWS  
Flame Prohibited  
WARNING  
Retighten loose bolts and nuts.  
(1) Inspect fuel cup for water and dirt.  
Check for fuel and oil leaks.  
(See Fig.7-r-q)  
Replace damaged parts with new ones.  
(2) To remove water and dirt, close the fuel valve and  
remove the fuel cup.  
9. CLEANING PUMP INSIDE  
(3) After removing dirt and water, wash the fuel cup with  
kerosene or gasoline. Reinstall securely to prevent  
leakage.  
Turn the knob counterclockwise and open the casing  
cover holder.  
Pull the casing toward you, and then remove the casing  
and the inner casing.  
6. CLEANING AIR CLEANER  
Clean the inside of pump casing and casing cover with  
clean water.  
(See Fig.7-t,y)  
A dirty air cleaner element will cause starting difficulty, power  
loss, engine malfunctions, and shorten engine life extremely.  
Always keep the air cleaner element clean.  
10. HIGH ALTITUDE ENGINE OPERATION  
Please have an authorized SUBARU Industrial Power  
Products dealer modify this engine if it is to be run  
continuously above 5000 feet (1500 meters). Failure to  
do so, may result in poor engine performance, spark  
plug fouling, hard starting, and increased emissions.  
Flame Prohibited  
WARNING  
(1) Urethane Foam Element Type  
Carburetor modification by an authorized SUBARU  
(See Fig.7-t)  
Industrial Power Products dealer will improve  
performance and allow that this engine meets EPA  
(Environmental Protection Agency) and California ARB (Air  
Resources Board) emission standards throughout its useful  
life.  
Remove the element and wash it in washing oil  
(kerosene). Then saturate it in engine oil and squeeze  
it firmly before installing. (See Fig.7-t-q)  
(2) Urethane Foam Dual Element Type  
An engine converted for high altitudes can not be run at  
(See Fig.7-y)  
5000 feet or lower. In doing so, the engine will overheat  
and cause serious engine damage.  
For EX13/16/17 urethane foam, remove it from the  
Please have an authorized SUBARU Industrial Power  
Products dealer restore high altitude modified engines  
to the original factory specification before operating  
below 5000 feet.  
paper element and wash it in washing oil (kerosene).  
Then saturate it in engine oil and squeeze it firmly  
before installing. (See Fig.7-y-w)  
9
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-q)  
Drain all water from the drain plug.  
                          
                          
6. PREPARATIONS FOR STORAGE 8. SPARK ARRESTER  
1. WATER (See Fig.8  
1. SPARK ARRESTER  
(OPTIONAL)  
In a dry or wooded area, it is recommendable to use the  
product with a spark arrester. Some areas require the use  
of a spark arrester. Please check your local laws and  
regulations before operating your product.  
CAUTION  
When retightening drain plug, be sure to clean  
the drain plug and the thread of casing.  
Otherwise, the thread may be damaged.  
The spark arrester must be cleaned regularly to keep it  
functioning as designed. A clogged spark arrester:  
2. DISCONNECT THE DELIVERY HOSE  
Tilt the pump and drain all water from delivery hole. Severe  
damage to pump may result if water freezes in the pumping  
chamber.  
Prevents the flow of exhaust gas  
Reduces engine output  
Increases fuel consumption  
3. DISCHARGE FUEL (See Fig.  
8
-
e
thru r)  
Makes starting difficult  
WARNING Flame Prohibited  
CAUTION  
If you do not use the engine more than 1 month, discharge  
fuel to prevent gum in the fuel system and carburetor parts.  
If the engine has been running, the muffler  
and the spark arrester will be very hot. Allow  
the muffler to cool before cleaning the spark  
arrester.  
Remove the strainer cup, place the strainer over a  
container and open the strainer valve to discharge fuel  
from the fuel tank. (See Fig.8-e)  
Remove the drain screw of the carburetor float chamber  
How to remove the spark arrester  
1. Remove the flange bolts from the muffler cover and  
remove the muffler cover.  
and discharge fuel. (See Fig.8-r)  
4. ENGINE OIL (See Fig.8-t)  
Change the engine oil with fresh oil.  
2. Remove the special screw from the spark arrester and  
remove the spark arrester from the muffler.  
Remove the spark plug, pour about 5 cc of engine oil  
into the cylinder, slowly pull the starter handle of the  
recoil starter 2 or 3 times, and reinstall the spark plug.  
MUFFLER COVER  
DEFLECTOR  
5. CLEAN AND STORE  
Slowly pull the recoil starter handle until resistance is  
felt and leave it in that position.  
SPARK  
ARRESTER  
SCREEN  
Clean the pump thoroughly with an oiled cloth, put the  
cover on, and store the pump indoors in a well ventilated,  
low humidity area.  
MUFFLER  
SCREW  
7. OIL SENSOR INSTRUCTIONS  
Clean the spark arrester screen  
(OPTIONAL)  
Use a brush to remove carbon deposits from the spark  
arrester screen. Be careful to avoid damaging the screen.  
The spark arrester must be free of breaks and holes.  
Replace the spark arrester if it is damaged.  
1. FUNCTION OF OIL SENSOR  
The engine will stop automatically when the oil level falls  
below the safety limit. The engine cannot be started unless  
the level is raised above the prescribed limit.  
SPARK ARRESTER SCREEN  
(See Fig.2-r)  
2. RESTARTING  
(1) Fill the crankcase with oil up to the proper level.  
(2) As for restarting and operating the engine, refer to  
section “4. OPERATING YOUR PUMP” on page 7.  
Check the wire connector from the engine. It must be  
connected securely to the wire from oil sensor.  
When selecting the engine oil, refer to page 6 for the  
Install the spark arrester, and muffler protector in the  
reverse order of disassembly.  
recommended oil.  
10  
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9. EASY TROUBLESHOOTING  
4. WHEN ENGINE DOES NOT START :  
1. PUMP DOES NOT RUN .  
Perform the following checks before you take the pump to  
your SUBARU Industrial Power Products dealer. If you still  
have trouble after completing the checks, take the pump to  
your nearest SUBARU Industrial Power Products dealer.  
Engine dose not start.  
(See 9.-4 “4. WHEN ENGINE DOES NOT START)  
Sticking of impeller  
(Disassemble and clean.)  
(1) Is there a strong spark across the electrode ?  
2. PUMPING VOLUME IS SMALL.  
Is the stop switch at position “ I ” (ON)?  
Sucking air at suction side.  
Remove and inspect the spark plug.  
(Check piping at suction side.)  
If the electrode is fouled, clean or replace it with new  
one.  
Drop off engine output  
(Consult your nearest dealer.)  
Remove the spark plug and connect it to the plug cap.  
Breakage of mechanical seal.  
Pull the starter handle while grounding spark plug against  
engine body. Try with a new spark plug if the spark is  
weak or there is no spark.  
(Consult your nearest dealer.)  
High suction lift (Lower.)  
Suction hose is too long or thin.  
The ignition system is faulty if there is no spark with a  
new spark plug.  
(Use a thick hose in minimum length.)  
Leak of water from water passage.  
WARNING  
(Stop leaking.)  
Wipe out spilled fuel carefully before testing.  
Clogging of foreign substance in impeller.  
Place spark plug as far away from spark plug  
hole as possible.  
(Disassemble and clean.)  
Wear of impeller.  
Do not hold spark plug by hand while pulling  
Looseness of suction chamber. (Retighten)  
recoil starter.  
Strainer is clogged. (Clean.)  
Engine speed is too low.  
(Consult your nearest dealer.)  
NOTE  
The engine with oil sensor will stop automatically when  
the oil level falls below the prescribed limit.  
Unless the oil level is raised above the prescribed limit,  
the engine will stop immediately after starting.  
3. PUMP DOES NOT SELFPRIME.  
Suction of air at suction side.  
(Check piping at suction side.)  
Insufficient priming water inside pump casing  
(2) Is there enough compression?  
(Prime fully.)  
Pull the starter handle slowly and check if resistance is  
felt. If little force is required to pull the starter handle,  
check if the spark plug is tightened firmly. If the spark  
plug is loose, tighten it.  
Imperfect tightening of drain plug.  
(Tighten the plugs completely.)  
Engine speed is too low.  
(Consult your nearest dealer.)  
(3) Is the spark plug wet with gasoline?  
Is the fuel valve opened?  
Sucking air from mechanical seal.  
(Consult your nearest dealer.)  
Choke (close choke lever) and pull the starter handle five  
or six times. Remove the plug and check if its electrode  
is wet. If the electrode is wet, fuel is well supplied to your  
engine.  
When the electrode is dry, check where the fuel stops.  
(Check the fuel intake of the carburetor.)  
In case the engine does not start with well supplied fuel,  
try using fresh fuel.  
11  
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10. SPECIFICATIONS  
MODEL  
PKX201  
PKX301  
PKX401  
PKX201ST  
PKX301ST  
Type  
Self-priming, Centrifugal pump  
Self-priming, Semi Trash pump  
Suction x Delivery  
Diameters  
50 x 50 (2 x 2)  
80 x 80 (3 x 3)  
100 x 100 (4 x 4)  
50 x 50 (2 x 2)  
80 x 80 (3 x 3)  
mm(in.)  
m(ft)  
Total Head  
30 (98)  
31 (102)  
27 (89)  
30 (98)  
28 (92)  
Maximum Delivery Volume  
Liter(U.S.gal) / min  
600 (158)  
970 (256)  
1350 (356)  
580 (153)  
930 (246)  
Suction Head  
m(ft)  
8 (26)  
Axle Seal Material  
(Mechanical Seal)  
Ceramic - carbon  
EX17  
Silicon - carbide  
Model  
Type  
EX13  
EX27  
EX13  
EX17  
Air - Cooled, 4 - cycle, OHC, Gasoline Engine  
Automotive detergent oil (API / SE or higher grade, SG, SH or SJ is recommended, SEA / 10W-30 etc.)  
Lublicant  
Oil Capacity Liter (U.S.gal)  
Fuel  
0.6 (0.16)  
1.1 (0.29)  
0.6 (0.16)  
Automotive unleaded gasoline  
Fuel Tank Capacity  
Liter (U.S.gal)  
2.3 (0.61)  
3.2 (0.85)  
5.6(1.48)  
2.3 (0.61)  
3.2 (0.85)  
Spark plug  
NGK BR-6HS  
Recoil starter  
Starting system  
Dimensioms  
486x357x399  
505x387x467  
650x457x645  
468x357x399  
505x387x467  
(L x W x H)  
mm (in.)  
kg (lb)  
(18.43x14.06x15.71)  
(19.88x15.24x18.39)  
(25.59x17.99x25.39)  
(18.43x14.06x15.71)  
(19.88x15.24x18.39)  
Net Weight  
24 (52.91)  
30 (66.14)  
51 (112.44)  
25 (55.12)  
31 (68.34)  
Standard accessories  
Engine tool kit (1set), Strainer (1pc.), Cussion rubber (1set), Hose band (3pcs.)  
0.12+0.03 mm (0.0047+0.0012 in.)  
Valve Clearance  
0
0
(Intake and Exhaust)  
Note : Adjust the valve clearance while the engine is cold.  
MODEL  
PKX201T  
PKX301T  
PKX201H  
PKX210  
PKX310  
Self-priming, Centrifugal  
High Water pump  
Type  
Self-priming, Trash pump  
Self-priming, Centrifugal pump  
50 x 50 (2 x 2) 80 x 80 (3 x 3)  
30 (98) 31 (102)  
970 (256)  
Suction x Delivery  
Diameters  
50 x 50 (2 x 2)  
80 x 80 (3 x 3)  
50 x 50 (2 x 2)  
mm(in.)  
m(ft)  
Total Head  
29 (95)  
25 (82)  
57 (187)  
Maximum Delivery Volume  
Liter(U.S.gal) / min  
700 (185)  
1190 (314)  
480 (127)  
600 (158)  
Suction Head  
m(ft)  
8 (26)  
Axle Seal Material  
(Mechanical Seal)  
Silicon - carbide  
Ceramic - carbon  
EX16  
Model  
Type  
EX17  
EX27  
EX17  
EX17  
Air - Cooled, 4 - cycle, OHC, Gasoline Engine  
Automotive detergent oil (API / SE or higher grade, SG, SH or SJ is recommended, SEA / 10W-30 etc.)  
Lublicant  
Oil Capacity Liter (U.S.gal)  
Fuel  
0.6 (0.16)  
1.1 (0.29)  
0.6 (0.16)  
Automotive unleaded gasoline  
Fuel Tank Capacity  
Liter (U.S.gal)  
3.2 (0.85)  
5.6(1.48)  
3.2 (0.85)  
Spark plug  
NGK BR-6HS  
TORCH E6RC  
505x387x467  
Starting system  
Recoil starter  
Dimensioms  
620x462x481  
690x485x537  
520x390x434  
(L x W x H)  
mm (in.)  
kg (lb)  
(24.1x18.19x18.94)  
(27.17x19.09x21.14)  
(20.47x15.35x17.09)  
(19.88x15.24x18.39)  
Net Weight  
48 (105.82)  
58 (127.87)  
32 (70.55)  
27.5 (60.63) 30 (66.14)  
Standard accessories  
Engine tool kit (1set), Strainer (1pc.), Cussion rubber (1set), Hose band (3pcs.)  
0.12+0.03 mm (0.0047+0.0012 in.)  
Valve Clearance  
0
0
(Intake and Exhaust)  
Note : Adjust the valve clearance while the engine is cold.  
• Specifications are subject to change without notice  
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MODEL  
PKX401T  
PKX220  
PKX320  
PKX220ST  
PKX320ST  
Type  
Self-priming, Trash pump  
Self-priming, Centrifugal pump  
Self-priming, Semi Trash pump  
Suction x Delivery  
Diameters  
100 x 100 (4 x 4)  
1700 (449)  
50 x 50 (2 x 2)  
80 x 80 (3 x 3)  
50 x 50 (2 x 2)  
80 x 80 (3 x 3)  
mm(in.)  
m(ft)  
Total Head  
28 (92)  
30 (98)  
28 (92)  
Maximum Delivery Volume  
Liter(U.S.gal) / min  
650 (172)  
1100 (291)  
8 (26)  
580 (153)  
930 (246)  
Suction Head  
m(ft)  
Axle Seal Material  
(Mechanical Seal)  
Silicon - carbide  
EX40  
Ceramic - carbon  
Silicon - carbide  
Model  
Type  
EX16  
EX17  
EX16  
EX17  
Air - Cooled, 4 - cycle, OHC, Gasoline Engine  
Automotive detergent oil (API / SE or higher grade, SG, SH or SJ is recommended, SEA / 10W-30 etc.)  
1.2 (0.32) 0.6 (0.16)  
Automotive unleaded gasoline  
Lublicant  
Oil Capacity Liter (U.S.gal)  
Fuel  
Fuel Tank Capacity  
Liter (U.S.gal)  
6.8 (1.8)  
3.2 (0.85)  
Spark plug  
NGK BR-6HS  
TORCH E6RC  
Starting system  
Recoil starter  
Dimensioms  
745x560x625  
489x385x410  
505x387x467  
489x385x410  
505x387x467  
(L x W x H)  
mm (in.)  
kg (lb)  
(29.33x22.05x24.61)  
(19.25x15.16x16.14)  
(19.88x15.24x18.39)  
(19.25x15.16x16.14)  
(19.88x15.24x18.39)  
Net Weight  
79 (174.2)  
25 (55.12)  
30 (66.14)  
26 (57.32)  
31 (68.34)  
Engine tool kit (1set),  
Strainer (1pc.),  
Hose band (3pcs.)  
Standard accessories  
Engine tool kit (1set), Strainer (1pc.), Cussion rubber (1set), Hose band (3pcs.)  
0.12+0.03 mm (0.0047+0.0012 in.)  
Valve Clearance  
0
0
(Intake and Exhaust)  
Note : Adjust the valve clearance while the engine is cold.  
• Specifications are subject to change without notice  
13  
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ISSUE EMD-PU7368  
PRINTED IN JAPAN  
April 2012  
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