Subaru PKX Series User manual

ＣＯＮＴＥＮＴＳ
１． SPECIFICATIONS
２． COMPONENTS
３． DISASSEMBLY
４． REASSEMBLY
５． INSPECTION and ADJUSTMENT
６． CHECK LIST BEFORE ASK SERVICE STATION
７． CHECK LIST BEFORE START
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Section Title Page

１．ＳＰＥＣＩＦＩＣＡＴＩＯＮＳ
１
ＰＫＸ２２０ ＰＫＸ３２０ ＰＫＸ２２０ＳＴ ＰＫＸ３２０ＳＴ ＰＫＸ４０１Ｔ
Type Self-priming
Trash pump
Suction x Delivery
Diameters mm（in.）
50×50（2×2） 80×80（3×3） 50×50（2×2） 80×80（3×3） 100×100（4×4）
Total Head
m（ft） 30（98）
Maximum Delivery Volume
Liter（U.S.gal）/min
650（172） 1100（291） 580（153） 930（246） 1700（449）
Suction Head
m（ft）
Axle Seal Material
(Mechanical Seal)
Model EX16 EX17 EX16 EX17 EX40
Type
Lublicant
Oil Capacity
Ｌiter（U.S.gaｌ） 1.2（0.32）
Fuel
Fuel Tank Capacity
Ｌiter（U.S.gaｌ）
6.8（1.8）
Spark plug NGK BR-6HS
Starting system
489×385×410
（19.25×15.16×16.14）505×387×467 （19.88×15.24×18.39）489×385×410 （19.25×15.16×16.14）505×387×467 （19.88×15.24×18.39）745×560×625 （29.33×22.05×24.61）
25（55.12）30（66.14）26（57.32）31（68.34）79（174.2）
Engine tool kit (1set)
Strainer (1pc)
Hose band
(
3
p
cs
)
・Specifications are subject to change without notice
Dimensions
(L×W×H) mm（in.）
Net Weight kg（lb）
Torch E6RC
Recoil starter
ＭＯＤＥＬ
ＥＮＧＩＮＥ
8（26）
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)
28（92） 28（92）
Silicon - carbide
Engine tool kit (1set), Strainer (1pc), Cussion rubber (1set), Hose band (3pcs)
ＰＵＭＰ
Standard accessories
Ceramic - carbon
Self-priming
Centrifugal pump
Self-priming
Semi Trash pump
3.2（0.85）
0.6（0.16）
Automotive unleaded gasoline

２．ＣＯＭＰＯＮＥＮＴＳ
➊ Ｐｌｕｇ（ｄｒａｉｎ） ➋ Ｓｕｃｔｉｏｎ ➌ Ｄｅｌｉｖｅｒｙ
➍ Ｆｒａｍｅ ➎ Ｐｌｕｇ（Ｐｒｉｍｉｎｇ） ➏ Ｍｕｆｆｌｅｒ
➐ Ｓｐａｒｋ ｐｌｕｇ ➑ Ｏｉｌ ｆｉｌｌｅｒ（ｗｉｔｈ ｏｉｌ ｇｕａｇｅ） ➒ Ｆｕｅｌ ｔａｎｋ
➓ Ｃａｓｉｎｇ ｃｏｖｅｒ ⓫ Ｄｒａｉｎ ｐｌｕｇ（ａｔ ｔｗｏ ｐｌａｃｅｓ） ⓬ Ｓｔｏｐ ｓｗｉｔｃｈ
⓭ Ｒｅｃｏｉｌ ｓｔａｒｔｅｒ ⓮ Ｒｅｃｏｉｌ ｓｔａｒｔｅｒ ｈａｎｄｌｅ ⓯ Ｆｕｅｌ ｖａｌｖｅ
⓰ Ｃｈｏｃｋｅ ｌｅｖｅｒ ⓱ Ａｉｒ ｃｌｅａｎｅｒ ⓲ Ｓｐｅｅｄ ｃｏｎｔｒｏｌ ｌｅｖｅｒ
２

➊ Ｐｌｕｇ（ｄｒａｉｎ） ➋ Ｃａｓｉｎｇ ➌ Ｓｕｃｔｉｏｎ
➍ Ｆｒａｍｅ ➎ Ｐｌｕｇ（ｐｒｉｍｉｎｇ） ➏ Ｍｕｆｆｌｅｒ
➐ Ａｉｒ ｃｌｅａｎｅｒ ➑ Ｓｐａｒｋ ｐｌｕｇ ➒ Ｄｒａｉｎ ｐｌｕｇ（ａｔ ｔｗｏ ｐｌａｃｅｓ）
➓ Ｃａｓｉｎｇ cover ⓫ Ｆｕｅｌ ｔａｎｋ ⓬ Ｄｅｌｉｖｅｒｙ
⓭ Ｋｎｏｂ ⓮ Ｏｉｌ ｆｉｌｌｅｒ（ｗｉｔｈ ｏｉｌ ｇｕａｇｅ） ⓯ Ｓｔｏｐ ｓｗｉｔｃｈ
⓰ Ｒｅｃｏｉｌ ｓｔａｒｔｅｒ ⓱ Ｒｅｃｏｉｌ ｓｔａｒｔｅｒ ｈａｎｄｌｅ ⓲ Ｆｕｅｌ ｖａｌｖｅ
⓳ Ｃｈａｃｋｅ ｌｅｖｅｒ ⓴ Ｓｐｅｅｄ ｃｏｎｔｒｏｌ lever
３

Take off pump case by removing 4
hexagon long bolts counter-clockwise
direction by the wrench．
Remove the pump case with the volute
casing．
Remove it when replace the volute
casing．
３．ＤＩＳＡＳＳＥＭＢＬＹ
PUMP CASE
VOLUTE CASING
４

Remove the impeller by hitting
counter-clockwise direction with soft
hammer．
Please strike not to damage the impel-
ler．
After removal of the impeller, remove
adjusting washer．
Please check quantity of adjusting
washer inside the impeller．
(Please set same quantity of adjusting
washer when you replace new impel-
ler．)
Remove the spring．
Loosen 4 hexagon socket bolts
counter-clockwise direction．
SPRING
ADJUSTING WASHER
５

Remove the flange bracket from the
main bearing cover of engine．
Remove the mechanical seal．
The mechanical seal (carbon side) is
removed together with the flange
bracket．
Remove the mechanical seal (ceramic
side) from the flange bracket．
It hooks with a minus driver or pushes
out from the back side．
Don’t re-use removed mechanical
seal．
FLANGE BRACKET
MECHANICAL SEAL
６

Set new mechanical seal correctly
(ceramic side) in the flange bracket．
Blow up air to ceramic face to avoid
any dust．
Set flange bracket through engine
shaft, then , tighten 4 hexagon socket
bolt clockwise direction with minimum
torque of 20N ・m．
Set mechanical seal (carbon side)
ceramic face and carbon face should
be set correctly．
４．ＲＥＡＳＳＥＭＢＬＹ
７

Set the spring．
Set impeller adjusting washer．
(same quantity of adjusting washer
should be set．)
Set the impeller to the engine shaft,
tighten clockwise direction by hand．
When you found defective parts ,
Please exchange for new parts．
Fasten new impeller by hitting clock-
wise direction with soft hammer．
Impeller should be fastened tightly that
it can not be loosened by hand．
Please strike not to damage the impel-
ler．
ADJUSTING WASHER
SPRING
８

Fasten pump casing to flange bracket
with 4 hexagon long bolts．Starting
from right top bolt should be tightened
with minimum torque of 20N ・m．
Pull the recoil starter to check that the
impeller is not blocked or stuck．
Check priming water．
It is recommended that the water
chamber of pump casing should be
primed with full of water before operat-
ing．
Never attempt to operate the pump
without priming water or the pump will
overheat． Extended dry operation will
destroy the mechanical seal．
Put volute casing in position to pump
casing with O-ring correctly placed．
Put pump casing to flange bracket with
correct position．
VOLUTE CASING
９

５．ＩＮＳＰＥＣＴＩＯＮ ａｎｄ ＡＤＪＵＳＴＭＥＮＴ
１０

１１

６．CHECK LIST BEFORE ASK SERVICE STATION
１２
Use "suction hose"
Ask service station
Ask service station
Burned parts inside of engine
(ask service station)
Oil sensor(
★
) is working
★
Function which
Adjust volume of engine oil
Wash air cleaner
Check or exchange plug
Add priming water
Tighten the plug
See engine operation manual
Change mechanical seal
(ask service station)
Stop water leak
Cleaning
Change impeller
(ask service station)
check suction pipe
Measure
Low derivery volume
Engine does not start
No water suction
Ask service station
Cleaning
Cleaning
check suction pipe
check and repair
Change mechanical seal
(ask service station)
No improvement even check
above items
Oil leak due to engine fall
Possible causeSymptom
Oil leak from muffler
or air cleaner
(4 stroke)
Plug is wet
Dirty air cleaner
Too much engine oil (4 stroke)
Lack of engine oil (4 stroke)
Bad engine revolution
Burned mechanical seal
Suction side hose is not "suction hose"
Clogged carburetor
Wear impeller
Air is coming into suction side
Lack of priming water in pump casing
Plug in drain part is not tight enough
Suction head is high
Suction pipe is thin or thick
Water leak from waterway
Clogged impeller
Cannot pull recoil or
is heavy
Air is coming into suction side
Decline of engine output
Damage of mechanical seal
Engine trouble due to use of old fuel.
Rusting inside of engine
Burned engine
Sticking impeller
Clogged impeller
Change fuel. If it is still in bad
condition, ask service station.
Ask service station
Make suction head lower
Make pipe thicker or thinner

７．CHECK LIST BEFORE START
Check List ～Before start ～
Check List ～Before storage ～
□ Keep the engine pump in a place out of direct sunlight after drying pump
□ Attach couplings and nipples properly
→Put packing ?
□ Attach strainer properly
□ Use delivery hose for delivery side and hard suction hose for suction side
→ No hole on the hose ?
Pull recoil starter and start engine pump !
□ Remove fuel (gasoline / Mixed gas & oil) inside of tank and carburetor
completely
□ Run engine until engine stops automatically at idling after removal of fuel
□ Wash inside of pump casing with clean water to remove dirt, sand, etc
□ Unused fuel is NOT kept more than 30days
□ Set engine pump on fiat and stable place
□ Put necessary QTY of gasoline (4 stroke) / Mixed gas & oil (2 stroke)
□ Put necessary QTY of gasoline (4 stroke)
□ Fill pump casing with water completely
□ Make engine switch "ON"
Check around you before pulling recoil starter
□ Drain water from pump casing completely
１３

Printed in Japan
2013.03