Hot Max PW20, PW30, PW40 Operator's Manual
Operator’s Manual
Water Pumps
PW20, PW30, PW40
WARNING: Do not assemble, install or operate this equipment without reading ALL of
this manual and the safety precautions and warning illustrated in this manual.
KDAR Company
15009 Manchester Rd #283
Ballwin, MO 63011
Tel: 866-939-9811
Fax: 636-922-6422
Web: www.hotmaxtorches.com
SAFETY PRECAUTIONS AND WARNINGS
PLEASE READ BEFORE USING EQUIPMENT
DANGER
DANGER indicates a potentially hazardous situation which, if not avoided, WILL, result in
death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not avoided, could result in
death or serious injury.
CAUTION
CAUTION indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate personal injury, or property damage.
WARNING—Failure to follow the instructions and warnings in this manual
may result in death, serious injury or
property damage.
The dangers, warnings, cautions and instructions found in this manual cannot
cover all possible conditions and situations that may occur. It must be understood by the operator that COMMON
SENSE AND CAUTION ARE FACTORS WHICH CANNOT BE BUILT
INTO THIS PRODUCT BUT MUST BE
SUPPLIED BY THE OPERATOR.
1. Know your water pump and how to use
it properly. When using the water pump
consider the limitations and potential
hazards.
2. The water pump must be placed on a
firm surface with sufficient support.
3. Do not overload the water pump as this
will damage or shorten the life of the
unit.
4. Always remove the spark plug or
spark plug cable before performing
maintenance to avoid accidental starting.
5. Always keep the water pumps clean
and free of oil, mud and other foreign
matter.
6. Never operate a water pump with
missing or broken parts or without
protective housing or covers.
7. Suction and discharge hoses used
with this water pump must be in good
condition Never operate the water
pump with damaged or defective
hoses.
8. Do not touch engine muffler or other
engine or water pump parts which get
hot during operation.
9. Stay alert. Do not use a water pump
while tired or under the influence of
drugs, alcohol or medication. A moment of inattention while operating
the water pump may result in serious
personal injury or death.
KDAR Company 1
SAFETY PRECAUTIONS AND WARNINGS
PLEASE READ BEFORE USING EQUIPMENT
12. Always store the water pump in a well
ventilated area. Follow the instructions in
this manual for preparing to store a water
pump. Never store fuel near the water
pump.
13. Never operate a water pump if any of the
following conditions are present.
a. Uncontrolled change in engine speed.
b. Sparking.
f. Engine misfire.
g. Excessive vibration.
h. Flame or smoke.
i. An enclosed compartment.
14. Check the unit before each use for signs
of deterioration such as worn or porous
hose, loose or missing clamps, a damaged tank or cap. Replace all defective
parts before operating the water pump.
15. The water pump should be operated, serviced and/or refueled under the following
conditions only.
a. Start and run the water pump out-
doors. Never run the water pump in
an enclosed area even if the windows and doors are opened. Avoid
areas where exhaust vapors can be
trapped. DANGER—CARBON
MONOXIDE HAZARD: The engine
exhaust contains carbon monoxide,
a poisonous, odorless, invisible gas
which, if breathed, may cause death
or personal injury.
b. Good ventilation for cooling. The
water pump is air cooled and requires appropriate air flow. Temperatures should not exceed 104° F
ambient.
c. Refuel the water pump in a well
ventilated area with sufficient light.
Allow the engine to cool for 3-4
minutes before refueling. Avoid
spills and NEVER refuel while the
water pump is running.
d. Never refuel the water pump near
open flames, sparking electrical
equipment or pilot lights
e. Never start or run the water pump
without the muffler and air filter
installed and in good condition as
they work as flame arresters in
case of backfires.
f. Never smoke near the water
pump.
17. Do not wear lose clothing or jewelry
that could get caught in the starter or
other moving parts.
18. Know how to stop the pump quickly,
and understand the operation of all controls. Never permit anyone to operate
the pump without proper instruction.
19.
20. Never insert anything through the ventilation slots, this could cause damage to
the water pump or personal injury.
21. Water pumps are heavy, use proper lifting techniques.
22. This pump is designed to pump only water that is not intended for human consumption. Other uses can result in person injury or damage to the pump or
other property. Pumping sea water, beverages, acids, chemical solutions, or any
other liquid that promotes corrosion can
damage the pump.
Pumping flammable liquids, such as
gasoline or fuel oils, can result in a
fire or explosion, causing serious injury.
23. Do not overload the pump. Use the cor-
rect pump for the application. The correct pump will do the job better and
safer at the rate for which it is designed.
24. Do not allow children to operate the
pump. Keep children and pets away
from the area of operation.
KDAR Company 2
Specifications
Engine
Engine Type
Engine Size
Max. Torque 8.0 ft-lbs @ 2500 RPM 9.6 ft-lbs @ 2500 RPM 12.4 ft-lbs @ 2500 RPM
Valve Clearance
Spark Plug
Spark Plug Gap 0.028-0.031 in 0.028-0.031 in 0.028-0.031 in
Idle Speed 1400 RPM (+200/-150) 1400 RPM (+200/-150) 1400 RPM (+200/-150)
Engine Oil
Engine Oil Capacity 0.63 Qt. (0.6 liters) 0.63 Qt. (0.6 liters) 1.15 Qt. (1.1 liters)
Fuel
Fuel Tank Capacity 1.0 Gal (3.6 liters) 1.0 Gal (3.6 liters) 1.6 Gal (6.0 liters)
Fuel Consumption .51 GPH .51 GPH .51 GPH
Cooling System Forced Air Forced Air Forced Air
Ignition System Transistorized Magneto Transistorized Magneto Transistorized Magneto
Pump
Suction Port Diameter
Discharge Port Diameter
Total Head 85 ft (26 M) 92 ft (28 M) 53 ft (16 M)
Suction Head 26 ft (8 M) 26 ft (8 M) 26 ft (8 M)
Discharge Capacity 150 gal/min (550 L/min) 264 gal/min (1000 L/min) 343 gal/min (1300 L/Min)
Max. Pressure 35.5 psi 45 psi 45 psi
Continuous Running
Time
Size
L x W x H (in) 18.3 x 14.6 x 17.1 19.9 x 14.6 x 17.1 25 x 17.5 x 24.7
Dry Weight 59.4 lbs 66 lbs 130.4 lbs
4-Stroke, Overhead Valve,
5.5 HP @ 3600 RPM,
IN: 0.15 ± 0.02 mm (cold)
EX: 0.20 ± 0.02 mm (cold)
DENSO: W20EPR-U
SAE 10W-30, API, SJ or
Gasoline, 86 Octane or
WP20 WP30 WP40
4-Stroke, Overhead Valve,
Single Cylinder
163cc
NGK: BPR6ES
SL for general use
higher
2 in (50mm) 3 in (80mm) 4 in (100mm)
2 in (50mm) 3 in (80mm) 4 in (100mm)
Apprx. 2-3 hours Apprx. 2-3 hours Apprx. 2-3 hours
Single Cylinder
6.5 HP @ 3600 RPM,
196cc
IN: 0.15 ± 0.02 mm (cold)
EX: 0.20 ± 0.02 mm (cold)
NGK: BPR6ES
DENSO: W20EPR-U
SAE 10W-30, API, SJ or
SL for general use
Gasoline, 86 Octane or
higher
4-Stroke, Overhead
Valve, Single Cylinder
8.0 HP @3600 RPM,
242cc
IN: 0.15 ± 0.02 mm (cold)
EX: 0.20 ± 0.02 mm (cold)
NGK: BPR6ES
DENSO: W20EPR-U
SAE 10W-30, API, SJ or
SL for general use
Gasoline, 86 Octane or
higher
Table 1
KDAR Company 3
Features
Features/Package Contents
WP20
• All Aluminum Pump Hous-
ing w/Ceramic Seals
• 2” Suction & 2” Discharge
Fittings
• 8700 GPM Max. Output
• 26’ Suction Head
• 85’ Total Head
• Max. Pressure 35.5 PSI
• 5.5 HP Engine @ 3600
RPM
• Low Oil Shut Off
• Spark Arrestor Muffler
• EPA Certified Engine
• Built in Fuel Gauge
• Recoil Start
• TCI Ignition
• 1 Gal Fuel Tank w/Input
Fuel Filter
• Fuel Shutoff w/Internal Fuel
Filter
• Noise Level of 67 DB @ 24
Feet
• Run Time—Approx. 2
Hours @ 50% Load
WP30
• All Aluminum Pump Hous-
ing w/Ceramic Seals
• 3” Suction & 3” Discharge
Fittings
• 15,800 GPM Max. Output
• 26’ Suction Head
• 92’ Total Head
• Max. Pressure 45 PSI
• 6.5 HP Engine @ 3600
RPM
• Low Oil Shut Off
• Spark Arrestor Muffler
• EPA Certified Engine
• Built in Fuel Gauge
• Recoil Start
• TCI Ignition
• 1 Gal Fuel Tank w/Input
Fuel Filter
• Fuel Shutoff w/Internal Fuel
Filter
• Noise Level of 67 DB @ 24
Feet
• Run Time—Approx. 2
Hours @ 50% Load
WP40
• All Aluminum Pump Hous-
ing w/Ceramic Seals
• 4” Suction & 4” Discharge
Fittings
• 20,600 GPM Max. Output
• 26’ Suction Head
• 53’ Total Head
• Max. Pressure 45 PSI
• 8.05 HP Engine @ 3600
RPM
• Low Oil Shut Off
• Spark Arrestor Muffler
• EPA Certified Engine
• Built in Fuel Gauge
• Recoil Start
• TCI Ignition
• 1.6 Gal Fuel Tank w/Input
Fuel Filter
• Fuel Shutoff w/Internal Fuel
Filter
• Noise Level of 67 DB @ 24
Feet
• Run Time—Approx. 2
Package Contents
1. Water Pump Unit
2. Operator’s Manual
3. Warranty Card
4. Spark Plug Wrench
5. Screw Driver
6. Hose Clamps (3)
7. Hose Coupler (2)
8. Hose Clamp Ring (2)
9. Sealing Washer (2)
10. Strainer
Hose
Clamps
Sealing
Washer
Clamp
Ring
Hose
Coupler
Strainer
KDAR Company 4
Hose
Fuel
Tank
Component & Control Locations
Choke
Throttle
Air
Filter
Fuel
Valve
Starter
Grip
Fuel Tank
Cap
Fuel Level
Gauge
Oil Fill Cap
& Dipstick
ON/OFF
Switch
Primer Water
Filler Cap
Discharge
Port
Intake
Port
Pump Water
Drain Plug
Muffler
Carburetor
Oil Drain
Plug
KDAR Company 5
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