TOHATSU V20E User manual

TOHATSU PORTABLE FIRE PUMPS
OWNER’S MANUAL
Model
V20E(S) / V20D2(S)
Original instructions
TOHATSU CORPORATION
Date of print: 2016.10
Date of publication: 2016.9
003-12061-2

APPLICATIONS OF THIS FIRE PUMP
USAGE
TOHATSU fire pumps ” V20E(S) / V20D2(S)” are manufactured for use in fire fighting
operations.
These portable fire pumps are intended only for fire fighting activities in collaboration
with general public fire extinguishing equipment.
Using it for other applications is regarded as being used for improper purposes.
The manufacturer of these fire pumps bears no responsibility for any damages that may
result from modification of the fire pump without prior permission from the manufacture,
improper use of the fire pump, or use of the fire pump for applications other than those
stated above.
Note that use these fire pumps for applications other than those stated above can result
in personal injury or damage to the equipment.
Using these fire pumps within the range of intended uses implies that the user should
follow the instructions provided by the manufacturer relevant to operation, servicing and
maintenance.

Intended people
All persons who operate, services or maintains this fire pump must read and understand
the following items:
･Owner’s manual
･Safety-related instructions described in each chapter or section of owner’s manual.
The portable pump should be operated by only persons who received training as
operators of fire engines along with each country’s (region’s) regulations.
The range of personal responsibility and supervision must be strictly defined by the user.
If a person does not have adequate professional knowledge which is required for his/her
assignment, he/she must undergo relevant training or receive appropriate instructions
from an individual who is actually knowledgeable in operation of this fire pump.
A person who does not have enough knowledge is not permitted to operate this fire
pump.
When using this fire pump, conditions under which an explosion may occur are not
considered.
Keep this manual in a safe place for further reference.
Operators of this fire pump must always refer to all the relevant
manuals in order to avoid errors, personal injuries and
equipment damage when operating the portable fire pump, and
to maintain faultless operation.
Arrange owner’s manual so that operators can refer to them
where they operate the fire pump.
CAUTION

INTRODUCTION
Thank you for purchasing the TOHATSU Fire Pump.
This fire pump has passed a range of quality assurance standards.
Owner’s manual
This portable fire pump complies with relevant laws and regulations.
This manual includes a description for operation and maintenance. Before using this fire
pump, be sure to read and understand this manual thoroughly.
Engine operation
This manual also includes a description for operation and maintenance of the engine.
This manual is an important item that goes with your portable fire
pump.
This manual should accompany this fire pump if sold to another
person.
NOTE

MANUFACTURER AND AFTER-SALES SERVICE ADDRESS
Before using this fire pump, write down the serial number in the following boxes.
This will be useful when you inquire about servicing, repairs and genuine parts.
TOHATSU CORPORATION
Address :3-5-4 Azusawa, Itabashi-ku, Tokyo, JAPAN
FAX :[phone]
Phone :[phone]
Serial Number
(Identification Number)
The pump serial number is marked on the pump casing.

GENERAL SAFETY INFORMATION
Overview
Before operating the TOHATSU fire pump thoroughly read
this manual. Understanding proper operation procedures
including “DANGER”,”WARNING”,“CAUTION” and “NOTE”.
These notices are designed to bring attention to very
important information necessary to ensure safe, trouble free
operation.
Warning sign
Meaning
This sign is used for safety-related instructions in this
manual.
Be sure to follow all safety-related instructions, otherwise
personal injury may occur.
Signal words Failure to observe will result in severe personal injury or
death, and possibly property damage
Failure to observe could result in severe personal injury or
death.
Failure to observe could result in personal injury or property
damage.
･This instruction provides special information to facilitate the use or maintenance of the
pump or to clarify important points.
･For attaching position of the warning label, refer to the contents “3 LABELS”.
･Warning labels should be read clearly at any time.
If the display of the warning label becomes difficult to be read, it was almost
come off, you must replace paste immediately.
Safety-related instructions and warning signs
Read and follow the safety-related instructions described in this manual and all warning
signs on the portable fire pump thoroughly.
Always keep the warning signs in a legible condition. If any warning sign becomes
illegible or detached, replace it immediately.

Transporting the portable fire pump
When transporting the portable fire
pump, assign one person per handle.
Also, when you transport the portable
fire pump, it should be transported
holding the handle firmly.
There is a risk of injury to the leg by fall.
Durability of protection
When you purchase a new pump, it is placed in packing box and protected.
Storage of pump after transportation
Keep the pump away from high humidity, and place it on a horizontal plane.
Disposal of packing box
Dispose the packing box by following the environmental laws.
Wear proper hearing protection during
operation.
Exhaust gas
Exhaust gas emitted from the engine contains carbon monoxide
(CO) etc. that may seriously affect human health.
Do not operate the engine in a room, car, warehouse, tunnel or other
closed locations that have poor ventilation.
Mortal danger due to carbon monoxide (CO) poisoning.

Handling of fuel
Exercise care when handling fuel.
Failure to do so may cause fire.
Do not bring any flames near fuel.
Stop the engine before refueling fuel.
Do not smoke while refueling fuel.
Do not refill fuel in an enclosed room to avoid an explosion by fuel fumes.
If fuel spills, wipe it with a cloth or other material, and dispose of it according to relevant
laws and regulations.
Safety devices
Before operating this portable fire pump, be sure to check that all the
safety devices have been installed in the appropriate positions.
Before removing the safety devices, turn the main switch off.
Protective clothing
Protective equipment
During fire extinguishing training or normal fire fighting
services, wear normal protective clothing and equipment to
protect your body.
・Fire protective closing
・Fireproof helmet
・Fireproof protective gloves
・Fireproof protective boots

Service
Maintenance
Servicing and maintenance of this fire pump must be carried out by
only persons who have professional knowledge, who are familiar with
the device and who understand laws and regulations regarding safety
and accident prevention.
Before starting maintenance work, turn the main switch off to stop the
engine.
Disconnect the negative terminal of the battery.
Before starting maintenance work, securely place the portable fire pump on the ground.
Do not touch the exhaust pipe, the muffler and the other engine parts until these parts
will be cold enough. These parts could be very hot and will cause severe burns.
Safety devices
After protection devices (such as muffler guard) have been
disassembled as part of servicing and maintenance work,
immediately install them back to their original locations,
making sure that they are in safe secure condition.
Check the portable fire pump visually and functionally on a
regular basis.
If you find any faulty device or equipment, remove it
immediately, and repair or replace it, if necessary.
Failure to do so may cause an accident.
After it has been repaired or replaced, make sure that it
functions correctly.

Electrical equipment
Only expert electricians or trained staff members should
handle electrical equipment.
When removing the battery cable from the electrical
equipment, always disconnect the negative (-) cable first.
When installing the battery cable, be sure to connect the
positive (+) cable first before connecting the negative (-).
Do not place any metal on the top of or around the battery.
Doing so many causes a short circuit.
Use a fuse with the same specifications as the original one
when replacing it. Using a fuse that has a greater capacity
than the rated value may damage the equipment.
While engine is running, do not touch the high
voltage ignition wire attached to spark plug. This wire
carries very high voltage which will cause injury and
bodily harm.
Check the electrical equipment of the fire pump on a regular basis.

Battery
Follow any safety-related instructions shown on the battery.
The battery can generate flammable hydrogen gas that may cause an explosion.
Do not charge the battery in closed location.
Do not smoke around the battery.
The battery electrolyte is caustic and may cause personal
Injuries.
･Always wear protective clothing.
･Always wear protective gloves.
･Always wear protective glasses.
･Do not tilt the battery.
Doing so may cause the battery electrolyte to leak out
from the vent hole.
Disposal
Dispose of disused batteries according to relevant laws
and regulations.

Genuine parts
When replacing parts for servicing and maintenance of the
portable fire pump, only use Tohatsu genuine parts.
If genuine Tohatsu parts and accessories are not used it
may adversely affect the functioning and safety of the fire
pump. Use genuine Tohatsu parts only.
Tohatsu bears no responsibility for any personal injuries or equipment damage that may
result from use of parts or accessories obtained from outside sources.
Environmental protection measures
Dispose of oil, fuel, batteries, etc. according to relevant
environmental laws.
Do not dump waste into the ground, water, or sewerage.
Store fuel only in the specified container.
When disposing of parts, follow the correct disposal
procedure.
Water-prohibiting substance
Do not discharge water to water-prohibited substance.
Use of water
Do not pump combustible liquids, chemical or caustic liquids.

Customer Service
If any problems occur during servicing and maintenance
work of the portable fire pump, contact our Customer
Service.
Address : 3-5-4 Azusawa, Itabashi-ku, Tokyo,
Japan
Fax : [phone]
Phone : Service [phone]
/ Email tohatsu-pserv[email protected]p
Overseas section fire protection sales department
[phone]
[e-mail]

CONTENTS
1 SPECIFICATIONS ..................................................................................................1
2 OPERATING DEVICE ............................................................................................7
3 LABELS......................................................................................................................8
4 OPERATING PRECAUTIONS..............................................................................9
5 DESCRIPTION OF DEVICES ............................................................................11
6 PREPARATION FOR OPERATION ..................................................................18
7 ENGINE START ....................................................................................................22
8 PRIME AND DISCHARGE ..................................................................................26
9 ENGINE STOP.......................................................................................................34
10 MAINTENANCE AFTER OPERATION...........................................................35
11 MAINTENANCE IN COLD CONDITION ........................................................41
12 USE OF ACCESSORIES ..................................................................................45
13 PERIODICAL INSPECTION.............................................................................47
14 SERVICE & MAINTENANCE ...........................................................................50
15 TROUBLESHOOTING .......................................................................................56
16 APPENDIX............................................................................................................70
17 TOOLS AND STANDARD ACCESSORIES...................................................71
18 WIRING DIAGRAM.............................................................................................72

1
SPECIFICATIONS
Model V20E V20ES
Description Portable fire pump
Engine
Manufacturer TOHATSU CORPORATION
Model T66C
Type 2-stroke, air-cooled spark ignition engine
Bore ×Stroke 66 mm × 58 mm (2.60 in × 2.28 in)
Number of Cylinder 1
Piston displacement 198 ml
Authorized output 11.7 PS (8.6kW)
Fuel type Unleaded petrol RON91
Fuel tank capacity 3.5 L (0.92 gal)
Fuel consumption 4.9 L/h (1.29 gal/h)
Ignition C.D.I.
Spark plug NGK B7HS
Starting system Manual Starter motor and Manual
Lubrication Auto mixing
Fuel system Carburetor
Battery ------ 12V-14Ah/10Hr
Flooding bulb * 12V-35W
＊Option
1
１
１
２２
３３
４４
５５
６６
７７
８８
９
９
10
10
1111
1212
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2
SPECIFICATIONS
Model V20E V20ES
Primer
Type Rotary-vane vacuum pump (Oil less type)
Max. suction height Approx. 9 m (29.5 ft)
Pump
Type Single suction, single stage, centrifugal pump
Number of delivery outlet 1
Discharge port coupling
and Suction port coupling BSP thread 2-1/2” (male)
Pump performance
(Suction height: 3 m / 9.8 ft) 0.65 m3/min at 0.5 MPa
155 USG/min at 75 psi
0.40 m3/min at 0.7 MPa
115 USG/min at 100 psi
Dimensions and weight
Length×Width×Height 560 × 475 × 530 mm (22.0 × 18.7 × 20.9 in)
Mass (Dry) 37 kg (81.6 lbs) 43 kg (94.8 lbs)
Materials
Engine
Crankcase, Cylinder,
Cylinder head Aluminum alloy
Crankshaft Chromium-molybdenum steel
Connecting rod Chromium-molybdenum steel
Piston Aluminum alloy
Pump shaft Chromium-molybdenum steel
Muffler Steel
Pump
Pump casing,
Pump cover Aluminum alloy
Impeller Aluminum alloy
Shaft seal
Type Mechanical seal
1
１
１
２２
３３
４４
５５
６６
７７
８８
９
９
10
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1111
1212
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3
SPECIFICATIONS
Model V20D2 V20D2S
Description Portable fire pump
Engine
Manufacturer TOHATSU CORPORATION
Model T66C
Type 2-stroke, air-cooled spark ignition engine
Bore × Stroke 66 mm ×58 mm (2.60 in × 2.28 in)
Number of Cylinder 1
Piston displacement 198 ml
Authorized output 11.7 PS (8.6kW)
Fuel type Unleaded petrol RON91
Fuel tank capacity 3.5 L (0.92 gal)
Fuel consumption 4.9 L/h (1.29 gal/h)
Ignition C.D.I.
Spark plug NGK B7HS
Starting system Manual Starter motor and Manual
Lubrication Fuel mixture (gasoline 30 : engine oil 1)
Fuel system Carburetor
Battery ------ 12V-14Ah/10Hr
Flooding bulb * 12V-35W
＊Option
1
１
１
２２
３３
４４
５５
６６
７７
８８
９
９
10
10
1111
1212
13
14
15
16
17
18
13
14
15
16
17
18

4
SPECIFICATIONS
Model V20D2 V20D2S
Primer
Type Rotary-vane vacuum pump (Oil less type)
Max. suction height Approx. 9 m (29.5 ft)
Pump
Type Single suction, single stage, centrifugal pump
Number of delivery outlet 1
Discharge port coupling
and Suction port coupling JIS-B-9912 dimensions of screwed type coupling for fire hose 2-1/2”(φ82.5,5 threads per
inch, thread angle 55°)
Pump performance
(Suction height: 3 m / 9.8 ft) 0.65 m3/min at 0.5 MPa
155 USG/min at 75 psi
0.40 m3/min at 0.7 MPa
115 USG/min at 100 psi
Dimensions and weight
Length×Width×Height 555×470×532 mm (21.9 × 18.5 × 20.9 in)
Mass (Dry) 36 kg (79.4 lbs) 42 kg (92.6 lbs)
Materials
Engine
Crankcase, Cylinder,
Cylinder head Aluminum alloy
Crankshaft Chromium-molybdenum steel
Connecting rod Chromium-molybdenum steel
Piston Aluminum alloy
Pump shaft Chromium-molybdenum steel
Muffler Steel
Pump
Pump casing,
Pump cover Aluminum alloy
Impeller Aluminum alloy
Shaft seal
Type Mechanical seal
1
１
１
２２
３３
４４
５５
６６
７７
８８
９
９
10
10
1111
1212
13
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17
18
13
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5
SPECIFICATIONS
Performance Curve
V20ES
1
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6
SPECIFICATIONS
Performance Curve
V20D2S
1
１
１
２２
３３
４４
５５
６６
７７
８８
９
９
10
10
1111
1212
13
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18
13
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