TOHATSU VF21BS User manual

TOHATSU PORTABLE FIRE PUMP
OWNER’S MANUAL
Model
VF21BS
Original instructions
TOHATSU CORPORATION
Date of print:(2016.7)
Date of publication:(2016.6)
003-12067-0

Copyright © 2016 Tohatsu Corporation. All rights reserved. No part of this manual may be reproduced or
transmitted in any from or by any means without the express written permission of Tohatsu Corporation.

APPLICATIONS OF THIS FIRE PUMP
USAGE
TOHATSU portable fire pump “VF21BS” is manufactured for use in fire
fighting operations.
The portable fire pump is intended only for the firefighting 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 this fire pump bears no responsibility for any damage
that may result from modification of the fire pump without prior permission
from the manufacturer, improper use of the fire pump, or use of the fire
pump for applications other than those stated above.
Note that use of the fire pump for applications other than the stated above
can result in personal injury or damage to the equipment.
Using this fire pump 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, service or maintain the fire pump must read and
understand the following items:
• Owner’s manual
• Safety-related instructions on the pump and the other parts such as the
battery.
• The other owner’s manuals, such as battery charger.
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 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 the fire pump.
When using the fire pump, conditions under which an explosion may occur
are not considered.
Keep this manual in a safe place for future reference.
Operators of the 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

NOTE
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 the fire pump, be sure to read and understand the 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.

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, or
genuine parts.
TOHATSU CORPORATION
Address : 3-5-4 Azusawa, Itabashi-ku, Tokyo,
JAPAN FAX : [phone]
Phone : [phone]
Serial Number
The pump identification number
is marked on the pump casing.

GENERAL SAFETY INFORMATION
Overview
Before operating the TOHATSU fire pump
thoroughly read this manual. Understanding
proper operating 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,
maintenance of the pump, and clarify important points.
・For attaching position of the warning label, refer to the “CONTENT 3
LABELS”.
・Warning labels should be read clearly at any time.
If the display of the warning label becomes difficult to be read or
almost come off, you must replace the label pasted 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
Retractable handle is
folding type.
Do not put hand or finger
between top of retractable
handle and bracket.
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 falling.
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.
Do not smoke while refueling fuel.
Do not refill fuel in an enclosed room. Doing so
may cause an explosion caused 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.
• Fireproof protective clothing
• Fireproof helmet
• Fireproof protective gloves
• Fireproof protective boots
Service Maintenance
Servicing and maintenance of the fire pump must be
carried out by only the persons who have professional
knowledge, who are familiar with the devices, 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.
In the case of just after stopping the engine, 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 protective devices (such as the 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 and 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 may cause 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 will cause injury
and body 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-
[email protected].jp Overseas section
fire protection sales department
[phone]
[e-mail]

EC Declaration of Conformity (DoC)
This product conforms to certain portion of the European Parliament
directive.
DoC contains the following information;
• Name and Address of the manufacturer
• Applied community directives
• Reference standard
• Description of the product (Model name and serial number)
• Signature of the responsible person (Name / Title / Date and place of
issue)

CONTENTS
1 SPECIFICATIONS…..…………….….…....…………….….…….1
2 OPERATING DEVICE..…..….……..…………..…...….….….…4
3 LABELS….….….……..….…….….…..…...……….…….….……6
4 OPERATING PRECAUTIONS….….......…..…….….…...…….7
5 DESCRIPTION OF DEVICES…….……………......…….…….9
6 PREPARATION FOR OPERATION…….…….……….….….18
7 USE OF OPERATION PANEL……..…..….……...…….……21
8 ENGINE START..…….……….…...….…….……..….…......…26
9 PRIME AND DISCHARGE…….…..…..……..……..…….…..29
10 ENGINE STOP…..……...……….…..……..……….….....…..36
11 MAINTENANCE AFTER OPERATION….…...….………….37
12 MAINTENANCE IN COLD CONDITIONS………..……..…42
13 USE OF ACCESSORIES………….….…….……………..…47
14 PERIODICAL INSPECTION………..…….…..…….…….…..49
15 SERVICE AND MAINTENANCE….........…..…..…...……...51
16 TROUBLESHOOTING…….……………...……..…..….….….60
17 APPENDIX….…………..…...……………………….……...….64
18 TOOLS AND STANDARD ACCESSORIES….….…….….65
19 WIRING DIAGRAM……….….….….…….….…..……..……..66

1
1 SPECIFICATIONS
Model VF21BS
Description Portable fire pump
Engine
Manufacturer TOHATSU CORPORATION
Model 2WF55A
Type 4-stroke, water cooled spark ignition
engine
Bore × Stroke 55mm × 44mm (2.17in × 1.73in)
Number of Cylinder 2
Piston displacement 209 ml
Authorized output 7.3 kW
Fuel type Unleaded petrol RON91
Fuel tank capacity Approx,4.0L (1.06 gal)
Fuel consumption Approx, 3.1L/h(0.82 gal/h)
Engine oil API SF to SM SAE 10W 30/40
Engine oil tank capacity Approx, 1.0L(0.26 gal)
Engine lubrication Trochoid pump
Cooling system Water cooling
Ignition Flywheel magneto, C.D. Ignition
Spark plug NGK DCPR6E
Starting system Electric starter and Manual starter
Lubrication Wet sump
Fuel system Carburetor
Battery 12 V-12Ah/10 h
Floodlight bulb *1 12 V-55 W
*1 Option

2
1 SPECIFICATIONS
Model VF21BS
Primer
Type Rotary-vane vacuum pump (Oil less
type)
Max. suction height Approx. 9m (29.5ft)
Pump
Type Single suction, single stage, centrifugal
pump
Number of delivery outlets 1
Discharge port coupling BSP thread 2-1/2" (65mm / 2.6in) male
Suction port coupling BSP thread 2-1/2" (65mm / 2.6in) male
Pump performance
(Suction height: 3m / 9.8ft) 0.50 m
3
/min at 0.5 MPa (5.1 kgf/cm
2
)
150 USG/min at 75 psi
0.29 m3/min at 0.7 MPa (7.1 kgf/cm2)
105 USG/min at 100 psi
Dimensions and weight
Length x Width x Height
480mm × 590mm × 560mm (18.9in × 23.2in
× 22.0in)
Mass (Dry) 52kg (114.6lbs)
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 with metal
plating
Muffler Steel/Stainless
Pump
Pump casing, Pump cover Aluminum alloy
Impeller Aluminum alloy
Shaft seal
Type Mechanical seal

3
1 SPECIFICATIONS

4
2 OPERATING DEVICE
Control panel side
Front mark
Priming lever
Manual starter handle
Primer valve
Carrying handle
Engine oil filler cap
Oil level gauge
Battery
Over heat switch
Throttle lever
Pressure gauge
Fuel tank
Vacuum gauge
Floodlight projector
and battery charging
socket
Fuel tank cap
Fuel drain valve
Engine
start knob
Main switch
Fuel valve