Shindaiwa EB500 Owner's manual

Minimize the risk of injury to yourself and others! Read this
manual and familiarize yourself with the contents. Always
wear eye and hearing protection when operating this unit.
WARNING!
OWNER’S/OPERATOR’S MANUAL
EB500 BLOWER
ENGLISH
X750-016 33 0
X750194-0800
Pr inted in Japan 1005A 0099 ES
© 2010

2
Read and follow this
manual, make sure
anyone using this unit
does likewise. Failure
to do so could result in
serious personal injury or machine
failure. Keep this manual for future
reference.
Always wear eye and
hearing protection.
Shindaiwa recommends
wearing a face shield as
additional face and eye
protection.
Contents
Attention Statements .......................... 2
Product Description ............................. 3
Specications ........................................ 3
Assembling the Blower ........................ 4
Mixing Fuel .......................................... 5
Filling the Fuel Tank ........................... 5
Starting and Stopping the Blower ...... 6
Adjusting Engine Idle Speed ............... 7
Adjusting the Harness ......................... 7
Using the Blower .................................. 8
Routine Maintenance ........................... 9
Mufer Maintenance ......................... 10
Storage .................................................11
Troubleshooting Guide ....................... 12
PAGE
Introduction
IMPORTANT!
Before using this product, consult local
regulations concerning noise restrictions
and hours of operation!
Attention Statements
This manual contains special “attention
statements” surrounded by boxes and
preceded by the triangular Attention
Symbol.
WARNING!
A statement preceded by the
word “WARNING” contains information
that should be acted upon to prevent
serious bodily injury.
Additional attention statements that
are not preceded by the Attention Sym-
bol are:
IMPORTANT!
A statement preceded by the word
“IMPORTANT” is one that possesses
special signicance.
NOTE:
A statement preceded by the word
“NOTE” contains information that is
handy to know and may make your job
easier.
CAUTION!
A statement preceded by the word
“CAUTION” contains information
that should be acted upon to prevent
damaging your machine.
Warning Labels
Warning labels afxed to the
machine are as follows:
The Shindaiwa EB500 has been
designed and built to deliver superior
performance and reliability without
compromise to quality, comfort, safety,
or durability.
Shindaiwa high performance engines
represent the leading edge of 2-cycle
engine technology and deliver
exceptionally high power, remarkably
low displacement and weight. As a
professional owner/operator, you will
soon discover why Shindaiwa is simply
in a class by itself! IMPORTANT!
The operational procedures described
in this manual are intended to help you
get the most from this unit and also to
protect you and others from harm. These
procedures are general guidelines only,
and are not intended to replace any
safety rules/laws that may be in force in
your area.
If you have any questions regarding your
EB500 blower, or if you do not understand
something in this manual, your Shindaiwa
Dealer will be glad to assist you.
CAUTION!
This unit is equipped with a spark
arresting mufer. Never operate this
machine without both the mufer and
spark arrester installed and properly
functioning.
WARNING!
Do not make unauthorized
modications to this machine.
IMPORTANT!
The information contained in this manual
describes machines available at the time
of production. While every attempt has
been made to give you the very latest
information about your Shindaiwa EB500
blower, there may be some differences
between your machine and what is de-
scribed here.
YAMABIKO CORPORATION reserves the
right to make changes in production with-
out prior notice, and without obligation to
make alterations to machines previously
manufactured.

3
Product Description
Air Cleaner
Spark Plug
Starter
Handle
Fuel Tank
Fuel Filler Cap
Exhaust
Outlet
Carburetor with Choke
and Primer
Volute Case
Swivel
Tube
Flexible
Tube
90° Discharge
Tube
Handgrip
Engine
Cover
Specications
Model .................................................................................................................EB500
Engine Model ..................................................................................................SEB500
Dimensions (L x W x H) ..............................................................325 x 380 x 475 mm
Engine Type .............................. 2 cycle air cooled gasoline engine, vertical cylinder
Bore & Stroke ............................................................................................41 x 33 mm
Displacement .....................................................................................................43.6 cc
Engine Speed at Idling ..............................................................................2,700 min-1
Maximum Engine Speed ............................................................................6,100 min-1
Engine Speed at Maximum Power Output ...............................................7,500 min-1
Maximum Power Output ..................................................................................1.7 kW
Fuel ........Gasoline/oil mixture (50:1 with Shindaiwa Premium 2-cycle Engine Oil)
Carburetor Type ............................................ Walbro rotary-type with primer pump
Ignition ....................................................... All transistor electronic ignition system
Spark Plug ..............................................................................................NGK BMR6A
Starting Method .....................................................................................Recoil starter
Stopping Method ..................................................................................... Slide Switch
Fuel Tank Capacity ...................................................................................... 2,100 cm3
Exhaust System ..................................................................... Spark-arrestor mufer
Air Cleaner Type ......................................................................................Dry element
Weight (dry; without blower tubes) ................................................................... 8.7 kg
n 90° Discharge Tube
n Flexible Tube
n Swivel Tube (Throttle Lever At-
tached)
n Straight Tube
n Nozzle Tube
n Handgrip (removable)
n Three Tube Clamps (115 mm,
100 mm, 85 mm)
Standard Tools
n Spark Plug Wrench
n Three Hex Wrenches
(3 mm, 4mm, 5mm)
Standard Accessories

4
Lock Pin
Lock Slot
Rotate clockwise to lock
Tube Assembly
Handgrip
Flexible Tube
Swivel Tube Straight Tube Nozzle Tube
115mm
Clamp Swivel
Tube Handgrip
85mm Clamp
100mm Clamp
90° Discharge Tube Flexible Tube
Align the lock pins with the
lock slots, and push the
tubes together.
Assembling The Blower
WARNING!
Danger from rotating
impeller! Stop the engine before
installing or removing the blower tubes!
Never perform any maintenance or
assembly procedures on this machine
while the engine is running!
85mm
Clamp
100mm
Clamp
IMPORTANT!
Blower tube installation affects blower
performance! Make sure the tubes and
nozzle are correctly assembled per above,
and that all connections are tight. Blower
tubes may come apart during use unless
tubes are aligned and locked into place.
1. Place the blower upright on the
ground or a sturdy work surface.
2. Fit the 900 discharge tube over the
blower outlet port and secure with
the 115 mm diameter clamp.
3. Slip the exible tube over the end of
the 90° discharge tube, and secure
with the 100mm clamp.
NOTE:
Check to make sure that the 900 discharge
tube swivels freely from front to back. If
any binding is present, loosen 100mm
clamp and pull wire towards engine to get
more slack and recheck for free move-
ment.
4. Install the 85mm clamp over the
opposite end of the exible tube and
push the swivel tube into the exible
tube and then tighten the 85 mm
clamp.
5. Slide the hand grip over the swivel
tube and secure with the bolt and
wingnut.
6. Grasp the straight tube as shown,
and push the tube over the swivel
tube locking pins.
7. Lock the straight tube to the swivel
tube by rotating the straight tube.
8. Grasp the nozzle tube and lock the
nozzle to the straight tube as in steps
6 and 7.
9. Attach the cable clamp over the outer
end of the exible tube and hook the
throttle cable as shown.
Cable Clamp
Throttle Cable

5
Filling The Fuel Tank
1. Place the blower upright on the
ground or on a sturdy work surface,
and wipe any debris from around the
fuel cap.
2. Remove the fuel cap.
3. Fill the tank with clean, fresh fuel.
4. Replace the cap, and wipe away
any spilled fuel before starting the
blower engine.
WARNING!
Minimize the risk of re,
burns, and personal injury!
n STOP engine before refueling.
n ALWAYS allow the engine to cool
before refueling
n ALWAYS open the fuel cap slowly
to allow any pressure build-up
in the tank to release fuel vapor
slowly.
n ALWAYS transport and store fuels
in an approved container.
n AVOID overlling and wipe-up all
spilled fuel. Move the engine at
least 3 meters (10 feet) from the
fueling point, storage area, and
other readily ammable materials
before restarting.
n ALWAYS inspect the unit for fuel
leaks before each use. During
each rell, make sure there are no
fuel leaks around the fuel cap and/
or tank. If a fuel leak is evident,
stop using the unit immediately.
Fuel leaks must be repaired
before using the unit.
n NEVER smoke or light any res
near the engine or fuel source.
n NEVER place any ammable
material near the engine or
mufer.
n NEVER operate the engine
without the mufer and spark
arrester in good working condition.
Remove the
Fuel Filler
Cap
Fuel
Tank
Mixing Fuel
IMPORTANT!
Mix only enough fuel for your immediate
needs! If fuel must be stored longer than
30-days, it should rst be treated with a
stabilizer such as StaBil™ or equivalent
product!
CAUTION!
Some gasolines contain alcohol as
an oxygenate! Oxygenated fuels may
cause increased operating tem-
peratures. Under certain conditions,
alcohol-based fuels may also reduce
the lubricating qualities of some mixing
oils. Never use any fuel containing
more than 10% alcohol by volume!
Generic oils and some outboard motor
oils may not be intended for use in
high-performance air cooled 2-cycle
engines, and should never be used in
your Shindaiwa engine!
CAUTION!
This engine is designed to operate on
a 50:1 mixture consisting of unleaded
gasoline and a premium 2-cycle mixing
oil only. Use of Non-approved mixing
oils can lead to excessive maintenance
costs and/or engine damage.
CAUTION!
Never attempt tp mix fuel in the
blower fuel tank. Always mix all fuels
in a clean approved container.
1. Use only fresh, clean unleaded
gasoline with a pump octane rating
of 87 or higher.
2. Mixing fuel with a Premium 2-cycle
mixing oil designed for use with
high-performance 2-cycle air-cooled
engines.
3. Refer to the following examples of
50:1 fuel to oil mix quantaties:
Gasoline 2-cycle mixing oil
liters milliliters
2.5 l ......................... 50 ml
5 l ............................ 100 ml
10 l .......................... 200 ml
20 l .......................... 400 ml

6
WARNING!
Never operate the blower
unless all controls are
properly installed and in good working
order. Never operate the blower if
the intake cover or blower tubes are
missing or damaged!
Starting And Stopping The Blower
WARNING!
Danger from rotating impeller!
The impeller will rotate whenever the
blower is operating! Never operate this
blower unless the intake cover and
blower tubes are properly installed
and in good working order!
Danger from thrown dust or debris!
Always wear eye and respiratory pro-
tection when operating this machine!
Never direct the blower stream toward
people or animals!
Never operate this blower unless all
controls are properly installed and in
good working order.
Avoid continuous running of the engine
without the blower tubes installed,
or if the intake cover or blower tubes
are blocked. Doing so can lead to an
overheated engine, seized piston, or
melted engine cover.
CAUTION!
Starting procedure
1. Place the blower on the ground.
2. Prime the fuel system by repeatedly
depressing the fuel primer bulb until
no air bubbles are visible in the fuel
discharge line.
IMPORTANT!
The primer system only pushes fuel
through the carburetor. Repeatedly
pressing the primer bulb will not ood
the engine with fuel.
Fuel Primer Bulb
Choke Control
(open position shown)
4. Slide the ignition switch to the "I"
(ON) position, then depress the throt-
tle lever half way and lock throttle
by moving throttle lock lever halfway
down.
Idle
Full Throttle
Throttle
Lever
ON
Throttle
Lock Lever
Ignition
Switch
5. Hold the blower rmly with your left
hand on the volute case.
6. Using your right hand, pull the
starter handle slowly until you feel
the starter engage.
7. As the starter engages, pull the
starter handle upward rapidly.
8. If necessary, repeat Steps 6 and 7
until the engine starts.
When The Engine Starts
1. Open the choke (if it is not already
open) by moving the choke lever
down .
2. If the engine does not continue to
run, repeat the appropriate starting
procedures for a cold or warm engine.
3. Operate the throttle to reduce engine
to idle speed until operating tem-
perature is reached (2–3 minutes).
The blower should now be ready for use.
If The Engine Does Not Start
Repeat the appropriate starting proce-
dures for warm or cold engine. If the
engine still will not start, follow the
“Starting a Flooded Engine” procedure.
3. Cold Engine Only. Choke the engine
by moving the choke lever up. (choke
is closed).
Pull upward
rapidly
Starting A Flooded Engine
1. Disconnect the spark plug lead, and
remove the spark plug (see page 9 for
procedures).
2. If the spark plug is fouled or is
soaked with fuel, clean or replace the
plug as required.
3. With the spark plug removed, open
the choke, put the throttle lever in
the full throttle position, then clear
excess fuel from the combustion
chamber by cranking the engine
several times.
4. Install and tighten the spark plug,
and reconnect the spark plug lead.
5. Repeat the starting procedures for a
warm engine.
6. If the engine still fails to start or
re, refer to the troubleshooting ow
chart at the end of this manual.
Stopping The Engine
1. Cool the engine by allowing it to run
at idle for 2–3 minutes.
2. Slide the ingnition switch towards
the rear to "O" (OFF).
Ignition
Switch
OFF

7
Adjusting The Harness
The Shindaiwa EB500 Blower features
an advanced harness system that helps
ensure maximum operator comfort and
ease of operation.
n The shoulder harness is lled with
soft padding for reduced operator
fatigue.
n The simplied adjustment system
makes it easy to match the harness
to every body size and type.
The adjusting strap lets the
user determine how far apart
the upper harness loops are
postioned. Easy to
customize for maximum
comfort.
Adjustment Holes
Adjusting Strap
Comfortable
Back Pad
Quick-disconnect
Spring Hook
Pull on the loops to
quickly tighten the har-
ness straps
Quick-adjust
Buckle
To tighten straps… To loosen straps…
Pull strap
loops
down
Quick-adjust
Buckle
Pull the
quick-
adjust
buckles
up…
…and
pull the
straps
down.
Adjusting Engine
Idle Speed
IMPORTANT!
A clean and unrestricted airow is essen-
tial to your blower’s engine performance
and durability! Before attempting any
carburetor adjustments, inspect and clean
the engine air lter as described on page
9 of this manual.
IMPORTANT!
Blower tubes and the air cleaner must
be in place while adjusting engine idle!
Engine idle speed will also be affected
if the blower tubes are blocked or incor-
rectly installed!
1. Place the unit on the ground and
start the engine, then allow it to idle
2-3 minutes until warm.
2. If a tachometer is available, the engine
idle speed should be nal adjusted to
2,700 min-1.
Carburetor fuel mixture adjustments are
preset at factory on units with emission
control systems and cannot be serviced in
the eld.
NOTE:
Idle Speed
Adjustment Screw

8
Using The Blower
n Use low throttle settings when
clearing lightweight materials from
around lawns or shrubbery.
n Use medium to higher throttle set-
tings to move grass or leaves from
parking lots or walkways.
n Use full throttle when moving heavy
loads such as dirt or snow.
THINK SAFETY!
Operating tips
In the hands of an experienced opera-
tor, the EB500 can efciently move a
wide variety of debris ranging from
grass clippings to gravel. As a general
rule, operate your EB500 at the lowest
throttle setting required to get the job
done:
Wear a dust mask to reduce the
risk of inhalation injuries.
Wear close-tting clothing to protect your
legs and arms, and conne long hair that
might become caught or tangled in machin-
ery. Do not wear clothing or jewelry that
could get caught in machinery!
Always be aware of the
strength and direction
of the blower discharge
stream! Never direct the
blower discharge stream
toward people or animals!
Never operate the blower
when visibility is poor.
Wear hearing protection
when operating the blower.
Wear eye protection such as a face
shield or goggles while operating this
machine!
IMPORTANT!
Blower noise increases at higher throttle
settings! Always use the lowest throttle
setting required to get the job done!
Never operate the blower indoors.
Never operate the
blower if any com-
ponent parts are
damaged, loose, or
missing!

9
10-Hour Maintenance
(more frequently in dusty conditions)
1. Remove the air cleaner cover by
gently lifting the cover latch.
2. Inspect the lter. If the element is
damaged or distorted, replace it with
a new one.
IMPORTANT!
The EB500 uses a special high capacity
dry-type air lter element. The lter can
be cleaned with fuel or solvent, but must
NEVER be oiled!
3. Use compressed air to blow debris
from the air lter element.
NOTE:
Direct the air stream at the inside face of
the lter only!
4. Wash the lter cover in clean fuel,
and wipe or blow dry.
5. Install the lter element and cover in
the reverse order of removal.
CAUTION!
Never operate the blower if the air
cleaner assembly is damaged or
missing!
Routine Maintenance
WARNING!
Before performing any
maintenance on this blower, stop the
engine and disconnect the spark plug
wire!
Daily Maintenance
n Remove dirt and debris from the
blower exterior.
n Inspect the engine, tank, and hoses
for possible fuel leaks, and repair as
necessary.
n Inspect the entire blower for loose,
damaged, or missing components,
and repair as necessary.
n Inspect the engine cooling ns for
accumulations of dirt or debris, and
clean as necessary.
CAUTION!
Dirty or damaged cooling system
components may allow the engine to
overheat, possibly causing serious
engine damage!
Operating the blower with loose,
missing, or damaged components
could allow the engine to overspeed,
possibly causing serious engine
damage!
Snap the cover up from the
bottom to remove.
ElementCover
Remove the Element
Cover
Latch
10-15 Hour Maintenence
CAUTION!
Never allow dirt or debris to enter the
cylinder bore! Before removing the
spark plug, thoroughly clean the spark
plug and cylinder head area!
Allow the engine to cool before
servicing the spark plug! Cylinder
threads can be damaged by
tightening or loosening the spark plug
while the engine is hot!
1. Use the spark plug wrench to
remove the spark plug (turn counter-
clockwise to remove).
2. Clean and adjust the spark plug gap
to 0.6mm . Replace any damaged
or visibly worn plug with a NGK
BMR6A or equivalent.
3. Install the spark plug nger-tight
in the cylinder head, then tighten it
rmly with the spark plug wrench.
Avoid overtightening.
0.6mm gap NGK BMR6A
to remove
WARNING!
Improper maintenance,
use of nonconforming replacement
components, or removal of safety
devices could result in serious injury.
n Remove dust of various sorts,
including fallen leaves blocking the
housing cover.
IMPORTANT!
Do not remove the housing cover. If nec-
essary, Please consult your dealer.

10
50 Hour Maintenance
n INSPECTION Inspect the entire
blower and tubes for damage, includ-
ing loose or missing components, and
repair as necessary.
n SPARK PLUG Replace the spark plug
with a NGK BMR6A (or equivalent),
gapped to 0.6mm.
n FUEL FILTER Use a wire hook to
extract the fuel lter from inside the
fuel tank, and then remove and wash
the lter element in clean fuel.
Before reinstalling the lter, inspect
the condition of the fuel line. If
damage or deterioration are noted,
the blower should be removed from
service until it can be inspected by
a Shindaiwa-trained service techni-
cian.
(more frequently if reduced
performance is noted)
n COOLING SYSTEM Use a wood or
plastic scraper and a soft brush to
remove dirt and debris from the
cylinder ns and crankcase.
Fuel Filter
Fuel Tank
Wire
Hook
Mufer Maintenance
CAUTION!
Make sure you do not pierce the fuel
line with the end of the hooked wire.
The line is delicate and can easily be
damaged.
Carbon deposits in mufer will cause a
drop in engine output and overheating.
Spark arrestor screen must be checked
periodically. Clean deposits from muf-
er.
IMPORTANT!
Do not remove the mufer cover. If
necessary, Please consult your dealer.

11
Storage
n CLEANING Thoroughly clean the
blower exterior.
n INSPECTION Inspect the entire
blower and tubes for damage,
including loose or missing
components, and repair as necessary.
n FUEL Drain the fuel tank, and then
clear any remaining fuel from the
carburetor and lines by running the
blower until it stops from lack of fuel.
CAUTION!
Never store this product with any fuel
remaining in the tank, fuel lines, or
carburetor! Your Shindaiwa warranty
does not include coverage for damage
caused by “stale” or contaminated
fuels!
n LUBRICATION Remove the spark
plug, and then pour approximately
7g of oil into the cylinder through the
spark plug hole. Before reinstalling
the spark plug, pull the recoil starter
gently 2–3 times to distribute the oil
over the cylinder walls.
n AIR CLEANER Remove, clean, and
reinstall the lter element as de-
scribed under “daily maintenance.”
n STORAGE Store the blower in a
clean, dry, dust-free environment.
(30 days or longer)

12
Troubleshooting Guide
ENGINE DOES NOT START
Does the engine crank? Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Consult with an authorized
servicing dealer.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
NO
Good compression? Loose spark plug.
Excess wear on cylinder, piston, rings.
Tighten and retest.
NO
YES
Does the tank contain fresh
fuel of the proper grade?
Refill with clean fresh unleaded gasoline with a
pump octane of 87 or higher, mixed with
a Premium 2-cycle mixing oil at a
50:1 gasoline/oil ratio.
Fuel incorrect, stale, or contaminated;
mixture incorrect.
NO
YES
Is fuel visible and moving in
the return line when priming?
Check for clogged fuel filter and/or vent. Replace fuel filter or vent as required. Restart.
NO
Is there spark at the spark
plug wire terminal?
The ignition switch is in “O” (OFF)
position. Shorted ignition system.
Faulty ignition unit.
Move switch to “I” (ON) position and re-start.
NO
YES
YES
Check the spark plug. If the plug is wet, excess fuel may be in
the cylinder.
The plug is fouled or improperly gapped.
The plug is damaged internally or of the
wrong size.
Crank the engine with the plug removed,
replace the plug, and re-start.
Clean and re-gap the plug to 0.6 mm ; Re-start.
Replace the plug with a NGK BMR6A or
equivalent type spark plug of the correct
heat range. Adjust the spark plug electrode gap
to 0.6mm; Restart.
YES
What To Check Possible Cause Remedy

13
LOW POWER OUTPUT
Troubleshooting Guide (continued)
Is the engine overheating? Operator is overworking the unit.
Carburetor mixture is too lean.
Improper fuel ratio.
Fallen leaves or debris on intake cover.
Fan, fan cover, cylinder fins dirty or
damaged.
Carbon deposits on the piston or in the
muffler.
Use a lower throttle setting.
Consult with an authorized servicing dealer.
Refill with clean fresh unleaded gasoline with a
pump octane of 87 or higher, mixed with
a Premium 2-cycle mixing oil at a
50:1 gasoline/oil ratio.
Clean the intake cover.
Clean, repair or replace as necessary.
Consult with an authorized servicing dealer.
Engine is rough at all speeds.
May also have black smoke
and/or unburned fuel at the
exhaust.
Clogged air filter.
Loose or damaged spark plug.
Air leakage or clogged fuel line.
Water in the fuel.
Piston seizure.
Faulty carburetor and/or diaphragm.
Clean or replace the air filter.
Tighten or replace the plug with an NGK BMR6A
or equivalent type spark plug of the
correct heat range.
Repair or replace filter and/or fuel line.
Refill with fresh fuel/oil mixture. See Page 5.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
Engine is knocking. Overheating condition.
Improper fuel.
Carbon deposits in the combustion
chamber.
See above.
Check fuel octane rating; check for presence of
alcohol in the fuel. Refuel as necessary.
See page 5.
Consult with an authorized servicing dealer.
What To Check Possible Cause Remedy

14
ADDITIONAL PROBLEMS
Troubleshooting Guide (continued)
Poor acceleration. Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Spark arrester is clogged.
Leaking or damaged blower housing
or tube assembly.
Clean or replace the air filter.
Replace the fuel filter.
Consult with an authorized servicing dealer.
Adjust: 2,700 min-1
Decarbonize the arrester (Page 10).
Repair or replace components as required.
Symptom Possible Cause Remedy
Engine stops abruptly. Ignition switch turned off.
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Reset the switch and re-start.
Refuel. See page 5.
Replace filter.
Drain; replace with clean fuel. See page 5.
Clean or replace spark plug with a NGK BMR6A
or equivalent type spark plug of the correct
heat range.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
Engine difficult to shut off. Ground (stop) wire is disconnected, or
switch is defective.
Overheating due to incorrect spark plug.
Overheated engine.
Test and replace as required.
Replace spark plug with a NGK BMR6A or
equivalent spark plug of the correct heat
range.
Idle engine until cool.
Excessive vibration. Debris build-up in impeller.
Loose or damaged impeller.
Loose or damaged engine mounts.
Clean debris from impeller as required.
Inspect and replace impeller as required.
Tighten or replace engine mounts as required.
Engine overspeeding. Blower intake or discharge ports or
tubes are clogged with debris.
Impeller blades are missing or damaged.
Inspect and remove debris.
Consult with an authorized servicing dealer.
Loose bolt or fastener. Tighten as required.

15
NOTES:

7-2 SUEHIROCHO 1-CHOME, OHME, TOKYO 198-8760, JAPAN
PHONE: [phone]. FAX: [phone].