Multiquip QP4TE User Manual
OPERATION AND PARTS MANUAL
MODEL QP4TE
TRASH PUMP
(
ROBIN
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
EX270D50220
Revision #1 (10/10/08)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
GASOLINE ENGINE)
PROPOSITION 65 WARNING
NOTES
OPERATION & PARTS MANUAL — REV. #0 (01/25/06) — PAGE 3
TABLE OF CONTENTS
Multiquip QP4TE Trash
Pump
Proposition 65 Warning ............................................. 2
Table Of Contents ..................................................... 4
Parts Ordering Procedures ....................................... 5
Safety Information ................................................ 6-10
General Information ................................................ 12
Pump Specifications/Dimensions ............................ 13
Engine Specifications .............................................. 14
Pump Components ................................................. 15
Basic Engine ........................................................... 16
Pre-Inspection (Engine) .......................................... 17
Pre-Set-up (Pump) .................................................. 18
Initial Start-up (Engine) ...................................... 19-20
Maintenance (Pump) ......................................... 21-22
Maintenance (Engine)........................................ 23-24
Preparation for Long-Term Storage ........................ 25
Troubleshooting (Engine) ........................................ 26
Troubleshooting (Engine/Pump) ............................. 27
Explanation Of Code In Remarks Column .............. 28
Suggested Spare Parts ........................................... 29
Pump Assy. ........................................................ 30-33
ROBIN
EX270D50220
Engine (EPA)
Air Cleaner Assy. ................................................ 34-35
Camshaft Assy. .................................................. 36-37
Carburetor Assy. ................................................ 38-39
Crankcase Assy. ................................................ 40-41
Crankshaft/Piston Assy. ..................................... 42-43
Cylinder Head Assy. ........................................... 44-45
Fuel Tank Assy. .................................................. 46-47
Governor Assy. .................................................. 48-49
Ignition Coil/Flywheel Assy. ................................ 50-51
Muffler Assy ....................................................... 52-53
Oil Sensor Assy .................................................. 54-55
Recoil Starter Assy ............................................ 56-57
Terms and Conditions of Sale ................................. 58
NOTE
Specification and part number
are subject to change without
notice.
PAGE 4 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
NOTE
As a continuing effort to
update our parts book,
contact the MULTIQUIP
literature department for the
latest revision of your
"Operation and Parts
Manual"
PARTS ORDERING PROCEDURES
Ordering parts has never been easier!
Choose from three easy options:
Effective:
January 1
st
, 2006
Best Deal!
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■
View Parts Diagrams
■
Order Parts
■
Print Specification Information
Goto www.multiquip.com and click on
Order Parts
to log in and save!
Order via Fax (Dealers Only):
All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
Order via Phone:
If you have an MQ Account, to obtain a
Username and Password, E-mail us at:
parts@multiquip.com.
To obtain an MQ Account, contact your
District Sales Manager for more information.
internet
Use the
on
Standard orders
and qualify for a 5% Discount
for all orders which include
complete part numbers.*
Fax
your order in and qualify for a 2% Discount
on
Standard orders
for all orders which include
complete part numbers.*
Domestic (US) Dealers Call:
1-800-427-1244
International Customers
their local Multiquip Representatives for
Parts Ordering information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
should contact
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❒❒
www.multiquip.com
When ordering parts, please supply:
❒❒
❒
Specify Preferred Method of Shipment:
Dealer Account Number
Dealer Name and Address
Shipping Address (if different than billing address)
Return Fax Number
Applicable Model Number
Quantity, Part Number and Description of Each Part
All orders are treated as
and will ship the same day if received prior
to 3PM PST.
WE ACCEPT ALL MAJOR CREDIT CARDS!
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 5
❒❒
✓
UPS/Fed Ex
■
Priority One
■
Ground
■ Next Day
■
Second/Third Day
Standard Orders
✓ DHL
✓
Tr u ck
SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifically address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
PAGE 6 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
SAFETY INFORMATION
GENERAL SAFETY
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the influence of
drugs or alcohol.
NOTICE
This equipment should only be operated by trained and
qualified personnel 18 years of age and older.
PUMP SAFETY
DANGER
NEVER pump volatile, explosive, flammable or low flash
point fluids. These fluids could ignite or explode.
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment requires an adequate free
flow of cooling air. NEVER operate this equipment in any
enclosed or narrow area
where free flow of the air is
restricted. If the air flow is
restricted it will cause injury
to people and property and
serious damage to the
equipment or engine.
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fire could result causing severe
bodily harm or even death.
WARNING
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fire extinguisher.
ALWAYS know the location of the nearest
first aid kit.
ALWAYS know the location of the nearest phone or keep
a phone on the job site. Also, know the phone numbers
of the nearest ambulance, doctor and fire department.
This information will be invaluable in the case of an
emergency.
NEVER pump corrosive chemicals or water containing
toxic substances. These fluids could create serious
health and environmental hazards. Contact local
authorities for assistance.
NEVER open the priming plug when pump
is hot. Hot water inside could be pressurized
much like the radiator of an automobile.
Allow pump to cool to the touch before
loosening plug. The possibility exists of
scalding, resulting in severe bodily harm.
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 7
r
SAFETY INFORMATION
CAUTION
NEVER lubricate components or attempt service on a
running machine.
NEVER block or restrict flow from discharge hose.
Remove kinks from discharge line before starting pump.
Operation with a blocked discharge line can cause water
inside pump to overheat.
NOTICE
ALWAYS fill the pump casing with water before starting
the engine. Failure to maintain water inside the pump
housing will cause severe damage to the pump and
mechanical seal.
In winter drain water from pump housing to prevent
freezing.
NEVER start the pump with the clean-out cover removed.
The rotating impeller inside the pump can cut or sever
objects caught in it. Before starting the pump, check that
the clean-out cover is securely fastened.
ALWAYS keep the machine in proper running condition.
ALWAYS ensure pump is on level ground before use.
Fix damage to machine and replace any broken parts
immediately.
ENGINE SAFETY
WARNING
NEVER operate the engine with heat shields or
guards removed.
DO NOT remove the engine oil drain plug
while the engine is hot. Hot oil will gush
out of the oil tank and severely scald any
persons in the general area of the pump.
CAUTION
NEVER touch the hot exhaust manifold,
muffler or cylinder. Allow these parts to cool
before servicing equipment.
NOTICE
NEVER run engine without an air filter or with a dirty air
filter. Severe engine damage may occur. Service air filte
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
PAGE 8 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
SAFETY INFORMATION
FUEL SAFETY
DANGER
DO NOT add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
fire due to static electricity.
DO NOT start the engine near spilled fuel or combustible
fluids. Fuel is extremely flammable and its vapors can
cause an explosion if ignited.
BATTERY SAFETY (ELECTRIC START ONLY)
DANGER
DO NOT drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open flames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
flame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
Use well-insulated gloves when picking up
the battery.
ALWAYS keep the battery charged. If the battery is not
charged, combustible gas will build up.
DO NOT charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
ALWAYS refuel in a well-ventilated area, away from
sparks and open flames.
ALWAYS use extreme caution when working with
flammable liquids.
DO NOT fill the fuel tank while the engine is running
or hot.
DO NOT overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and flames.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gases.
If the battery liquid (dilute sulfuric acid)
comes into contact with clothing or skin,
rinse skin or clothing immediately with
plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
CAUTION
ALWAYS disconnect the NEGATIVE battery terminal
before performing service on the equipment.
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 9
SAFETY INFORMATION
TRANSPORTING SAFETY
CAUTION
NEVER allow any person or animal to stand underneath
the equipment while lifting.
NOTICE
Before lifting, make sure that the equipment parts (hook
and vibration insulator) are not damaged and screws are
not loose or missing.
Always make sure crane or lifting device has been
properly secured to the lifting bail (hook) of the
equipment.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
Use adequate lifting cable (wire or rope) of sufficient
strength.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly.
Examples of potentially hazardous waste
are used motor oil, fuel and fuel filters.
DO NOT use food or plastic containers to dispose of
hazardous waste.
DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.
Use one point suspension hook and lift straight upwards.
DO NOT lift machine to unnecessary heights.
ALWAYS tie down equipment during transport by
securing the equipment with rope.
PAGE 10 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
NOTES
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 11
GENERAL INFORMATION
APPLICATION
QP4TE Trash Pump
The
applications. Both the suction and discharge ports on the QP4TE
pump use a 4-inch diameter opening, which allows the pump to
pump at a rate of approximately 528 gallons/minute (gpm) or
2,000 liters/minute (lpm).
Trash pumps derive their name from their ability to handle a
greater amount of debris and solids than standard centrifugal
pumps. These pumps generally handle solids up to 1/2 the size
of the discharge opening making them less likely to clog. Also
trash pumps are capable of handling water with 25% solids by
weight.
The advantage of using a trash pump is that it can be quickly
and easily disassembled in the field "
cleaned when clogged.
Power Plant
This trash pump is powered by a 9 horsepower, air-cooled,
4-stroke, single-cylinder,
engine that incorporates a low "
Oil Alert Feature
In the event of
alarm engine shut-down feature. In the event the oil level is low
the engine will automatically shut-down.
low oil
is designed to be used for de-watering
without tools
ROBIN EX-270D50021
Oil Alert Feature
or
no oil
, the engine has a built-in oil
" and easily
gasoline
".
Suction Lift
This pump is intended to be used for dewatering applications
and is capable of suction lifts up to 25 feet at sea level. For
optimal suction lift performance keep the suction hose or line as
short as possible. In general always put the pump as close to the
water as possible.
Pump Support
The pump should always be placed on
ground
NEVER place the pump on
connection should always be checked for tightness and leaks. A
small suction leak in the hose or fittings could prevent the pump
from priming.
Elevation
Elevations over 3,000 feet will effect the performance of the
pump. Due to less atmospheric pressure at higher altitudes,
pumps DO NOT have the priming ability that they have at sea
level.
A general rule of thumb is that for every 1,000 feet of elevation
above sea level a pump will lose one foot of priming ability.
For example, in Flagstaff, Arizona where the elevation is
approximately 7,000 feet, the pump would have a suction lift of
only 18 feet rather than the 25 feet at sea level.
in a level position.
soft soil
. The suction hose or pipe
solid stationary
Please contact your nearest authorized MQ
NOTE
PAGE 12 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
dealer for any accessories that your pump
may require.
SPECIFICATIONS/DIMENSIONS (PUMP)
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Figure 1. QP4TE Pump Dimensions
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 13
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SPECIFICATIONS (ENGINE)
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PAGE 14 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
PUMP COMPONENTS
Figure 2 shows a typical application using the QP4TE Centrifugal Trash pump. Please note that this pump is
intended for the removal of clean water and water containing some debris and solids. Maximum size of solids
should not exceed 2 inches (50 mm) in diameter. DO NOT set strainer on bottom of water bed. Placing the
strainer above the water bed will prevent the pump from drawing in excessive amounts of sand and foreign
debris.
Figure 2. QP4TE Pump Application
1. Pump – The MQ Model QP4TE is a 4-inch trash pump
used in general de-watering applications. Typical
dewatering applications consist of manholes, septic tanks,
fast and slow seepage ditch water, silt water, mud water
and muck water.
2. Fill Cap – Prior to operation, the pump casing should be
filled with water. Remove this cap to add water to the pump.
After the initial prime, a sufficient amount of water will be
retained in the casing so that the operator will not need to
re-prime later.
If the casing is dry or has insufficient water, the pump will
have difficulty in priming which could lead to premature
mechanical seal wear thus causing damage to the pump.
3. Discharge Port – Connect a 4-inch discharge hose to this
port.
4. Worm Clamp – Used to secure the hose to the inlet and
outlet ports on the pump. Use two clamps to secure the
hose on the inlet side of the pump.
5. Discharge Hose – Connect this flexible rubber hose to
the discharge port on the pump. Make sure that the hose
lays flat and is not kinked. Use only recommended type
discharge hose. Contact Multiquip Parts Department for
ordering information.
6. Suction Port – Connect a 4-inch inlet hose to this port.
7. Suction Hose – Connect this flexible rubber hose to the
8. Clean-out Cover Handles – To gain access to the pump's
9. Drain Plug – Remove this plug to drain water from the
10. Clean-out Cover – Remove cover to gain access to the
11. Locking Knobs – Turn both knobs clockwise to secure
12. Strainer – Always attach a strainer to bottom side of the
Use two worm clamps to secure the hose.
suction port on the pump. Make sure that the hose lays flat
and is not kinked. Use only recommended type suction
hose. Contact Multiquip parts department for ordering
information
clean-out area, grip both handles, then pull to remove cover.
Make sure both locking knobs have been released before
attempting to remove clean-out cover.
pump.
clean-out area.
clean-out cover, turn counter-clockwise to release cover.
suction hose to prevent large objects and debris from
entering the pump. Strainer should be positioned so that it
will remain completely under water. Running the pump with
the strainer above water for long periods can damage pump.
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 15
INITIAL SERVICING
BASIC ENGINE
Figure 3. Engine Controls and Components
The engine (Figure 3) must be checked for proper lubrication and
filled with fuel prior to operation. Refer to the ROBIN engine service
manual for instructions and details for proper operation and servicing.
1. Muffler – Used to reduce noise and emissions.
WARNINGWARNING
WARNING
WARNINGWARNING
Engine components can generate extreme
heat. To prevent burns, DO NOT touch these
areas while the engine is running or
immediately after operating. NEVER operate
the engine with the muffler removed.
2. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element.
3. Fuel Tank – Holds unleaded gasoline. For additional
information refer to ROBIN engine owner's manual.
4. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
DANGERDANGER
DANGER
DANGERDANGER
Adding fuel to the tank should be done only
when the engine is stopped and has had an
opportunity to cool down. In the event of a fuel
spill, DO NOT attempt to start the engine until
the fuel residue has been completely wiped
up, and the area surrounding the engine is dry.
5. Throttle Lever – Used to adjust engine RPM speed (lever
advanced forward
FAST
6. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
7. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
8. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop
the flow of fuel.
9. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch) Clean
spark plug once a week.
10. Engine ON/OFF Switch – ON position permits engine
starting, OFF position stops engine operations.
11. Oil Drain Plug – Remove this plug to drain engine oil from
the crankcase.
12. Oil Dipstick/ Filler Cap– Remove the filler cap dipstick
when checking the engine oil level. Add engine oil through
this filler port. See Table 5 for recommended type engine
oil.
NOTE
SLOW
, lever back toward operator
).
Operating the engine without an air
filter, with a damaged air filter, or a
filter in need of replacement will
allow dirt to enter the engine,
causing rapid engine wear.
PAGE 16 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
CAUTION - Read Manual
Please read the entire maintenance section
in this manual before servicing the pump. In
addition for operator safety, please read all
safey messages at the begining of the
manual
PRE-INSPECTION (ENGINE)
Inspection
1. Clean the pump, removing dirt and dust, particularly the
engine cooling air inlet, carburetor and air cleaner.
2. Check the air filter for dirt and dust. If air filter is dirty, replace
air filter with a new one as required.
3. Check carburetor for external dirt and dust. Clean with dry
compressed air.
4. Check fastening nuts and bolts for tightness.
Engine Oil Check
1. To check the engine oil level, place the pump on secure
level ground with the engine stopped.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 4) and wipe clean.
Motor fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling.
should be done only when the engine is
stopped and has had an opportunity to cool
down. DO NOT attempt to refuel the pump if
the engine is
wipe up immediately.
until the fuel residue has been completely wiped up, and
the area surrounding the engine is dry.
Figure 5. Engine Oil Dipstick (Oil Level)
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DANGER - Explosive Fuel
Adding fuel to the tank
hot! or running
In the event of any spilled fuel,
DO NOT attempt to start the engine
Fuel Check
Figure 4. Engine Oil Dipstick (Removal)
3. Insert and remove the dipstick without screwing it into the filler
neck. Check the oil level shown on the dipstick.
4. If the oil level is low (Figure 5), fill to the edge of the oil filler
hole with the recommended oil type (Table 3). Maximum oil
capacity is .63 quarts (.60 liters)
OPERATION AND PARTS MANUAL — REV. #1 (10/10/08) PAGE 17
1. Remove the gasoline cap located on top of fuel tank.
2. Visually inspect to see if the fuel level is low. If fuel is low,
replenish with unleaded fuel.
3. When refueling, be sure to use a strainer for filtration. DO
NOT top-off fuel. Wipe up any spilled fuel
immediately!
Before Starting:
CAUTION - General Safety Precautions
NEVER operate the pump in a confined
area or enclosed area structure that does
not provide ample
free flow of air
.
PRE-SETUP (PUMP)
rigid
3. Remember suction hoses must be
collapse when the pump is in operation.
4. Check that
Place hose so that it lays as straight as it is possible on the
ground. Remove any twists or sharp bends from hose which
may block the flow of water.
the
discharge
hose (Figure 2) is not restricted.
enough not to
ALWAYS wear approved eye and hearing
protection before operating the
compactor.
Before Starting
1. Read safety instructions at the
beginning of manual.
2. Place pump as near to water as
possible, on a firm flat, level surface.
3. To prime pump, remove fill cap (Figure 2) and fill pump casing
with water. If the pump casing is not filled with water before
starting, it will not begin pumping.
CAUTION - Pump Casing
Pump casing
must
be filled with water before using
5. The discharge hose is usually a
6. Make sure the
The strainer should be positioned so it will remain completely
under water
water for long periods can damage the pump.
pump. Otherwise pump will not be able to begin
pumping.
DO NOT pump flammable fluids, corrosive chemicals or fluids
WARNING - Fill Cap
DO NOT open
fill cap
if pump is hot! Water inside may
containing toxic substances. These fluids can create potentially
dangerous health and environmental hazards. Contact local
authorities for assistance.
be under pressure.
Suction and discharge hoses are
NOTE
available from Multiquip. Contact
your nearest dealer for more
information.
collapsible
hose, however if a thin-walled discharge hose is not available, a rigid suction hose can be substituted in its place.
suction strainer
securely attached to the water end of the suction hose. The
strainer is designed to protect the pump by preventing large
objects from being pulled into the pump.
(Figure 2) is clean and
(thin-walled)
CAUTION - Strainer
. Running the pump with the strainer above
CAUTION - Flammable Fluids
4. Check for
between the pump and engine housing, the seal inside the
pump may be worn or damaged. Continued operation of the
pump is not recommended. Further usage of the pump under
these conditions may cause severe water damage to engine.
Hoses and Clamps
1. Check that all hoses are
Make certain suction hose (Figure 2) does not have any air
leakage. Tighten hose clamps and couplings as required.
2. It is recommended that 2 clamps be used when securing the
suction hose to the inlet side (suction) of the pump.
leaks
between pump and engine. If water is leaking
securely
PAGE 18 —OPERATION AND PARTS MANUAL — REV. #1 (10/10/08)
attached to the pump.
This pump uses a water-cooled
water from seeping into the engine. The passage of water
through the pump casing lubricates the seal and prevents it
from overheating.
in the casing as this will cause damage to the mechanical
seal.
CAUTION - Mechanical Seal
mechanical seal
NEVER!
operate the pump without water
to prevent
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