Multiquip QP4TH User Manual
OPERATION AND PARTS MANUAL
MODEL QP4TH
TRASH PUMP
(HONDA GX340K1QA2/GX340U1QA2/GX340UT2QA2
GASOLINE ENGINE)
Revision #3 (01/29/14)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING
PAGE 2 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
NOTES
QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14) — PAGE 3
QP4TH Centrifugal Pump
Proposition 65 Warning ........................................... 2
Table Of Contents .................................................... 4
Parts Ordering Procedures ...................................... 5
Safety Information .............................................. 6-10
Specifications (Pump) ............................................ 11
Specifications (Engine) .......................................... 12
General Information ............................................... 13
Pump Components ................................................ 14
Basic Engine .......................................................... 15
Inspection (Engine) ................................................ 16
Setup ..................................................................... 17
Operation .......................................................... 18-19
Maintenance (Pump) ........................................ 20-21
Maintenance (Engine) ...................................... 22-24
Storage .................................................................. 25
Troubleshooting (Engine) ....................................... 26
Troubleshooting (Engine/Pump) ............................ 27
Explanation Of Code In Remarks Column............. 28
Suggested Spare Parts ......................................... 29
TABLE OF CONTENTS
Component Drawings
Pump Assembly ................................................ 30-33
Engine Service Parts ........................................ 34-35
Terms And Conditions Of Sale — Parts ................ 36
NOTICE
Specifications and part numbers are subject to change
without notice.
PAGE 4 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
PARTS ORDERING PROCEDURES
www.multiquip.com
Ordering parts has never been easier!
If you have an MQ Account, to obtain a Username
parts@multiquip.
To obtain an MQ Account, contact your
Effective:
, 2006
Choose from three easy options:
January 1
st
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)
Order via Phone:
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
and Password, E-mail us at:
com.
District Sales Manager for more information.
Use the internet and qualify for a 5% Discount
on Standard orders 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 should contact
their local Multiquip Representatives for
Parts Ordering information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
When ordering parts, please supply:
❒ 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
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
WE ACCEPT ALL MAJOR CREDIT CARDS!
QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14) — PAGE 5
❒ Specify Preferred Method of Shipment:
✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Tr uc k
■ Ground
■ Next Day
■ Second/Third Day
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 specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION
SAFETY SYMBOLS
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.
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
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.
or NOTICE.
NOTICE
Addresses practices not related to personal injury.
PAGE 6 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
SAFETY INFORMATION
GENERAL SAFETY
PUMP SAFETY
pump volatile, explosive, fl ammable or low fl ash
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
The engine of this equipment requires an adequate free
operate this equipment in any
pump corrosive chemicals or water containing
toxic substances. These fl uids could create serious
health and environmental hazards. Contact local
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
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 infl uence of
drugs or alcohol.
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
DANGER
NEVER
point fl uids. These fl uids could ignite or explode.
cause death if inhaled.
fl ow of cooling air. NEVER
enclosed or narrow area
where free fl ow of the air is
restricted. If the air fl ow 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 fi re could result causing severe
bodily harm or even death.
WARNING
DANGEROUS
GAS FUMES
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation 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
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst 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 fi re department.
This information will be invaluable in the case of an
emergency.
NEVER
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
devices will void all warranties.
QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14) — PAGE 7
CAUTION
ENGINE SAFETY
NOTICE
run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
refuel in a well-ventilated area, away from
use extreme caution when working with
fi ll the fuel tank while the engine is running
overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
SAFETY INFORMATION
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 fi ll 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.
NEVER
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.
FUEL SAFETY
DANGER
DO NOT
fi re due to static electricity.
ALWAYS ensure pump is on level ground before use.
Fix damage to machine and replace any broken parts
immediately.
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.
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,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
DO NOT
cause an explosion if ignited.
ALWAYS
sparks and open fl ames.
ALWAYS
fl ammable liquids.
DO NOT
or hot.
DO NOT
the ignition system.
PAGE 8 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
SAFETY INFORMATION
Store fuel in appropriate containers, in well-ventilated
BATTERY SAFETY (ELECTRIC START ONLY)
CAUTION
NEGATIVE battery terminal
keep battery cables in good working condition.
allow any person or animal to stand underneath
Before lifting, make sure that the equipment parts (hook
and vibration insulator) are not damaged and screws are
Always make sure crane or lifting device has been
properly secured to the lifting bail (hook) of the
Tighten fuel tank cap securely and close fuel cock to
Use adequate lifting cable (wire or rope) of suffi cient
tie down equipment during transport by
areas and away from sparks and fl ames.
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.
DANGER
DO NOT drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open fl ames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
fl ame 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.
ALWAYS disconnect the
before performing service on the equipment.
ALWAYS
Repair or replace all worn cables.
TRANSPORTING SAFETY
CAUTION
NEVER
the equipment while lifting.
NOTICE
not loose or missing.
equipment.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
prevent fuel from spilling.
strength.
Use one point suspension hook and lift straight upwards.
DO NOT charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
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.
QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14) — PAGE 9
DO NOT lift machine to unnecessary heights.
ALWAYS
securing the equipment with rope.
ENVIRONMENTAL SAFETY/DECOMMISSIONING
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement),be
sure to follow rules below.
EMISSIONS INFORMATION
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
This engine has been certifi ed to meet US EPA Evaporative
Attempting to modify or make adjustments to the engine
emmission system by unauthorized personnel without
proper training could damage the equipment or create an
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
The emission control label is an integral part of the emission
If a replacement emission label is needed, please contact
SAFETY INFORMATION
NOTICE
DO NOT pour waste or oil directly onto the ground, down
a drain or into any water source.
Contact your country's Department of
Public Works or recycling agency in your
area and arrange for proper disposal of
any electrical components, waste or oil
associated with this equipment.
When the life cycle of this equipment is over, remove
battery and bring to appropriate facility for lead
reclamation. Use safety precautions when handling
batteries that contain sulfuric acid.
When the life cycle of this equipment is over, it is
recommended that the trowel frame and all other metal
parts be sent to a recycling center.
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
materials to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
promotes energy cost savings.
NOTICE
contained in gasoline exhaust emissions.
emissions requirements in the installed confi guration.
unsafe condition.
Emission Control Label
system and is strictly controlled by regulation(s).
The label must remain with the engine for its entire life.
your authorized engine distributor.
PAGE 10 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
SPECIFICATIONS (PUMP)
Table 1. Specifications (Pump)
Model QP4TH
Type Trash Pump
Suction 4.0 in. (100 mm.)
Discharge Size 4.0 in. (100 mm.)
Pump
Dry Net Weight
Maximum Pumping
Capacity
555 gallons/minute
(2,100 liters/minute)
Max. Solids Diameter 1.57 in. (40 mm)
Max. Lift 25 ft. (7.62 meters)
Max. Head 92 ft. (28.0 m)
Max. Pressure 40 psi (275 kPa)
222 lbs. (100.5 Kg.)
25.0 IN.
(63.5 CM.)
28.1 IN.
(71.4 CM.)
27.9 IN.
(70.9 CM.)
Figure 1. QP4TH Dimensions
QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14) — PAGE 11
SPECIFICATIONS (ENGINE)
METERS
500
10
Table 2. Specifications (Engines)
Model
HONDA GX340K1QA2/
GX340U1QA2/GX340UT2QA2
Air-cooled 4 stroke, Single
Type
Cylinder, OHV,
Horizontal Shaft Gasoline
Engine
3.46 in. x 2.28 in.
(88 mm x 64 mm)
Engine
Bore x Stroke
Displacement 20.53 cu-in (337 cc)
Max Output 10.7 H.P.*/3,600 R.P.M.
Fuel Tank Capacity
Approx.1.62 U.S. Gallons
(6.1 Liters)
Fuel Unleaded Automobile Gasoline
Lube Oil Capacity 1.16 quarts (1.10 liters)
Speed Control Method Centrifugal Fly-weight Type
Starting Method Recoil Start
Dimension
(L x W x H)
Dry Net Weight
Engine power ratings are calculated by the individual engine manufacturer and the rating method may vary among engine manufacturers. Multiquip Inc. and its subsidiary companies
*
makes no claim, representation or warranty as to the power rating of the engine on this equipment and disclaims any responsibility or liability of any kind whatsoever with respect to the
accuracy of the engine power rating. Users are advised to consult the engine manufacturer’s owners manual and its website for specific information regarding the engine power rating.
15.0 x 17.7 x 17.4 in.
(380 x 450 x 443 mm)
69.4 lbs (31.5 Kg.)
TOTAL HEAD
30
25
20
15
U.SGALLONS
PER MINUTE
LITERS
PER MINUTE
Suction Line : 4 inch Discharge Line : 4 inch
FT.
100
90
80
70
60
50
40
30
20
5
10
0
0 100 200 300 400 500 600
0
1000 1500
23.3 FT
16.7 FT
10 FT
Figure 2. QP4TH Performance Curve
3.3 FT
2000
PAGE 12 — QP4TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #3 (01/29/14)
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