Multiquip MQD2H User Manual

OPERATION AND PARTS MANUAL
MODELS
DIAPHRAGM PUMPS
(Honda
MQD2H MQD3H
GX120K1QX2
Revision #6 (10/27/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
Gasoline Engine)
PROPOSITION 65 WARNING
PAGE 2 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
NOTES
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 3
TABLE OF CONTENTS
MQ-D2H/D3H Gasoline Powered Diaphragm Pumps
Proposition 65 Warning ............................................. 2
Table of Contents ...................................................... 4
Parts Ordering Procedures ....................................... 5
Safety Information .................................................. 6-9
Specifications ...........................................................10
Dimensions .............................................................. 11
General Information ................................................. 12
Components............................................................. 13
Basic Engine ............................................................ 14
Inspection ................................................................. 15
Set-up ................................................................ 16-17
Operation ........................................................... 18-19
Maintenance ...................................................... 20-25
Preparation for Long-Term Storage ......................... 26
Troubleshooting ................................................. 27-29
Explanation Of Code In Remarks Column ............... 30
Suggested Spare Parts ............................................ 31
HONDA GX120K1QX2 Engine
Air Cleaner Assembly......................................... 46-47
Camshaft Assembly ........................................... 48-49
Carburetor Assembly ......................................... 50-51
Control Assembly ............................................... 52-53
Crankcase Cover Assembly ............................... 54-55
Crankshaft Assembly ......................................... 56-57
Cylinder Barrel Assembly ................................... 58-59
Cylinder Head Assembly .................................... 60-61
Fan Cover Assembly .......................................... 62-63
Flywheel Assembly ............................................ 64-65
Fuel Tank Assembly ........................................... 66-67
Ignition Coil Assembly ........................................ 68-69
Muffler Assembly ............................................... 70-71
Piston Assembly ................................................. 72-73
Recoil Starter Assembly..................................... 74-75
Gasket Kit Assembly .......................................... 76-77
Labels ................................................................ 78-79
Terms and Condition Of Sale
Parts .................... 80
Component Drawings
Nameplate and Decals Assy. ............................. 32-33
Waterbox and Flap Valve Assy. (2-inch) ............. 34-35
Pump Assy. (2-inch) ........................................... 36-37
Handle, Engine and Wheel Assy. (2-inch) .......... 38-39
Waterbox and Flat Valve Assy. (3-inch) .............. 40-41
Pump Assy. (3-inch) ........................................... 42-43
Handle, Engine and Wheel Assy. (3-inch) .......... 44-45
NOTICE
Specification and part number are subject to change without notice.
PAGE 4 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
r
PARTS ORDERING PROCEDURES
Ordering parts has never been easier!
Choose from three easy options:
January 1
Effective:
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 Par ts
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.
to log in and save!
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 you 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 NumberDealer Name and AddressShipping Address (if different than billing address)Return Fax NumberApplicable Model NumberQuantity, 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.
Specify Preferred Method of Shipment:UPS/Fed Ex ✓ DHL
Priority One Tr uck
Ground
Next Day
Second/Third Day
www.multiquip.com
WE ACCEPT ALL MAJOR CREDIT CARDS!
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 5
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.
Symbol Safety Hazard
Rotating parts hazards
Electric shock hazards
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 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
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.
Avoid wearing jewelry or loose fitting clothes that may
snag on the controls or moving parts as this can cause serious injury.
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.
 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.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is in operation.
 No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 7
SAFETY INFORMATION
PUMP SAFETY
DANGER
 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.
 NEVER use pump for swimming pool dewatering applications.
This can result in electrical shock or electrocution.
WARNING
 Accidental starting can cause severe injury
or death. ALWAYS place the ON/OFF switch in the OFF position.
DO NOT place hands or fingers inside
pump when pump is running.
 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.
CAUTION
DO NOT pump water greater than 104º F.
DO NOT pump liquids containing acid or alkali.
ALWAYS check strainer before pumping. Make sure
strainer is not clogged. Remove any large objects, dirt or debris from the strainer to prevent clogging.
ALWAYS use a large basket strainer when pumping
water that contains large debris.
ALWAYS flush pump (clean) after use when pumping
water concentrated with heavy debris. It is very important to always flush the pump before turning it off to prevent clogging.
 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.
NEVER lubricate components or attempt service on a
running machine.
ALWAYS allow the machine a proper amount of time to
cool before servicing.
DO NOT restrict the flow of the discharge hose as it may
cause overheating.
 Be careful of discharge whipping under pressure.
NOTICE
ALWAYS place the pump in an upright position on a
platform before using. The platform will prevent the pump frowm burrowing itself on soft sand or mud.
NEVER operate pump on its side.
DO NOT allow up to freeze in water.
NEVER leave an open pump chamber unattended.
ALWAYS keep the machine in proper running condition.
DO NOT attempt to thaw-out a frozen pump by using
a torch or other source of flame. Application of heat in this manner may heat the oil in the seal cavity above the critical point, causing pump damage.
 Keep machine in proper running condition.
ELECTRICAL SAFETY
DANGER
 The electrical voltage required to operate
pump can cause severe injury or even death through physical contact with live circuits. ALWAYS disconnect electrical power from pump before performing maintenance on pump.
NOTICE
 ALWAYS
pump is correct. Always read the pump’s nameplate to determine what the power requirements are.
make certain that the voltage supplied to the
PAGE 8 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
SAFETY INFORMATION
Power Cord/Cable Safety
DANGER
 NEVER let power cords or cables lay in water.
 NEVER use damaged or worn cables or cords. Inspect
for cuts in the insulation.
NEVER grab or touch a live power
cord or cable with wet hands. The possibility exists of electrical shock,
electrocution or death.
 Make sure power cables are securely connected to the
motor's output receptacles. Incorrect connections may cause electrical shock and damage to the motor.
WARNING
 NEVER attempt to use the power cord as a lifting or
lowering device for the pump.
NOTICE
ALWAYS make certain that proper power or extension
cord has been selected for the job. See Cable Selection Chart in this manual.
Grounding Safety
DANGER
 ALWAYS make sure pump is grounded.
 ALWAYS make sure that electrical circuits are properly
grounded to a suitable earth ground (ground rod) per the National Electrical Code (NEC) and local codes before operating generator. Severe injury or death by electrocution can result from operating an ungrounded motor.
LIFTING SAFETY
CAUTION
 When raising or lowering of the pump is required, always
attach an adequate rope or lifting device to the correct lifting point (handle) on the pump.
NOTICE
 DO NOT lift machine to unnecessary heights.
 NEVER lift the equipment while the engine is running.
TRANSPORTING SAFETY
NOTICE
 ALWAYS shutdown pump before transporting.
 ALWAYS tie down equipment during transport by
securing the equipment with rope.
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.
NEVER use gas piping as an electrical ground.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 9
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Table 2. Specifications (Engine)
Model HONDA GX120K1QX2
Air-cooled 4 stroke, Single
Ty p e
Cylinder, OHV, Horizontal
Shaft Gasoline Engine
Engine
Dimension (L x W x H)
Dry Net Weight
Bore X Stroke
Displacement 119 cc (7.2 cu-in)
Max Output 4.0 H.P./2,750 R.P.M.
Fuel Tank Capacity 0.66 US gal. (2.5 liters)
Fuel
Lube Oil Capacity .60 liters (0.63 qts)
Speed Control Method
Starting Method Recoil Start
2.4 in. x 1.7 in.
(60 mm x 42 mm)
Unleaded Automobile
Gasoline
Centrifugal Fly-weight Type
11.7 x 13.4 x 12.5 in.
(297 x 341 x 318 mm)
28.7 lbs (13 Kg.)
PAGE 10 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/D3H — DIMENSIONS (PUMP)
DIMENSIONS
Figure 1. MQ-D2H/D3H Pump Dimensions
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MQ-D2H/D3H — GENERAL INFORMATION
GENERAL INFORMATION
APPLICATION
The
MQD2H
and
MQD3H diaphragm
pumps are designed to be used for de-watering applications. The suction and discharge ports on the
MQD2H
use a 2-inch diameter opening, which allows the pump to pump at rate of approximately 3,000 gallons/hour (gph) or 11,340 liters/hour (lph). The suction and discharge ports on the
MQD3H
use a 3-inch diameter opening, which allows the
Elevation
Higher elevations 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. This is due to the “thinner air” or lack of oxygen at higher altitudes.
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.
pump to pump at rate of approximately 5,400 gallons/hour (gph) or 20,456 liters/hour (lph).
For example, in Flagstaff, Arizona where the elevation is approximately 7,000 feet, the pump would have a suction lift of
Diaphragm pumps use a positive displacement design rather than centrifugal force to move water through the casing. This
only 18 feet rather than the 25 feet at sea level. Table 3 shows suction lift at various elevations.
means the pump will deliver a specific amount of flow per stroke, revolution or cycle. These pumps are commonly referred to as mud hogs, mud hens and mud suckers. Their names reflect their popularity for use in applications where shallow depths and slurry water render centrifugal pumps ineffective.
Power Plant
These diaphragm pumps are powered by a 4.0 horsepower air cooled, 4-stroke, single cylinder that incorporates a low “
HONDA GX120
Oil Alert Feature
” . The drive shaft of the
gasoline engine
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000,6)301.2(09.6)961.3(4.01)602.4(8.31)372.5(3.71
engine is coupled to an offset connecting rod that is coupled to a flexible diaphragm. The connecting rod alternately raises (expands) and lowers (contracts) the diaphragm at a rate of 60
,3(000,01)737.1(07.5)126.2(06.8)474.3(4.11)853.4(3.41
cycles per minute at maximum engine RPM (2,750).
Oil Alert Feature
In the event of
low oil
or
no oil
, the HONDA GX120 engine has
Table 4 shows percentage drops in performance as elevation increases.
a built-in oil alarm engine shut-down feature. In the event the oil level is low the engine will automatically shut-down.
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 place the pump as close to the water as possible.
Pump Support
The pump should always be placed on
solid stationary ground
in a level position.
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PAGE 12 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/D3H — PUMP COMPONENTS
Figure 2 shows a typical application using the MQD2H or MQD3H diaphragm 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 for the MQD2H should not exceed 1­1/2 inches (38.1 mm) in diameter, and maximum size of solids for the MQD3H should not exceed 1-5/8 inches (41.275) 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.
COMPONENTS
NOTE
1. Pump – The Multiquip Models MQD2H and MQD3H are 2-inch and 3-inch diaphragm pumps respectively and are used in general de-watering applications. Typical dewatering applications consist of cleaning out cesspools and septic tanks, draining slow seepage from small excavations, trenches and construction sites, or pumping out industrial waste.
2. Priming Plug/Suction Priming Chamber – Fill with clean water to assist with faster priming times.
3. Discharge Port – Connect either a 2-inch or 3-inch discharge hose to this port depending on pump model.
4. NPT Connection – Used to secure the hose to the inlet and outlet ports on the pump.
Contact your nearest Multiquip dealer for quick disconnect hoses and fittings.
Figure 2. MQ-D2H/D3H Pump Application
6. Suction Port – Connect either a 2-inch or 3-inch inlet
7. Suction Hose – Connect a flexible rubber hose to the
8. Strainer – Always attach a strainer to bottom side of the
9. Transmission Oil Fill Plug – Remove this plug to add
hose to this port depending on pump model.
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.
suction hose to prevent large objects and debris from entering the pump. Strainer should be positioned so that it will remain completely under water.
SAE 80/90 EP (API GL-5) gear oil to the transmission. Transmission oil capacity is 22 ounces (651 ml.).
5. Discharge Hose – Connect a 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.
10. Connecting Rod Grease Access Hole – Grease connecting rod bearing through this access hole. Grease connecting rod bearing every 25 hours of operation.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 13
Figure 3. Engine Controls and
Components
BASIC ENGINE
INITIAL SERVICING
The engine (Figure 3) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the Honda manufacturers engine manual for instructions and details for operation and servicing.
1. Fuel Filler Cap – Remove this cap to add unleaded gasoline to the fuel tank. Make sure cap is tightened securely. DO NOT over fill.
Explosive FuelExplosive Fuel
Explosive Fuel
Explosive FuelExplosive Fuel
DANGER - Explosive Fuel
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.
2. Throttle Lever – Used to adjust engine RPM speed (lever
SLOW
advanced forward
FAST
).
3. Engine ON/OFF Switch – ON position permits engine starting, OFF position stops engine operations.
4. Recoil Starter (pull rope) – Manual-starting method. Pull the starter grip until resistance is felt, then pull briskly and smoothly.
, lever back toward operator
6. Choke Lever – Used in the starting of a cold engine, or in cold weather conditions. The choke enriches the fuel mixture.
7. 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.
NOTE
8. 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.
9. Muffler – Used to reduce noise and emissions.
CAUTION - Burn Hazard
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.
5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop the flow of fuel.
10. Fuel Tank – Holds unleaded gasoline. For additional information refer to engine owner's manual.
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 14 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
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
INSPECTION
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
hot! or running
immediately.
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
In the event of any spilled fuel, wipe up
DO NOT attempt to start the engine until the
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 5). Maximum oil capacity is .63 quarts (.60 liters).
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!
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 15
SETUP
Handle Installation
WARNING - Fill Cap
The MQ-D2H/D3H diaphragm pumps are completely assembled except for the steering handle. Attach the steering handle to the pump base as shown in Figure 6.
DO NOT open be under pressure.
Hoses and Clamps
1. Check that all hoses are Make certain suction hose (Figure 2) does not have any air
GEAR
BOX
leakage. Use teflon tape or pipe dope on NPT threads.
2. Remember suction hoses must be collapse when the pump is in operation.
HANDLE
PUMP BASE
BOLT
WASHER
Check that the
3.
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.
NOTE
Figure 6. Handle Installation
fill cap
discharge
if pump is hot! Water inside may
securely
hose (Figure 2) is not restricted.
attached to the pump.
rigid
enough not to
Suction and discharge hoses are available from Multiquip. Contact your nearest dealer for more information.
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
.
ALWAYS wear approved eye and hearing protection before operating the pump.
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.
4. The discharge hose is usually a hose, however if a thin-walled discharge hose is not avail­able, a rigid suction hose can be substituted in its place.
5. Make sure the 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.
suction strainer
collapsible
(Figure 2) is clean and
(thin-walled)
CAUTION - Transmission Fluid
Transmission fluid needs to be added prior to operation.
PAGE 16 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
SETUP
CAUTION - Strainer
The strainer should be positioned so it will remain completely
under water
water for long periods can damage the pump.
. Running the pump with the strainer above
CAUTION - Flammable Fluids
DO NOT pump flammable fluids, corrosive chemicals or fluids
containing toxic substances. These fluids can create potentially dangerous health and environmental hazards. Contact local authorities for assistance.
NOTE
Connecting Rod Bearing Lubrication
1. Grease connecting rod bearing thru the access hole (Figure 8) every 25 hours of operation.
2. Use only NLG1 Grade #2 consistency.
This pump uses a water-cooled
NOTE
mechanical seal
from seeping into the engine. The
to prevent water
passage of water through the pump casing lubricates the seal and prevents it from overheating.
Gear Reduction Oil (Transmission)
1. Remove the transmission oil level plug (Figure 7). If oil begins to seep out as the plug is being removed, then it can be assumed that the transmission oil is at the proper operating level.
2. If oil does not seep out as the oil level plug is being removed, then remove the transmission oil fill plug and fill with SAE
EP (API GL-5) gear oil
80/90
Transmission oil capacity is capacity is 22 ounces (651 ml).
to the proper operating level.
Figure 8. Connecting Rod Bearing Lubrication
Helpful Hints
Diaphragm pumps will handle fluids containing considerable solids (see Table 1 for maximum solids diameter), however, if the mixture is too heavy to be pumped, water must be added until the mixture becomes sufficently fluid for pumping.
premium lithium based grease
, conforming to
The capacity of this diaphragm pump will vary greatly depending on the height of the suction lift and length of the discharge hose. A discharge hose which is too small, long or high will cause the following:
Excessive bulging of diaphragm on the down stroke.
Valves closing with a loud snap.
Rough operation.
Engine overloads and slow downs.
Reduced efficiency.
Figure 7. Transmission Oil Level
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 17
MQ-D2H/D3H — OPERATION
OPERATION
CAUTION - Read Manual
DO NOT attempt to operate the pump until the
Safety, General Information and Inspection sections of this manual have been
thoroughly understood
This section is intended to assist the operator with the
start-up
section be read carefully before attempting to use the pump in the field.
Starting the Engine (
1. Place the engine
of the trash pump. It is extremely important that this
position.
.
HONDA
fuel valve lever
read and
initial
engine)
(Figure 9) to the "ON"
4. Place the if starting a
5. Place the position.
choke lever
warm engine
Figure 12. Engine Choke Lever (Open)
engine ON/OFF switch
(Figure 12) in the "OPEN " position
or the
temperature is warm.
(Figure 13) in the "ON "
Figure 9. Engine Fuel Valve Lever (ON Position)
2. Move the position, about 1/3 of the way toward the fast position.
3. Place the if starting a
throttle lever
Figure 10. Throttle Lever (1/3 Start Position)
choke lever
cold
engine.
(Figure 10) away from the slow
(Figure 11) in the "CLOSED " position
Figure 13. Engine ON/OFF Switch (ON Position)
6. Grasp the starter grip (Figure 14) and slowly pull it out. The resistance becomes the hardest at a certain position, corre­sponding to the compression point. Pull the starter grip briskly and smoothly for starting.
Figure 14. Starter Grip
Figure 11. Engine Choke Lever (CLOSED)
PAGE 18 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/D3H —OPERATION
OPERATION
7. If the engine has started, slowly return the choke lever (Figure 15 ) to the “OPEN” position. If the engine has not started repeat steps 1 through 6.
Figure 15. Choke Lever (Open)
8. Before the pump is placed into operation, run the engine for several minutes. Check for fuel leaks, and noises that would associate with a lose component.
Stopping The Engine
Normal Shutdown
1. Move the throttle lever to the IDLE position (Figure 17) and run the engine for three minutes at low speed.
2. After the engine “OFF” position (Figure 18).
Figure 17. Throttle Lever (Idle)
cools
, turn the engine ON/OFF switch to the
To begin pumping, place the throttle lever (Figure 16) in the
9.
"RUN" position.
3. Place the position.
Figure 16. Throttle Lever (Run)
Emergency Showdown
Pump speed can be
NOTE
operation can be determined by trying to pump at several speeds. Limit maximum speed to 65 strokes per minute of the diaphragm (2,800 RPM engine speed).
the engine throttle control from full volume, 65 strokes per pinute, to about 40 strokes per minute for lesser volume seepage.Smoothest
regulated
1. Move the throttle lever quickly to the “IDLE
with
place the engine ON/OFF switch in the “OFF” position.
Figure 18. Engine ON/OFF Switch (OFF)
fuel shut-off lever
Figure 19. Fuel Valve Lever (OFF)
(Figure 19) in the ”OFF
position, and
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 19
MAINTENANCE
Pump Vacuum Test
To perform the pump vacuum test do the following:
1. Start the engine as outlined in the initial start-up section, and wait for the pump to begin pumping.
2 Check and make sure that there are no air leaks between
the vacuum tester (Figure 21) and the inlet port on the pump. If air leaks are present reseat vacuum tester.
3. Run the pump for a few minutes while monitoring the vacuum gauge. If the gauge indicates a reading between
-25 and -20 in. Hg. (inches of mercury) then it can be assumed that the pump is working correctly.
22 in. Hg (inches of mercury)
NOTE
4. If the vacuum tester gauge indicates a reading
below
is not functioning correctly, and corrective action needs to be taken.
5. To test the vacuum tester should remain attached to the pump suction inlet port by vacuum. This indicates the pump's flapper valve is seating properly to hold water in the suction hose when the engine is stopped. This prevents backflow and allows for faster priming when the engine is restarted.
-20 in. Hg, it can then be assumed that the pump
flapper valve
translates into 25 feet of lift at
level
.
, shut down the engine. The
Flapper Valve Replacement
1. Remove the two bolts that secure the suction port chamber (Figure 20) to the pump well. Remove suction port chamber. Replace valves as required and reassemble.
sea
2. Remove the two bolts that secure the discharge port (Figure 20) to the pump well. Remove discharge port plate.Replace valves as required and reassemble.
Gear Reduction Oil (Transmission)
1. Check gearbox oil level every at least once a week; more often if any leakage is detected around the gearbox.
2. Change transmission oil after the first operation. Use SAE 80/90 Transmission oil capacity is 22 ounces (651 ml.). Check oil level periodically and change oil after every of operation.
Figure 20. Flapper Valve Replacement
20 hours
of operation or
40 hours
EP (API GL-5) gear oil.
350 hours
of
Connecting Rod Bearing Lubrication
1. Grease connecting rod bearing (Figure 8) every 8 hours of operation.This is done by rotating the rod bearing to the 12 o'clock position. At this point the grease fitting will be visible through the guard hole.
2. Use only to NLG1 Grade #2 consistency.
3. Remove connecting rod guard occasionally and wipe up excess grease from connecting rod bearing.
PAGE 20 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
premium lithium based grease
, conforming
MAINTENANCE
NOTE
Figure 21. Pump Vacuum Tester
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 21
Pressure reading may vary depending on altitude. See Tables 4 and 5.
MAINTENANCE
Rotation of Suction and Discharge Ports
In some applications, it may be preferable to have suction/ discharge ports rotated 90° (Figure 22) to be in-line with the pump wheels. Perform the following procedure to rotate ports:
1. Remove the four hex head cap screws, hex nuts, flat washers and lock washers from the pump base.
2. Push pump well downwards to separate from pump base.
3. Rotate pump well 90° clockwise so that driver is positioned over top of discharge plate.
4. Align pump well, pump base, and diaphragm with each other. Once all components have been properly aligned, reinstall the four hex head cap screws, hex nuts, flat and lock washers and tighten securely.
Stalled Pump
If pump has stalled for any unknown reason perform the following:
1. Remove handle from pump. See Figure 6.
2. Remove the four hex head cap screws, hex nuts, flat
3. Push pump well downwards (Figure 23) to separate from
4. Clean and remove all dirt and debris from pump well.
5. Align pump well, pump base, and diaphragm with each
CAUTION - Stalled or Stopped Pump
If pump has stopped or stalled for any unknown reason,
clean out pump cavity (well)
comply could result in damage to plunger arm or other internal pump components.
washers and lock washers from the pump base.
pump base.
other. Once all components have been properly aligned, reinstall the four hex head cap screws, hex nuts, flat and lock washers and tighten securely.
thoroughly. Failure to
Figure 22. Suction/Discharge Port Rotation
Clearing a Jam-Up
If large solids or an accumulation of sand or other sediment becomes lodged in the pump well, preventing the plunger arm from making a full stroke; the pump may stall, the crank could slip on the output shaft, or the plunger arm could incur extreme damage and shear.
If a jam-up does occur, the pump should be thoroughly cleaned as described on the “Pump Stalls” section.
PAGE 22 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
Pump jamming with an over-torqued lock screw (plunger arm) may cause internal damage. Under torqueing may allow the output shaft to spin and wear parts prematurely causing replacement.
Figure 23. Pump Well (Clean-out)
WARNING - Lock Screw Torqueing
MAINTENANCE
Seized Plunger
If the plunger arm has seized, perform the following:
1. Remove plunger guard (Figure 24) by turning guard hand knob counterclockwise to loosen.
2. Disassemble pump and clean as described in steps 1 thru 4 in the "Stalled Pump" section.
3. Using a torque wrench, torque lock screw (Figure 24) to 70 ft.-lbs. (9.6 kg-m).
Diaphragm Replacement
1. Remove plunger cover as shown in step 1 of the "Seized Plunger" section.
2. Remove handle as shown in Figure 6 of the "Handle Installation" section.
3. Rotate pump output shaft until plunger arm is in the down position.
4. Remove the four hex head cap screws, hex nuts, flat washers and lock washers from the pump base.
5. Push pump well downwards to separate from pump base.
6. Remove the three carriage bolts (Figure 25) that secure the diaphragm to the plunger arm base. Remove diaphragm.
7. Replace diaphragm, reassemble in reverse order.
Figure 24. Lock Screw Torqueing
Figure 25. Diaphragm Replacement
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 23
Engine Maintenance
Perform engine maintenance procedures as referenced by Table 7 below:
MAINTENANCE
eludehcSecnanetniaMenignE.7elbaT
TSRIF
)3(NOITPIRCSEDNOITAREPOEROFEB
KCEHCX
liOenignE
EGNAHCX
KCEHCX
renaelCriA
EGNAHC)1(X
stloB&stuNllA
gulPkrapS
sniFgnilooCKCEHCX
retserrAkrapSNAELC X
knaTleuFNAELC X
fInethgit-eR
yrasseceN
NAELC-KCEHCX
ECALPER X
X
HTNOM
RO
.SRH01
YREVE
SHTNOM3
RO
.SRH52
YREVE
SHTNOM6
RO
.SRH05
YREVE
RAEY
RO
01
.SRH0
YREVE
SRAEY2
RO
.SRH002
retliFleuFKCEHC X
DA-KCEHC )2(X
nidesunehwylt
resebdluohssmetiesehT)2(
serudecorpecivresroflaunaMpohsADNOHehtotrefeR.tneiciforp
reporpenimretedotnoitarepofosruohgol,esulaicremmocroF)3(
.slavretniecnanetniam
yllacinahcemeradnaslootreporpehtevahuoysselnu,relaedcivresruoyybdeciv
NOTE
deepSeldITSUJ
ecnaraelCevlaVTSUJDA-KCEHC )2(X
senilleuFKCEHC )2()yrassecenfiecalper(sraey2yrevE
neuqerferomecivreS)1( YTSUD .saera
Reference manufacturer engine manual for specific servicing instructions.
PAGE 24 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MAINTENANCE
Maintenance
Perform the engine maintenance procedures as indicated below:
DAILY
Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the spring box and bellows for oil leaks. Repair or replace as needed.
WEEKLY
Remove the fuel filter cap and clean the inside of the fuel tank.
Remove or clean the filter at the bottom of the tank.
Remove and clean the spark plug (Figure 26), then adjust the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm). This unit has electronic ignition, which requires no adjustments.
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element as
2. Tap the paper filter element (Figure 28) several times on a
3. Clean foam element in warm, soapy water or nonflammable
DANGER - Combustion (Fire , Explosion)
DO NOT use gasoline as a cleaning solvent. The possibility
exists of fire or explosion.
shown in Figure 28.
hard surface to remove dirt, or blow compressed air [not exceeding 30 psi (207 kPa, 2.1 kgf/cm element from the air cleaner case side. Brushing will force dirt into the fibers. Replace the paper filter element if it is excessively dirty.
solvent. Rinse and dry thoroughly. Dip the element in clean engine oil and completely squeeze out the excess oil from the element before installing.
2
)] through the filter
NEVER
brush off dirt.
Figure 26. Spark Plug Gap
ENGINE OIL
warm
1. Drain the engine oil when the oil is Figure 27.
2. Remove the oil drain bolt and sealing washer and allow the oil to drain into a suitable container.
3. Replace engine oil with recommended type oil as listed in Table 5. Engine oil capacity is .63 quarts (.60 liters). DO NOT overfill.
4. Install drain bolt with sealing washer and tighten se­curely.
as shown in
Figure 28. Engine Air Cleaner
Figure 27. Engine Oil (Draining)
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 25
PREPARATION FOR LONG-TERM STORAGE
Pump Storage
For storage of the pump for over 30 days, the following is required:
Drain the fuel tank completely.
Run the engine until the fuel is completely consumed.
Completely drain used oil from the engine crankcase and fill with fresh clean oil, then follow the procedures described in the engine manual for engine storage.
Remove the pump cover and clean inside of pump housing. Coat inside of pump housing with a light film of oil to reduce corrosion. A spray can of oil works well for this application.
Cover suction and discharge ports with duct tape to prevent any foreign matter from falling into pump.
Cover pump and engine with plastic covering or equivalent and store in a clean, dry place.
PAGE 26 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MOTPMYS MELBORPELBISSOP NOITULOS
tratsottluciffiD
?egdirbgniebgulpnoitingI .metsysnoitingikcehC
TROUBLESHOOTING
GNITOOHSELBUORTENIGNE.8ELBAT
.)elbacnoisnethgihta
rewoP(.etingitonlliw TON
noisserpmoc(setingi )lamron .
noisserpmoc(setingi wol .)
yrotcafsitastonnoitarepO
gulpkrapstubelbaliavasileuF
elbaliavarewoP(.etingitonlliw
?srotalusni
gulpkrapstubelbaliavasileuF
.)elbacnoisnethgihtaelbaliava
?stisoped
gulpkrapsdnaelbaliavasileuF
gulpkrapsdnaelbaliavasileuF
?etauqedani
?)tsud
?nrowrednilyC .rednilycecalpeR
?esoolgulpkrapS .gulpkrapsnehgiT
?noitingitatisopednobraC .noitingiecalperronaelC
evitcefedoteudtiucrictrohS
?pagkrapsreporpmI .pagtcerrocehtotpaggulpkrapsteS
?hctiwspotstatiucrictrohS .evitcefedfihctiwspotsecalpeR.tiucrichctiwspotskcehC
?evitcefedliocnoitingI .liocnoitingiecalpeR
nobrachtiwdeggolcrelffuM
siytilauqleufdexiM
,retaw(etauqedaniesunileuF
?deggolcrenaelCriA .renaelcriaecalperronaelC
?teksagdaehrednilycevitcefeD .teksagdaehecalperrostlobdaehrednilycnethgiT
.srotalusniecalpeR
.relffumecalperronaelC
.erutximliootleufkcehC
.leufhserfhtiwecalperdnametysleufhsulF
?deggolcrenaelcriA .renaelcriaecalperronaelC
elbaliavarewophguonetoN
-ssimon,lamronnoisserpmoc(
.)gnirif
elbaliavarewophguonetoN
-ssim,lamronnoisserpmoc(
.)gnirif
?)tsud
.staehrevoenignE
?enilleufniriA .enilleufmorf)riaevomer(deelB
?reporpmirebmahc
.nobrac
taolfrotaerubracnilevelleuF
?rednilycnistisopednobraC rednilycecalperronaelC
?evitcefedliocnoitingI .leufhserfhtiwecalperdnametysleufhsulF
?strohsnetfogulpnoitingI .noitinginaelc,seriwnoitingiecalpeR
,retaw(etauqedaniesunileuF
ninoitsopednobracevissecxE
?rebmahcnoitsubmoc
htiwdeggolcrelffumrotsuahxE
?tcerrocnieulavtaehgulpkrapS .gulpkrapsepyttcerrochtiwgulpkrapsecalpeR
taolfrotaerubractsujdA
.leufhserfhtiwecalperdnametysleufhsulF
.esacknarcecalperronaelC
.relffumecalperronaelC
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 27
TROUBLESHOOTING
MOTPMYS MELBORPELBISSOP NOITULOS
yrotcafsitastonnoitarepO
?reporpmitnemtsujdaronrevoG .reveltcerrocotronrevogtsujdA
?evitcefedgnirpsronrevoG .noitingiecalperronaelC
.setautculfdeepslanoitatoR
?citarrewolfleuF .enilleufkcehC
)deunitnoC(GNITOOHSELBUORTENIGNE.8ELBAT
.ylreporp
gnikrowtonretratslioceR
SYMPTOM POSSIBLE PROBLEM SOLUTION
Pump does not take on water.
?enil
noitcushguorhtninekatriA
?trapgnitatornitsuD .ylbmessaretratsliocernaelC
?eruliafgnirpsgnirpS .gnirpslairpsecalpeR
.enilnoitcuskcehC
TABLE 9. PUMP TROUBLESHOOTING
Not enough priming water in the housing? Add water to suction chamber.
Engine speed too low? Increase throttle.
Strainner plugged? Clean strainer.
Suction hose damaged? Replace or repair hose, and clamps
Air leak at suction port? Check that fittings are tight and properly sealed.
Pump is located too high above water line? Move pump closer to water.
Debris collecting in pump housing? Clean pump housing.
Water leaking out weep hole between pump and
engine?
Check condition of mechanical seal and gaskets,
between pump end and engine housing.
Check that valves are seated correctly. Pour water in in suction chamber to help seal valves.
Pump takes in water, little or no discharge.
Suction hose leaks at inlet.
Discharge hose does not stay
on coupling.
Valves not seated correctly?
Pump does not prime correctly? Check diaphragm for breaks or leaks.
Engine speed too low? Increase throttle speed.
Suction strainer partially plugged? Clean strainer.
Teflon Tape/Pipe Dope not used? Apply teflon tape or pipe dope to NPT fittings.
Hose diameter is too large? Use same diameter on suction/discharge ports.
Pressure too high? Check pressure, add additional clamp.
Hose kinked or end blocked? Check hose.
PAGE 28 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
TROUBLESHOOTING
)deunitnoC(GNITOOHSELBUORTPMUP.9ELBAT
MOTPMYSMELBORPELBISSOPNOITULOS
?deepsdeepsenignetcerrocnI .deepsenigneesaercnI
ggolcsignipiP .gnipipecalperronaelC
?pmupdeggolC .llewpmupnaelC
.wolssietarwolF
?esohcsidelbispalloC .esohelbispallocnonrodigrhtiwecalpeR
?gnolootsenilesoH .senilesohnetrohS
?gnipipnoitcusytluaF .gnipipecalpeR
.diulfontubsnurpmuP
spotsdnastratspmuP
.gnipmup
sipmupelihwesionevissecxE
.noitareponi
?desolcevlavetaG .evlavetagnepO
?reniartsdeggolC .reniart
?enilnoitcusnikaeL .eni
?evlavtoofnikaeL .evlavecalperroriapeR
ucestonpmuP.pmuperuceS
?enilnoitcusdetcirtser .noitcirtsertcerrocronaelC
?degamadrode
?ezisrednurodetcirtserenilegrahcsiD .ecalp
?sdnebesohynamooT .esohnethg
ulfmorfrafootdetacolpmuP .ecruosotresolcpmupevoM
?hgihootthgiehegrahcsiD .thgiehehtrewoL
eppalfdeggolcroevitcefeD .sevlavreppalfecalperronaelC
?ylreporpder
?ecruosdi
?elohrokcarcasahmgarhpaiD .mgarhpaidecalpeR
?sevlavr
errognipiptuohsulF
iartS
secalperronaelC
lnoitcusriapeR
elohrokcarcsahmgarhpaiD .mgarhpaidecalpeR
fopotnoneesebnacretaW
.mgarhpaid
tspmuP
spotsroyldetaeperslla
.nosaertnerappaonrof
airetaM .llewpmuptuonaelC
?
?mgarhpaidgnidlohesoolwercS .wercsnethgiT
?daehfo)sretem26.7(teef52revosithgiehegrahcsiD.thgiehrewoL
?llewpmupnidemmajl
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 29
EXPLANATION OF CODE IN REMARKS COLUMN
The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if there are any questions.
NOTICE
The contents and part numbers listed in the parts section are subject to change without notice. Multiquip does not guarantee the availability of the parts listed.
SAMPLE PARTS LIST
NO. PART NO. PART NAME QTY. REMARKS
1 12345 BOLT ......................1 .....INCLUDES ITEMS W/%
2% WASHER, 1/4 IN. ...........NOT SOLD SEPARATELY
2% 12347 WASHER, 3/8 IN. ...1 .....MQ-45T ONLY
3 12348 HOSE ..................A/R ...MAKE LOCALLY
4 12349 BEARING ..............1 .....S/N 2345B AND ABOVE
NO. Column
Unique Symbols — All items with same unique
symbol
QTY. Column
Numbers Used — Item quantity can be indicated by a
number, a blank entry, or A/R.
A/R (As Required) is generally used for hoses or other parts that are sold in bulk and cut to length.
A blank entry generally indicates that the item is not sold separately. Other entries will be clarified in the “Remarks” Column.
REMARKS Column
Some of the most common notes found in the “Remarks” Column are listed below. Other additional notes needed to describe the item can also be shown.
Assembly/Kit — All items on the parts list with the same unique symbol will be included when this item is purchased.
Indicated by:
“INCLUDES ITEMS W/(unique symbol)”
(@, #, +, %, or >) in the number column belong to the same assembly or kit, which is indicated by a note in the “Remarks” column.
Duplicate Item Numbers — Duplicate numbers indicate multiple part numbers, which are in effect for the same general item, such as different size saw blade guards in use or a part that has been updated on newer versions of the same machine.
NOTICE
When ordering a part that has more than one item number listed, check the remarks column for help in determining the proper part to order.
PART NO. Column
Numbers Used — Part numbers can be indicated by a
number, a blank entry, or TBD.
TBD (To Be Determined) is generally used to show a part that has not been assigned a formal part number at the time of publication.
A blank entry generally indicates that the item is not sold separately or is not sold by Multiquip. Other entries will be clarified in the “Remarks” Column.
Serial Number Break — Used to list an effective serial number range where a particular part is used.
Indicated by:
“S/N XXXXX AND BELOW” “S/N XXXX AND ABOVE” “S/N XXXX TO S/N XXX”
Specific Model Number Use — Indicates that the part is used only with the specific model number or model number variant listed. It can also be used to show a part is NOT used on a specific model or model number variant.
Indicated by:
“XXXXX ONLY” “NOT USED ON XXXX”
“Make/Obtain Locally” — Indicates that the part can be purchased at any hardware shop or made out of available items. Examples include battery cables, shims, and certain washers and nuts.
“Not Sold Separately” — Indicates that an item cannot be purchased as a separate item and is either part of an assembly/kit that can be purchased, or is not available for sale through Multiquip.
PAGE 30 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/D3H DIAPHRAGM PUMP
SUGGESTED SPARE PARTS
1 TO 3 UNITS
HONDA
Qty. P/N Description
3 ............ 17210ZE0505 ....... ELEMENT AIR CLEANER DUAL
3 ............ 9807955846 .......... SPARK PLUG
1 ............ 17620ZH7023 ....... CAP, FUEL WITH GASKET
1 ............ 28462ZH8003 ....... ROPE STARTER
1 ............ 336030000 ............ DIAPHRAGM 2-INCH
1 ............ 213200000 ............ DIAPHRAGM 3-INCH
2 ............ 336007090 ............ FLAP VALVE 2-INCH
2 ............ 335407090 ............ FLAP VALVE 3-INCH
1 ............ 212400000 ............ PLUG, 2 & 3-INCH FILL
1 ............ 212500000 ............ PRIMING PLUG GASKET, 2 & 3-INCH
1 ............ C23017000 ........... STRAINER 2-INCH
1 ............ 168000000 ............ STRAINER 3-INCH
GX120K1QX2
NOTE
WITH
ENGINE
Part number on this Suggested Spare Parts List may super cede/ replace the P/N shown in the text pages of this book.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 31
NAMEPLATE AND DECALS ASSY.
MQ-D2H/3H — NAMEPLATE AND DECALS ASSY.
NAME PLATE AND DECALS ASSY.
PAGE 32 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/3H — NAMEPLATE AND DECALS ASSY.
NAMEPLATE AND DECALS ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 DCL1261 DECAL, GREASE MONTHLY 1
2 DECAL, NAMEPLATE .................................................. 1 .......... CONTACT MQ PARTS DEPT
3 205901900 DECAL, CAUTION, KEEP GUARDS IN PLACE 1 4 335425200 DECAL, CAUTION, AVOID EQUIPMENT DAMAGE 1 5 205200200 DECAL, CAUTION, AVOID PERSONAL INJURY 1 6 512910 DECAL, MQ LOGO 1
NAME PLATE AND DECALS ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 33
MQD2H — WATERBOX AND FLAP VALVE ASSY.
WATERBOX AND FLAP VALVE ASSY. (2-INCH)
PAGE 34 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQD2H — WATERBOX AND FLAP VALVE ASSY.
WATERBOX AND FLAP VALVE ASSY. (2-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 336005001 SUCTION PRIMING CHAMBER 1 2 212400000 PRIMING PLUG 1 3 212500000 PRIMIMG PLUG GASKET 1 4 316017000 NPT PIPE NIPPLES (PACK OF TWO) 1 5 176601300 BOLT 1/2”-13 X 1-1/2" 4 5 175900100 BOLT 3/8"-16 X 1-1/2" 4 6 212100000 RETAINER PIN 1/8" X 3/8" 2 8 336007090 FLAPPER VALVE ASSY 2 11 336000101 PUMP WELL 1 12 336005201 DISCHARGE PLATE 1 13 176001100 CARRIAGE BOLT 3/8"-16 X 2-1/4" 3 14 336009200 DIAPHRAGM RETAINER 1 15 336030000 DIAPHRAGM 1 16 C23017000 NPT STRAINER 3/8" HOLES 1 17 178000000 NUT, HEX 3/8"-16 3 18 176601600 BOLT 1/2"-13 X 2-1/4" 4 19 179800200 FLAT WASHER 1/2" 4 20 179800100 SPLIT LOCKWASHER 1/2" 8 20 179300100 SPLIT LOCKWASHER 3/8" 8 21 178200100 NUT 1/2"-13 4
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 35
PUMP ASSY. (2-INCH)
MQD2H —PUMP ASSY.
PAGE 36 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQD2H —PUMP ASSY.
PUMP ASSY. (2-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 336019100 INTERNAL RETAINING RING 1-1/2" 1
2 336019000 PLUNGER BEARING ................................................ 1 ...... INCLUDES ITEMS W/#
3 336009001 PLUNGER ARM 1 4 180103000 SPACER 5/8" X 1-1/16" 1 5 336009401 CRANK 1 6 173800100 SOCKET SET SCREW 5/16"-18 X 1/2" 1 7 176601800 BOLT 1/2"-13 X 2-3/4" 1 8# LOCKNUT 3/4" -16 1 9 214800000 OIL SEAL 1 10 335409001 GEAR BOX OUTPUT HALF 1 11 335419000 OUTPUT BALL BEARING #6307 1 12 171700200 DOWEL PIN 1/4" X 3/4" 2 13 335419100 INTERMEDIATE BALL BEARING #6304 2 14 335430000 GASKET 1 15 335412100 IDLER PINION SHAFT 1 16 215700000 WOODRUFF KEY #406 1/8" X 3/4" 1 17 335414001 OUTPUT SHAFT 1 18 214100000 WOODRUFF KEY #1008 5/16" X 1" 1 19 335412000 OUTPUT GEAR 1 20 214900000 INTERNAL SPUR GEAR 1 21 180606400 EXTERNAL RETAINING RING 1-1/8" 1 22 335419200 IDLER BALL BEARING #6302 1 24 335409101 GEAR BOX INPUT HALF 1 25 176700200 NPT PIPE PLUG 1/4" 2 26 335410600 LIFT BRACKET 1 27 178800100 LOCK WASHER 1/4" 12 28 171800400 BOLT 1/4"-20 X 7/8" 12 29 176700100 NPT PIPE PLUG 1/2" 1 30 335419400 INPUT PINION BALL BEARING OPEN #6007 1 31 335412200 INPUT PINION 1 32 214800100 OIL SEAL, INPUT PINION 1 33 335419300 INPUT PINION BALL BEARING SEALED #6007 1 34 151700100 KEY 3/16" X 3/16" X 1-1/2" 1 35 218100500 O-RING #143 BUNA N 1 37 335409301 ADAPTER (GASOLINE ENGINE) 1 38 174500200 FLANGE SCREW 5/16"-18 X 3/4" 4 39 176601300 BOLT 1/2"-13 X 1-1/2" 2 39 175900100 BOLT 3/8"-16 X 1-1/2" 2 40 179800100 SPLIT LOCKWASHER 1/2" 2 40 179300100 SPLIT LOCKWASHER 3/8" 2 41 336002001 PUMP BASE 1 42 335410300 PLUNGER GUARD 1 43 171601000 KNOB 1/4"-20 X 1/2" 2
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 37
MQD2H —HANDLE, ENGINE, AND WHEEL ASSY.
HANDLE, ENGINE AND WHEEL ASSY. (2-INCH)
7
8
16
9
17
20
10
18
19
6
1
2
3
5
11
12
13
15
14
PAGE 38 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQD2H —HANDLE, ENGINE, AND WHEEL ASSY.
HANDLE, ENGINE AND WHEEL ASSY. (2-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 335411690 HANDLE .................................................................... 1 ...... REPLACES 215200000
2 13178 BOLT 1/2"-13 X 2-1/4" ............................................... 2 ...... REPLACES 176601300 &
175900100
3 0447 FLAT WASHER 1/2" ................................................... 2 ...... REPLACES 179800100 &
179300100
5 335410800 ENGINE MOUNT 1
6# TBD BOLT 4 7 163000700 HONDA GX120 ENGINE 1 8# TBD BOLT 4 9# TBD WASHER 4 10# TBD NUT 4 11 173401300 BOLT 1/4"-20 X 3" 2 12 178900000 SAE WASHER 1/4" 2 13 174500200 FLANGE BOLT 5/16-18 X 3/4" 4 14 176600000 FLANGE NUT 1/4"-20 2 15 178202000 NUT 5/8"-18 2 16 335410900 WHEEL BRACKET 2 17 166300000 WHEEL 2 18 179900000 WASHER 5/8" 2 19 176900000 BOLT 5/8"-18 X 4" 2 20 335A42090 KIT, HARDWARE, GASOLINE ENGINE ADAPTER
(PACK OF 4) .............................................................. 1 ...... INCLUDES ITEMS W/#
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 39
MQD3H —WATERBOX AND FLAP VALVE ASSY.
WATERBOX AND FLAP VALVE ASSY. (3-INCH)
PAGE 40 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQD3H —WATERBOX AND FLAP VALVE ASSY.
WATERBOX AND FLAP VALVE ASSY. (3-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 212300001 SUCTION PRIMING CHAMBER 1 2 212400000 PRIMING PLUG 1 3 212500000 PRIMIMG PLUG GASKET 1 4 327017000 NPT PIPE NIPPLES (PACK OF TWO) 1 5 176601300 BOLT 1/2”-13 X 1-1/2" 4 6 212100000 RETAINER PIN 1/8" X 3/8" 2 8 335407090 FLAPPER VALVE ASSY 2 11 212000001 PUMP WELL 1 12 213100001 DISCHARGE PLATE 1 13 176601500 CARRIAGE BOLT 1/2"-13 x 2" 3 14 213300000 DIAPHRAGM RETAINER 1 15 213200000 DIAPHRAGM 1 16 168000000 NPT STRAINER 3/8" HOLES 1 17 178200100 NUT, HEX 1/2"-13 5 18 176601600 BOLT 1/2"-13 X 2-1/4" 2 19 179800200 FLAT WASHER 1/2" 2 20 179800100 SPLIT LOCKWASHER 1/2" 6
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 41
MQD3H — PUMP ASSY.
PUMP ASSY. (3-INCH)
3
4
3
2
1
4
44
5
2
40
6
OLD STYLE PLUNGER ASSY.
8
37
7
27
28
1
33
34
38
31
26
24
29
35
32
30
28
27
25
21
13
22
12
18
NEW STYLE
PLUNGER ASSY.
42
43
11
12
17
19
20
10
16
15
13
14
39
2
9
40
NOTES:
TORQUE TO 7-8 FT. LBS.
1
41
TORQUE TO 55-60 FT. LBS.
2
OLD STYLE PLUNGER ARM, ITEM 3,
3
NO LONGER AVAILABLE. IF REPLACEMENT IS REQUIRED, ORDER NEW STYLE PLUNGER ASSY. PARTS.
PAGE 42 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQD3H — PUMP ASSY.
PUMP ASSY. (3-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 170400200 FLAT HD MACH SCHREW #10-32 X 1/2" ................. 6 ...... OLD STYLE PLUNGER
2 213600000 BEARING RETAINER ................................................ 2 ...... OLD STYLE PLUNGER
3 PLUNGER ARM ........................................................ 1 ...... NO LONGER AVAILABLE
3 213400001 PLUNGER ARM ........................................................ 1 ...... NEW STYLE PLUNGER
4 213800090 PLUNGER BEARING ................................................ 1 ...... REPLACES P/N 213800000
5 214000001 CRANK 1 6 173800100 SOCKET SET SCREW 5/16"-18 X 1/2" 1 7 176601800 BOLT 1/2"-13 X 2-3/4" 1 8 178401000 LOCKNUT 3/4" -16 1 9 214800000 OIL SEAL 1 10 335409001 GEAR BOX OUTPUT HALF 1 11 335419000 OUTPUT BALL BEARING #6307 1 12 171700200 DOWEL PIN 1/4" X 3/4" 2 13 335419100 INTERMEDIATE BALL BEARING #6304 2 14 335430000 GASKET 1 15 335412100 IDLER PINION SHAFT 1 16 215700000 WOODRUFF KEY #406 1/8" X 3/4" 1 17 335414000 OUTPUT SHAFT 1 18 214100000 WOODRUFF KEY #1008 5/16" X 1" 1 19 335412000 OUTPUT GEAR 1 20 214900000 INTERNAL SPUR GEAR 1 21 180606400 EXTERNAL RETAINING RING 1-1/8" 1 22 335419200 IDLER BALL BEARING #6302 1 24 335409101 GEAR BOX INPUT HALF 1 25 176700200 NPT PIPE PLUG 1/4" 2 26 335410600 LIFT BRACKET 1 27 178800100 LOCK WASHER 1/4" 12 28 171800400 BOLT 1/4"-20 X 7/8" 12 29 176700100 NPT PIPE PLUG 1/2" 1 30 335419400 INPUT PINION BALL BEARING OPEN #6007 1 31 335412200 INPUT PINION 1 32 214800100 OIL SEAL, INPUT PINION 1 33 335419300 INPUT PINION BALL BEARING SEALED #6007 1 34 151700100 KEY 3/16" X 3/16" X 1-1/2" 1 35 218100500 O-RING #143 BUNA N 1 37 335409301 ADAPTER (GASOLINE ENGINE) 1 38 174500200 FLANGE SCREW 5/16"-18 X 3/4" 4 39 176601300 BOLT 1/2"-13 X 1-1/2" 4 40 179800100 SPLIT LOCKWASHER 1/2" 5 41 335400101 PUMP BASE 1 42 335410300 PLUNGER GUARD 1 43 171601000 KNOB 1/4"-20 X 1/2" 2
44 335019000 RETAINER RING ....................................................... 1 ...... NEW STYLE PLUNGER
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 43
MQD3H — HANDLE, ENGINE, AND WHEEL ASSY.
MQ-D3H — HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)
HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)
7
8
16
9
17
20
10
18
19
6
1
2
3
5
11
12
13
15
14
PAGE 44 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
MQ-D2H/D3H — HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)
HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)
NO. PART NO. PART NAME QTY. REMARKS
1 335411690 HANDLE .................................................................... 1 ...... REPLACES 215200000
2 13178 BOLT 1/2"-13 X 2-1/4" ............................................... 2 ...... REPLACES 176601600
3 0447 FLAT WASHER 1/2" ................................................... 2 ...... REPLACES 179800200
5 335410800 ENGINE MOUNT 1 6# TBD BOLT 4 7 163000700 HONDA GX120 ENGINE 1 8# TBD BOLT 4 9# TBD WASHER 4 10# TBD NUT 4 11 173401300 BOLT 1/4"-20 X 3" 2 12 178900000 SAE WASHER 1/4" 2 13 174500200 FLANGE BOLT 5/16-18 X 3/4" 4 14 176600000 FLANGE NUT 1/4"-20 2 15 178202000 NUT 5/8"-18 2 16 335410900 WHEEL BRACKET 2 17 166300000 WHEEL 2 18 179900000 WASHER 5/8" 2 19 176900000 BOLT 5/8"-18 X 4" 2 20 335A42090 KIT, HARDWARE, GASOLINE ENGINE ADAPTER
MQD3H — HANDLE, ENGINE, AND WHEEL ASSY.
(PACK OF 4) .............................................................. 1 ...... INCLUDES ITEMS W/#
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 45
HONDA GX120K1QX2 ENGINE — AIR CLEANER ASSY.
AIR CLEANER ASSY.
PAGE 46 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — AIR CLEANER ASSY.
AIR CLEANER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 16271ZE1000 GASKET, ELBOW 1
2 17210ZE0505 ELEMENT, AIR CLEANER (DUAL) ...................1............. INCLUDES ITEMS W/
3 4 17230ZE0820 COVER, AIR CLEANER (DUAL) 1 5 7# 17238ZE0010 COLLAR, AIR CLEANER 2 8# 17239ZE1000 COLLAR B, AIR CLEANER 1
9 17410ZE0030 ELBOW, AIR CLEANER ................................... 1.............INCLUDES ITEMS W/#
12 90325044000 WINGNUT, TOOL BOX SETTING 2 13 957010602000 BOLT, FLANGE 6X20 1 14 9405006000 NUT, FLANGE 6MM 2
17218ZE0505 FILTER, OUTER 1
*
17232891000 GROMMET, AIR CLEANER 1
*
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 47
CAMSHAFT ASSY.
HONDA GX120K1QX2 ENGINE — CAMSHAFT ASSY.
PAGE 48 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CAMSHAFT ASSY.
CAMSHAFT ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 14100ZE0812 CAMSHAFT ASSEMBLY .................................. 1............. INCLUDES ITEMS W/
2 14410ZE0010 ROD, PUSH 2 3 14431ZE1000 ARM, VALVE ROCKER 2 4 14441ZE1010 LIFTER, VALVE 2 5 14451ZE1013 PIVOT, ROCKER ARM 2 6 7 14711ZF0010 VALVE, IN. 1 8 14721ZF0000 VALVE, EX. 1 9 14751ZF1000 SPRING, VALVE 2 10 14771ZE1000 RETAINER, IN. VALVE SPRING 1 11 14773ZE1000 RETAINER, EX. VALVE SPRING 1 12 14781ZE1000 ROTATOR, VALVE 1 13 14791ZE0010 PLATE, PUSH ROD GUIDE 1 14 90012ZE0010 BOLT, PIVOT 8MM 2 15 90206ZE1000 NUT, PIVOT ADJ. 2
14568ZE1000 SPRING, WEIGHT RETURN 1
*
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 49
HONDA GX120K1QX2 ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
PAGE 50 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 2 3 4 5 6 7 8
9 16100ZH7W51 CARBURETOR ASSEMBLY, BE60B B ............. 1.............INCLUDES ITEMS W/
10 11 12 13 16211ZE0000 INSULATOR, CARBURETOR 1 14 16212ZH7800 GASKET, INSULATOR 1 15 16220ZE1020 SPACER, CARBURETOR 1 16 16221ZH8801 GASKET, CARBURETOR 1
17 16610ZE1000 LEVER, CHOKE (STANDARD) ......................... 1 ............. INCLUDES ITEMS W/+
18 19 20 21 22 23 24# 9430520122 PIN, SPRING (2 X 12) 1 25 99101ZH80550 JET, MAIN (#55) (OPTIONAL) 1 25 99101ZH80580 JET, MAIN (#58) (OPTIONAL) 1 25 26
16010ZE1812 GASKET SET 1
*
16011ZE0005 VALVE SET, FLOAT 1
*
16013ZE0005 FLOAT SET 1
*
16015ZE1811 CHAMBER SET, FLOAT 1
*
16016ZH7W01 SCREW SET 1
*
16024ZE1811 SCREW SET, DRAIN 1
*
16028ZE0005 SCREW SET B 1
*
16044ZE0005 CHOKE SET 1
*
16124ZE0005 SCREW, THROTTLE STOP 1
*
16166ZH7W50 NOZZLE, MAIN 1
*
16173001004 GASKET, FUEL STRAINER CUP 1
*
16953ZE1812 LEVER,VALVE 1
*
16954ZE1811 PLATE, LEVER SETTING 1
*
16956ZE1811 SPRING, VALVE LEVER 1
*
16957ZE1812 GASKET, VALVE 1
*
16967ZE0811 CUP, FUEL STRAINER 1
*
93500030080G SCREW, PAN (3 X 6) 2
*
99101ZH80600 JET, MAIN (#60) 1
*
99204ZE00350 JET, SET, PILOT (#35) 1
*
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 51
CONTROL ASSY.
HONDA GX120K1QX2 ENGINE — CONTROL ASSY.
PAGE 52 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CONTROL ASSY.
CONTROL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
3 16500ZH7820 CONTROL ASSEMBLY (REMOTE) ........... 1 ............ INCLUDES ITEMS W/#
4 16551ZE0010 ARM, GOVERNOR 1 5 16555ZE0000 ROD, GOVERNOR 1 6 16561ZE0020 SPRING, GOVERNOR 1 7 16562ZE0020 SPRING, THROTTLE RETURN 1 8# 16571ZH7000 LEVER, CONTROL 1 9# 16574ZE1000 SPRING, LEVER 1 10# 16575ZH8000 WASHER, CONTROL LEVER 1 11# 16576891000 HOLDER, CABLE 12# 16578ZE1000 SPACER, CONTROL LEVER 1 14# 16580ZH7810 BASE CONTROL 1 15# 16584883300 SPRING, CONTROL ADJUSTING 1 16# 16592ZE1810 SPRING, CABLE RETURN 18 90013883000 BOLT, FLANGE 6X12 (CT200) 1 19 90015ZE5010 BOLT, GOVERNOR ARM 1 20 90022888010 BOLT, FLANGE 6X20 (CT200) 1 21# 90114SA0000 NUT, SELF- LOCK 6MM 1 24# 93500050250H SCREW, PAN 5X25 1 25# 93500050160A SCREW, PAN 1 26 9405006000 NUT, FLANGE 6MM 1
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 53
HONDA GX120K1QX2 ENGINE — CRANKCASE COVER ASSY.
CRANKCASE COVER ASSY.
PAGE 54 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CRANKCASE COVER ASSY.
CRANKCASE COVER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 11300ZE0640 COVER ASSEMBLY, CRANKCASE (W- TYPE)....... 1 .............. INCLUDES ITEMS W/
2 11381ZH7800 GASKET, CASE COVER 1
3 15600ZE1003 CAP ASSEMBLY, OIL FILLER ................................ 1 .............. INCLUDES ITEMS W/
4 15600ZG4003 CAP ASSEMBLY, OIL FILLER ................................ 1 .............. INCLUDES ITEMS W/+
7# 15625ZE1003 GASKET, OIL FILLER CAP 1
+ 15625ZE1003 GASKET, OIL FILLER CAP 1
8 9 90015883000 BOLT, FLANGE 6X28 7 10 11 12 9430108140 PIN A, DOWEL 8X14 2
91001878003 BEARING, RADIAL BALL 1
*
91203ZE0003 OIL SEAL 22X41X6 1
*
*
#
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 55
HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
CRANKSHAFT ASSY.
HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
PAGE 56 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
CRANKSHAFT ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 13310ZE0601 CRANKSHAFT, H-TYPE 1 2 90745ZE1600 KEY 4.78 X4.78X38 1
HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 57
HONDA GX120K1QX2 ENGINE — CYLINDER BARREL ASSY.
CYLINDER BARREL ASSY.
PAGE 58 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CYLINDER BARREL ASSY.
CYLINDER BARREL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
2 120A0ZH7810 CYLINDER ASSEMBLY (OIL ALERT) ........ 1 ............ INCLUDES ITEMS W/
3 15510ZE1033 SWITCH ASSEMBLY, OIL LEVEL 1
4 16510ZE1000 GOVERNOR ASSEMBLLY ......................... 1 ............ INCLUDES ITEMS W/
5# 16511ZE1000 WEIGHT, GOVERNOR 2 6
# 16512ZE1000 HOLDER, GOVERNOR WEIGHT 1 # 16513ZE1000 PIN, GOVERNOR WEIGHT 2
7 8 16531ZE1000 SLIDER, GOVERNOR 1 9 16541ZE1000 SHAFT, GOVERNOR ARM 1 10 90131ZE1000 BOLT, DRAIN PLUG 2 11 90451ZE1000 WASHER, THRUST 6mm 1 12 90601ZE1000 WASHER, DRAIN PLUG 10.2mm 2 13 90602ZE1000 CLIP, GOVERNOR HOLDER 1 14 15 16 91353671003 O- RING 13.5X1.5 (ARAI) 1 17 9405010000 NUT, FLANGE 10mm 1 18 9410106800 WASHER, PLAIN 6mm 2 19 9425108000 PIN, LOCK 8mm 1 20 957010601200 BOLT, FLANGE 6X12 2
91001878003 BEARING, RADIAL BALL 62/22 1
*
91202ZE6003 OIL SEAL 22X35X6 1
*
*
#
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 59
HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
CYLINDER HEAD ASSY.
HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
PAGE 60 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
CYLINDER HEAD ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 12210ZH7000 CYLINDER HEAD .................................................. 1 .............. INCLUDES ITEMS W/
2 3 4 5 12251ZH7800 GASKET, CYLINDER HEAD 1 6 12310ZE1000 COVER, HEAD 1 6 12310ZE1010 COVER, HEAD 1 7 12391ZE1000 GASKET, CYLINDER HEAD COVER 1 8 15721ZH8000 TUBE, BREATHER 1 9 90013883000 BOLT, FLANGE 6X12 (CT200) 4 10 90043ZE1020 BOLT, STUD 6X109 2 11 90047ZE1000 BOLT, STUD 8X32 2 12 9430110160 PIN, A, DOWEL 10X16 2 14 957230805500 BOLT, FLANGE 8X55 4 15 9807955846 SPARK PLUG BPR6ES (NGK) 1
12204ZE1306 GUIDE, VALVE (OS) OPTIONAL 1
*
12205ZE1315 GUIDE, EX. VALVE (OS) OPTIONAL ................... 1 .............. INCLUDES ITEMS W/+
*
+ 12216ZE5300 CLIP, VALVE GUIDE 1
*
HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 61
FAN COVER ASSY.
HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
PAGE 62 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
FAN COVER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 11347371300 GROMMET, ADJUSTING COVER 1 2 19610ZE0000ZE COVER, FAN *NH1* BLACK 1 3 19611ZH7810 PLATE, SIDE (OIL ALERT) 1 4 90601ZH7013 CLIP, HARNESS 1 5 19630ZH7000 SHROUD 1 6 32197ZH8003 SUB- HARNESS 1 7 36100ZE1015 SWITCH ASSEMBLY, ENGINE STOP 1 7 36100ZH7003 SWITCH ASSEMBLY, ENGINE STOP 1 8 36101ZE1010 WIRE, STOP SWITCH 370MM 1 9 90013883000 BOLT, FLANGE 6X12 (CT200) 6 10 90022888010 BOLT, FLANGE 6X12 (CT200) 1 11 34150ZH7003 ALERT UNIT, OIL 1 13 957010600800 BOLT, FLANGE 6X8 1
HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 63
FLYWHEEL ASSY.
HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
PAGE 64 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
FLYWHEEL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 13331357000 KEY, SPECIAL WOODRUFF 25X18 1 2 19511ZE0000 FAN, COOLING 1 4 28451ZH8003 PULLEY, STARTER 1 5 31100ZE0010 FLYWHEEL 1 7 90201878003 NUT, SPECIAL 14MM 1
HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 65
FUEL TANK ASSY.
HONDA GX120K1QX2 ENGINE — FUEL TANK ASSY.
HONDA GX120K1QX2 ENGINE — FUEL TANK ASSY.
PAGE 66 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — FUEL TANK ASSY.
FUEL TANK ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 16854ZH8000 RUBBER, SUPPORTER 107MM 1 2 16955ZE1000 JOINT, FUEL TANK 1 3 17510ZE0020ZD TANK, FUEL *NH1* (BLACK) 1
5 17620ZH7023 CAP, FUEL FILLER ..................................... 1 .......... INCLUDES ITEMS W/
6 11 91353671003 O- RING 13.5X1.5 (ARAI) 1 12 9405006000 NUT, FLANGE 6MM 2 13 950014500360M BULK HOSE, FUEL (4.5X3000) (4.5X140) 1 14 9500202080 CLIP, TUBE (B8) 2 15 90004ZH7003 BOLT, FLANGE 6X29 1
17631ZH7003 GASKET, FUEL FILLER CAP 1
*
HONDA GX120K1QX2 ENGINE — FUEL TANK ASSY.
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 67
HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
IGNITION COIL ASSY.
HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
PAGE 68 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
IGNITION COIL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 30500ZE1033 COIL ASSEMBLY, IGNITION 1 2 30700ZE1013 CAP ASSEMBLY, NOISE SUPPRESSOR 1 8 90121952000 BOLT, FLANGE 6X25 2
HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 69
MUFFLER ASSY.
HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
PAGE 70 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
MUFFLER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 18310ZF1000 MUFFLER 1 3 18320ZF1H01 PROTECTOR, MUFFLER 1 7 18381ZH8800 GASKET, MUFFLER 1 10 90050ZE1000 SCREW, TAPPING 5X8 4 13 94001080000S NUT, HEX. 8MM 2
HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 71
PISTON ASSY.
HONDA GX120K1QX2 ENGINE — PISTON ASSY.
PAGE 72 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — PISTON ASSY.
PISTON ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 13010ZK7V01 RING SET, PISTON (STANDARD) 1 1 13011ZE6013 RING SET, PISTON (OS 0.25), OPTIONAL 1 1 13012ZK7V01 RING SET, PISTON (OS 0.50) , OPTIONAL 1 1 13013ZK7V01 RING SET, PISTON (OS 0.75), OPTIONAL 1 2 13101ZH7000 PISTON, STANDARD 1 2 13102ZH7000 PISTON, OS 0.25 1 2 13103ZH7000 PISTON, OS 0.50 1 2 13104ZH7000 PISTON, 0.75 1 3 13111ZE0000 PIN, PISTON 1
4 132A0ZE0000 ROD ASSY, CONNECTING (UNDER SIZE) .... 1 ...... INCLUDES ITEMS W/
4 13200ZE0000 ROD ASSEMBLY, CONNECTING.................... 1 ...... INCLUDES ITEMS W/
5 6 90551ZE0000 CLIP, PISTON PIN 13MM 2
90001ZE1000 BOLT, CONNECTING ROD 2
*
* *
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 73
HONDA GX120K1QX2 ENGINE — RECOIL STARTER ASSY.
RECOIL STARTER ASSY.
PAGE 74 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — RECOIL STARTER ASSY.
RECOIL STARTER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 28400ZH8013ZB STARTER ASSY., RECOIL *NH1* (BLACK) ..........1 .............. INCLUDES ITEMS W/
2 3 4 5 6 7 8 9 10 11 12 9008ZE2003 BOLT, FLANGE 6X10 3
28410ZH8003ZB CASE, RECOIL STARTER *NH1* (BLACK) 1
*
28420ZH8013 REEL, RECOIL STARTER 1
*
28422ZH8013 RATCHET, STARTER 2
*
28433ZH8003 GUIDE, RATCHET 1
*
28441ZH8003 SPRING, FRICTION 1
*
28442ZH8003 SPRING, RECOIL STARTER 1
*
28443ZH8003 SPRING, RETURN 2
*
28461ZH8003 KNOB, RECOIL STARTER 1
*
28462ZH8003 ROPE, RECOIL STARTER 1
*
90003ZH8003 SCREW, SETTING 1
*
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 75
HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
GASKET KIT ASSY.
HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
PAGE 76 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
GASKET KIT ASSY.
NO. PART NO. PART NAME QTY. REMARKS
2 06111ZH7405 GASKET KIT ......................................................... 1 .............. INCLUDES ITEMS W/
3 4 5 6 7 8
11381ZH7800 GASKET, CASE COVER 1
*
12251ZH7800 GASKET, CYLINDER HEAD 1
*
12391ZE1000 GASKET, CYLINDER HEAD COVER 1
*
16212ZH7800 GASKET, INSULATOR 1
*
16221ZH8801 GASKET, CARBURETOR 1
*
18381ZH8800 GASKET, MUFFLER 1
*
HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
*
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 77
LABELS ASSY.
HONDA GX120K1QX2 ENGINE — LABELS ASSY.
PAGE 78 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
HONDA GX120K1QX2 ENGINE — LABELS ASSY.
LABELS ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 87521ZH7020 EMBLEM 1 3 87522ZH9000 LABEL, CAUTION 1 4 87528ZE1810 MARK, CHOKE 1 6 87532ZH8810 MARK, OIL ALERT (E) 1
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 79
TERMS AND CONDITION OF SALE — PARTS
PAYMENT TERMS
Terms of payment for parts are net 30 days.
FREIGHT POLICY
All parts orders will be shipped collect or prepaid with the charges added to the invoice. All shipments are F.O.B. point of origin. Multiquip’s responsibility ceases when a signed manifest has been obtained from the carrier, and any claim for shortage or damage must be settled between the consignee and the carrier.
MINIMUM ORDER
The minimum charge for orders from Multiquip is $15.00 net. Customers will be asked for instructions regarding handling of orders not meeting this requirement.
RETURNED GOODS POLICY
Return shipments will be accepted and credit will be allowed, subject to the following provisions:
A Returned Material Authorization 1. must be approved by Multiquip prior to shipment.
To obtain a Return Material Authorization, 2. a list must be provided to Multiquip Parts Sales that defines item numbers, quantities, and descriptions of the items to be returned.
The parts numbers and descriptions a. must match the current parts price list.
The list must be typed or computer b. generated.
The list must state the reason(s) c. for the return.
The list must reference the sales d. order(s) or invoice(s) under which the items were originally purchased.
The list must include the name e. and phone number of the person requesting the RMA.
A copy of the Return Material Authorization 3. must accompany the return shipment.
Freight is at the sender’s expense. All 4. parts must be returned freight prepaid to Multiquip’s designated receiving point.
Parts must be in new and resalable 5. condition, in the original Multiquip package (if any), and with Multiquip part numbers clearly marked.
The following items are not returnable:6.
Obsolete parts. (If an item is in the a. price book and shows as being replaced by another item, it is obsolete.)
Any parts with a limited shelf life b. (such as gaskets, seals, “O” rings, and other rubber parts) that were purchased more than six months prior to the return date.
Any line item with an extended c. dealer net price of less than $5.00.
Special order items.d.
Electrical components.e.
Paint, chemicals, and lubricants.f.
Decals and paper products.g.
Items purchased in kits.h.
The sender will be notified of any material 7. received that is not acceptable.
Such material will be held for five 8. working days from notification, pending instructions. If a reply is not received within five days, the material will be returned to the sender at his expense.
Credit on returned parts will be issued 9. at dealer net price at time of the original purchase, less a 15% restocking charge.
In cases where an item is accepted, for 10. which the original purchase document can not be determined, the price will be based on the list price that was effective twelve months prior to the RMA date.
Credit issued will be applied to future 11. purchases only.
PRICING AND REBATES
Prices are subject to change without prior notice. Price changes are effective on a specific date and all orders received on or after that date will be billed at the revised price. Rebates for price declines and added charges for price increases will not be made for stock on hand at the time of any price change.
Multiquip reserves the right to quote and sell direct to Government agencies, and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products.
SPECIAL EXPEDITING SERVICE
A $35.00 surcharge will be added to the invoice for special handling including bus shipments, insured parcel post or in cases where Multiquip must personally deliver the parts to the carrier.
LIMITATIONS OF SELLER’S LIABILITY
Multiquip shall not be liable hereunder for damages in excess of the purchase price of the item with respect to which damages are claimed, and in no event shall Multiquip be liable for loss of profit or good will or for any other special, consequential or incidental damages.
LIMITATION OF WARRANTIES
No warranties, express or implied, are made in connection with the sale of parts or trade accessories nor as to any engine not manufactured by Multiquip. Such warranties made in connection with the sale of new, complete units are made exclusively by a statement of warranty packaged with such units, and Multiquip neither assumes nor authorizes any person to assume for it any other obligation or liability whatever in connection with the sale of its products. Apart from such written statement of warranty, there are no warranties, express, implied or statutory, which extend beyond the description of the products on the face hereof.
Effective: February 22, 2006
PAGE 80 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)
NOTES
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 81
OPERATION AND PARTS MANUAL
©
HERE’S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
UNITED STATES
Multiquip Corporate Office MQ Parts Department
18910 Wilmington Ave. Carson, CA 90746 Contact: mq@multiquip.com
Mayco Parts Warranty Department
Tel. (800) 421-1244 Fax (800) 537-3927
800-427-1244 310-537-3700
Fax: 800-672-7877 Fax: 310-637-3284
800-306-2926 310-537-3700
Service Department Technical Assistance
800-421-1244 310-537-3700
Fax: 800-672-7877 Fax: 310-637-3284
Fax: 310-537-4259 800-478-1244 Fax: 310-631-5032
800-421-1244, Ext. 279 310-537-3700, Ext. 279
Fax: 310-537-1173
MEXICO UNITED KINGDOM
MQ Cipsa Multiquip (UK) Limited Head Office
Carr. Fed. Mexico-Puebla KM 126.5 Momoxpan, Cholula, Puebla 72760 Mexico Contact: pmastretta@cipsa.com.mx
Tel: (52) 222-225-9900 Fax: (52) 222-285-0420
Unit 2, Northpoint Industrial Estate, Global Lane, Dukinfield, Cheshire SK16 4UJ Contact: sales@multiquip.co.uk
Tel: 0161 339 2223 Fax: 0161 339 3226
CANADA
Multiquip
4110 Industriel Boul. Laval, Quebec, Canada H7L 6V3 Contact: jmartin@multiquip.com
COPYRIGHT 2010, MULTIQUIP INC.
Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.
This manual
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications, design or the information published in this publication at any time without notice and without incurring any obligations.
MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.
Tel: (450) 625-2244 Tel: (877) 963-4411 Fax: (450) 625-8664
Your Local Dealer is:
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