Page 1
OPERATION AND PARTS MANUAL
Discount-Equipment.com
MODEL BPX
GASOLINE BACKPACK VIBRATOR
(HONDA GXH50UQXA GASOLINE ENGINE)
Revision #1 (08/28/17)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PN: 14454
Page 2
PROPOSITION 65 WARNING
Engine exhaust and some of
its constituents, and some dust created
of California to cause cancer, birth
defects and other reproductive harm.
by power sanding, sawing, grinding,
drillingandotherconstructionactivities
contains chemicals known to the State
Some examples of these chemicals are:
Leadfromlead-basedpaints.
Crystallinesilicafrombricks.
Cementandothermasonryproducts.
Arsenicandchromiumfromchemically
treatedlumber.
Your risk from these exposures varies,
dependingonhowoftenyoudo this type
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with
approved safety equipment, suchas
dust masks that are specially designed
to filter out microscopic particles.
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PAGE 2 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 3
SILICOSIS/RESPIRATORY WARNINGS
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WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metal and
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis.In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.
WARNING
Grinding/cutting/drilling of masonry, concrete, metal and
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity,or other harmful
effects.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 3
Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations.Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials being used.
Page 4
TABLE OF CONTENTS
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Multiquip Bpx
Gasoline Concrete Vibrator
Proposition 65 Warning ........................................... 2
Silicosis/Respiratory Warnings
Table Of Contents
Parts Ordering Procedures
Safety Information
Specifications
Dimensions
General Information
Components
Set-Up
Inspection
Operation
Maintenance
Troubleshooting
Explanation Of Code In Remarks Column............. 30
Suggested Spare Parts
............................................................. 15–17
.............................................................. 18
......................................................... 19–24
.................................................... 4
............................................... 6–9
........................................................ 10
............................................................ 11
............................................... 12
.................................................... 13–14
.................................................... 25–28
..................................................... 29
......................................... 31
................................ 3
...................................... 5
Component Drawings
Nameplate And Decals Assembly. ................... 32–33
Vibrator Assembly.
Frame And Swivel Assembly
Engine Mounting Assembly
Engine Service Parts Assembly.
Terms And Conditions Of Sale — Parts
NOTICE
Specifications and part numbers are subject to change
without notice.
........................................... 34–35
.......................... 36–37
............................ 38–39
...................... 40–41
................ 42
PAGE 4 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 5
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Page 6
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.
This operation manual has been developed
to provide complete instructions for the safe and
effi cient operation of the Multiquip Model BPX Gasoline
Backpack Vibrator. Refer to the engine manufacturer's
instructions for data relative to its safe operation.
Before using this vibrator, ensure that
the operating individual has read and
understood all instructions in this manual.
This vibrator, other property, or the surrounding environment
could be damaged if you do not follow instructions.
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
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DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
or NOTICE.
safety messages.
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.
NOTICE
Addresses practices not related to personal injury.
PAGE 6 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 7
SAFETY INFORMATION
GENERAL SAFETY
NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
Also, know the
and
This information will be invaluable in
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
operate equipment with covers or guards
away
from all moving parts to prevent injury. Wear clothing that
will not likely become caught in the equipment or snag
be sure the operator is familiar with proper
safety precautions and operating techniques before
leave the vibrator unattended. Turn off engine
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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.
ALWAYS check the equipment for loosened threads or
bolts before starting.
NEVER operate vibrator around corrosive chemicals or
water containing toxic substances. These fl uids could
create serious health and environmental hazards.
Contact local authorities for assistance.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
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.
phone numbers of the nearest ambulance, doctor
fi re department.
the case of an emergency.
VIBRATOR SAFETY
NEVER operate the equipment in an explosive
DANGER
atmosphere, near combustible materials, or
near fl ammable or low fl ash point fl uids. An
explosion or fi re could result causing severe
bodily harm or even death.
WARNING
NEVER disconnect any
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
This equipment is for industrial use only.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult to read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation will void all warranties. Any
modifi cation which could lead to a change in the original
characteristics of the machine should be made only by
the manufacturer who shall confi rm that the machine is
in conformity with appropriate safety regulations.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 7
devices will void all warranties.
NEVER
removed. Keep fi ngers, hands, hair, and clothing
on the forms.
CAUTION
ALWAYS
using vibrator.
NEVER
when unattended.
Page 8
SAFETY INFORMATION
NEVER lubricate components or attempt service on a
ENGINE SAFETY
ALWAYS place the engine ON/OFF switch in the OFF
for engine
run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
State Health Safety Codes and Public Resources
Codes specify that in certain locations, spark arresters
must be used on internal combustion engines that use
hydrocarbon fuels. A spark arrester is a device designed
to prevent accidental discharge of sparks or fl ames
from the engine exhaust. Spark arresters are qualifi ed
and rated by the United States Forest Service for this
purpose. In order to comply with local laws regarding
spark arresters, consult the engine distributor or the
add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or fi re
start the engine near spilled fuel or combustible
fl uids. Gasoline fuel is extremely fl ammable and its
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
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running machine.
ALWAYS allow the vibrator a proper amount of time to
cool before servicing.
NOTICE
ALWAYS keep the machine in proper running condition.
ALWAYS become familiar with the components of the
vibrator before operating.
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.
DANGER
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment
requires an adequate free
fl ow of cooling air. NEVER
operate this equipment in
any 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. Remember
the engine gives off DEADLY gases.
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 engine
crankcase and severely scald any persons in the general
area of the vibrator.
CAUTION
position when the vibrator is not in use.
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.
NOTICE
Refer to the Engine Owner's Manual
technical questions or information.
NEVER
frequently to prevent engine malfunction.
local Health and Safety Administrator.
FUEL SAFETY
DANGER
DO NOT
due to static electricity.
DO NOT
vapors can cause an explosion if ignited.
ALWAYS
sparks and open fl ames.
ALWAYS
fl ammable liquids.
DO NOT
or hot.
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
PAGE 8 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
DO NOT
the ignition system.
Page 9
SAFETY INFORMATION
Store fuel in appropriate containers, in well-ventilated
TRANSPORTING
ENVIRONMENTAL SAFETY/
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.
DO NOT pour waste or oil directly onto the ground, down
When the life cycle of this equipment is over, remove
battery (if equipped) and bring to appropriate facility for
lead reclamation. Use safety precautions when handling
When the life cycle of this equipment is over, it is
recommended that the unit frame and all other metal
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
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
emission system by unauthorized personnel without proper
training could damage the equipment or create an unsafe
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
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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.
ALWAYS shut down engine before transporting.
Tighten fuel cap securely and close fuel cock to prevent
fuel from spilling.
ALWAYS use proper lifting techniques when using or
moving the vibrator (backpack), fl exible shaft, or vibrator
assembly.
DECOMMISSIONING
NOTICE
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.
batteries that contain sulfuric acid.
parts be sent to a recycling center.
promotes energy cost savings.
EMISSIONS INFORMATION
ALWAYS observe all applicable compulsory regulations
relevant to environmental protection, especially fuel
storage, the handling of hazardous substances, and the
wearing of protective clothing and equipment. Instruct
the user as necessary, or, as the user, request this
information and training.
Dispose of hazardous waste properly. Examples of
potentially hazardous waste include used motor oil, fuel,
and fuel fi lters.
DO NOT use food or plastic containers to dispose of
hazardous waste.
NOTICE
contained in gasoline exhaust emissions.
emissions requirements in the installed confi guration.
condition.
Emission Control Label
system and is strictly controlled by regulation(s).
The label must remain with the engine for its entire life.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 9
your authorized Honda Engine Distributor.
Page 10
Table 1. Honda Engine Specifications
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Model Honda GXH50UQXA
Type
Bore × Stroke
Displacement
Max. Output
Fuel Tank Capacity
Engine
Dimension
(L x W x H)
Dry Net Weight (Engine)
Operating Weight (Vibrator/Backpack)
Fuel
Lube Oil Capacity
Spark Plug Type
Spark Plug Gap
Speed Control Method
Starting Method
SPECIFICATIONS
4-Stroke, Single Cylinder, OHV, Gasoline Engine
1.65 in. × 1.42 in.
(42 mm × 36 mm)
3.0 in3 (49 cm3)
2.5 hp/7,000 rpm
Approx. 0.32 U.S. gallons (1.2 liters)
Unleaded Gasoline Octane Rating of 86 or Higher
0.26 qt. (.25 liters)
NKG: CR5HSB
Denso: U16FSR-UB
0.024 – 0.028 in.
(0.6 – 0.7 mm)
Centrifugal Flyweight Type
Recoil Start
8.9
× 10.8 × 13.9 in.
(225 × 274 × 353 mm)
12.1 lb. (5.5 kg)
31 lb. (14.1 kg)
PAGE 10 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 11
BPX
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DIMENSIONS
C
A
B
Figure 1. Vibrator Dimensions
Table 2. Vibrator Dimensions
Reference
Letter
A 11.0 (280)
B 13.75 (349)
C 27.0 (686)
Dimension in. (mm)
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 11
Page 12
GENERAL INFORMATION
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GENERAL INFORMATION
The BPX backpack vibrator utilizes a Honda GXH50
2.5-hp, 4-stroke, overhead-valve, single-cylinder, gasoline
engine. The frame is mounted on three rubber isolators to
help reduce engine vibration. The vibrator comes standard
with a quick-disconnect coupling for easy removal of the
flexible shaft.
CAUTION
When operating the BPX vibrator, ALWAYS wear
rubber insulated gloves and boots. Safety glasses and
ear protection are also recommended.
Tips
Keep the bending radius of the flexible hose to a
minimum during use.
Avoid starting the unit with the vibrator head immersed in
the concrete mix. After the engine has started, immerse
the vibrator head into concrete mix.
Backpack Vibrator Theory
The purpose of this vibrator is to consolidate concrete by
removing air pockets and voids.
The vibrator is designed to set the particles in fresh concrete
in motion, thereby reducing friction and giving the mixture
a mobile quality so that gravity and the displacement of
entrapped air cause the concrete to settle easily into place.
By consolidating the concrete quickly, the vibrator allows
stiffer mixes to be poured than would otherwise be possible.
Vibration also makes concrete more watertight, increases
resistance to weathering, and creates a better bond
between concrete and reinforcement.
Because vibration causes much of the entrapped air in
concrete to rise to the surface, honeycombing is prevented.
Vibration also eliminates most air pockets between the
concrete and vertical forms.
Excessive wear to the vibrating head can result from
misuse. DO NOT allow the head to vibrate against already
hardened concrete or steel used for reinforcement.
NEVER drop or knock the vibrator head against any
hard objects. This can damage the eccentric end bell
assembly or bearings contained within the head.
ALWAYS rinse or wipe off any wet concrete before it dries
or hardens on any part of the unit (engine, shaft, or head).
WARNING
Before operating this gasolinepowered vibrator, the operator must
read and understand the contents of
the operation manual. Failure to read
this manual may result in severe bodily
harm and damage to the equipment.
PAGE 12 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 13
COMPONENTS (VIBRATOR)
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1
10
12
7
6
Figure 2. Vibrator Components
11
8
2
9
4
3
5
1. Hard Hat — Always wear a hard hat for head protection.
2. Safety Glasses — Always wear safety glasses to
protect eyes from foreign matter and debris.
3. Rubber Gloves — Always wear rubber gloves to
protect hands from abrasive materials.
4. Flexible Shaft — The BPX can accommodate various
shaft lengths. See Table 3 and Table 4 for shaft length
dimensions.
5. Vibrating Head — The BPX can accommodate various
vibrating heads. See Table 5 for various head types.
Typical applications include large retaining walls, bridge
decks, and columns.
6. Rubber Boots — Always wear rubber boots to protect
feet from abrasive materials.
7. Belt Guard — Prevents access to the pulleys and
V-belt while the vibrator is running. DO NOT operate
the vibrator with this cover removed.
8. Quick Disconnect Fitting — Allows for the quick and
easy removal of the flexible shaft from the vibrator.
9. Throttle — Push up (rabbit) to increase engine speed,
and pull down (turtle) to decrease engine speed.
10. Engine — The BPX utilizes a Honda GXH50 2.5-hp,
4-stroke, overhead-valve, single-cylinder gasoline
engine.
11. Backpack Harness/Pad — The BPX is equipped
with an adjustable harness. Adjust the harness to a
comfortable fit so that it will not slip or fall. A back pad
has been added for operator comfort.
12. Frame — Made of a lightweight metal alloy, this frame
features an engine support platform with a swivel base
that can be rotated for better operator leverage over
the application. In addition, the frame has three rubber
shock mounts installed to help reduce engine vibration.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 13
Page 14
COMPONENTS (ENGINE)
1
7
2
6
5
4
3
10
9
8
11
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Figure 3. Honda Engine Components
1. Choke Lever — Used in the starting of a cold engine,
or in cold weather conditions. The choke enriches the
fuel mixture.
2. Spark Plug — Provides spark to the ignition system.
Clean the spark plug once a week.
3. Recoil Starter — Manual starting mechanism. Slowly
pull the starter grip until resistance is felt, then pull
briskly and smoothly to start the engine.
4. Throttle Lever — Adjusts engine RPM speed.
5. Oil Drain Plug — Remove this plug to remove oil from
the engine’s crankcase.
6. Dipstick/Oil Filler Cap — Remove to determine
if engine oil is low. Add oil through this port as
recommended in Table 6.
7. Air Cleaner — Prevents dirt and other debris from
entering the fuel system. Press the latch tabs on top
of the air cleaner cover and remove the cover to gain
access to the filter elements.
NOTICE
Operating the engine without an air filter, or with a
damaged or worn air filter in need of replacement, will
allow dirt to enter the engine, causing rapid engine
wear.
PAGE 14 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
8. Fuel Tank/Fuel Filler Cap — The fuel tank holds 0.32
gallons (1.2 liters) of unleaded gasoline. Remove the
fuel filler cap to add unleaded gasoline to the fuel tank.
Make sure the cap is tightened securely. DO NOT
overfill.
DANGER
DO NOT fill the fuel tank while the engine is running or
hot. In the event of a fuel spill, DO NOT start the engine
until all fuel residue has been wiped up and
the area surrounding the engine is dry. Fuel
is extremely flammable and can ignite if
it comes into contact with hot engine parts
or sparks from the ignition system.
9. Muffler — Reduces noise and emissions. NEVER
touch the muffler while it is hot.
WARNING
Engine components can generate
10. Engine ON/OFF Switch — ON position permits engine
starting, OFF position stops the engine.
11. Fuel Valve Lever — Open to allow the flow of fuel, and
close to prevent the flow of fuel.
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.
Page 15
SET-UP
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ASSEMBLY AND INSTALLATION
Some components must be installed before the vibrator can
be operated. This section provides general instructions on
how to install those components.
Flexible Shaft and Vibrator Head Selections
Use Table 3, Table 4, and Table 5 when selecting a flexible
shaft or vibrator head for your unit. Longer shaft lengths
(FS Series only) can be obtained with the use of a shaft
coupler (P/N 3883-501). The FSN Series flexible shafts
cannot be extended.
WARNING
NEVER use vibrator heads that are not recommended
by the manufacturer, as they may create a hazardous
condition when using the vibrator.
NOTICE
The QD coupler and spindle shaft (not shown) are
incorporated onto the FS or FSN series shafts.
Table 3. FSN Series Flexible Shafts
Model
FSN2 2 (0.6) 3 (1.3)
FSN7 7 (2.1) 6 (2.9)
FSN10 10 (3.0) 9 (4.0)
FSN12 12 (3.7) 10 (4.8)
FSN14 14 (4.3) 11 (5.1)
FSN21 21 (6.4) 18 (8.3)
Table 4. FS Series Flexible Shafts
Model
FS3 3 (0.9) 8.4 (3.8)
FS7 7 (2.1) 11 (5)
FS10 10 (3) 16 (7.2)
FS12 12 (3.7) 18 (8)
FS14 14 (4.3) 20 (9)
Length
ft. (m)
Length
ft. (m)
Weight
lb. (kg)
Weight
lb. (kg)
Table 5. Vibrator Head Selection Chart
Model Head Type
900HD Steel
1000HD Steel 1
1400HD Steel 1
1700HD Steel 1
2100HD Steel 2
2600HD Steel 2
Diameter
FS21 21 (6.4) 28 (12.7)
Length
in. (mm)
7
/8 (22) 14½ (37) 2.1 (1) FSN
1
/16 (27) 137/8 (35) 2.8 (1.3) FSN
3
/8 (35) 15¼ (39) 5.2 (2.4) FS
11
/16 (43) 15 (38) 6.4 (2.9) FS
1
/8 (54) 13¼ (34) 9.4 (4.3) FS
5
/8 (67) 13¼ (34) 13.4 (6.1) FS
in. (cm)
Weight
lb. (kg)
Required Shaft
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 15
Page 16
SET-UP
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CAUTION
Before initial use, dissassemble the Quick Disconnect
coupler at the end of the flexible shaft. Check the shaft
for grease and reassemble the coupler, making sure to
apply Loctite® 242™ thread sealant to the male threads
of the coupler.
Failure to follow these instructions may result in
equipment damage and/or bodily injury.
Head and Shaft Connections
NOTICE
The shafts are shipped from the factory pre-greased
and require no greasing at this time. Refer to the
Maintenance section of this manual for shaft greasing
requirements.
Before operating the BPX, follow the instructions below
to connect the flexible shaft, vibrator head, and vibrator.
Applying Loctite
When applying Red Loctite® 271™ to the flexible shaft
casing threads:
1. Clean the mating connector or coupler threads with
Loctite® Primer™.
2. Allow the primer to dry for several minutes before
applying a ring of Red Loctite® 271™ to the middle of
the flexible shaft casing threads.
3. Screw the head tightly onto the flexible shaft casing and
wait one hour before use. The threads are left-handed;
turn counterclockwise to tighten. An equivalent brand
of anaerobic sealant may be used.
®
DISASSEMBLY
CAUTION
Wear protective leather gloves while disassembling
the vibrator.
Connecting the Flexible Shaft and Vibrator Head
NOTICE
The QD coupler and spindle shaft for the FS and FSN
Series are included with the flexible shaft.
Perform the following procedure to attach the FS series or
FSN series flexible shaft to the vibrator and vibrator head.
Refer to Figure 4.
12. Pull up on the Quick Disconnect (Q.D.) locking knob
and insert the Q.D. coupler into the eccentric end bell
assembly.
13. Attach the vibrating head to the other end of the flexible
shaft. The use of a small amount of pipe thread sealant
(Red Loctite® 271™) is recommended on the flexible
shaft casing coupling threads to prevent water from
entering the vibrator head.
1. Remove the motor from the shaft.
2. Remove the core from the shaft housing. The head
does not need to be removed unless it also requires
servicing.
3. As the core is removed, slide it through a clean shop
cloth to wipe off old grease. Keep it clean and off the
ground or floor.
4. After inspecting the core for obvious damage,
place a handful of clean grease (Shell Durina EP2
high- temperature, high-pressure grease or equivalent)
in a shop cloth and slide the clean core through the
grease as you feed the core back into the shaft housing.
This will lightly coat the core. DO NOT overgrease. As
the square end of the core approaches the head, turn
the core slightly to engage the drive adaptor inside
the head while continuing to push it towards the head.
5. Install the motor onto the shaft assembly and securely
tighten the nut.
6. Test run the motor and check head vibration. DO NOT
run the vibrator in the air (not in concrete mix) for longer
than 1–2 minutes.
PAGE 16 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 17
QUICK
Discount-Equipment.com
DISCONNECT
KNOB
ECCENTRIC
END BELL
APPLY
LOCTITE™ 271
LOCTITE™271
PIPE THREAD
APPLY
LOCTITE™ 271
LOCTITE™271
PIPE THREAD
MALE QUICK
DISCONNECT
COUPLER
FSN SERIES
FLEXIBLE
SHAFT
APPLY
LOCTITE™ 271
LOCTITE™271
PIPE THREAD
SET-UP
MALE QUICK
DISCONNECT
COUPLER
FS SERIES
FLEXIBLE
SHAFT
APPLY
LOCTITE™ 271
VIBRATOR
HEAD
LOCTITE™271
PIPE THREAD
VIBRATOR
HEAD
Figure 4. Flexible Head and Vibrator Head Connections
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 17
Page 18
DIPSTICK
INSPECTION
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Engine Oil Check
1. To check the engine oil level, place the backpack frame
on secure, level ground with the engine stopped.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 5) and wipe it clean.
Figure 5. Engine Oil Dipstick Removal
3. Reinsert the dipstick, then remove it again without
screwing it into the filler neck. Check the oil level shown
on the dipstick.
4. If the oil level is low (Figure 6), fill to the edge of the
oil filler hole with the recommended oil type (Table 6).
Maximum oil capacity is 0.26 quarts (0.25 liters).
Fuel Check
Remove the fuel filler cap and inspect the fuel level in the
tank. If fuel is low, replenish with unleaded fuel.
DANGER
Motor fuels are highly flammable and
can be dangerous if mishandled. DO NOT
smoke while refueling. NEVER attempt to
refuel while the engine is running or hot!
ALWAYS remove the backpack before
refueling.
V-Belt Check
A worn or damaged V-belt can adversely affect the
performance of the vibrator.
1. Unscrew the seven bolts securing the belt guard to
the unit.
2. Inspect the V-belt for defects or signs of wear.
3. If the V-belt is defective or worn, replace the V-belt
as shown in the Maintenance section of this manual.
4. A properly tensioned V-belt (Figure 7) should deflect
approximately 0.4–0.6 inches (5–10 mm) when 5 to 10
pounds of force are applied centrally between the
pulleys.
5–10 LBF
UPPER LIMIT
DRIVE
PULLEY
LOWER LIMIT
Figure 6. Engine Oil Level
Table 6. Oil Type
Season Temperature Oil Type
Summer 25°C or Higher SAE 10W-30
Spring/Fall 25°C – 10°C SAE 10W-30/20
Winter 0°C or Lower SAE 10W-10
PAGE 18 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
(22.2 – 44.5 N)
CORRECT V-BELT
TENSION 0.4–0.6 IN.
(10–15 MM) WHEN DEPRESSED
Figure 7. V-Belt Tension
V-BELT
CLUTCH
PULLEY
Page 19
OPERATION
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BEFORE STARTING
Before starting the BPX Gasoline Vibrator, perform the
following:
Read the safety instructions at the beginning of this
manual.
Clean the engine, removing dirt and dust, particularly
the engine cooling air inlet, carburetor, and air cleaner.
Check the air filter for dirt and dust. If the air filter is dirty,
replace it with a new one.
Check the carburetor for external dirt and dust. Clean
with dry compressed air.
Check all fastening nuts and bolts for tightness.
Check the engine oil level.
Check the fuel level.
Check the tension and condition of the V-belt.
INITIAL START-UP
2. If starting a cold engine, or if the ambient temperature
is cold, place the choke lever in the CLOSED position
(Figure 9).
Figure 9. Engine Choke Lever (Closed)
3. If starting a warm engine, or if the ambient temperature
is warm, place the choke lever in the OPEN position
(Figure 10).
This section is intended to assist the operator with the initial
start-up of the BPX vibrator. It is extremely important to
read this section carefully before attempting to use the
vibrator in the field.
Starting the Engine
1. Move the engine fuel valve lever (Figure 8) to the
ON position.
Figure 10. Engine Choke Lever (Open)
Figure 8. Engine Fuel Valve Lever (ON)
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 19
Page 20
OPERATION
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4. Place the engine ON/OFF switch in the ON position
(Figure 11).
OFF
ON
ENGINE SWITCH
Figure 11. Engine ON/OFF Switch (ON)
5. Place the ON/OFF switch located on the left strap to
the ON position (Figure 12).
THROTTLE
IDLE
Figure 13. Throttle Lever (Idle/Turtle Position)
I0I
I
0
Figure 12. Engine ON/OFF Switch (ON)
6. Place the throttle lever (Figure 13) in the UP position
(TURTLE) to start the engine in IDLE mode.
7. Slowly pull the starter grip (Figure 14) until resistance
is felt, then pull briskly and smoothly to start the engine.
Gently return the starter grip to its original position.
PAGE 20 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Figure 14. Starter Grip
Page 21
8. If the engine has started, slowly return the choke lever
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to the OPEN position (Figure 15). If the engine has not
started, repeat steps 1 through 7.
OPERATION
Figure 15. Choke Lever (Open)
WEARING THE BACKPACK
1. With the engine running at idle, place the backpack
on an elevated, flat, level surface (e.g. a workbench
or tailgate of a truck). This will enable the operator to
don the backpack more easily.
BPX
BACKPACK
BUCKLE
SHOULDER
STRAP
BUCKLE
WAIST
STRAP
Figure 17. Backpack Adjustment
4. Adjust the waist strap for comfort, then lock the waist
strap buckle.
TAILGATE
Figure 16. Backpack Placement (Truck Tailgate)
2. Place your arms through the shoulder straps and lift
the backpack onto your back as shown in Figure 17.
3. Adjust the shoulder straps for comfort, then lock the
shoulder strap buckle (Figure 17).
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 21
Page 22
OPERATION
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OPERATION
WARNING
DO NOT attempt to operate the vibrator
until the Safety, General Information,
and Inspection sections of this manual
have been read thoroughly and understood.
1. Insert the vibrator head into the concrete.
2. Place the throttle lever in the DOWN position (RABBIT)
for normal (FAST) engine operation (Figure 18).
THROTTLE
X
X
Figure 19. Area of Influence with
50% Radial Overlap
4. Immerse the head for 5 to 10 seconds, until air stops
rising, then withdraw the head slowly to let the
concrete fill the void left by the vibrator head.
NOTICE
Figure 18. Throttle Lever (Fast/Rabbit Position)
3. Insert the vibrator head vertically into the concrete and
move it in the pattern shown in Figure 19 to maintain
a consistent area of influence.
To keep the vibrator head cool, make sure it is kept
completely below the concrete surface while vibrating.
5. Keep the flexible shaft as straight as possible and
DO NOT bend the flexible shaft sharply at any point.
Sharp bends can cause overheating, necessitating
early replacement of the flexible shaft.
CAUTION
If the shaft begins to helix (buckle) excessively during
operation, STOP vibrating and investigate. This is an
indication of an overload condition.
NOTICE
The vibrator head is cooled by the concrete. Operation
of the vibrator head in the air (instead of concrete) for
longer than two minutes will cause overheating of the
bearings and premature head failure.
PAGE 22 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 23
ENGINE SHUTDOWN
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Normal Shutdown
1. Remove the flexible shaft and vibrator head from the
concrete mix.
2. Place the throttle lever in the UP position (TURTLE)
(Figure 20) and run the engine for three minutes at
idle speed.
THROTTLE
OPERATION
I
00
I
0
Figure 21. ON/OFF Switch (OFF)
4. Move the fuel valve lever to the OFF position
(Figure 22).
IDLE
Figure 20. Throttle (Turtle/Idle Position)
3. Place the ON/OFF switch located on the left strap to
the OFF position (Figure 21).
Figure 22. Fuel Valve Lever (OFF)
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 23
Page 24
5. Place the engine ON/OFF switch (Figure 23) in the
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OFF position.
OFF
ON
ENGINE SWITCH
Figure 23. Engine ON/OFF Switch (OFF)
Emergency Shutdown
OPERATION
To quickly shut down the engine while the vibrator is in use,
place the engine ON/OFF switch located on the left strap
to the OFF position (Figure 21).
I
00
I
0
Figure 24. ON/OFF Switch (OFF)
PAGE 24 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 25
MAINTENANCE
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Use Table 7 as a general maintenance guideline when servicing your engine. For more detailed engine maintenance
information, refer to the engine owner’s manual supplied with your engine.
Table 7. Engine Maintenance Schedule
Description
(3)
Engine Oil
Air Cleaner
All Nuts and
Bolts
Spark Plugs
Cooling Fins Check X
Spark Arrester Clean X
Fuel Tank Clean X
Fuel Filter Check X
Idle Speed
Valve
Clearance
Operation Before
Check X
Change X
Check X
Change X (1)
Re-tighten if
necessary
Check/Clean X
Replace X
Check/
Adjust
Check/
Adjust
X
First Month
or 10 Hrs.
Every 3
Months or
25 Hrs.
Every 6
Months or
50 Hrs.
Every Year
or 100 Hrs.
X (2)
Every 2
Years or
200 Hrs.
X (2)
Fuel Lines Check Every 2 years (replace if necessary) (2)
(1) Service more frequently when used in dusty areas.
(2) These items should be serviced by your service dealer, unless you have the proper tools and are mechanically
proficient. Refer to the Honda shop manual for service procedures.
(3) For commercial use, log hours of operation to determine proper maintenance intervals.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 25
Page 26
MAINTENANCE
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To enjoy trouble-free service from your Multiquip BPX
gasoline backpack vibrator, follow the maintenance
procedures outlined in this manual. For additional
maintenance and service information, refer to the following
manuals:
Honda Engine Owner's Manual
MQ Flexshafts (FS and FSN Series) Manual
MQ Vibrator Heads (900HD–2600HD) Manual
WARNING
ALWAYS stop the engine when assembling, lubricating,
or adjusting any part of the vibrator. Be sure to
disconnect the spark plug wire, and secure it away
from the spark plug.
ENGINE MAINTENANCE
Thoroughly remove dirt and oil from the engine and
control area.
Engine Oil
NOTICE
Dispose of used oil properly. NEVER pour used oil on
the ground or down a drain. Used oil can usually be
taken to your local recycling center or service station
for reclamation. ALWAYS follow all environmental rules
and regulations in your area concerning the disposal of
hazardous waste such as used oil and oil filters.
NOTICE
ALWAYS drain the engine oil while the oil is warm.
Refer to Figure 26.
OIL FILLER
DIPSTICK
Clean or replace the air cleaner elements as necessary.
Check and retighten all fasteners as necessary.
Spark Plug
Remove and clean the spark plug (Figure 25), and adjust
the spark plug gap to 0.024–0.028 inch (0.6–0.7 mm).
This unit has electronic ignition, which requires no further
adjustments.
GAP: 0.024 - 0.028 in.
(0.6 - 0.7 mm.)
Figure 25. Spark Plug
DRAIN
BOLT
Figure 26. Draining Engine Oil
1. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
2. Replace the engine oil with the recommended oil type
as listed in Table 6. For engine oil capacity, see Table 1.
DO NOT overfill.
3. Reinstall the drain bolt with sealing washer and tighten
securely.
SEALING
WASHER
PAGE 26 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 27
MAINTENANCE
ENGINE OIL
ADJUSTMENT
BOLT
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Engine Air Cleaner
DANGER
NEVER use gasoline or low flash point
solvents to clean the engine or any of
its components. The possibility exists
of fire or explosion which can damage
the equipment and cause severe bodily
harm or even DEATH.
1. Press the latch tabs on top of the air cleaner cover and
remove the cover and foam filter element (Figure 27).
V-Belt Tension
1. Remove the five screws securing the V-belt cover to
the tensioning bracket.
2. The V-belt can be adjusted by loosening the bolts on
the tensioning bracket (Figure 29).
BOLTS
TENSIONING
BRACKET
RETAINING
Figure 29. V-Belt Adjustment
3. When the V-belt is properly tensioned, it should deflect
approximately 0.4–0.6 inches (5–10 mm) when 5 to 10
pounds of force are applied centrally between the clutch
pulley and drive pulley (Figure 30).
Figure 27. Engine Air Cleaner
2. Clean the foam element (Figure 28) in warm, soapy
water or non-flammable solvent. Rinse and dry
thoroughly.
FOAM
ELEMENT
SOLVENT
Figure 28. Foam Element
3. Dip the element in clean engine oil and completely
squeeze out the excess oil from the element (Figure 28).
4. Reinstall the foam element and air cleaner cover.
SQUEEZE
THOROUGHLY
5–10 LBF
(22.2 – 44.5 N)
DRIVE
PULLEY
CORRECT V-BELT
TENSION 0.4–0.6 IN.
(10–15 MM) WHEN DEPRESSED
Figure 30. V-Belt Tension
4. Reinstall the V-belt cover.
V-BELT
CLUTCH
PULLEY
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 27
Page 28
MAINTENANCE
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VIBRATOR MAINTENANCE
Flexible Shaft Greasing Instructions
Remove, clean, and grease the shaft core and bearings
every 50 hours. Use Shell Durina EP2 or equivalent
grease. Wipe off old grease completely and apply new
grease evenly to the shaft. Reference the flexible shaft
maintenance instructions shipped with the shaft.
DO NOT allow water, dust or foreign debris to enter the
flexible hose while reassembling.
If the flexible shaft becomes too hot to hold, the unit
may require lubrication. Lubricate the inner core. This
will reduce heat buildup.
NOTICE
When replacing the flexshaft assembly, make sure the
replacement core has been lightly greased before use.
Place a handful of clean grease (Shell Durina EP2 hightemperature, high-pressure grease or equivalent) in a
shop cloth and slide the clean core through the grease
as you feed it back into the shaft housing.
Quick Disconnect Lock
A small amount of lightweight oil should be used on the
quick disconnect locking mechanism (Figure 31) to lubricate
the locking pin and spring and prevent concrete buildup.
OIL
LOCK PIN
ECCENTRIC
END BELL
Figure 31. Quick Disconnect Lock
NOTICE
After every job, or every 50 hours, the shaft should
be disassembled, cleaned, inspected, lubricated, and
reassembled.
Vibrator Head
Vibrator heads should be inspected and lubricated every
100 hours of operation. Reference the vibrator head
maintenance instructions shipped with the vibrator head.
ALWAYS inspect the vibrator head for damage to the
threads after every reassembly. Replace housing and
head as necessary.
Measure vibrations per minute at the vibrator head
to determine if the bearings in the head require
replacement.
NOTICE
Use heat to break down the Loctite® while unthreading
the head from the shaft. This will prevent damage to
the threads.
PREPARATION FOR LONG-TERM STORAGE
For storage of the vibrator over 30 days, the following is
required:
Drain the fuel tank completely, or add STA-BIL® to the
fuel.
Run the engine until the gasoline in the carburetor is
completely consumed.
Completely drain the oil from the crankcase and refill
with fresh oil.
Remove the spark plug, pour 2–3 cc of SAE 30 oil into
the cylinder, and crank slowly to distribute the oil.
Slowly rotate the engine a few times with the starter rope
and install a new plug.
Pull out the starter rope slowly and stop at the
compression point.
Clean all external parts of the engine and frame with a
soft cloth.
Cover the unit and store in a clean, dry place.
PAGE 28 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 29
Symptom Possible Problem Solution
Discount-Equipment.com
Diffi cult to start, fuel is available, but no spark at
spark plug.
Diffi cult to start, fuel is available, and spark is
present at the spark plug.
Diffi cult to start, fuel is available, spark is
present and compression is normal.
Diffi cult to start, fuel is available, spark is
present and compression is low.
No fuel present at carburetor.
TROUBLESHOOTING
Troubleshooting (Engine)
Spark plug bridging? Check gap, insulation or replace spark plug.
Carbon deposit on spark plug? Clean or replace spark plug.
Short circuit due to defi cient spark plug
insulation?
Improper spark plug gap? Set to proper gap.
Spark plug is red? Check transistor ignition unit.
Spark plug is bluish white?
No spark present at tip of spark plug?
No oil? Add oil as required.
Oil pressure alarm lamp blinks upon starting? (if
applicable)
ON/OFF switch is shorted? Check switch wiring, replace switch.
Ignition coil defective? Replace ignition coil.
Improper spark gap, points dirty? Set correct spark gap and clean points.
Condenser insulation worn or short circuiting? Replace condenser.
Spark plug wire broken or short circuiting? Replace defective spark plug wiring.
Wrong fuel type?
Water or dust in fuel system? Flush fuel system.
Air cleaner dirty? Clean or replace air cleaner.
Choke open? Close choke.
Suction/exhaust valve stuck or protruded? Reseat valves.
Piston ring and/or cylinder worn? Replace piston rings and/or piston.
Cylinder head and/or spark plug not tightened
properly?
Head gasket and/or spark plug gasket damaged? Replace head and spark plug gaskets.
No fuel in fuel tank? Fill with correct type of fuel.
Fuel cock does not open properly?
Fuel fi lter/lines clogged? Replace fuel fi lter.
Fuel tank cap breather hole clogged? Clean or replace fuel tank cap.
Air in fuel line? Bleed fuel line.
Check spark plug insulation, replace if worn.
If insuffi cient compression, repair or replace
engine. If injected air leaking, correct leak. If
carburetor jets clogged, clean carburetor.
Check transistor ignition unit is broken, and
replace defective unit. Check if voltage cord
cracked or broken and replace. Check if spark
plug if fouled and replace.
Check automatic shutdown circuit, "oil sensor".
(if applicable)
Flush fuel system, replace with correct type of
fuel.
Torque cylinder head bolts and spark plug.
Apply lubricant to loosen fuel cock lever,
replace if necessary.
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 29
Page 30
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.
SAMPLE PARTS LIST
NO.
1 12345 BOLT
2% WASHER, 1/4 IN.
2% 12347 WASHER, 3/8 IN.
3 12348 HOSE
4 12349 BEARING
NO. Column
PART NO. Column
QTY. Column
— Item quantity can be indicated by a
A/R (As Required) is generally used for hoses or other
A blank entry generally indicates that the item is not sold
separately. Other entries will be clarifi ed in the “Remarks”
Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed
— All items on the parts list with the
same unique symbol will be included when this item is
— Used to list an effective serial
— Indicates that the part
is used only with the specifi c model number or model
number variant listed. It can also be used to show a
part is NOT used on a specifi c model or model number
— Indicates that the part can
be purchased at any hardware shop or made out of
available items. Examples include battery cables, shims,
— 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
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Numbers Used
number, a blank entry, or A/R.
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.
PART NO. PART NAME QTY. REMARKS
.....................1 .....INCLUDES ITEMS W/%
..........NOT SOLD SEPARATELY
..1 .....MQ-45T ONLY
..................A/R ...MAKE LOCALLY
..............1 .....S/N 2345B AND ABOVE
Unique Symbols — All items with same 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.
parts that are sold in bulk and cut to length.
Column.
REMARKS Column
to describe the item can also be shown.
Assembly/Kit
purchased.
Indicated by:
“INCLUDES ITEMS W/(unique symbol)”
Serial Number Break
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”
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.
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 clarifi ed in the “Remarks” Column.
PAGE 30 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Specifi c Model Number Use
variant.
Indicated by:
“XXXXX ONLY”
“NOT USED ON XXXX”
“Make/Obtain Locally”
and certain washers and nuts.
“Not Sold Separately”
for sale through Multiquip.
Page 31
BPX GASOLINE BACKPACK VIBRATOR WITH
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HONDA GXH50UQXA ENGINE
1 to 3 units
Qty. P/N Description
2............17211ZM7000 ......ELEMENT, AIR
3............9805655777 ..........SPARK PLUG (NKG)
3............28462ZM70003 ....ROPE, STARTER
1............17620ZL8023 .......CAP, FUEL
3............14482 ....................BELT, BACKPACK
1............28461ZM3003 ......KNOB, RECOIL STARTER
1............34150ZH7023 ....... OIL ALERT UNIT
1............35480ZM7801 ......OIL LEVEL SWITCH
NOTICE
Part numbers on this Suggested Spare Parts list may
supersede/replace the part numbers shown in the
following parts lists.
SUGGESTED SPARE PARTS
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 31
Page 32
BPX
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NAMEPLATE AND DECALS ASSY.
1
I
MODEL
SERIAL NO.
2
3
0
PAGE 32 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
4
P/N 14441
5
115 dB
L
WA
P/N 23803
Page 33
NAMEPLATE AND DECALS ASSY.
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NO. PART NO. PART NAME QTY. REMARKS
1 14437 DECAL, ON/OFF SWITCH, BPX, .48" X .85" 1
2 SERIAL PLATE, NON CE ......................................................... 1 ........... CONTACT MQ PARTS
3 4014 SCREW, 2-3/16" P-K 2
4 14441 DECAL, READ, PROTECTION, SMOKING, GUARD, GAS 1
5 23803 DECAL, GUARANTEED SOUND, 115 DB 1
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 33
Page 34
25
Discount-Equipment.com
30
27
LOCTITE™242
PIPE THREAD
28
VIBRATOR ASSY.
1
5
22
23
21
1
20
LOCTITE™246
PIPE THREAD
19
8
LOCTITE™246
PIPE THREAD
18
1
1
2
2
32
31
9
15
1
LOCTITE™242
PIPE THREAD
12
13
14
11
10
1
24
25
PAGE 34 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
1
17
NOTES:
1
16
APPLY LOCTITE™242
Page 35
VIBRATOR ASSY.
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NO. PART NO. PART NAME QTY. REMARKS
1 4683 SCREW, HHC 5/16"-18 X 5/8" 6
2 14470 PLATE, CLUTCH MOUNTING 1
5 ZT363A1 CLUTCH ASSY., 5/8" CENTRIFUGAL 1
8 14472 BRACKET, TENSIONING 1
9 0161 C WASHER, LOCK 5/16" MED. 3
10 50125-04 KNOB, PLASTIC QUICK DISCONNECT 1
11 90004-07 HOUSING, SPRING 1
12 7200-001 LOCK PIN, QUICK DISCONNECT 1
13 07502-016 PIN, SLOTTED SPRING 5/32" X 1.00" 1
14 59999-08 RETAINER SPRING, BACKPACK 1
15 14473 COUPLING HOUSING 1
16 14475 NUT, SPANNER, LOCKING, 2-20 X .25 1
17 14469 SCREW, FHCSL 10-32 X .313, SS 1
18 14478 COUPLING SHAFT, PULLEY 1
19 14480 BEARING, BACKPACK SHAFT 2
20 14477 SHAFT, CENTER PULLEY 1
21 14479 PULLEY, BACKPACK DRIVEN 1
22 14482 BELT, BACKPACK 1
23 14492 NUT, COUPLING 5/16" X 1.0" 3
24 14462 GUARD, BELT BACKPACK 1
25 5065 B SCREW, PHP 10-32 X 1/2" 10
27 1477 LOCTITE™242, BLUE, .5CC BOTTLE 1
28 14489 SCREW, FHSC 1/4"-28 X 5/8" 4
30 14432 ENGINE, HONDA GXH50UQXA 1
31 0300 B WASHER, FLAT SAE 5/16" 3
32 14445 STAND OFF, 10-32 X 2.50LG 5
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 35
Page 36
FRAME AND SWIVEL ASSY.
Discount-Equipment.com
SLEEVE
2
8
1
10
9
8
7
6
4
12
5
2
LOCTITE™242
PIPE THREAD
11
13
14
1
NOTES:
TUBE FRAME, ITEM 13
1
INCLUDES SLEEVE. SLEEVE
CANNOT BE PURCHASED
SEPARATELY.
2
APPLY LOCTITE™242
PAGE 36 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 37
FRAME AND SWIVEL ASSY.
Discount-Equipment.com
NO. PART NO. PART NAME QTY. REMARKS
1 14439 PLATE, SWIVEL TOP 1
2 8156 SCREW, HHC 3/8"-16 X 2-1/2" 1
4 14438 PLATE, SWIVEL BASE 1
5 14480 BEARING, BACKPACK SHAFT 2
6 10133 NUT, NYLOC 3/8"-16 1
7 14450 SWIVEL MOUNT W/A 1
8 46272 NUT, FLANGED 3/8"-16 6
9 14442 DAMPENER, VIBRATION 3
10 4001 WASHER, FLAT USS 3/8" PLD. 1
11 14443 CLAMP, FRAME 3/4" 3
12 14467 SCREW, BHC 1/4"-20 X 1-1/2" 6
13 14431 TUBE, FRAME ...................................................1................SLEEVE CANNOT BE SOLD
SEPARATELY
14 1477 LOCTITE™242, BLUE, .5CC BOTTLE 1
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 37
Page 38
ENGINE MOUNTING ASSY.
Discount-Equipment.com
11
A
A
12
2
I0I
7
B
8
6
5
3
4
B
1
2
LOCTITE™242
PIPE THREAD
2
10
PAGE 38 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
9
1
NOTES:
1
APPLY LOCTITE™242
2
TORQUE TO 68 IN-LB (7.68 N●M)
Page 39
ENGINE MOUNTING ASSY.
Discount-Equipment.com
NO. PART NO. PART NAME QTY. REMARKS
1 60221 SPLIT LOOM, DIA.375, 4 FT. ............................1................1PC = 1FT.
2 14489 SCREW, FHSC, 1/4"-28 X 5/8" 3
3 14485 HARNESS, WIRING 1
4 14495 SCREW, FHSC, 1/4"-28 X 1-1/2" 1
5 14433 MOUNT, SWITCH, ON-OFF 1
6 14440 BRACKET, THROTTLE MOUNT 1
7 14434 THROTTLE, LEVER/CABLE PLASTIC 1
8 19378 NUT, HEX JAM 1/4"-28 4
9 1477 LOCTITE™242, BLUE, .5CC BOTTLE 1
10 42542 SCREW HFS, ZP, M6-1.0 X 16 4
11 34308 SCREW, HHF SLOT, #10-32 X 5/8" 1
12 16576891000 HOLDER, CABLE 1
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 39
Page 40
ENGINE SERVICE PARTS ASSY.
Discount-Equipment.com
1
2
3
7
6
5
4
PAGE 40 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 41
ENGINE SERVICE PARTS ASSY.
Discount-Equipment.com
NO. PART NO. PART NAME QTY. REMARKS
1 17620ZL8023 CAP, FUEL 1
2 9805655777 SPARK PLUG (NKG) 1
3 34150ZH7023 OIL ALERT UNIT 1
4 35480ZM7801 OIL LEVEL SWITCH ASSY. 1
5 28462ZM70003 ROPE, STARTER 1
6 28461ZM3003 KNOB, RECOIL STARTER 1
7 17211ZM7000 ELEMENT, AIR 1
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 41
Page 42
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:
1.
2.
3.
4.
5. Parts must be in new and resalable
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
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
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 profi t or good will or for any
other special, consequential or incidental
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
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A Returned Material Authorization
must be approved by Multiquip prior to
shipment.
To obtain a Return Material Authorization,
a list must be provided to Multiquip
Parts Sales that defi nes item numbers,
quantities, and descriptions of the items
to be returned.
a. The parts numbers and descriptions
must match the current parts price
list.
b. The list must be typed or computer
generated.
c. The list must state the reason(s)
for the return.
d. The list must reference the sales
order(s) or invoice(s) under
which the items were originally
purchased.
e. The list must include the name
and phone number of the person
requesting the RMA.
A copy of the Return Material Authorization
must accompany the return shipment.
Freight is at the sender’s expense. All
parts must be returned freight prepaid to
Multiquip’s designated receiving point.
TERMS AND CONDITIONS OF SALE — PARTS
condition, in the original Multiquip
package (if any), and with Multiquip part
numbers clearly marked.
6. The following items are not returnable:
a. Obsolete parts. (If an item is in the
price book and shows as being
replaced by another item, it is
obsolete.)
b. Any parts with a limited shelf life
(such as gaskets, seals, “O” rings,
and other rubber parts) that were
purchased more than six months
prior to the return date.
c. Any line item with an extended
dealer net price of less than
$5.00.
d. Special order items.
e. Electrical components.
f. Paint, chemicals, and lubricants.
g. Decals and paper products.
h. Items purchased in kits.
7. The sender will be notifi ed of any material
received that is not acceptable.
8. Such material will be held for five
working days from notifi cation, pending
instructions. If a reply is not received
within five days, the material will be
returned to the sender at his expense.
9. Credit on returned parts will be issued
at dealer net price at time of the original
purchase, less a 15% restocking
charge.
10. In cases where an item is accepted, for
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.
11. Credit issued will be applied to future
purchases only.
PRICING AND REBATES
Prices are subject to change without prior
notice. Price changes are effective on a
specifi c 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.
own products.
SPECIAL EXPEDITING SERVICE
parts to the carrier.
damages.
LIMITATION OF WARRANTIES
of the products on the face hereof.
Effective: February 22, 2006
PAGE 42 — BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17)
Page 43
NOTES
Discount-Equipment.com
BPX GASOLINE VIBRATOR • OPERATION AND PARTS MANUAL — REV. #1 (08/28/17) — PAGE 43
Page 44
OPERATION AND PARTS MANUAL
PN: 14454
Your Local Dealer is:
HERE’S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
© COPYRIGHT 2017, MULTIQUIP INC.
Multiquip Inc
,
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
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.
The information and specifi cations 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 specifi cations, design or the information published
in this publication at any time without notice and without incurring any obligations.
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