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OPERATION AND PARTS MANUAL

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

To find the latest revision of this 

publication, visit our website at: 

www.multiquip.com

MODEL BPX 

GASOLINE BACKPACK VIBRATOR

(HONDA GXH50UQXA GASOLINE ENGINE)

Revision #1 (08/28/17)

PN: 14454

Discount-Equipment.com

Summary of Contents for BPX

Page 1: ...Y THE EQUIPMENT AT ALL TIMES To find the latest revision of this publication visit our website at www multiquip com MODEL BPX GASOLINE BACKPACK VIBRATOR HONDA GXH50UQXA GASOLINE ENGINE Revision 1 08 28 17 PN 14454 D i s c o u n t E q u i p m e n t c o m ...

Page 2: ...emicals known to the State Some examples of these chemicals are Leadfromlead basedpaints Crystallinesilicafrombricks Cementandothermasonryproducts Arsenicandchromiumfromchemically treatedlumber Your risk from these exposures varies dependingonhowoftenyoudothistype of work To reduce your exposure to these chemicals work in a ALWAYS well ventilated area and work with approved safety equipment such a...

Page 3: ...efects 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 authorit...

Page 4: ...tions and part numbers are subject to change without notice TABLE OF CONTENTS Multiquip Bpx Gasoline Concrete Vibrator Proposition 65 Warning 2 Silicosis Respiratory Warnings 3 Table Of Contents 4 Parts Ordering Procedures 5 Safety Information 6 9 Specifications 10 Dimensions 11 General Information 12 Components 13 14 Set Up 15 17 Inspection 18 Operation 19 24 Maintenance 25 28 Troubleshooting 29 ...

Page 5: ...de Florida TOLL FREE 877 690 3101 Need parts Check out our website at www discount equipment com Can t find what you need Click on this link http www discount equipment com category 5443 parts and fill out the request form Make sure you have your machines model and serial number available in order to help us get you the correct parts One of our experienced staff members will get back to you with a...

Page 6: ...rproperty orthesurroundingenvironment 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 specifically address the level of exposure to the operator and are preceded by one of four words DANGER WARNING CAUTION or NOTICE DANGER Indicates a hazardous situati...

Page 7: ...the machine should be made only by the manufacturer who shall confirm that the machine is in conformity with appropriate safety regulations 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 k...

Page 8: ...witch in the OFF 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 for engine technical questions or information NEVER run engine without an air filter or with a dirty air filter Severe engine ...

Page 9: ...ntact your country s Department of Public Works or recycling agency in your area and arrange for proper disposal of any electrical components waste or oil associated with this equipment When the life cycle of this equipment is over remove battery if equipped and bring to appropriate facility for lead reclamation Use safety precautions when handling batteries that contain sulfuric acid When the lif...

Page 10: ... 000 rpm Fuel Tank Capacity Approx 0 32 U S gallons 1 2 liters Fuel Unleaded Gasoline Octane Rating of 86 or Higher Lube Oil Capacity 0 26 qt 25 liters Spark Plug Type NKG CR5HSB Denso U16FSR UB Spark Plug Gap 0 024 0 028 in 0 6 0 7 mm Speed Control Method Centrifugal Flyweight Type Starting Method Recoil Start Dimension L x W x H 8 9 10 8 13 9 in 225 274 353 mm Dry Net Weight Engine 12 1 lb 5 5 k...

Page 11: ...TION AND PARTS MANUAL REV 1 08 28 17 PAGE 11 DIMENSIONS Figure 1 Vibrator Dimensions BPX A B C Table 2 Vibrator Dimensions Reference Letter Dimension in mm A 11 0 280 B 13 75 349 C 27 0 686 D i s c o u n t E q u i p m e n t c o m ...

Page 12: ...e shaft or head CAUTION When operating the BPX vibrator ALWAYS wear rubber insulated gloves and boots Safety glasses and ear protection are also recommended WARNING Before operating this gasoline powered 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 Backpack VibratorTheory...

Page 13: ...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 Harnes...

Page 14: ...acement will allow dirt to enter the engine causing rapid engine wear 8 FuelTank 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 9 Muffler Reduces noise and emissions NEVER touch the muffler while it is hot 10 EngineON OFFSwitch ONpositionper...

Page 15: ...on 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 Length ft m Weight lb kg 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 Length ft m Weight lb kg FS3 3 0 9 8 4 3 8 FS7 7 2 1 1...

Page 16: ...SET UP 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 l...

Page 17: ... APPLY LOCTITE 271 FS SERIES FLEXIBLE SHAFT VIBRATOR HEAD QUICK DISCONNECT KNOB MALE QUICK DISCONNECT COUPLER FSN SERIES FLEXIBLE SHAFT ECCENTRIC END BELL VIBRATOR HEAD LOCTI T E 271 PI P E THREA D L O C T IT E 2 7 1 P IP E T H R E A D APPLY LOCTITE 271 MALE QUICK DISCONNECT COUPLER L O C T IT E 2 7 1 P IP E T H R E A D APPLY LOCTITE 271 D i s c o u n t E q u i p m e n t c o m ...

Page 18: ... SAE 10W 10 Fuel Check Remove the fuel filler cap and inspect the fuel level in the tank If fuel is low replenish with unleaded fuel 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...

Page 19: ...l level Check the fuel level Check the tension and condition of the V belt INITIAL START UP 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 8 Engine Fuel Va...

Page 20: ...2 Engine ON OFF Switch ON 6 Place the throttle lever Figure 13 in the UP position TURTLE to start the engine in IDLE mode ON OFF ENGINE SWITCH I 0 I 0 I Figure 13 Throttle Lever Idle Turtle Position 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 Figure 14 Starter Grip IDLE ...

Page 21: ... e g a workbench or tailgate of a truck This will enable the operator to don the backpack more easily 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 BACKPACK TAILGATE Figure 17 Backpack Adjustment 4 Adjust t...

Page 22: ...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 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 X X NOTICE To keep the vibrator head cool make sure it is kept compl...

Page 23: ... in the UP position TURTLE Figure 20 and run the engine for three minutes at idle speed Figure 20 Throttle Turtle Idle Position 3 Place the ON OFF switch located on the left strap to the OFF position Figure 21 IDLE THROTTLE Figure 21 ON OFF Switch OFF 4 Move the fuel valve lever to the OFF position Figure 22 Figure 22 Fuel Valve Lever OFF I 0 0 0 I OPERATION D i s c o u n t E q u i p m e n t c o m...

Page 24: ...OFF position Figure 23 Engine ON OFF Switch OFF Emergency Shutdown 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 Figure 24 ON OFF Switch OFF ON OFF ENGINE SWITCH I 0 0 0 I OPERATION D i s c o u n t E q u i p m e n t c o m ...

Page 25: ... Fuel Filter Check X Idle Speed Check Adjust X 2 Valve Clearance Check Adjust 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 oper...

Page 26: ...ngine 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 GAP 0 024 0 028 in 0 6 0 7 mm MAINTENANCE Engine Oil Refer to Figure 26 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...

Page 27: ...he possibility exists of fire or explosion which can damage the equipment and cause severe bodily harm or even DEATH SOLVENT ENGINE OIL FOAM ELEMENT SQUEEZE THOROUGHLY V BeltTension 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 Figure 29 V Belt Adjustment 3 When theV belt is prope...

Page 28: ... EP2 high temperature 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 NOTICE After every job or every 50 hours the shaft should be disassembled cleaned inspected lubricated and reassembled NOTICE Use heat to break down the Loctite while unthreading the head from the shaft This will prevent damage to the threa...

Page 29: ... 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 Difficult to start fuel is available spark is present and compression is normal Wrong fuel ty...

Page 30: ...ailability of the parts listed 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 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...

Page 31: ... 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 D i s c o u n t E q u i p m e n t c o m ...

Page 32: ...PAGE 32 BPX GASOLINE VIBRATOR OPERATION AND PARTS MANUAL REV 1 08 28 17 NAMEPLATE AND DECALS ASSY I 0 MODEL SERIAL NO BPX L 115dB P N 23803 WA 2 3 4 5 P N 14441 1 D i s c o u n t E q u i p m e n t c o m ...

Page 33: ...ND DECALS ASSY NO PART NO PART NAME QTY REMARKS 1 14437 DECAL ON OFF SWITCH BPX 48 X 85 1 2 SERIAL PLATE NON CE 1 CONTACTMQPARTS 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 D i s c o u n t E q u i p m e n t c o m ...

Page 34: ...OR ASSY 1 1 1 NOTES APPLY LOCTITE 242 1 1 1 1 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 24 30 2 25 32 9 31 5 2 27 28 25 LO CT IT E 24 2 PI PE TH RE AD L O C T IT E 2 4 2 P IP E T H R E A D LOCTITE 246 PIPE THREAD LOCTITE 246 PIPE THREAD D i s c o u n t E q u i p m e n t c o m ...

Page 35: ... 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 PH...

Page 36: ...MANUAL REV 1 08 28 17 FRAME AND SWIVEL ASSY 1 2 4 5 6 7 8 9 10 8 SLEEVE 1 1 TUBE FRAME ITEM 13 INCLUDES SLEEVE SLEEVE CANNOT BE PURCHASED SEPARATELY NOTES 11 13 12 2 2 APPLY LOCTITE 242 LOCTITE 242 PIPE THREAD 14 D i s c o u n t E q u i p m e n t c o m ...

Page 37: ...8 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 D i s c o u n t E q u i p m e n t c o m ...

Page 38: ... OPERATION AND PARTS MANUAL REV 1 08 28 17 ENGINE MOUNTING ASSY A A B B LOCTITE 242 PIPE THREAD 1 NOTES 1 APPLY LOCTITE 242 1 2 2 4 5 6 7 8 9 10 11 12 3 I 0 I 2 TORQUE TO 68 IN LB 7 68 N M 2 D i s c o u n t E q u i p m e n t c o m ...

Page 39: ... 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 D i s c o u n t E q u i p m e n t c o m ...

Page 40: ...PAGE 40 BPX GASOLINE VIBRATOR OPERATION AND PARTS MANUAL REV 1 08 28 17 ENGINE SERVICE PARTS ASSY 2 3 4 5 6 7 1 D i s c o u n t E q u i p m e n t c o m ...

Page 41: ...ASSY 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 D i s c o u n t E q u i p m e n t c o m ...

Page 42: ...e notified of any material received that is not acceptable 8 Such material will be held for five 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 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...

Page 43: ...BPX GASOLINE VIBRATOR OPERATION AND PARTS MANUAL REV 1 08 28 17 PAGE 43 NOTES D i s c o u n t E q u i p m e n t c o m ...

Page 44: ...ent at all times This manual is considered a permanent part of the equipment and should remain with the unit if resold 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 t...

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