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MULTIQUIP BS90C, Operation And Parts Manual

The MULTIQUIP BS90C is a top-performing construction equipment designed for heavy-duty tasks. Ensure smooth operation and long-lasting performance by accessing the free Operation And Parts Manual. Download this comprehensive manual from our website today and unlock valuable insights to maximize the potential of your MULTIQUIP BS90C.

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BS90C WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #0 (9/4/15)— PAGE 75

EX27 — MUFFLER ASSY. 

NO. 

PART NO. 

PART NAME 

QTY. 

REMARKS

10  

2793160121  

CAM SHAFT CP  ...............................................1................INCLUDES  ITEMS W/%

25  

2773510103  

PIN (CAM SHAFT)  

1

27  

0240060030  

O RING  

1

34%  2773860103  

PIN (SPRING)  

1

35%  2793640103  

RELEASE LEVER  

1

37%  2773650103  

CLIP  

1

38%  2773870303  

RETURN SPRING  

1

60  

2793360103  

VALVE SPRING  

2

70  

2693370103  

SPRING RETAINER  

2

80  

27933401H3  

INTAKE VALVE  

1

90  

27933501H3  

EXHAUST VALVE  

1

95  

13210KA031  

COLLET-VALVE  

4

150  

27935602H1  

TIMING CHAIN CP  

1

160 

2773691103  

TENTIONER  

1

163  

2773710103  

SPRING (TENTIONER)  

1

166  

2773690203  

PIN (TENTIONER)  

1

170  

2773691313  

CHAIN GUIDE  

1

200  

2773500401  

PIN (ROCKER) CP  ...........................................1................INCLUDES  ITEMS W/+

202+  0031305000  

CLIP  

1

220  

2773620100  

ROCKER ARM (IN) ASSY. .................................1................INCLUDES  ITEMS W/#

225  

2773620200  

ROCKER ARM (EX) ASSY. ................................1................INCLUDES  ITEMS W/@

230#   0149050020  

ADJUST SCREW  

1

231@  0149050020  

ADJUST SCREW  

1

240#  0170050030  

NUT  

1

241@  0170050030  

NUT  

1

290  

0110060010  

FLANGE BOLT  

1

310  

27930111L1  

MUFFLER CP  

1 

315  

2793760101  

SPARK ARRESTER CP  

1

317  

0150040060  

TAPPING SCREW  

1

320  

2793420121  

MUFFLER COVER CP  

1

340  

2773520113  

GASKET (MUFFLER)  

1

350  

0023808000  

FLANGE NUT  

2

360  

0152060090  

TAPPING BOLT  

2

361  

0110060010  

FLANGE BOLT  

1

365  

0110080320  

FLANGE BOLT  

1

387  

0150040060  

TAPPING SCREW  

2

440  

27737001H1  

DEFLECTOR CP  

1

540  

27932902J1  

INSULATOR CP  ................................................1................INCLUDES ITEMS W/$

560$  27935902J3  

GASKET 1 (INSULATOR)  

1

570  

0023806000  

FLANGE NUT  

2

580  

0010406200  

FLANGE BOLT  

1

Summary of Contents for BS90C

Page 1: ... MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES To find the latest revision of this publication visit our website at www multiquip com MODEL BS90C WALK BEHIND TROWEL SUBARU EX270DE5013 GASOLINE ENGINE Revision 0 9 4 15 P N 30226 OriginalVersion ...

Page 2: ...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 as dust masks that are specially designed ...

Page 3: ...sease 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...

Page 4: ...ons 30 31 Maintenance 32 40 Troubleshooting 41 44 Wiring Diagram 45 Explanation Of Code In Remarks Column 46 Suggested Spare Parts 47 Component Drawings Nameplates And Decals 48 49 Standard Handle Assembly 50 53 Quick Pitch Handle Assembly 54 57 Guard Ring And Engine Mounting Assembly 58 59 Stabilizer Ring Assembly 60 61 Gearbox Assembly 62 63 Engine And Clutch Assembly 64 65 Spider Assembly 66 67...

Page 5: ...e View Parts Diagrams Order Parts Print Specification Information Note Discounts Are Subject To Change Goto www multiquip com and click on Order Parts to log in and save Use the internet and qualify for a 5 Discount on Standard orders for all orders which include complete part numbers Order via Fax Dealers Only All customers are welcome to order parts via Fax Domestic US Customers dial 1 800 6 PAR...

Page 6: ...omponents checking of engine oil level 3 Fuel system refueling procedure 4 Operation of controls machine not running 5 Safety controls safety stop switch operation 6 Emergency stop procedures 7 Startup of machine engine choke 8 Maintaining a hover 9 Maneuvering 10 Pitching 11 Concrete finishing techniques 12 Shutdown of machine 13 Lifting of machine lifting bale 14 Machine transport and storage ...

Page 7: ... OPERATION AND PARTS MANUAL REV 0 9 4 15 PAGE 7 DAILY PRE OPERATION CHECKLIST Daily Pre Operation Checklist 1 Engine oil level 2 Gearbox oil level 3 Condition of blades 4 Blade pitch operation 5 Safety stop switch operation ...

Page 8: ...al in conjunction with safety messages Warning decals associated with the operation of this equipment are defined below Inhaling exhaust fumes can result in severe injury or death Only operate equipment in well ventilated areas inhale exhaust gases fumes DO NOT WARNING Lethal Exhaust Gas Hazard HOT PARTS can burn skin CAUTION Burn Hazard touch hot parts Allow machine a sufficient amount of time to...

Page 9: ... 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 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 an...

Page 10: ...ion of any of these devices will void all warranties CAUTION NEVER stand on trowel during operation NEVER lubricate components or attempt service on a running machine NEVER place your feet or hands inside the guard rings while starting or operating this equipment DANGEROUS GAS FUMES KEEP CLEAR ALWAYS keep work area clear around the trowel Make sure it is free of debris and objects NOTICE ALWAYS ke...

Page 11: ...ainers in well ventilated areas and away from sparks and flames NEVER use fuel as a cleaning agent DO NOT smoke around or near the equipment Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine TRANSPORTING SAFETY CAUTION NEVER allow any person or animal to stand underneath the equipment while lifting NOTICE Some walk behind trowels can be lifted or moved by two pe...

Page 12: ...d all other metal parts be sent to a recycling center Metal recycling involves the collection of metal from discarded products and its transformation into raw materials to use in manufacturing a new product Recyclers and manufacturers alike promote the process of recycling metal Using a metal recycling center promotes energy cost savings EMISSIONS INFORMATION NOTICE The gasoline engine used in thi...

Page 13: ... 5 876 2 Path Width in mm 48 233 B Height Handle in mm Standard 41 1 1 044 2 Rotor RPM Dry Concrete 60 130 Quick Pitch 41 1 1 044 2 C Width Ring Diameter in mm 46 0 1 168 4 Gear Box Oil Capacity oz ml 28 828 D Width in mm 75 2 1 910 1 Shipping Weight lbs kg Standard Quick Pitch 218 98 8 218 98 8 Number of Blades 4 C D TOP VIEW A A A B SIDE VIEW Figure 1 Dimensions ...

Page 14: ...ifugal Fly weight Type Cooling System Forced Air Starting Method Recoil Start Spark Plug Type NKG BR6HS Spark Plug Gap 0 028 0 031 in 0 70 0 80 mm Dimensions L x W x H 13 82 x 16 54 X 16 14 in 351 X 420 X 410 mm Dry Net Weight 46 31 lbs 21 Kg NOTES 1 Sound Pressure and Power Levels are A weighted Measures per ISO 226 2003 ANSI S1 4 1981 They are measured with the operating condition of the machine...

Page 15: ...er to the engine owner s manual for instructions regarding the operation and maintenance of your engine Please contact your nearest Multiquip Dealer for a replacement should the original manual disappear or otherwise become unusable DRIVE SYSTEM Power is transferred from the engine to the gearbox input shaft via a V belt pulley drive system The pulley engages using a centrifugal clutch See parts s...

Page 16: ...ent levers begin blade rotation when engaged 6 Vibratory Handle Bar Installed rubber shock mounts isolators reduces vibration when the trowel is operating 7 StarWheel Pitch Knob 4 Blade To adjust the pitch of the blades rotate the star wheel clockwise to pitch blades upwards Rotate star wheel counterclockwise to pitch blades flat no pitch 8 Handle Bar Pad Foam rubber pad that protects the body whe...

Page 17: ...g 14 Gearbox Helical worm gear drive gearbox Provides rotation of blades via engine interface ALWAYS check gearbox oil level sight glass prior to each use Fill with recommended type gearbox oil 15 Trowel Arm NEVER operate the trowel with a bent broken or out of adjustment trowel arm If the blades show uneven wear patterns or some blades wear out faster than others the trowel arm may need to be adj...

Page 18: ...t to start the engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry 5 Throttle Lever Used to adjust engine RPM speed This lever is connect to the throttle lever cable located on the handle bars Reference throttle cable installation procedure in this manual 6 Recoil Starter pull rope Manual starting method Pull the starter grip until resistance is fe...

Page 19: ...OPERATIONAL POSITION STAR WHEEL UPPER HANDLE OPERATIONAL POSITION ASSEMBLY AND INSTALLATION Before the trowel can be put into operation there are some components that must be installed This section provides general instructions on how to install those components MAIN HANDLETUBE INSTALLATION 1 Attach the main handle tube to the gearbox using the supplied hardware as shown in Figure 6 Figure 6 Handl...

Page 20: ...NCREASE BLADE PITCH CW DECREASE BLADE PITCH CCW NO PITCH FULL PITCH T HANDLE TRIGGER LOCK WARNING The Quick Pitch T handle is under spring tension and can snap in the direction of force toward user if not firmly grasped which may cause bodily injury ASSEMBLY AND INSTALLATION 3 Remove brass set nut 1 from the blade pitch cable end See Figure 10 Figure 10 Blade Pitch Cable 4 Thread the brass set nut...

Page 21: ...n operator position of theT bar handle to lock the throttle cable at the proper length THROTTLE CABLE ENGINE THROTTLE LEVER 1 4 6 35 MM CABLE HOUSING CLAMP SCREW CABLE LOCKING SCREW 7 Adjust cable tenstion by loosening or tightening the locking nut and cable retaining screw on the throttle lever see Figure 13 Figure 13 Adjusting Cable Tension INSTACLUTCH CABLE INSTALLATION 1 Uncoil the free end of...

Page 22: ...e the 5 16 outer nut Figure 17 and rubber cap from the threaded end on the clutch cable Figure 17 Outer Nut And Rubber Cap Removal 7 Adjust the 5 16 inner nut Figure 18 for a 7 8 distance from the threaded end on the clutch cable to the inner nut Figure 18 Inner Nut Adjustment 8 Insert the exposed cable Figure 19 into the cable slot on the cable anchor Figure 19 Inserting Clutch Cable Into Cable A...

Page 23: ...CH ANCHOR FLAT EXPOSED CABLE CABLE HOUSING OUTER NUT INNER NUT CLUTCH CABLE SUPPORT BRACKET Before Starting 1 Read all safety instructions at the beginning of manual 2 Clean the trowel removing dirt and dust particularly the engine cooling air inlet carburetor and air cleaner 3 Check the air filter for dirt and dust If air filter is dirty replace air filter with a new one as required 4 Check carbu...

Page 24: ... oil plug located on the side of the gearbox Figure 24 This plug will be marked by the check decal The correct level of the lubrication oil should be to the bottom of the fill plug Figure 24 Gearbox 2 If lubrication oil begins to seep out as the drain plug is being removed then it can be assumed that the gearbox has a sufficient amount of oil 3 If lubrication oil does not seep out as the drain plu...

Page 25: ...le by crane or other lifting device of adequate capacity NOTICE DO NOT attempt to operate the trowel until the Safety General Information and Inspection sections of this manual have been read and thoroughly understood NOTICE The trowel is heavy and awkward to move around Use proper heavy lifting procedures and DO NOT lift the trowel by the guard rings Lifting Bale The lift bale provides an optimal...

Page 26: ...ion Figure 28 Throttle Idle Position IDLE THROTTLE LEVER 4 Place the choke lever Figure 29 in the OPEN position Figure 29 Choke Lever Open 5 Grasp the starter grip Figure 30 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 30 Starter Grip 6 If the engine has started ...

Page 27: ... all operators experienced and novice read Slabs on Grade published by the American Concrete Institute Detroit Michigan Read the Training section of this manual for more information THROTTLE LEVER RUN Right Clutch Lever Left Clutch Lever Pitching the Blades Standard Handle To pitch the blades upwards using the Standard handle Figure 34 simply turn the star wheel clockwise Turning the star wheel co...

Page 28: ...e foothold and a firm grasp on the handle slowly increase the engine speed until the desired blade speed is obtained 2 Figure 36 below illustrates a typical walk behind trowel application Practice maneuvering the trowel The trick is to let the trowel do the work 3 Continue to practice maneuvering the trowel Try to practice as if you were finishing a slab of concrete Practice edging and covering a ...

Page 29: ...he engine for three minutes at low speed Figure 37 Throttle Lever Idle 2 After the engine cools turn the engine start stop switch to the OFF position Figure 38 Figure 38 Engine ON OFF Switch OFF Position IDLE THROTTLE LEVER OPERATION 3 Close the fuel shut off valve Figure 39 by moving the fuel valve lever to the OFF position Figure 39 Fuel Valve Lever OFF ...

Page 30: ...uld only be used after the concrete has set to the point where the trowel does not sink into the concrete when placed on it Figure 41 Finish Blade NOTICE Trowel blades should be changed when they fail to finish concrete in a satisfactory manner Clip On Float Blades Optional These blades will clip Figure 42 onto an existing installed blade allowing your finisher to float on wet concrete so that the...

Page 31: ...tly The Trowel Arm Fixture P N is 1817 Figure 44 Trowel Arm Adjustment Fixture Quick Pitch Handle Optional This feature Figure 45 is not standard equipment on this model walk behind trowel To order this feature please contact MQ unit sales Figure 45 Quick Pitch Handle Option The Quick Pitch Handle feature allows the operator to adjust the pitch of the blades by grasping the handle then squeezing t...

Page 32: ...e 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 Table 6 Trowel Maintenance Schedule ITEM OPERATION DAILY Periodic Maintenance Interval Every 50 ...

Page 33: ...nance operations may require the engine to be run Ensure that the maintenance area is well ventilated Gasoline engine exhaust contains poisonous carbon monoxide gas that can cause unconsciousness and may result in DEATH Engine Air Cleaner This engine is equipped with a replaceable high density paper air cleaner element See Figure 46 for air cleaner components 1 Remove the air cleaner cover and foa...

Page 34: ...d tighten securely Figure 47 Draining Engine Oil NOTICE Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure MAINTENANCE SPARK PLUG 1 Remove and clean spark plug Figure 48 with a wire brush if it is to be reused Discard spark plug if the insulator is cracked or chipped 2 Using a feeler gauge adjust spark plu...

Page 35: ...LAZED OIL SOAKED BROKEN CORD FAILURE CRACKS MISSING RUBBER SIDEWALL WEAR WORN BACK COVER SPARK ARRESTER CLEANING Clean the spark arrester every 6 months or 100 hours 1 Remove the 4 mm screw 3 from the exhaust deflector then remove the deflector See Figure 50 2 Remove the 5 mm screw 4 from the muffler protector then remove the muffler protector 3 Remove the 4 mm screw from the spark arrestor then r...

Page 36: ...rect perception of adjustment Ideally a 5 x 5 ft 1 5 x 1 5 meter three quarter inch 19 mm thick FLAT steel plate should be used for testing MAINTENANCE 2 Pitch the blades as flat as possible The pitch adjustment bolts Figure 53 should all barely make contact 0 10 inch max clearance with the lower wear plate on the spider All pitch alignment bolts should be spaced the same distance from the lower w...

Page 37: ...GING BLADES It is recommended that ALL the blades on the trowel are changed at the same time If only one or some of the blades are changed the machine will not finish concrete consistently and the machine may wobble or bounce Perform the following procedure when changing blades Please note the blade orientation on the trowel arm before removing 1 Lift the trowel up placing blocks under the main gu...

Page 38: ...tness as follows Figure 58 Trowel Arm TROWEL ARM ROLL PIN SPIDER PLATE ZERK GREASE FITTING CAP BUSHING TROWEL ARM ROUND SHAFT SECTION ROLL PIN HOLE BLADE ATTACHMENT BOLT HOLE FLAT OF HEXAGONAL SHAFT TOP OF ARM LEVER MOUNTING SLOT TROWEL ARM HEXAGONAL HEX SHAFT SECTION 1 Use a thick steel plate granite slab or any surface which is true and flat to check all six sides of each trowel arm for flatness...

Page 39: ...ADJUSTMENT BOLT ADJUSTMENT BOLT 6 Loosen the locking nut on the trowel arm lever then turn the trowel arm adjusting bolt until it barely touches 010 the fixture adjusting bolt 7 Once the correct adjustment is made tighten the lock nut on the trowel arm to lock in place 8 Loosen locking nuts on the adjustment fixture and remove trowel arm 9 Repeat steps for the remaining trowel arms REASSEMBLY 1 Cl...

Page 40: ...ed grease conforming to NLGI Grade 2 consistency INSTALLING PANS ONTO FINISHER BLADES These round discs sometimes referred to as pans attach to the spiders arms and allow early floating on wet concrete and easy movement from wet to dry areas They are also very effective in embedding large aggregates and surface hardeners Refer to Figure 61 when installing pans onto finisher blades Figure 61 Z Clip...

Page 41: ...applicable Difficult to start fuel is available and spark is present at the spark plug 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 ...

Page 42: ...gs Recoil starter malfunctions if applicable Recoil mechanism clogged with dust and dirt Clean recoil assembly with soap and water Spiral spring loose Replace spiral spring Starter malfunctions Loose damaged wiring Ensure tight clean connections on battery and starter Battery insufficiently charged Recharge or replace battery Starter damaged or internally shorted Replace starter Burns too much fue...

Page 43: ...lades should measure no less than 2 50mm from the blade bar to the trailing edge combo blades should measure no less that 3 5 89mm Trailing edge of blade should be straight and parallel to the blade bar Pitch adjustment Check that all blades are set at the same pitch angle as measured at the spider A field adjustment tool is available for height adjustment of the trowel arms Contact Parts Dept Ben...

Page 44: ...des Adjust per maintenance section in manual Clutch slipping or sluggish response to engine speed change Worn V belts Replace V belt Hand clutch out of adjustment Adjust per instructions in maintenance section of this manual Worn or defective hand clutch parts Replace parts as necessary Worn bearings in gearbox Rotate input shaft by hand If shaft rotates with difficulty check the input and output ...

Page 45: ... 0 9 4 15 PAGE 45 OIL LEVEL SWITCH GRN OIL ALERT UNIT YEL OIL LEVEL INDICATOR ENGINE STOP SWITCH UNIT IGNITION COIL CHASSIS GND SPARK PLUG BLK YEL TRANSISTORIZED IGNITION UNIT BLK BLK BLK BLK SPLICE TAP CONNECTOR SCREW RECOIL STARTER COVER WIRING DIAGRAM ...

Page 46: ...not guarantee the availability 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 gene...

Page 47: ... CABLE INSTACLUTCH 2 0152 3 V BELT A28 4 1157 A BUSHING TROWEL ARM 4 2827 1 ARM TROWEL B EXTENDED SIL VER 1 10968 THRUST BEARING KIT 2 20111 OIL MOBILSYNTHETIC22OZ NOTICE Part numbers on this Suggested Spare Parts list may supersede replace the part numbers shown in the following parts lists SUBARU EX270DE5013 Qty P N Description 3 0650140150 SPARK PLUG 1 X430440161 TANK CAP 3 2793260618 AIR CLEAN...

Page 48: ... MULTIQUIP COM WALK BEHIND POWER TR OWEL P N 36099 13 15 16 1 3 2 P N 23700 4 L P N 23803 XXX WA XXXdB 9 6 5 P N 36099 11 Multiquip Inc 18910 Wilmington Ave Carson CA 90746 MODEL SERIAL NO MFG DATE kg lb kW hp DESIGNED AND ASSEMBLED IN USA Walk Behind Trowel 12 FI NI S H 36 CO M B O PR ELO AD TR IM IN D IC ATO R FI NI SH 48 CO M B O FI NI S H J CO M B O FI NI S H J C OM B O 14 Q U I C K P I T C H ...

Page 49: ...TECTIVECLOTHING 3 50 X1 13 1 6 23701 ISO DECAL ASK FOR TRAINING 2 00 DIA 1 7 2942 DECAL MQ WHITEMAN 13 WHITE 1 8 1492 DECAL FINISHER HANDLE 1 9 23803 111 ISO DECAL GUARANTEED SOUND 111 dbA 1 10 20816 DECAL MQ LOGO 6 78 X 80 2 11 23824 DECAL SERIAL PLATE 1 CONTACT MQ PARTS DEPARTMENT 12 4014 SCREW 2 3 16 P K TYPE U DRIVE 2 13 30319 DECAL KIT 1 INCLUDES ITEMS W 14 12405 DECAL WHITEMAN QUICK PITCH 1 ...

Page 50: ...5 STANDARD HANDLE ASSY 21 39 40 41 29 28 42 43 4 20 17 25 32 34 12 18 14 15 16 37 36 35 38 1 BLUE LOCTITE USE LOCTITE BLUE 246 W ALL SCREWS PART OF ITEM 47 ASSEMBLY NOTES 1 2 3 10 6 8 2 5 6 9 11 13 33 24 2 1 48 22 51 50 49 42 IN S TR UCTIO NS 44 45 46 47 31 27 A A 1 19 7 ...

Page 51: ...9 HAND WHEEL ASSY PITCH CONTROL 1 INCLUDES ITEMS W 14 0122 C SCREW SHS 3 8 16 X 1 2 1 15 0281 BEARING THRUST 1 16 1478 SHAFT TROWEL CONTROL 1 17 3615 COLLAR SET 3 4 ID 1 18 20282 BEARING TROWEL CONTROL 1 19 20817 WHEEL HANDLE 1 20 0786 SCREW BHC 1 4 20 X 3 8 NYL PATCH NP 2 21 0786A SPACER SLIDEBLOCKGUIDE 360 X17 64 X1 8 L1 22 1116 NUT BRASS JAM 5 16 18 2 24 20285 CABLE CONTROL 1 25 20287 SLIDE BLO...

Page 52: ...5 STANDARD HANDLE ASSY 21 39 40 41 29 28 42 43 4 20 17 25 32 34 12 18 14 15 16 37 36 35 38 1 BLUE LOCTITE USE LOCTITE BLUE 246 W ALL SCREWS PART OF ITEM 47 ASSEMBLY NOTES 1 2 3 10 6 8 2 5 6 9 11 13 33 24 2 1 48 22 51 50 49 42 IN S TR UCTIO NS 44 45 46 47 31 27 A A 1 19 7 ...

Page 53: ...ORT 1 39 1665 SCREW HHC 3 8 16 X 2 2 40 3233 WASHER FENDER 1 5 OD X 3 8 ID 4 41 9154 SCREW HHC 3 8 16 X 1 3 4 1 42 10133 NUT NYLOC 3 8 16 4 43 22059 ISOLATOR VIBRATION 3 44 22167 SCREW HHC 3 8 16 X 6 5 GRD 5 1 45 22206 CHASSIS CAST VIBRATION ISOLATOR 1 46 20439 WHEEL ASSY HAND 1 47 30206 VIBE CHASSIS ASSY 1 INCLUDES ITEMS W 48 60097 LOCTITE BLUE 246 1 49 21746 SPRING PRIMARY THROTTLE RETURN 1 50 1...

Page 54: ...9 4 15 QUICK PITCH HANDLE ASSY 37 59 64 24 28 40 39 25 30 29 32 34 33 21 22 46 35 48 47 44 43 58 27 42 41 4 54 55 12 13 3 10 6 8 2 53 49 50 51 52 5 6 9 11 A A 1 7 19 18 17 15 14 26 16 PART OF ITEM 13 ASSEMBLY NOTES 1 1 31 38 63 23 IN S TR UCTIO NS 60 17 62 61 57 20 ...

Page 55: ...2056 19 9154 SCREW HHC 3 8 16 X 1 3 4 1 20 22167 SCREW HHC 3 8 16 X 6 1 2 GRD 5 1 21 1116 NUT BRASS JAM 5 16 18 2 22 20297 CABLE CONTROL 1 23 30220 KIT INSTACLUTCH HANDLE INSTALLATION 1 INCLUDES ITEMS W 24 1717 SCREW Q P TRIM ADJUSTMENT 1 25 1718 NUT Q P TRIM CONTROL ADJUSTMENT 1 26 1719 BUSHING PIVOT PLATE 2 27 1729 PIN ROLL 3 16 X 1 1 4 2 28 1732 Q P ADJUSTMENT PIN 1 29 1733 WASHER 1 2 X 1 32 2 ...

Page 56: ...9 4 15 QUICK PITCH HANDLE ASSY 37 59 64 24 28 40 39 25 30 29 32 34 33 21 22 46 35 48 47 44 43 58 27 42 41 4 54 55 12 13 3 10 6 8 2 53 49 50 51 52 5 6 9 11 A A 1 7 19 18 17 15 14 26 16 PART OF ITEM 13 ASSEMBLY NOTES 1 1 31 38 63 23 IN S TR UCTIO NS 60 17 62 61 57 20 ...

Page 57: ... DOGBONE 1 52 20276 PIN ROLL 1 4 X 1 3 4 1 53 1731 PIN ROLL 1 4 X 3 4 1 54 21173 HOUSING THROTTLE CABLES 1 55 21172 CABLE THROTTLE 68 L 1 57 30230 CABLE INSTACLUTCH 1 58 1711 SHAFT CONTROL Q P 1 59 QXHC MAIN HANDLE ASSY 1 INCLUDES ITEMS W 60 21746 SPRING PRIMARY THROTTLE RETURN 1 61 1493 SCREW HHC 3 8 16 X 3 1 4 1 62 10136 WASHER 3 8 FLAT 2 63 20293 LINKAGE Q P CONTROL 1 INCLUDES ITEMS W 64 1665 S...

Page 58: ...MANUAL REV 0 9 4 15 GUARD RING AND ENGINE MOUNTING ASSY 1 2 BLUE LOCTITE 1 4 3 BLUE LOCTITE USE LOCTITE BLUE 246 W ALL SCREWS NOTES 1 2 TORQUE TO 8 FT LBS 10 8 N m 3 TORQUE TO 14 5 FT LBS 20 N m 13 4 TORQUE TO 23 FT LBS 31 N m 1 2 4 12 11 10 9 5 6 7 8 3 ...

Page 59: ...C 3 8 16 X 1 4 3 13351 WASHER FLAT 3 8 EXT THICK HIGH STRGTH 4 4 1391 SCREW HHC 5 16 24 X 1 1 2 ZINC 4 5 933241 WASHER FLAT SAE 5 16 GRD 9 YZ 4 6 21979 ACCESS PANEL 1 7 26250 SCREW HHC 1 4 20 X 1 3 4 2 8 21893 SCREW FAST LEAD 1 9 21986 WASHER FAST LEAD STAINLESS 1 10 21894 CLIP FAST LEAD 1 11 21922 CLAMP 0 625 ID PIPE 2 12 10024 NUT NYLOC 1 4 20 2 13 60097 BLUE LOCTITE 246 AR ...

Page 60: ...PAGE 60 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 STABILIZER RING ASSY 1 2 3 4 5 NOTES 1 1 TORQUE TO 17 FT LBS 23 N m ...

Page 61: ...0 9 4 15 PAGE 61 STABILIZER RING ASSY NO PART NO PART NAME QTY REMARKS 1 6014 C NUT HEX FINISH 5 16 24 8 2 1483 RING STABILIZER 1 3 1237 SCREW SHC 5 16 18 X 7 8 NYL PATCH NP 4 4 1723 ROD END 5 16 DIA X 5 16 24 MALE END RH 4 5 0300 B WASHER FLAT SAE 5 16 4 ...

Page 62: ...QUIVALENT 3 TORQUE TO 15 FT LBS 20 N m 4 GASKETS ARE NOT SOLD SEPARATELY SHIM GASKETS AS NECESSARY FOR INPUT SHAFT END PLAY 5 GASKETS ARE NOT SOLD SEPARATELY SHIM GASKETS AS NECESSARY FOR OUTPUT SHAFT END PLAY 6 USE SPECIALLY FORMULATED WHITEMAN GEARBOX LUBRICANT P N 20111 OR MOBIL SYNTHETIC OIL GEARBOX REQUIRES 26 OZ 769 ML OF GEARBOX LUBRICANT FOR OPERATION 8 BEARING KIT INCLUDES ITEMS 6 7 18 AN...

Page 63: ...SCREW HHC 1 4 28 X 3 8 2 15 21033 SIGHT GLASS 3 4 M PIPE STEEL 1 16 0121 A FITTING PLUG 3 8 MP SQ HEAD 1 17 1138 RING SNAP 1 18 20475 BEARING CUP TIMKEN M86610 2 19 20474 BEARING CONE TIMKEN M86647 2 20 1140 GEAR WORM COMPOSITE 1 21 20470 SHAFT OUTPUT 1 22 1139 KEY WOODRUFF 810 1 25 20396 O RING 1 26 12875 COVER GEARBOX 1 27 10235 WASHER C S EXT SHKP 4 28 20875 SCREW FHSC 5 16 18 X 3 4 4 29 0254 S...

Page 64: ...Y BLUE LOCTITE 32 35 USE LOCTITE BLUE 246 FOR CLUTCH AND PULLEY TO ALL SET SCREWS NOTES TORQUE TO 8 FT LBS 10 8 N m TORQUE TO 14 5 FT LBS 19 6 N m TORQUE TO 13 FT LBS 18 N m 1 1 3 1 1 2 1 1 4 1 5 2 3 4 5 TORQUE TO 26 FT LBS 35 N m 2 1 49 54 19 46 4 36 50 45 41 52 5 25 43 44 LOW SPEED KIT 55 1 ...

Page 65: ... 1 4 25 21140 PULLEY AK54 X 3 4 1 32 21984 LIFTING BALE ASSY 1 35 22623 ENGINE HONDA GX27OUT2QAP2 8 5 HP 1 36 22891 CLUTCH FRICTION DRIVE 1 0 SHAFT 1 41 23965 SCREW FHSC 7 16 20 X 1 00 1 43 30119 SCREW 1 4 20X7 8 IND HEX DOG PT 3 44 30344 BELT GUARD 1 45 30200 BRACKET 1 SHAFT 1 46 30202 ANCHOR SPRING 1 49 30236 SPACER 1 SHAFT 1 50 30240 END CAP 1 SHAFT 1 52 32448 SCREW BHC 5 16 18 x 1 2 4 54 93324...

Page 66: ...N 1215 INCLUDES ALL ITEMS WITHIN OUTLINE APPLY LOCTITE P N 1477 TO ITEMS 1 AND 14 NOTES 2 3 INCLUDED WITH ITEM 19 OR CAN BE ORDERED SEPARATELY P N 1471 TORQUE TO 23 FT LBS 31 N m TORQUE TO 17 FT LBS 23 N m 1 16 17 18 19 20 3 21 4 5 13 11 1 2 14 7 9 10 5 8 4 3 15 6 12 22 4 5 BLUE LOCTITE 23 24 25 BOLT KIT 26 ...

Page 67: ...NUT HEX FINISH 3 8 16 1 10 1875 WASHER INT SHKP 3 8 4 11 1876 NUT HEX JAM 3 8 16 CLASS 2B 4 12 2827 1 ARM TROWEL B EXTENDED SILVER 4 13 4164 ROLL PIN 5 16 X 1 3 4 4 14 12097 SCREW SQHS3 8 16X1 3 4 CONEGRD8PLTD 1 15 1490 SPIDER PLATE ASSY 1 INCLUDES ITEMS W 16 10968 THRUST COLLAR ASSY 1 INCLUDES ITEMS W 17 12208 WEAR RING 1 18 12778 FLANGE BEARING 1 19 10793 THRUST COLLAR 1 INCLUDES ITEMS W 20 1471...

Page 68: ...PAGE 68 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 BLADES AND PAN ASSY 8 1 3 3 7 5 6 2 9 17 16 18 10 13 12 11 15 14 ...

Page 69: ...ISC 1 CONTACTUNITSALESDEPT ACC ITEM 8 FLOAT BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 9 FINISH BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 10 COMBO FLOAT FINISH BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 11 ENDURO UNIVERSAL FINISH BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 12 ENDURO UNIVERSAL COMBO BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 13 REVERSIBLE COMBO BLADE 4 CONTACTUNITSALESDEPT ACC ITEM 14 UNIVERSAL MOUNTING BA...

Page 70: ...PAGE 70 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CRANKCASE ASSY ...

Page 71: ...020 GASKET 1 210 2791100221 MAIN BEARING COVER C 1 INCLUDES ITEMS W 220 0440300160 OIL SEAL 1 230 0600300370 BALL BEARING 1 250 27745004K1 GOVERNOR GEAR CP 1 260 2774190203 GOVERNOR SLEEVE 1 270 2796360113 OIL GAUGE 2 280 0213200050 GASKET 1 300 0010408350 FLANGE BOLT 7 610 2791300121 CYLINDER HEAD CP 1 INCLUDES ITEMS W 620 2791500133 GASKET HEAD 1 630 0110080240 FLANGE BOLT 4 631 0110080310 FLANG...

Page 72: ...PAGE 72 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CRANKSHAFT ASSY ...

Page 73: ...TY REMARKS 10 2792090161 CRANK SHAFT CP 1 50 0180180010 FLANGE NUT 1 70 0323030010 WOODRUFF KEY 1 80 2072600103 KEY 1 310 2792250120 CONNECTING ROD ASSY 1 INCLUDES ITEMS W 320 2792300103 CONNECTING ROD BOLT 2 350 2792330113 PISTON PIN 1 360 27923401H3 PISTON 1 370 2792351117 PISTON RING SET 1 380 0565180010 CLIP 2 ...

Page 74: ...PAGE 74 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 MUFFLER ASSY ...

Page 75: ...2773691313 CHAIN GUIDE 1 200 2773500401 PIN ROCKER CP 1 INCLUDES ITEMS W 202 0031305000 CLIP 1 220 2773620100 ROCKER ARM IN ASSY 1 INCLUDES ITEMS W 225 2773620200 ROCKER ARM EX ASSY 1 INCLUDES ITEMS W 230 0149050020 ADJUST SCREW 1 231 0149050020 ADJUST SCREW 1 240 0170050030 NUT 1 241 0170050030 NUT 1 290 0110060010 FLANGE BOLT 1 310 27930111L1 MUFFLER CP 1 315 2793760101 SPARK ARRESTER CP 1 317 0...

Page 76: ...PAGE 76 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 AIR CLEANER ASSY ...

Page 77: ... PART NAME QTY REMARKS 510 2793261570 AIR CLEANER ASSY 1 INCLUDES ITEMS W 510 210 2793272008 PACKING 1 510 220 2793265018 GASKET 1 510 250 2793264318 COVER 1 510 260 2793273008 LABEL 1 510 270 2793274008 WING NUT 2 510 520 2793260618 ELEMENT SET 1 570 0023806000 FLANGE NUT 2 580 0010406200 FLANGE BOLT 1 ...

Page 78: ...PAGE 78 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 GOVERNOR ASSY ...

Page 79: ... WASHER AY 1 70 0186060020 NUT 1 80 2794250273 GOVERNOR SPRING 1 310 2774330301 SPEED CONT LEVER CP 1 322 2774370101 LINK ROD CP 1 340 2774350203 STOP PLATE 1 350 2774450103 WASHER 1 355 0217060070 FRICTION WASHER 1 360 0043106250 SCREW PAN HEAD 1 365 2374500423 SPRING ADJUST 1 395 2774390203 CLAMP 1 396 0131050030 SCREW AND WASHER AY 1 435 2774600201 SPEED CONT BRKT CP 1 440 0043104080 SCREW 1 45...

Page 80: ...PAGE 80 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 BLOWER ASSY ...

Page 81: ...R ASSY NO PART NO PART NAME QTY REMARKS 10 2795120201 BLOWER HOUSING CP 1 20 0732005820 LABEL TRADE MARK 1 40 0110060030 FLANGE BOLT 4 60 2795271111 BAFFLE 1 CASE CP 1 61 2795270213 BAFFLE 2 HEAD 1 80 20A0111500 FLANGE BOLT 1 81 0110060020 FLANGE BOLT 1 220 0130060281 FLANGE BOLT 4 ...

Page 82: ...PAGE 82 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 RECOIL STARTER ASSY ...

Page 83: ...0 2795030120 RECOIL STARTER AY 1 INCLUDES ITEMS W 210 1 2265071608 SPIRAL SPRING 1 210 2 2775012108 REEL 1 210 3 2795011008 STARTER ROPE 1 210 4 2265070118 STARTER KNOB 1 210 5 2815032508 RACHET 2 210 6 2815033008 FRICTION SPRING 1 210 8 2265074108 FRICTION PLATE 1 210 11 2795014508 STARTER PULLEY 1 210 49 2815035108 CENTER SCREW 1 ...

Page 84: ...PAGE 84 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 FUEL TANK ASSY ...

Page 85: ...10 2796010211 FUEL TANK CP 1 20 0732005181 LABEL WARNING 1 23 2799511203 LABEL MODEL 1 30 X430440161 FUEL TANK CAP CP 1 40 X641360010 FUEL FILTER 1 48 0505120020 UNION 1 60 0023808000 FLANGE NUT 2 63 0110080250 FLANGE BOLT 2 70 2796260201 FUEL PIPE CP 1 INCLUDES ITEMS W 80 X851061580 RUBBER PIPE 1 90 0561110050 HOSE CLAMP 2 ...

Page 86: ...PAGE 86 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 CARBURETOR ASSY ...

Page 87: ...210 15 2796251508 PIN FLOAT LEVER 1 210 16 2856255008 FLOAT CHAMBER SUB ASSY 1 210 17 2516235008 GASKET 1 210 18 2796254008 GASKET CHAMBER 1 210 19 2796250508 FLOAT SUB ASSY 1 210 22 2796240108 JET MAIN 1 210 28 2856255108 DRAIN SCREW 1 210 40 2796235318 SCREW ADJUSTING 1 210 41 2836235708 SPRING 1 210 79 2856255208 GASKET 1 210 102 2796256108 BUSH 1 210 103 2796256208 COLLAR 1 210 151 2796245108 ...

Page 88: ...PAGE 88 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 IGNITION COIL ASSY ...

Page 89: ...PART NO PART NAME QTY REMARKS 10 2797923101 FLYWHEEL CP 1 11 2797943001 IGNITION COIL CP 1 30 0010406200 BOLT AND WASHER AY 2 50 27773101H1 WIRE 1 CP 1 100 0650140150 SPARK PLUG 1 110 0655000270 SPARK PLUG CAP 1 705 KU31107101 FLOAT C U CP3 1 741 0110060010 FLANGE BOLT 1 780 0569000020 PURSE LOCK 1 ...

Page 90: ...PAGE 90 BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 EX27 OIL SENSOR ASSY ...

Page 91: ...ARTS MANUAL REV 0 9 4 15 PAGE 91 EX27 OIL SENSOR ASSY NO PART NO PART NAME QTY REMARKS 700 2797630151 OIL SENSOR CP 1 740 0010406140 BOLT AND WASHER AY 2 770 2797550123 WIRE CLAMP 1 775 0152060050 TAPPING BOLT 1 780 0569000020 PURSE LOCK 1 ...

Page 92: ... 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 ca...

Page 93: ...BS90CWALK BEHINDTROWEL OPERATION AND PARTS MANUAL REV 0 9 4 15 PAGE 93 NOTES ...

Page 94: ...ce 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 UNITED STATES Multiquip Corporate Office MQ Parts Department 18910 Wilmington Ave Carson CA 90746 Contact mq multiquip com Tel 800 421 1244 Fax 310 537 3927 800 ...

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