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WALK BEHIND POWER TROWEL INSTRUCTION MANUAL 

 

The trowel arm adjustment fixture (20801) is reversible. 

By  rotating  the  arm  clamping  fixture  and  the  ring  bolt, 

both  left  hand  and  right  hand  trowel  arms  may  be 

adjusted.  Before  attempting  adjustment,  determine 

whether  the  trowel  arm  is  right  handed  or  left  handed. 

When adjusting left hand trowel arms use the side of the 

fixture  marked  “L”.  When  adjusting  right  hand  trowels 

arms use the opposite side. The adjustment bar will be 

set on “36” for the Walk-behind trowel arm. 

 

ADJUSTMENT PROCEDURE 

1.  Remove  all  trowel  arm  assemblies  (1  &  2  arm  and 

attached lift lever) from suspected maladjusted spider 

plate. 

2.  Remove  lift  lever  (2)  from  trowel  arm  (1)  by  first 

loosening jam nut (3) then square head screw (4). If 

upon  inspection  (method  left  to  discretion  of 

serviceman)  any  trowel  arm  (1)  is  found  to  be  in  a 

bent  condition,  it  must  either  be  brought  back  to  its 

original  straight  condition  (method  left  to  the 

serviceman’s discretion) or replaced with new part. 

3.  Replace  lift  levers  (2)  on  new  or  straightened  arms 

(1) by reversing procedure as described above.

4.  Place  trowel  arm  assembly  (1  and  2)  in  fixture  (5) 

with lift lever (2) butting up against fixture. Clamp in 

place with bolts (6). 

5.  Loosen locknut (7) and screw carriage bolt (8) down 

to  full  depth  allowable.  This  will  provide  for  ample 

clearance  to  swing  precision  ground  adjustment  bar 

(9) over head of carriage bolt.  

 

 

Adjustment bar (9) is stamped for appropriate size of 

machine. Swing appropriate side directly over carriage 

bolt (8) and secure in place with bolt (10). 

6.  Adjust carriage bolt (8) upwards until contact is made 

with  adjustment  bar  (9);  holding  carriage  bolt  in 

position with one wrench, tighten locknut (7) to secure 

in position with second wrench. 

7.  This same procedure is to be followed with ALL arms 

from  spider  plate  assembly,  and  will  ensure  correct 

and exact adjustment. 

 

TROWEL ARM ADJUSTMENT SCREW 

The trowel arm  adjustment  screw is  to be used for field 

adjustment  of  blade  level,  in  the  event  of  a  damaged 

trowel arm, to enable completion of the job. At the end of 

the job repairs should be made to eliminate the damage. 

When  assembling  trowel  blades  to  trowel  arms,  the 

adjustment  screw  should  NEVER  protrude  below  the 

under-side surface of a trowel arm. 

If the adjustment screw is not flush with the underside of 

the  trowel  arm,  then  this  will  cause  the  power  trowel  to 

bounce  and  vibrate  especially  at  high  speed.  This  will 

also cause the trowel blades to leave an uneven finish to 

the  concrete  due  to  the  blades  not  being  level  to  one 

another. 

Make  certain  that  the  adjusting  screw  is  held  firmly  in 

place while tightening the bolt which secures the blade to 

the trowel arm. 

      

17

375 ANNAGEM BLVD., MISSISSAUGA, ONTARIO, CANADA L5T 3A7, 905-364-4200 FAX 905-364-4201 

CREATED: 07/04 

REVISED: 05/10 

TROWEL ARM ADJUSTMENT FIXTURE 

 

 

 

 

PART #20801

 

Ex: Unit 36” (B436) 

1)

10810A – Trowel arm 

2)

10817A – Lift lever 

3)

10808 – Jam nut 

4)

10809 – Set screw 

5)

10824 – Block top 

6)

10507 – Bolt 

7)

10808 – Jam nut 

8)

10807 – Carriage bolt 

9)

10832 – Adjustment bar

10) 

10507 – Bolt 

 

Figure  5a. 

 

NOTE:  IT  IS  IMPORTANT  THAT  WHEN  TIGHT -

ENING SQUARE HEAD NUT (4), IT SEATS ITSELF 

SECURELY INTO DIMPLE MACHINED IN ARM.  

NOTE:  IT  IS  VITALLY  IMPO RTANT  TO  ENSURE 

THAT ONCE THE CARRIAGE BOLT IS ADJUSTED 

TO THE CORRECT HEIGHT, IT DOES NOT MOVE 

BEFORE,  OR  DURING  THE  TIGHTENING  OF

 

LOCKNUT.  

CREATED: 06/12

18

Part Number Description

Qty. Part Number Description

Qty.

21805

Mounting Plate

1

11667

Flat Washer

8

11615

Nut

8

10104

Spacer

4

11614

Lock Washer

8

10452

Bolt

4

MOUNTING PLATE ASSEMBLY (BM90/BM436)

GEARBOX ASSEMBLY (BM90/BM436)

Part Number Description

Qty. Part Number Description

Qty.

21779

21786

Bearing

1

21780

21787

Bearing

1

21734

Pressure Washer

1

21788

Oil Seal

1

21735

Flat Head Screw, Main Shaft

1

21789

Key

1

21781

Bronze Gear

1

21790

Key

1

21782

Main Shaft

1

21747

Plug

2

21783

Left Bearing Flange

1

21748

Key

1

21784

Counter Shaft

1

21749

Oil Seal

1

21785

Right Bearing Flange

1

21791

Oil Seal

1

21736

Pressure Release Valve

1

21792

Bearing

1

21742

Screw

16

21764

Jam Nut

1

21743

Bolt

4

21793

Stud

1

11622

Nut

5

21794

Bearing

1

11621

Lock Washer

5

21750

Glass Eye

1

41516

Washer

5

Part Number Description

Qty. Part Number Description

Qty.

14270

Pulley (GX160)

1

14285

Pulley (GX270)

1

13714

Belt (GX160)

1

14285

Belt (GX270)

1

21795

Belt Guard Assembly

1

CLUTCH ASSEMBLY - GX270 (BM90/BM436)

Part Number Description

Qty.

11021

Spindle

1

21022

Drum

1

11026

Face Plate

1

11025

Weight

1

11020

Bearing

1

10206

Key

1

11024

Spring

1

11256

Lock Washer

2

Summary of Contents for BM436

Page 1: ...WALK BEHIND POWER TROWELS BM90 BM436 Doc OI B09035 Orig Rel 06 2010 Curr Rev 01 Rev Date 08 2012 ...

Page 2: ... 2010 Bartell Morrison Inc No part of this work may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording or by any information storage or retrieval system without the prior written permission of Bartell Morrison Inc unless such copying is permitted by federal copyright laws Address inquiries or reference permissions care of Bartell ...

Page 3: ...tact with the engine or muffler when engine is operating or shortly after it is turned off Serious burns may occur CAUTION ROTATING HAZARD Never place hands or feet inside safety guard rings Serious injury will result from contact with rotating blades CAUTION MOVING PARTS Before starting the machine ensure that all guards and safety devices are in place and functioning properly ATTENTION READ OWNE...

Page 4: ...JUSTMENT PROCEDURE 17 TROUBLESHOOTING 18 SPECIFICATIONS 19 COMPANY INFORMATION 20 NOTES 22 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 364 4200 FAX 905 364 4201 CREATED 07 04 REVISED 05 10 QUALITY ASSURRANCE MACHINE BREAK IN WALK BEHIND POWER TROWEL WARRANTY MAINTENANCE RECORD ROUTINE SERVICE INTERVALS SAFETY PRECAUTIONS ASSEMBLY INSTRUCTIONS 1 TROWELS 2 STABILIZER RING 3 HANDLE ASSEMB...

Page 5: ... Just as you would break in a new car to the road or any new machine to the job you should start gradually and build up to full use Learn what your machine can do and how it will respond Refer to the engine manufacturer s manual for run in times Full throttle and control may be used after this time period as allowed by material This will serve to further break in the machine on your specific appli...

Page 6: ...ized repair facility for inspection Under this warranty we may at our discretion repair or replace a part or the whole of the defective component or equipment Our Warranty coverage is limited to the cost to repair or replace the defective portion of the equipment and a reasonable as determined by the Company amount of labour to conduct the repair or replacement Under no circumstances shall the Com...

Page 7: ...t you can do some of the regular maintenance yourself However when in need of parts or major service be sure to see your Bartell dealer For your convenience we have provided this space to record relevant data about your Walk Behind Power Trowel When in need of parts or service be prepared to provide your Trowel serial number Locate the serial number now and record in the space below Date Purchased...

Page 8: ...Check o o o o o o Pitch control Lubricate o o o o o Engine Check Level o o o o o o Engine oil Change o o o Engine oil filter Replace o o Oil cooler Clean o o o o Cooling Fins Clean o o o o o Check clean o o o o o o Air cleaner Replace o Check o Air Intake Line Replace 2 yrs Check tightness o o Drive Belt Replace 500 hrs Valve clearance Check adjust o o Check Clean o o o o Fuel filter Replace o o F...

Page 9: ...ned to remove any dust and debris from the undercarriage and surrounding components Use of a power washer will make clean up quick and easy especially if a non stick coating was applied prior to use In the Service Schedule above items that should be checked replaced or adjusted are indicated by o in the appropriate column Not all Walk Behind Power Trowel models include the same features and option...

Page 10: ... business card through 4 STATIONARY RING Install stationary ring as shown in Fig 5 with the side bar on engine recoil side May not be exactly as shown Install rubber bushings A on top and bottom of mounting plate Install metal caps B Place ring on top and run screw C through caps and rubbers Tighten lock nut D securely on bottom It is best to start nuts on all 4 corners before tightening 5 ENGINE ...

Page 11: ...DIAGRAM 1 Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 WALK BEHIND TROWEL INSTRUCTION MANUAL 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 364 4200 FAX 905 364 4201 CREATED 07 04 REVISED 05 10 CREATED 06 12 10 ...

Page 12: ...AGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 364 4200 FAX 905 364 4201 CREATED 07 04 REVISED 05 10 OPERATION Floating When the slab has set sufficiently firm that the operator s footprint leaves a very slight depression on the surface of the slab it is ready for the floating operation Under normal operating conditions the machine should cover as much as 1000 sq ft in about 15 minutes It is rec...

Page 13: ...ter dry before re installing LUBRICATION Check engine oil regularly Use proper engine oil as recommended See previous chart Fill crankcase to levels as recommended in manufacture s engine manual SPARK PLUG Check and clean spark plugs regularly A fouled dirty or carboned spark plug causes hard starting and poor engine performance Set spark plug gap to recommended clearance Refer to engine manual BE...

Page 14: ...act is made with adjustment bar 9 holding carriage bolt in position with one wrench tighten locknut 7 to secure in position with second wrench 7 This same procedure is to be followed with ALL arms from spider plate assembly and will ensure correct and exact adjustment TROWEL ARM ADJUSTMENT SCREW The trowel arm adjustment screw is to be used for field adjustment of blade level in the event of a dam...

Page 15: ...act is made with adjustment bar 9 holding carriage bolt in position with one wrench tighten locknut 7 to secure in position with second wrench 7 This same procedure is to be followed with ALL arms from spider plate assembly and will ensure correct and exact adjustment TROWEL ARM ADJUSTMENT SCREW The trowel arm adjustment screw is to be used for field adjustment of blade level in the event of a dam...

Page 16: ...ged trowel arm to enable completion of the job At the end of the job repairs should be made to eliminate the damage When assembling trowel blades to trowel arms the adjustment screw should NEVER protrude below the under side surface of a trowel arm If the adjustment screw is not flush with the underside of the trowel arm then this will cause the power trowel to bounce and vibrate especially at hig...

Page 17: ...act is made with adjustment bar 9 holding carriage bolt in position with one wrench tighten locknut 7 to secure in position with second wrench 7 This same procedure is to be followed with ALL arms from spider plate assembly and will ensure correct and exact adjustment TROWEL ARM ADJUSTMENT SCREW The trowel arm adjustment screw is to be used for field adjustment of blade level in the event of a dam...

Page 18: ...ct is made with adjustment bar 9 holding carriage bolt in position with one wrench tighten locknut 7 to secure in position with second wrench 7 This same procedure is to be followed with ALL arms from spider plate assembly and will ensure correct and exact adjustment TROWEL ARM ADJUSTMENT SCREW The trowel arm adjustment screw is to be used for field adjustment of blade level in the event of a dama...

Page 19: ...s to trowel arms the adjustment screw should NEVER protrude below the under side surface of a trowel arm If the adjustment screw is not flush with the underside of the trowel arm then this will cause the power trowel to bounce and vibrate especially at high speed This will also cause the trowel blades to leave an uneven finish to the concrete due to the blades not being level to one another Make c...

Page 20: ... spider plate assembly and will ensure correct and exact adjustment TROWEL ARM ADJUSTMENT SCREW The trowel arm adjustment screw is to be used for field adjustment of blade level in the event of a damaged trowel arm to enable completion of the job At the end of the job repairs should be made to eliminate the damage When assembling trowel blades to trowel arms the adjustment screw should NEVER protr...

Page 21: ...screws carriage bolts incorrectly set MACHINE JUMPS ON FLOOR Concrete hardened on bottom of spider plate Trowels unevenly worn Spider plate seized Spider plate loose Trowel arms bent Adjusting screws carriage bolts incorrectly set use spider plate adjustment jig pg 13 Mainshaft bent PITCH CONTROLS WILL NOT OPERATE BLADES Cable broken or out of adjustment Slot screw missing under side of handle Spi...

Page 22: ...EATED 07 04 REVISED 05 10 Model Path Power Source gas option Float Blade Size Finish Trowel Size Combination Blade Size Float Plan Operating Weight BM90 BM436 36 90 cm Honda GX160 OHV Honda GX270 OHV 10 x 14 25 x 26 cm 6 x 14 15 x 36 cm 8 x 14 20 x 36 cm 38 5 20 x 26 cm Up to 195 lb 88 Kg B436 36 90 cm 5 5 hp Honda OHV 9 hp Honda OHV 10 x 14 25 x 36 cm 6 x 14 15 x 36 cm 8 x 14 20 x 36 cm 38 98 cm ...

Page 23: ...shing of parts of the human body EN 418 1993 Safety of Machinery Emergency stop equipment functional aspects Principles for design EN 12100 1 2003 Safety of Machinery Basic Concepts general principles for design Part 1 Basic Terminology methodology EN 12100 2 2003 Safety of Machinery Basic Concepts general principles for design Part 2 Technical Principles EN ISO 4872 1978 Acoustics Measurement of ...

Page 24: ...eprésentant autorisé est Gemachtigd vertegenwoordiger is La representación autorizada es O representante autorizado é Il rappresentate autorizzato Signature of Authorized Person Signature de la personne autorisée Handtekening van gemachtigd persoon Firma de la persona autorizada Assinatura de pessoa autorizada Firma della persona autorizzata Typed name of Authorized Person Nom dactlyographié de la...

Page 25: ...24 WALK BEHIND POWER TROWEL INSTRUCTION MANUAL 25 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 364 4200 FAX 905 364 4201 CREATED 07 04 REVISED 05 10 CREATED 06 12 ...

Page 26: ...da L5T3A7 Toll Free 866 501 1683 Local 905 364 4200 Fax 905 364 4202 www bartellmorrison com BARTELL MORRISON USA LLC 12 Industrial Drive Keyport New Jersey USA 07735 Toll Free 888 999 1570 Local 732 566 5400 Fax 732 566 5444 www bmiamerica com BARTELL MORRISON 25 ...

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