background image

WALK-BEHIND TROWEL INSTRUCTION MANUAL

 

BARTELL MORRISON INC.

  

375 ANNAGEM BLVD, MISSISSAUGA, ONTARIO, CANADA, L5T 3A7, 905-458-5455 FAX 905-458-5484 

Created: 07/04 

Revised: 08/09 

 

- 30 - 

CUSTOMER PARTS LIST 

 
 

Assembly # 

20520 (B430 / B436 / B440), 20562 (B446) 

 

Handle Assembly

 

 

 

 

Item #  (B430 / B436 

/ B440) 

(B446) 

Description 

Qty 

Eff. Date 

10 

20517 

20564 

Handle Bracket Standard 

1/1/1997 

20 

10518 

10505 

Handle Clamp 

1/1/1997 

30 

20519 

20563 

Handle Tube 

1/1/1997 

40 

10516 

10503 

Support Block 

1/1/1997 

50 

10515 

10515 

Pulley 

1/1/1997 

60 

10514 

10514 

Dowel Pin 

1/1/1997 

70 

10538 

10506 

HHCS 3/8-16 x 2-1/4”LG (2-1/2”LG) 

1/1/1997 

80 

10507 

10507 

HHCS 3/8-16 x 1"LG 

1/1/1997 

90 

10317 

10317 

Nylock Nut 3/8-16 

1/1/1997 

100 

20302 

20301 

Hand Knob Assembly 

1/1/1997 

110 

10314 

10314 

Slide Bushing 

1/1/1997 

120 

20321 

20322 

Cable 

1/1/1997 

125 

10901 

10901 

Hex Nut 3/8-16 

1/1/1997 

130 

10309 

10309 

Pin 3/16”Dia x 1-1/2”LG 

1/1/1997 

140 

10522 

10510 

SHCS 1/4-20 x 1/4"LG (3/8”LG) 

1/1/1997 

150 

10511 

10511 

RHMS 1/4-20 x 3/8"LG 

1/1/1997 

170 

10508 

10508 

Throttle Assembly, Cable c/w Lever 

1/1/1997 

180 

10703 

10703 

Lock Washer, #10 Dia, Internal 

1/1/1997 

190 

10513 

10513 

RHMS #10-24 x 1/4"LG 

1/1/1997 

200 

20713 

20713 

Safety Switch Assembly 

2/26/2002 

210 

20702 

20703 

Wire Assembly 

1/1/1997 

230 

10509 

10509 

Handle Grip 

1/1/1997 

240 

10711 

10711 

HHCS M5-0.8 x 12MM LG 

04/02/2008 

 

Содержание B430

Страница 1: ...B09001 PB B09001 INSTRUCTION MANUAL PARTS BOOK WALK BEHIND POWER TROWEL MODELS B430 B436 B436E B440 B446 Use this guide along with the parts lists attached to locate and identify components of your trowel When ordering replacement parts be sure to provide the model number and serial number from the trowel POWERFUL EFFICIENT DEPENDABLE ...

Страница 2: ...r come into contact 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 ATTE...

Страница 3: ...ROWEL 14 STARTING THE ELECTRIC POWER TROWEL 14 ELECTRIC POWER TROWEL WIRING DIAGRAM 16 TROWEL ARM ADJUSTMENT FIXTURE 17 1 ADJUSTMENT PROCEDURE 17 ASSEMBLY DRAWINGS AND PARTS LIST 18 1 WALK BEHIND POWER TROWEL ASSEMBLY FIGURE 1 19 WALK BEHIND POWER TROWEL PARTS LIST 20 2 BASE UNIT ASSEMBLY FIGURE 2 21 BASE UNIT PARTS LIST 22 3 SPIDER PLATE ASSEMBLY FIGURE 3 23 BASE UNIT PARTS LIST 24 4 PRESSURE PLA...

Страница 4: ... Trowel will perform at top levels by observing a simple routing on first use Consider that your new Power Trowel is like a new car 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 contr...

Страница 5: ...hat the equipment to be considered for warranty be returned at the owner s expense to an authorized 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 Bartell...

Страница 6: ...machine and has the desire to help you get the most value from it After reading through this manual thoroughly you will find that 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 se...

Страница 7: ... o o o Warning stickers Check o o o o o Test run Check operation o o o o o Controls Dead man switch operation Check o o o o o o 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 y...

Страница 8: ...nd above the checks in the service schedule above that can be performed After each use your Walk Behind Power Trowel should be cleaned 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...

Страница 9: ... slack is removed from point B as indicated If more than 2 or 3 threads show through then nut should be turned back Guide screw Fig 3 B should be moved to next lower hole in slide bushing and cable re adjusted as above Turn hand knob completely clockwise and check for clearance between yoke and gearbox at point C Fig 4 There should be enough space to pass a business card through 4 STATIONARY RING ...

Страница 10: ...BEHIND TROWEL INSTRUCTION MANUAL BARTELL MORRISON INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 10 DIAGRAM 1 Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 ...

Страница 11: ...as would be used by a cement finisher when troweling by hand STARTING PROCEDURE WARM CLIMATE Open fuel valve on gas tank Set throttle lever to Fast idle position set choke to closed position start engine Open choke slightly to prevent flooding Move to Open or Run position when engine is warm increase throttle to maximum operation position 3600 rpm STARTING PROCEDURE COLD CLIMATE Follow same proced...

Страница 12: ...mponents AIR CLEANER Keep air filter clean at all times Wash away dust and debris using a non oil based cleaning solvent Let the filter 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 carbon...

Страница 13: ... and personnel on the job site from potential harm from a damaged power supply cord The following safety precautions should always be observed when operating Bartell Electric Power Trowels in addition to the stated precautions for regular power trowels The operator is responsible for the protection of the electrical power supply cord Do not let the cord come into contact with the trowel blades und...

Страница 14: ...BMi representative before operating Do not attempt to disable the electric safety switch on the right handle of the trowel Do not pull the trowel by the safety switch housing Always unplug the trowel for storage or transportation SETTING UP THE ELECTRIC POWER TROWEL STARTING THE ELECTRIC POWER TROWEL The Bartell Electric Power Trowel ships without the handle attached When installing the handle ens...

Страница 15: ... fully depressed and it will immediately stop if the safety handle is released Squeeze the safety handle with your right hand until it is fully depressed and hold this for the duration of operation 4 Brace your hip against the shield pad on the handle for better control Bartell Electric Power Trowels operate at a constant speed which is achieved immediately after startup so there will be some kick...

Страница 16: ... 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 16 ELECTRIC POWER TROWEL WIRING DIAGRAM M1 CONTROL FUSE 3 AMP T1 T3 14NO A2 A1 L1 L1 L3 13NO X4 X2 H2 H4 LAMP 230V 24V TRANSFORMER DISCONNECT OVERLOAD CONTACTOR TROWEL MOTOR 3HP 230V LINE IN 230V L2 CONTROL RECEPTICLE PIN2 PIN1 PIN3 G W BLK W BLK BR BL ...

Страница 17: ... MACHINED IN ARM 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 5a Adjustment bar 9 is stamped for appropriate size of machine Swing appropriat...

Страница 18: ...N MANUAL BARTELL MORRISON INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 18 A AS SS SE EM MB BL LY Y D DR RA AW WI IN NG GS S A AN ND D P PA AR RT TS S L LI IS ST T ...

Страница 19: ...Refer to the attached parts lists for complete list of parts applicable to your trowel Item Description Item Description Item Description Item Description 10 Base Unit 70 Lock Washer 120 V Belt 180 Hex Locknut 15 Stab Ring 80 Hex Nut 130 Belt Guard 190 Stud Belt Guard 16 Shoulder Bolt 90 Clutch Drive Sheave 140 Lock Washer 240 Hoist Hook opt 30 Handle Assy 95 Clutch Spacer 150 Hex Nut 250 Flat Hea...

Страница 20: ... 8 2004 95 11254 11254 5 5HP N A 9HP N A N A Clutch Spacer 1 6 8 2004 96 30042 30042 5 5HP N A 9HP N A N A Clutch Retainer 1 8 16 2007 97 11256 11256 5 5HP N A 9HP N A N A Flat Head Screw 1 8 16 2007 100 14270 14270 5 5HP 14285 9HP 14285 14285 Sheave Drive 1 8 16 2007 110 10208 10208 10208 10208 Key Sheave 1 6 8 2004 120 11030 11030 5 5HP 11047 9HP 11047 11178 V Belt 1 8 16 2007 130 21066 21066 5 ...

Страница 21: ...d 08 09 21 BASE UNIT ASSEMBLY Figure 2 Base Unit Item Description Item Description Item Description 10 Spider Plate Assy 70 Yoke arm 130 Mounting Rail RH 20 Pressure Plate Assy 80 Pin 135 Mounting Rail LH 30 Key 90 Retaining Ring 140 Engine Plate 40 Gearbox Assy 100 Stud 150 Soc Hd Capscrew 50 Retainer 110 Lock Washer 160 Cap Plug 60 Soc Hd Capscrew 120 Hex Nut ...

Страница 22: ...e 5 P 21 1 4 7 1998 50 10814 10814 10814 10804 Spider Plate Retainer 1 1 1 1997 60 10812 10812 10812 10802 Socket Head Screw Retainer 1 1 1 1997 70 10312 10312 10312 10311 Yoke Arm 1 3 1 2004 80 10923 10923 10923 10914 Yoke Pin 1 1 1 1997 90 10922 10922 10922 10913 Retaining Ring E Type 2 1 1 1997 100 10910 10910 10910 10910 Stud 3 8 16 x 1 3 4 LG 4 1 1 1997 110 10902 10902 10902 10902 Lock Washer...

Страница 23: ...ASSEMBLY Figure 3 Greased Spider Plate Assembly Item Description Item Description 10 Spider Plate 70 Lift Lever 20 Grease Fitting 80 Jam Nut 30 Cap 90 Carriage Bolt 40 Trowel Arm 100 Square Head Setscrew 50 Dog Screw 110 Adjuster Bolt 60 Lock Washer Figure 4 Pressure Plate Assembly Item Description 10 Pressure Plate 20 Thrust Bearing 30 Pressure Plate Cap 40 110 100 80 70 90 80 50 20 30 10 60 ...

Страница 24: ...1997 40 10417 10411 10411L 10405 Trowel Arm 4 9 5 2000 50 10806 10806 10806 10806 HHCS 3 8 16 x 7 8 LG 4 1 1 1997 60 10805 10805 10805 10805 Lock Washer 3 8 Dia 4 1 1 1997 70 10817 10817 10817 10819 Lift Lever 4 9 12 2000 80 10808 10808 10808 10808 Jam Nut 3 8 16 8 1 1 1997 90 10807 10807 10807 10807 Carriage Bolt 3 8 16 x 1 1 4 LG 4 1 1 1997 100 10809 10809 10809 10809 SHSS 3 8 16 x 1 LG CUP PT 4...

Страница 25: ... 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 25 CLUTCH ASSEMBLY 10 20 30 40 50 60 70 80 Figure 5 Clutch Assembly Note 21006 small clutch shown Item Description Item Description Item Description Item Description 10 Spindle 30 Drum w Bushing 50 Weight Shoe 70 Face Plate 20 Bearing 40 Bushing 60 Spring 80 Set Screw ...

Страница 26: ...0 446 Description Qty Eff Date 10 11021 11021 5 5HP 11045 9HP 11045 Spindle 1 08 21 2007 20 11020 11020 5 5HP 11044 9HP 11044 Bearing 1 08 21 2007 30 21022 21022 5 5HP 21046 9HP 21046 Drum w Bushing 1 08 21 2007 40 11023 11023 5 5HP 11012 9HP 11012 Bushing 1 08 21 2007 50 11025 11025 5 5HP 11014 9HP 11014 Weight Shoe 4 08 21 2007 60 11024 11024 5 5HP 11013 9HP 11013 Spring 1 08 21 2007 70 11026 11...

Страница 27: ...Figure 6 Gearbox Assembly Note B436 small gearbox shown Item Description Item Description Item Description Item Description 10 Gear Housing 80 Ball Bearing 150 End Cap 220 O Ring 20 Cover 90 Pressure Washer 160 O Ring 230 Relief Valve 30 Flat Hd Screw 100 Flat Hd Screw 170 Soc Hd Screw 240 Pipe Plug 40 Main Shaft 110 Oil Seal 180 Flange 250 Lock Washer 50 Worm Gear 120 Worm shaft 190 Bearing Cup 6...

Страница 28: ...13 Pressure Washer 2 1 1 1997 100 10601 10601 FHSCS 3 8 16 x 1 LG 8 1 1 1997 110 10621 10610 Oil Seal 1 1 16 ID x 1 5 8 OD x 5 16 THK EPDM 1 3 8 ID x 2 129 OD x 0 437 THK EPDM 1 1 1 1997 120 10279 10280 Wormshaft RH 1 1 1 1997 130 10220 10229 Bearing Cone 4T 6075 4T LM11949V1 BW 1 9 16 2003 140 10224 10203 Ball Bearing 6203 6303C3T 1 9 16 2003 150 10226 10215 End Cap 1 9 16 2003 160 10227 10228 O ...

Страница 29: ...ription Item Description Item Description Item Description 10 Handle Bracket 70 Flat Hd Screw 125 Hex Nut 190 Round Hd Screw 20 Handle Clamp 80 Hex Hd Screw 130 Pin 200 Deadman Switch 30 Rigid Handle 90 Locknut 140 Soc Hd Screw 210 Deadman Wire 40 Support Block 100 Hand Knob Assy 150 Round Hd Screw 230 Handle Grips 50 Pulley 110 Slide Bushing 170 Throttle Assy 240 Hex Hd Screw 60 Pin 120 Pitch Adj...

Страница 30: ...LG 2 1 2 LG 1 1 1 1997 80 10507 10507 HHCS 3 8 16 x 1 LG 4 1 1 1997 90 10317 10317 Nylock Nut 3 8 16 6 1 1 1997 100 20302 20301 Hand Knob Assembly 1 1 1 1997 110 10314 10314 Slide Bushing 1 1 1 1997 120 20321 20322 Cable 1 1 1 1997 125 10901 10901 Hex Nut 3 8 16 1 1 1 1997 130 10309 10309 Pin 3 16 Dia x 1 1 2 LG 1 1 1 1997 140 10522 10510 SHCS 1 4 20 x 1 4 LG 3 8 LG 1 1 1 1997 150 10511 10511 RHMS...

Страница 31: ...8 Rigid Handle Assembly Optional Instapitch Note Not all items shown above may be included with your trowel refer to attached parts list Small Rigid Handle Shown B436 Item Description Item Description Item Description Item Description 10 Handle Bracket 80 Hex Bolt 140 Socket Bolt 210 Deadman Wire 20 Handle Clamp 90 Locknut 150 Round Hd Screw 220 On Off Switch 30 Rigid Handle 100 Hand Lever Assy 16...

Страница 32: ... 10317 10317 Nylock Nut 3 8 16 5 1 1 1997 100 14250 14250 Instapitch Adjust Lever 1 1 1 1997 110 15321 15321 Latch Disc Instapitch 1 3 3 2009 120 11539 20323 Pitch Adjust Cable 1 1 1 1997 125 10901 10901 Hex Nut 3 8 16 1 1 1 1997 130 10309 10309 Pin 3 16 Dia x 1 1 2 1 1 1 1997 140 10522 10522 SHCS 1 4 20 x 1 4 LG Plain 1 1 1 1997 150 10511 10511 RHMS 1 4 20 x 3 8 LG Slotted 1 1 1 1997 160 10508 10...

Страница 33: ...n Safety Specification Note Not all items shown above may be included with your trowel refer to attached parts list Item Description Item Description Item Description Item Description 10 Handle Bracket 70 Flat Hd Screw 120 Pitch Adj Cable 200 Deadman Switch 20 Handle Clamp 80 Hex Bolt 125 Hex Nut 210 Deadman Wire 1 30 Rigid Handle 90 Locknut 130 Spring Pin 215 Deadman Wire 2 40 Support Block 100 H...

Страница 34: ...0mm 1 08 20 2007 80 13348 13348 Hex Hd Cap Screw M10 1 5 x 25mm 4 08 20 2007 90 11802 11802 Nylock Nut M10 1 5 5 08 20 2007 100 20301 20301 Hand Knob Assembly w Bearings 1 08 20 2007 105 14302 14302 Handle Shield Pad 1 08 20 2007 110 10308 10308 Slide Bushing 1 08 20 2007 120 20323 20305 Cable Assy Pitch Control 1 08 20 2007 125 10317 10317 Nylock Nut 3 8 16UNC 1 08 20 2007 130 10309 10309 Spring ...

Страница 35: ...N INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 35 30 20 40 10 BLADE KIT ASSEMBLY Figure 10 Finishing Blade Kit Item Description 10 Finishing Blade 20 Hex Bolt 30 Hex Bolt 40 Lock Washer ...

Страница 36: ... 10 20410 Trowel Blade Imperial Finish 6 x 18 4 08 20 2007 20 10401 Hex Hd Cap Screw 5 16 18UNC x 1 1 2 8 08 20 2007 30 10403 Hex Hd Cap Screw 5 16 18UNC x 2 4 08 20 2007 40 10402 Lock Washer 5 16 12 08 20 2007 B430 FINISH BLADES METRIC Item Part Description Qty Eff Date 10 20458 Trowel Blade Metric Finish 6 x 10 4 08 20 2007 20 10452 Hex Hd Cap Screw M8 1 25 x 40mm 4 08 20 2007 30 10453 Hex Hd Ca...

Страница 37: ...WALK BEHIND TROWEL INSTRUCTION MANUAL BARTELL MORRISON INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 37 ...

Страница 38: ...BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 38 B436E ELECTRIC WALK BEHIND ASSEMBLY 170 10 150 140 175 180 30 45 100 165 175 120 145 110 50 160 155 130 70 80 55 40 67 90 52 57 65 Figure 11 Complete Electric Trowel B436E ...

Страница 39: ...WALK BEHIND TROWEL INSTRUCTION MANUAL BARTELL MORRISON INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 39 ...

Страница 40: ...1 4 4 04 30 2008 65 50636 Strain Relief Power Cable Motor 1 11 15 2007 67 50637 Lock Nut Strain Relief Power Cable 1 11 15 2007 70 11614 Lock Washer M8 4 11 15 2007 80 11615 Hex Nut M8 1 25 4 11 15 2007 90 14517 Sheave Motor 1 11 15 2007 100 14285 Sheave Gearbox 1 11 15 2007 110 13597 Key 3 16 Square 1 11 15 2007 120 11300 V Belt 4L250 1 04 30 2008 130 21064 Belt Guard Assembly Electric 1 11 15 20...

Страница 41: ...LVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 41 ELECTRIC HANDLE ASSEMBLY B436E 175 120 210 110 60 50 40 20 90 80 90 70 10 90 115 112 30 235 195 130 190 240 170 185 180 230 105 100 Figure 12 Electric Trowel Handle Assembly ...

Страница 42: ... 2007 100 20302 Hand Knob Assembly 1 11 15 2007 105 14302 Shield Pad Handle 1 11 15 2007 110 10314 Threaded Slide Bushing 1 11 15 2007 112 10521 Lock Washer 1 4 1 11 15 2007 115 10511 RHMS 1 4 20UNC X 1 4 LG Slotted 1 11 15 2007 120 20323 Pitch Control Cable Assembly 1 11 15 2007 130 10315 Spring Pin 1 11 15 2007 170 50097 Switch Assembly On Off Push Button 1 11 15 2007 175 10522 SHCS 1 4 20UNC X ...

Страница 43: ...ast Belt too tight Clutch seized Pulley out of alignment TROWELS BLADES WEARING UNEVENLY Spider plate seized Arms bent Adjusting 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 Ma...

Страница 44: ...cm 8 x 14 20 x 36 cm NA Up to 165 lb 75 kg B446 46 120 cm 9 hp Honda OHV 9 hp Robin OHV 11 hp Honda OHV 11 hp Robin OHV 10 x 18 25 x 46 cm 6 x 18 15 x 46 cm 8 x 18 20 x 46 cm 48 123 cm Up to 245 lb 110 kg Walk Behind Trowel GASOLINE Blade Speed RPM Engine Speed RPM 130 160 3600 Clutch Type Variable Speed Centrifugal Yes Gearbox Oil Gearbox Oil Capacity Engine Fuel Engine Oil Alert Cooling Starting...

Страница 45: ...mative EN 349 1993 Safety of Machinery Minimum gaps to avoid crushing 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...

Страница 46: ...nico de construcción se mantiene en O arquivo técnico de construção é mantido no a L originale dossier tecnico di construzione è conservato presso Bartell Morrison Inc 375 Annagem Blvd Mississauga Ontario Canada L5T 3A7 Telephone 905 458 5455 Facsimile 905 458 5484 The authorized representative is Le représentant autorisé est Gemachtigd vertegenwoordiger is La representación autorizada es O repres...

Страница 47: ...WALK BEHIND TROWEL INSTRUCTION MANUAL BARTELL MORRISON INC 375 ANNAGEM BLVD MISSISSAUGA ONTARIO CANADA L5T 3A7 905 458 5455 FAX 905 458 5484 Created 07 04 Revised 08 09 47 NOTES ...

Отзывы: