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/ BM Owner’s Manual Ver.01-2008 Page 12

MACHINE DESCRIPTIONS

BM4 24

1.

Electric Cut-Out Lever

– In the event the operator loses control of the Trowel, this

lever will shut down the engine and prevent the handle from spinning.

(Standard)

2.

Throttle Lever

– Controls the speed of the engine. Pull lever towards the operator to

increase speed (high), push away from the operator to decrease speed (low).

3.

Screw Pitch Control Knob

– Controls the angle of the blades. Turn clockwise to

increase blade pitch, counter-clockwise to decrease blade pitch.

4.

Handle Lock Bar

– Lock the handle when edger operating.

5.

Upper handle

6.

Low handle

– .

7.

Lock nut

– Loose this lock nut can fold the upper handle down when edger trowel

shipment.

8.

Engine

– Drives the trowel.

9.

Aluminum Wheel

–function of rotate when edge operating.

10. Blades

– This trowel is equipped with a set of finishing blade as standard. Other

blades can also be fitted depending on type of jobs to be performed. In addition, float

pans can be attached that will allow the trowel to float on wet concrete.

11. Lifting handle

– Lift the towel.

12. Gearbox

– Reduce the engine speed and driving spider.

13. Stabilizer Ring

– Provides safety precaution. Never put hands or feet inside guard

ring when Trowel is running.

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Summary of Contents for BM424

Page 1: ...ering com webmaster bomaxengineering com BM Owner s Manual Ver 01 2008 Page 1 OPERATION MANUAL WALK BEHIND EDGER TROWEL PERFORMANCE EFFICIENT RELIABLE Your Model ____________________ Your Serial _____...

Page 2: ...08 Page 2 BOMAX sincerely thanks you for selecting the Walk Behind Edger Trowel For your safety and proper operation before you start to operate or carry out any maintenance on this equipment YOU MUST...

Page 3: ...TABLE OF CONTENTS Daily Pre Operation Checklist 4 Safety Alert Hazard Symbols 5 Safety Messages 8 Technical Specifications 11 Machine Descriptions 12 Assembly 13 Pre Operation Inspection 15 Start Stop...

Page 4: ...01 2008 Page 4 DAILY PRE OPERATION CHECKLIST NOTE Make copies of this checklist and use it on a daily basis 1 Engine Oil Level 2 Gearbox Oil Level 3 Engine Fuel Level 4 Condition of Blades 5 Blade Pit...

Page 5: ...e engine Before using this equipment ensure that the operator has read and fully understands all instructions in this manual SAFETY ALERT SYMBOLS The following safety alert symbols will inform you abo...

Page 6: ...uids DO NOT fill the fuel tank while the engine is running or hot DO NOT overfill tank since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system...

Page 7: ...mage to the engine or equipment can result if operating in speed ranges above maximum allowable NOTE This equipment other property or the surrounding environment could be damaged if you do not follow...

Page 8: ...R maintenance or use can be hazardous READ and FULLY UNDERSTAND this section before you perform any maintenance service or repairs This equipment is to be used for its intended application only This e...

Page 9: ...f any are damaged or missing DO NOT USE THE EQUIPMENT until the guard has been replaced or repaired Do not operate the machine when you are ill feeling tired or when under the influence of alcohol or...

Page 10: ...made safe immediately using sand If fuel is spilt on your clothes change them Store fuel in an approved purpose made container away from heat and ignition source PPE Personal Protective Equipment Suit...

Page 11: ...ECHNICAL SPECIFICATIONS BM424 MODEL BM424 DIMENSION LxWxH mm in 2050 x 620 x 1010 80 x 25 x 40 GUARD RING DIAMETER mm in 610mm 24 OPERATING WEIGHT kg lb 62 113 HANDLE TYPE Folder FINISHING BLADE SIZE...

Page 12: ...ise to decrease blade pitch 4 Handle Lock Bar Lock the handle when edger operating 5 Upper handle 6 Low handle 7 Lock nut Loose this lock nut can fold the upper handle down when edger trowel shipment...

Page 13: ...n may be different from the actual equipment ASSEMBLY 1 Connect the handle assy to the four bolts on gear box Install the shaft pin inside the yoke arm Tightened the handle with lock nut 2 Engine moun...

Page 14: ...ne Loosen the screw that crimps the throttle cable to allow free movement of throttle cable Connect the throttle cable to the engine Keep in mind there should be a piece of wire installed on the machi...

Page 15: ...hever is first Please refer to the maintenance section for detailed guidance If any fault is discovered the Trowel must not be used until the fault is rectified 1 Thoroughly inspect the machine for si...

Page 16: ...d oil leaks 7 Check engine carburetor for external dirt and dust Clean with dry compressed air 8 Check fastening bolts and nuts for tightness 9 Check the gearbox oil is up to point If the oil is not u...

Page 17: ...improperly maintained CAUTION The Trowel is heavy and awkward to move around Use appropriate lifting device and proper heavy lifting procedures DO NOT lift the Trowel by the guard rings START PROCEDU...

Page 18: ...rting position Failure to do so may result in injuries Figure 3 Correct Starting Position 4 Set the Centrifugal Cut Out Switch to ON position or HOLD down the Electric Cut Out Lever 5 Grasp the Recoil...

Page 19: ...he engine OPERATION CAUTION Visually check to be sure that the blades are free of obstructions and the area is clear for operation CAUTION NEVER place hands or feet inside the guard rings while operat...

Page 20: ...orly screeded slab FLOATING OPERATION Before starting the floating operation be sure that the Float Pan is correctly mounted on the blades Be aware that with the blade arms turning clockwise the Float...

Page 21: ...e Trowel on areas where water has been applied because the Trowel will tend to skate away Be sure to maintain control of the Trowel at all times PITCH ADJUSTMENT The pitch control knob is in easy reac...

Page 22: ...cement concrete paste is very difficult to remove Replace decals immediately that are worn missing or damaged CHANGING BLADES Be sure spark plug lead is disconnected before changing the blades Make s...

Page 23: ...NCE SCHEDULE Maintenance Daily 8 10 Hours Weekly 50 60 Hours Monthly 200 300 Hours Yearly 2 000 2 500 Hours Check engine and gearbox oil level Check V Belt Re lube Trowel arms Replace blades if necess...

Page 24: ...sition of the fuel will deteriorate after prolonged storage When the Trowel needs to be stored for a long time remove all the fuel from the fuel tank Also remove the fuel from the float chamber of the...

Page 25: ...ove cement concrete on Trowel E Retighten V Belt 4 Trowel Engine runs but Trowel does not A Presence of water in the clutch B Speed output of engine is slow C Engine overloaded A Dismantle dry clutch...

Page 26: ...by persons other than BOMAX or their recognized agents 3 Transportation or shipment costs to and from BOMAX or their recognized agents for repair or assessment against a warranty claim on any equipmen...

Page 27: ..._______________________________________________________ ______________________________________________________________ ______________________________________________________________ __________________...

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