Dynapac BG49 Series, Instructions And Spare Parts Catalogue

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INSTRUCTION MANUAL – BG49
File: 4700369449_ENG_NO.doc Page 6 / 22 Original instructions
GENERAL
The DYNAPAC BG49 is designed for rough and fine machine trowelling of concrete floor.
DESIGN
BG49 is driven by a four stroke petrol engine (1).
They are equipped with a dead-man handle (2) which stops the rotor as soon as it is released or if the
operator loose control of the operating handle (3).
The engine power is transmitted to the rotor supporting the blades (4) through a V belt clutch and a reduction
gear box (5). The blades are protected by a guard ring (6).
The blade control knob (7) provides an accurate and easy adjustment of the blade pitch.
The rotation speed of the blades should be adjusted by the throttle lever (8).
The engine stop is controlled by an ON-OFF switch (9) which avoid to loose the operating handle to stop the
engine.
The BG49 can be equipped of short or long operating handle.
1 Petrol engine .
2 Dead-man handle .
3 Operating handle .
4 Blades .
5 Reduction gear box .
6 Guard ring .
7 Control knob .
8 Throttle lever .
9 ON-OFF switch .
TECHNICAL DATA
BG49GS P/N 4700369378
HONDA
Total weight kg - (lb) 112
Rotor diameter mm - (in) 1140 - (44.80)
Blade speed (r.p.m.) 50 to 120
Number of blades 4
POWER UNIT
Engine brand HONDA
Model GX390
Rated power kW - (hp) 8,2 - (11.0)
At (r.p.m.) 3600
Fuel Gasoline
Gasoline tank capacity l - (gal) 6,1 - (1.60)
Noise level
1
LpA dB(A)
LwA dB(A)
93
104
1
measured in air at 1 m from the power floats dB(A) , according to ISO3744.