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TROUBLE SHOOTING
Problem
Cause
Polluted or defective spark
plug
Engine does not
Clogged petrol filter
start or cuts off
Wrongly adjusted carburettor
again immedi-
Misaligned spark plug clear-
ately
ance
Clogged air filter
Engine is run-
Incorrect position of choke
ning but does
lever
not have any
Polluted silencer
power
Wrongly adjusted carburettor
Spluttering or
erratic
Wrongly adjusted carburettor
running engine
Spark plug defective, polluted
No power under
or incorrectly adjusted
load
Incorrect petrol mix
Strongly smok-
Incorrect petrol mix
ing exhaust pipe
Cutting tools
Idle running speed too high
turning at idle
Defective clutch
running
Defective main shaft
TECHNICAL SPECIFICATIONS
Model
BMS520A
Engine
2-stroke petrol engine, 1 cylinder, air-cooled
Displacement
51.7 cm³
Maximum power
2.2 KW / 3,0 HP at 7500 turns/min
Petrol
Unleaded fuel mixed 1:25
Maximum idle running speed
3000 turns/min
Tank capacity
1200 ml
Maximum cutting circle
430 mm
Sound pressure level (Lpa)
108 dB (A)
Sound power level( Lwa)
110 dB (A)
Dimensions
1830 mm x 610 mm x 420 mm
Weight
7.5 kg
Page 10
Remedy
Clean or replace spark plug
Clean or replace petrol filter
Adjust carburettor correctly
Clean or replace air filter
Change lever position
Replace or clean silencer
Adjust carburettor
Clean, adjust or replace spark
plug
Discharge tank and use petrol
mixture 25:1
Adjust idle running speed
replace clutch
Replace main shaft
•
Wipe away all spilled petrol away from
tank before starting brush cutter.
Before getting started always check:
•
Tightness of fuel system, proper condition
of all safety devices and cutting devices,
fast seating of all screws.
•
Make sure that all bolts and other fasten-
ing elements are correctly tightened and
none is missing.
Cutter:
•
Cutter is very sharp. Please be carefully
with it.
•
To mount cutter correctly please read
instructions given on it in this user manual.
•
Observe! Fastening of cutting blade is a
left turning thread!
Adjusting cutting height:
•
Put on carrying strap.
•
Hook your device.
•
Adjust cutting and working position on
carrying strap by using strap adjuster.
•
To find the perfect position for yourself do
a few swings with device without engine
running.
INTENDED USE
•
Using this brush cutter only cut lawn and
grass land. For cutting bushes and
branches only use saw tooth blade.
•
All other applications can result in bad
injuries of operator or damage brush cut-
ter.
•
Never carry out following operations us-
ing brush cutter, As those can cause bad
injuries or damage machine:
-chaffing of hedges and branches
-Cleaning pavements
-evening unevenness of ground
- removing molehills
- for operating other gardening devices
•
This device is especially designed for
private usage and is not suitable for
application in hand craft or commercial
companies.
GENERAL SAFETY REGULATIONS
•
Exhaust fumes are toxic. Never operate
this device indoors.
•
Petrol is easily inflammable. Stop engine
before refuelling petrol.
•
Never smoke while refuelling or carrying
out maintenance operations. Pay atten-
tion to nit spilling fuel.
•
Device may not be exposed to perma-
nent dampness and dust.
•
Do not remove any of the protective cov-
ers and do never touch moving or hot
parts.
•
Repair and adjusting operations may only
be carried out according to the given
instructions in maintenance chart.
•
Basic settings on engine as well as rotary
speed may not be modified unauthorised.
•
Start machine on an even, secure place.
Page 3
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