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1. Read this manual carefully 
until you completely understand 
and follow all safety and 
operating instructions. 

2. Keep this manual handy 
so that you may refer to it 
later whenever any questions 
arise. Also note, if you have 
any questions which cannot 
be answered herein, contact  
Sherpa Tools.

3. Always be sure to include 
this manual when selling, 
lending, or otherwise 
transferring the ownership of 
this product. 

4. Never allow children 
or anyone unable to fully 
understand the directions 
given in the manual to use the 
machine. 

WORKING CONDITION 

1. When using the product, you 
should wear proper clothing 
and protective equipment: 

(1) Helmet 

(2) Ear protectors 

(3) Protection goggles or face 
protector 

(4) Thick work gloves 

(5) Non-slip-sole work boots 

2. And you should carry with 
you:

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(2) Properly stored fuel 

(3) Spare trimmer line

(4) Things to notify your 
working area (rope, warning 
signs) 

(5) Whistle (for collaboration or 
emergency) 

(6) Hatchet or saw (for removal 
of obstacles) 

3. Do not wear loose clothing, 
jewellery, short trousers, 
sandals, or go barefoot. Do not 
wear anything which might be 
caught by a moving part of the 
unit. Secure hair so it is above 
shoulder length. 

WORKING CIRCUMSTANCE 

1. Never start the engine inside 
a closed room or building. 
Exhaust gases contain 
dangerous carbon monoxide. 

2. Never use the product, 

a. when the ground is slippery 

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steady posture. 

b. At night, at times of heavy 
fog, or at any other times when 

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to gain a clear view of the 
working area.

c. During rain storms, during 
lightning storms, at times of 
strong or gale-force winds, or at 
any other times when weather 
conditions might make it unsafe 
to use the product.

WORKING PLAN 

1. You should never use 
the product when under the 

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suffering from exhaustion or 
lack of sleep, when suffering 
from drowsiness as a result 
of having taken cold medicine 
or at any other time when a 
possibility exists that your 
judgment might be impaired or 
that you might not be able to 
operate the product properly 
and in a safe manner. 

2. When planning your work 
schedule, allow plenty of time 
to rest. Limit the amount of 
time over which the product 
is to be used continuously to 
somewhere around 30~40 
minutes per session, and take 
10~20 minutes of rest between 
work sessions. Also try to 
keep the total amount of work 
performed in a single day under 
2 hours or less. 

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working time, or working 
manner, Repetitive Stress 
Injury (RSI) could occur. If you 
feel discomfort, redness and 

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other part of your body, see a 
doctor before getting worse. 

2. To avoid noise complaints, 
in general, operate product 
between 8am and 5pm on 
weekdays and 9am to 5pm 
weekends. 

 

Check and follow the local 
regulations as to sound level 
and hours of operations for the 
product.  
 

SAFE OPERATION

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ENGINE P

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TS DIAGRAM

Summary of Contents for TT-WBC520

Page 1: ...CONTACT OPERATOR S MANUAL TT WBC520 WHEELED GRASS TRIMMER IMPORTANT IT IS ESSENTIAL THAT YOU READ THE INSTRUCTIONS IN THIS MANUAL BEFORE ASSEMBLING OPERATING AND MAINTAINING THIS MACHINE ...

Page 2: ...rettor out of adjustment 9 Make necessary adjustments Hard to start 1 Throttle control not set properly 1 Place throttle control in FAST position LUW DLU ÀOWHU OHDQ RU UHSODFH DLU ÀOWHU 3 Bad spark plug or improper gap 3 Replace spark plug or adjust gap 4 Stale or dirty fuel UDLQ IXHO WDQN DQG FDUEXUHWWRU ÀOO ZLWK IUHVK IXHO 5 Loose spark plug wire 5 Make sure plug wire is seated properly on plug ...

Page 3: ...tions which must be followed or it leads to mechanical failure breakdown or damage NOTE This mark indicates hints or directions useful in the use of the product SAFETY INFORMATION Warning Labels Symbols on the machine 1 Read owner s manual before operating machine 2 Wear head eye and ear protection 3 Wear foot protection 4 Wear gloves 5 Beware of thrown objects 6 Warning Attention 7 Keep all child...

Page 4: ...er times when RXU ÀHOG RI YLVLRQ PLJKW EH OLPLWHG DQG LW ZRXOG EH GLIÀFXOW to gain a clear view of the working area c During rain storms during lightning storms at times of strong or gale force winds or at any other times when weather conditions might make it unsafe to use the product WORKING PLAN 1 You should never use the product when under the LQÁXHQFH RI DOFRKRO ZKHQ suffering from exhaustion ...

Page 5: ...check for the presence and locations of other people working so as to maintain a distance between HDFK SHUVRQ VXIÀFLHQW WR ensure safety 2 Check the condition of working area to avoid any accident by hitting hidden obstacles such as stumps stones cans or broken grass Remove any obstacle before beginning work 3 Inspect the entire unit for loose fasteners and fuel leakage Make sure that the cutting ...

Page 6: ...gine TRANSPORTATION 1 When hand carrying the product cover over the cutting part if necessary lift up the product and carry it paying attention to the blade 2 Never transport the product over rough roads over long distances by vehicle without removing all fuel from the fuel tank If doing so fuel might leak from the tank during transport Maintenance replacement or repair of the emission control dev...

Page 7: ... not bent warped cracked broken or damaged I RX ÀQG DQ HUURU WR WKH head discard it and change new one By using the harness hang the unit on your right side Adjust the harness length so that the cutting head may become parallel to the ground Make sure to use harness and cutting attachment guard If not it is very dangerous when you slip or lose your balance If the grass or other object gets caught ...

Page 8: ...L STARTING ENGINE The cutting head will start rotating upon the engine starts 5HVW WKH XQLW RQ D ÁDW ÀUP place Keep the cutting head off the ground and clear of surrounding objects as it will start rotating upon starting of the engine 2 Ensure the choke lever to the closed position down OP2 1 Choke lever 2 Closed position 3 Open position 3 Set the ignition switch to the start position 4 Push the p...

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