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10. 

Before using the tool on an actual workpiece, 
let  it  run  for  a  while.  Watch  for  vibration  or 
wobbling  that  could  indicate  improperly 
installed bit. 

11. 

Be careful of the bit rotating direction and the 
feed direction. 

12. 

Do not leave the tool running. Operate the tool 
only when hand-held. 

13. 

Always switch off and wait for the bit to come 
to  a  complete  stop  before  removing  the  tool 
from workpiece. 

14. 

Do  not  touch  the  bit  immediately  after 
operation;  it may  be  extremely  hot  and  could 
burn your skin. 

15. 

Do  not  smear  the  tool  base  carelessly  with 
thinner,  gasoline,  oil  or  the  like.  They  may 
cause cracks in the tool base. 

16. 

Draw attention to the need to use cutters of the 
correct shank diameter and which are suitable 
for the speed of the tool. 

17. 

Some material contains chemicals which may 
be  toxic.  Take  caution  to  prevent  dust 
inhalation  and  skin  contact.  Follow  material 
supplier safety data. 

18. 

Always  use  the  correct  dust  mask/respirator 
for  the  material  and  application  you  are 
working with. 

 

SAVE THESE INSTRUCTIONS. 

 

WARNING: 

DO NOT let comfort or familiarity with product (gained 
from  repeated  use)  replace  strict  adherence  to  safety 
rules  for  the  subject  product.  MISUSE  or  failure  to 
follow the safety rules stated in this instruction manual 
may cause serious personal injury. 

 

FUNCTIONAL DESCRIPTION 

 

CAUTION: 

• 

Always  be  sure  that  the  tool  is  switched  off  and 
unplugged before adjusting or checking function on 
the tool. 

 

Adjusting bit protrusion 

1

2

3

4

 

 

005431 

 
To adjust the bit protrusion, loosen the clamping screw 
and  move  the  tool  base  up  or  down  as  desired.  After 
adjusting, tighten the clamping screw firmly to secure the 
tool base. 

 

Switch action 

1

 

 

005432 

 

CAUTION: 

• 

Before plugging in the tool, always be sure that the 
tool is switched off. 

To start the tool, move the switch lever to the I position. 
To stop the tool, move the switch lever to the O position. 

 

ASSEMBLY 

 

CAUTION: 

• 

Always  be  sure  that  the  tool  is  switched  off  and 
unplugged  before  carrying  out  any  work  on  the 
tool. 

 

Installing or removing trimmer bit 

1

2

3

 

 

005433 

 

CAUTION: 

• 

Do not tighten the collet nut without inserting a bit, 
or the collet cone will break. 

• 

Use only the wrenches provided with the tool. 

Insert the bit all the way into the collet cone and tighten 
the collet nut securely with the two wrenches. 
To  remove  the  bit,  follow  the  installation  procedure  in 
reverse. 

 

 
 

1. Loosen 
2. Tighten 
3. Hold 

1. Switch lever 

1. Base 
2. Scale 
3. Bit protrusion 
4. Clamping screw

Summary of Contents for MT371

Page 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL DOUBLE INSULATION WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE Trimmer MT371 005430...

Page 2: ...follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term power tool in the warnings refers to your...

Page 3: ...y adjustments changing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally 21 Store idle power tools out of the reach of children...

Page 4: ...trict adherence to safety rules for the subject product MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury FUNCTIONAL DESCRIPTION CAUTION...

Page 5: ...AUTION Since excessive cutting may cause overload of the motor or difficulty in controlling the tool the depth of cut should not be more than 3 mm at a pass when cutting grooves When you wish to cut g...

Page 6: ...to the workpiece and use it as a guide against the trimmer base Feed the tool in the direction of the arrow A 005437 Circular work 1 2 3 4 5 001993 Circular work may be accomplished if you assemble th...

Page 7: ...unplugged before attempting to perform inspection or maintenance Replacing carbon brushes 1 001145 Remove and check the carbon brushes regularly Replace when they wear down to the limit mark Keep the...

Page 8: ...006485 U Grooving bit R 005117 mm D A L 1 L 2 6 6 6E 1 4 6 60 28 R 3 006486 V Grooving bit 005118 mm D A L 1 L 2 1 4 20 50 15 90 006454 Drill point flush trimming bit 005120 mm D A L 1 L 2 6 6 6E 1 4...

Page 9: ...L 1 L 2 L 3 6 6 6 20 49 14 2 20 50 13 5 23 46 11 6 30 45 60 006462 Cove beading bit 005129 mm D A L 1 L 2 R 20 43 8 4 6 6 25 48 13 8 006464 Ball bearing flush trimming bit 005130 mm D A L 1 L 2 6 1 4...

Page 10: ...33 mm D A 1 A 2 A 3 L 1 L 2 L 3 R 6 6 5 5 4 4 5 10 12 7 26 12 8 42 20 12 8 40 006468 Ball bearing cove beading bit 005134 mm D A 1 A 2 A 4 L 1 L 2 L 3 R 6 6 5 5 3 5 10 12 5 26 22 8 42 20 18 8 A 3 12 1...

Page 11: ...11...

Page 12: ...12 Makita Corporation Anjo Aichi Japan 884790A936...

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