Operator`s manual
14
15
 WARNING! Do not at any time let brake fluids, gasoline, petroleum-based 
products, penetrating oils, etc. to come in contact with plastic parts. Chem-
icals can damage, weaken or destroy plastic which may result in serious per-
sonal injury.
REPLACEMENT OF CARBON BRUSHES (Fig. 9)
1. Unplug the saw before inspecting or 
replacing brushes.
2. Loosening the locking screw and 
remove carton brush covers.
3. Replace the carbon bushes and keep 
the brushes clean and sliding freely in 
their guide channels.
NOTE: To reinstall the same brushes, 
make sure that the brushes go back in 
the same way they came out. This will avoid a break-in period.
4. Install the carton brush covers and tighten the locking screw, but do not 
over tighten. The saw should be allowed to “RUN IN” (run at no-load without 
a blade) for 5 minutes before use to seat the new brushes properly.
TROUBLESHOOTING
 WARNING! Turn the ON/OFF switch to the “OFF” position and unplug the 
saw from the power source before performing troubleshooting procedures.
PROBLEM CAUSE SOLUTION
The saw will not 
start
Not plugged into 
power source
Plug the saw into a power 
source
Cutting is difficult Blade is blunt Replace saw blade.
Blade cannot be 
removed
Saw dust in the 
clamp slot
Clean the clamp slot with 
brush
ACCESSORIES
Saw blade………………………………………………………………2 pcs
Hex key…………………………………………….....…………………1 pc
WARRANTY
3-MONTH MONEY BACK GUARANTEE:
This  MASTERFORCE™  brand  power  tool  carries  our  3-Month  Money  Back 
Guarantee.  If  you  are  not  completely  satisfied  with  your  MASTERFORCE™ 
brand  power  tool  for  any  reason  within  three  (3)  months  from  the  date  of 
purchase, return the tool with your original receipt to any 
 retail 
store, and we will provide you a refund – no questions asked.
3-YEAR LIMITED WARRANTY: 
This MASTERFORCE™ brand power tool carries our famous No Hassle 3-Year 
Limited Warranty to the original  purchaser.    If the  tool  fails within  three  (3) 
years from the date of purchase, simply bring this tool and its sale receipt back 
to your nearest  
 retail store for a free equivalent replacement 
within those three years. Notwithstanding the foregoing, this limited warranty 
does not  cover any  damage that  has  resulted  from  abuse  or  misuse of  the 
Merchandise.    This  warranty:  (1)  excludes  expendable  parts  including  but 
not limited to blades, belts, bits, light bulbs, and/or batteries; (2) shall be void 
if this  tool  is used  for  commercial and/or  rental  purposes; and (3)  does  not 
cover any losses, injuries to persons/property or costs.  This warranty does 
give  you specific  legal rights  and you  may have  other rights,  which vary 
from  state  to  state.    Be  careful,  tools  are  dangerous  if  improperly  used  or 
maintained.  Seller’s employees are not qualified to advise you on the use of 
this Merchandise.  Any oral representation(s) made will not be binding on seller 
or its employees.    The  rights under this limited warranty  are  to the original 
purchaser of the Merchandise and may not be transferred to any subsequent 
owner. This limited warranty is in lieu of all warranties, expressed or implied 
including warranties or merchantability and fitness for a particular purpose.  
Seller shall not be liable for any special, incidental, or consequential damages.  
The sole exclusive remedy against the seller will be for the replacement of any 
defects as provided herein, as long as the seller is willing or able to replace 
this product or is willing to refund the purchase price as provided above. For 
insurance purposes, seller is not allowed to demonstrate any of these power 
tools for you.
For questions / comments, technical assistance or repair parts – 
Please Call Toll Free at: 1-866-917-4374 (M-F 8am – 6pm)
SAVE YOUR RECEIPTS. THIS WARRANTY IS VOID WITHOUT THEM. 
Locking screw
Fig.9









