
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 WEST LISBON ROAD • BROOKFIELD, WISCONSIN 53005 USA
(262) 781-3600
TO: AUTHORIZED portable electric tool SERVICE STATIONS DATE: April 2005
factory SERVICE / SALES SUPPORT BRANCH
SALES COMPANIES
TOOL(S) \ PRODUCT(S) AFFECTED: 6370-20 13.0 Amp 8” Metal Cutting Saw
SUBJECT: 31-44-0201 Handle Kit with Overload Circuit Breaker List Price $22.25 USD
Circuit Breaker Overload Protection is being added
to the 6370-20 13.0 Amp 8” Metal Cutting Saw to
reduce the chance of motor – armature & field -
burn-up due to operator overload.
31-44-0201 Handle Kit with Overload Circuit
Breaker contains:
right handle half
left handle half
wiring harness assembly
22-36-0160 Overload Circuit Breaker Protector
Kit updates a Series A serial number 6370-20
13.0 Amp 8” Metal Cutting Saw to Series B
(see
Service Parts List Bulletin 54-40-1626)
.
22-36-0160 Overload Circuit Breaker Protector is designed to trip when the tool is being stressed beyond its
design capacity.
Capacity
Steel Studs, Steel
Decking, Roofing Panels
10 gauge, up to 2-9/16”
in depth
Steel Plate 1/4" thick
Angle Iron 2-1/2” X 2-1/2” X 1/4”
Please see reverse side for tips and techniques to optimize the cutting performance of the circular saw and blade
life.
Circuit Breaker is ‘open’ when the button is out; if the tool doesn't run with the breaker in, a
continuity check across the terminals of the breaker would be appropriate (button in).
NO Continuity across the two circuit breaker terminals with the button in the breaker would be faulty, or damaged
internally and need to be replaced.
Continuity across the two circuit breaker terminals with the button out the breaker would be faulty, or damaged
internally and need to be replaced.
Is this an add-on to any saw coming in? Yes, if the motor is burnt up. Please note a burn-up of the armature and field are
most likely due to overload and it is critical that the customer is aware of the saws limitations - please send the saw back with
a copy of the OPTIMIZING CUTTING PERFORMANCE page.
Please be aware that if the user overrides the circuit breaker, either by holding-it-in, taped-it-on or not letting the motor rest
and cool, as the circuit breaker resets itself in about 2-3 minutes while the motor needs 60 minutes of not being run or
6 minutes of running at no-load to properly cool the motor and blade; they will still be able to burn-up a motor.
This bulletin is for informational purposes. PLEASE NOTE ON SERVICE PARTS LIST: 54-40-1625
O INFORM YOU
PRODUCT
SUPPORT
BULLETIN # 433
Circuit Breaker
Overload Protector
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