REED R5600 - Power Tool & Small Appliances; Motors

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com
9
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Power Tools & Small Appliances
This test would also apply to
othersimilarequipmentthat
hasalinecord.Fordouble
insulated power tools, the
megohmmeter lead shown
(Seegraphiconpage8)
connected to the housing
wouldbeconnectedto
some metal part of the tool
(ie:chuck,blade).
Note:Theswitchofthe
devicemustbeinthe“ON”
position and the main power
shouldbedisconnected.
Motors
AC-Disconnectthemotorfromthelinebydisconnectingthewiresatthe
motorterminalsorbyopeningthemainswitch.Ifthemainswitchisused
andthemotoralsohasastarterthenthestartermustbeheld,bysome
means,inthe“ON”position.Inthelattercase,themeasuredresistance
willincludetheresistanceofthemotor,wireandallothercomponentsbe-
tweenthemotorandthemainswitch.Ifaweaknessisindicated,themo-
torandothercomponentsshouldbecheckedindividually.Ifthemotoris
disconnected at the motor terminals, connect one megohmmeter lead to
the grounded motor housing and the other lead to One of the motor leads.
DC-Disconnectthemotorfromtheline.Totestthebrushrigging,eld
coils and armature connect one megohmmeter lead to the grounded
motorhousingandtheotherleadtothebrushonthecommutator.Ifthe
resistancemeasurementindicatesaweakness,raisethebrushesoffthe
commutatorandseparatelytestthearmature,eldcoilsandbrushrigging
byconnectingonemegohmmeterleadtoeachofthemindividually,leav-
ingtheotherconnectedtothegroundedmotorhousing.Theabovealso
appliestoDCGemerators.
w ww . . co m
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