HANGCHA CPD10J, Service Manual

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7
1.1.4 Use and maintain
CPD10-30J
The commutator has four check windows, with which you can observe and maintain the
commutator and brush. There are four average distributing magnetic poles in seat. The magnetic pole
coil is made of F state copper thread, dipping with F state insulating varnish. Parts of stator and neutral
position of brush have been adjusted;
users mustn’t unpack and adjust randomly.
· Check armature for rotation and void frictionize.
· Check outgoing line of electric machine for connection
· Brush should slide freely in the brush hold box.
· Check reverse chip for neatness, if need be
，
clear canaliculus between the reverse chip or the
commutator surface of powder, can used cleanly calico of soft and no thread downy , maybe surface
had oil ,calico can dip alcohol when wiping (stop process).
· check all fasteners whether fastened.
·brush’s shelf must reliable fastened, can’t become flexible. If need running or disassembly brush’s
shelf
，
must make out marker
，
can become flexible bolt. When the brush’s shelf reposition, aim at
marker line, screw down bolt, in order to keep brush in the former neutral location.
·winding isolating resistance should check of fix a date, when near work’s temperature, under rule data,
otherwise should put up dry.
· fix a date open window shutter, check inside part whether transmutation and reverse partial circs
whether up to snuff.
· you should often clean bed load
and other dirt on the motor’s
shell, in order to giving out heat
quantity
best.
· Every half year check motor one time as follow:
a. Inspect exterior and clean the dust for the motor
；
b. Clean or replace bearing, during running it is permitted to giving off abnormal noise for bearing
；
c.
Inspect the brush’s abrasion, if necessary replace it.
Burnishing for brush
：
·When replaces the brush, using ―00‖ thin emery cloth to burnishing it. During burnis
hing you can haul
the emery cloth leftward or rightward.
· After burnish the brush and clean the commutator with emery cloth, the motor should lowered voltage
and limiting speed to running under load, in order to safety, till the brush’s working face is shi
ned.