Mitsubishi FB13PNT, Quick Start Manual

Page: 250 / 292

3-25 3-25
1. 1. Br Brus ush h
2. 2. Com Commut mutato atorr
1) 1) Go Good od
2) 2) Not Not goo good d
502741 502741
(3) (3) If the c If the condit ondition is no ion is not good t good, inser , insert a sand pa t a sand paper [ per [#400] #400]
between the brush and between the brush and commutator. commutator.
(4) (4) Poli Polish the b sh the brush s rush surfa urface by m ce by moving oving a sand a sand paper paper or or
rotating commutator. rotating commutator.
(5) (5) Che Check th ck the thi e thickn ckness o ess of bru f brush. sh.
(6) (6) Blow t Blow the dus he dust out wi t out with com th compress pressed air ed air and cle and clean the an the
parts. parts.
1. 1. Br Brus ush h
2. 2. San Sand pa d paper per
3. 3. Com Commut mutato atorr
1 1
3 3
502742 502742
2 2
T To oo ol l n na am me e N Nu um mb be err
S Saan nd d p paap pe err # #4 40 00 0
CHAPTER 3 MOTOR CHAPTER 3 MOTOR
17 17.. Tr Trou oubl bles esho hoot otin ing g
S Sy ym mp ptto om m P Po ossssiib blle e cca au usse ess S So ollu uttiio on n
Motor does not start. Motor does not start.
Low supply voltage Low supply voltage
Charge battery and improve power supply Charge battery and improve power supply
condition.
condition.
B Bllo ow wn n ffu usse e R Re ep pllaacce e..
E Exxcce esss s llo oaad d R Re ed du ucce e llo oaad d..
FFaau ulltty y w wiirre e cco on nn ne eccttiio on n R Re ep paaiirr, , o or r rre e--ttiig gh htte en n w wiirre e cco on nn ne eccttiio on nss..
B Brro okke en n w wiirre e iin n cco on nttrro ol l d de evviicce e R Re ep paaiir r o or r rre ep pllaacce e..
B Brro okke en n w wiirre e iin n ffiie elld d d de evviicce e R Re ep paaiir r o or r rre ep pllaacce e..
B Brro okke en n w wiirre e iin n aarrm maattu urre e cco oiill R Re ep paaiir r o or r rre ep pllaacce e..
Motor starts but does not Motor starts but does not
run at rated speed.
run at rated speed.
Low supply voltage Low supply voltage
Charge battery and improve power supply Charge battery and improve power supply
condition.
condition.
FFaau ulltty y cco on nn ne eccttiio on n o of f aarrm maattu urre e cciirrccu uiitt R Re ep paaiir r cco on nn ne eccttiio on nss..
Motor produces Motor produces
Abnormal vibrations and
Abnormal vibrations and
noise.
noise.
D De effe eccttiivve e b be eaarriin ng gss R Re ep pllaacce e b be eaarriin ng gss..
LLo oo osse e m mo ou un nttiin ng g b bo ollttss R Re ettiig gh htte en n b bo olltts s aan nd d n nu uttss..
C Co on nttaacct t b be ettw we ee en n aarrm maattu urre e aan nd d ffiie elld d cco oiill R Re ep paaiir r o or r rre ep pllaacce e..
Bearing overheats. Bearing overheats.
IIn ncco orrrre ecct t iin nssttaallllaattiio on n C Co orrrre ecct t iin nssttaallllaattiio on n cco on nd diittiio on n..
Severe external vibration Severe external vibration
Remove the cause of vibration, or take Remove the cause of vibration, or take
appropriate vibration-insulating measures.
appropriate vibration-insulating measures.
D De effe eccttiivve e b be eaarriin ng gss R Re ep pllaacce e..
O Oiil d l de eg grraad daattiio on o n or r ssh ho orrttaag ge i e in b n be eaarriin ng gss R Re ep pllaacce e..