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.1NW.lnltM
,t#.l$ lIGHTS REMAINOF:
ISJUSTOREBU!BOff?
YES - Replacehidbs
NO
ARE80TH BULBSOFF BUTMACHINEOPERATES
REGULARLY_
YES - Check connectors tr, see thai they are firmly
connected
If problem remoras refer to Secl/on 3B6
Replacebulbs
Refer to Section 3B6
,le4_.lot/N
2#.17 MOTORSPEEDSELECTIONDOtS NOTWORK
You may have 8 mechgmclll or In electr_al Problem
The low speedc_ffoi _11 allow machme to sew up to ,500 r pm 's. maximum speedshouldbe between 950 and t 000
r p o's Methme shouldnot be allowedto run taster or poor stitch quahty wallresult
A WORD OF CAUTION: If ply _ico mch_ to ke eal'y aiifi, do nit fwce H to operate. Find Ike raesoM tirol
OO YOU FINO HANOWHEELSTIFF WHENYOU
ROTATEIT)
NO YES
IS THEREANY TANGLEDTHREADOR DRIED
LUBRICANTBETWEENOPERATIVEPARTS?
NO YES - Remove thread clean out dry lubricant oil
CAREFULLY lad can mterfere wdh PC board
contacts)
IS TOOTHEDBELT BETWEENUPPEH AND LOWER
SHAFT TOO TIGHT?
NO YES - Refer to Sections 2C44 for adlustmerds
IS TOOTHEDBELTBETWEENMOTORAND UPPER
SHAFTTOOTIGHT?
NO
WAS MACHINEOROPPEO?
YES - Refer to Sectron2C44 for adluSh,ents
YES - If mare frame is henl or broken the rnachme _'; nor
economically repaffahle
OlherwJse. tape, o€ replace damaged paris
WITHMACHINEALLSETTOSEW.ISJUSTALIGHT
PRESSUREONFOOTCONTROLENOUGHTOCAUSE
MACHINETO RUNAT FULLSPEED?
YES - Repla:e for* control Checkto see that inlemiplor is
_curaly lesioned to motor control board Refer to
Sect/on 2C4 7 H problem remoras,refer to Sect/on
3B5
NO
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