AMF S-311 Manuel de service télécharger pdf (Page 100)

Revised 03/2006

e-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com

Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts); Fax: +420 582 360 606

2-4

S-311

SYMPTOM POSSIBLE CAUSE PROBABLE SOLUTION

TROUBLESHOOTING

The lower thread is

not caught in the

thread retainer after

sewing the

buttonhole

The lower thread is

trimmed, but is held in

the looper

Thread pick-up does

not catch the upper

thread

The lower thread is

not trimmed

Broken needle

The machine

switched off when

sewing the buttonhole

When sewing the next

buttonhole first

stitches are loose

Big clereance between the clamps

of the holder

The thread retainer is adjusted

incorrectly

Knife for trimming the upper

thread is damaged

Check the shears on the clamp

plate for dullness or damage

Low air pressure

Incorrectly set parameters for

length of a buttonhole and flybar

length

Loopers are incorrectly adjusted

The shears on the clamp plate do

not operate the right way

The power supply was

disconnected

The top thread is loose

E13Adjust the clereance between

the clamps for 0,05 mm

Re-adjust the thread retainer

Check the knife, re-adjust

Grind or replace

Set the air pressure to

0.45 MPa and higher

Length of a buttonhole and

flybar length must be set in

accordance with installed

clamp plates

Re-adjust

Check the shears, clean or

lubricate

E13

E10

Switch the machine on and

continue according to section

SYMPTOM

POSSIBLE CAUSE PROBABLE SOLUTION

SERVICE

SECTION

It is recommended to equipped

the machine with the thread

nipper for the following

03.5519.3.013

1 2 ... 95 96 97 98 99 100 101 102 103 104

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AMF S-311 Manuel de service Page 100

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