JUKI MEB-3200 Engineer's Manual page 77

Adjustment Procedures
™ Adjusting the knife pressing amount
] key #4 , turn ON the power.
1. Pressing [ADJUST
2. The pressing amount set in 4-digit LED !0 is displayed.
(30 has been set in the state of the standard delivery.)
3. The pressing amount can be set with [RIGHT
] key !2 .
The setting range is –100 to 300. The more the number is, the higher
the knife pressure becomes.
] key 2 to light up the sewing LED. At this time,
4. Press [READY
the feed base performs origin retrieval.
5. Lower the presser with the presser switch and press the start switch
to actuate the knife.
1) The pressing amount can be set again using [RIGHT
] key !2 with the presser raised.
or [RIGHT
2) The set value is stored in memory when the knife is actuated by the
start switch or [ADJUST
the power without performing either operation, the setting is not
stored in memory.
™ Adjusting the stopping time of the knife lower position
1. The stopping time at the knife lower position can be extended.
2. Setting of 50 to 500 ms can be performed with the memory switch No.
55. (See the item "7. Setting the memory switch".)
™ Making the pattern data of the knife adjustment value
1. Setting of the knife holder No. pattern setting acceptable
Knife holder No. pattern can be set to the memory switch No. 40.
0 ... Used for knife holder No. 0 only
1 ... Knife adjustment value of knife holder No. 0 to 9 can be individually set
for each pattern data.
2. Setting of the knife adjustment value memory switch
Memory switch No. 50 ... Knife holder No. 0
Memory switch No. 41 to 49 ... Knife holder No. 1 to 9
3. Knife adjustment mode operation
1) Knife holder No. pattern setting acceptable
Pressing [ADJUST] switch, turn ON the power.
Display knife holder No, 0 in the 2-digit LED and knife adjustment value
0 (memory switch No. 50) of knife holder No. 0 in the 4-digit LED, then
light up the knife adjustment LED and knife On/Off LED. Perform the
origin retrieval by "READY" switch to move the cloth cutting knife and
presser/rotary to the position of origin. Light up the ready LED. Lower
the presser by the presser switch and actuate the cloth cutting
knife using the start switch. At this time, if the knife adjustment value
is updated, write it to EEPROM. Update the knife holder No. (2-digit
LED) by +1 with [LEFT
display the knife adjustment value. Update the knife adjustment value
(4-digit LED) by +1 with [RIGHT
] switch. When the value is updated, it is not stored in memory unless
the cloth cutting knife is actuated. When the knife holder No. is updated
without actuating the cloth cutting knife, it is not stored in memory. The
mode moves to the normal mode by the [ADJUST] switch. At this time,
the knife adjustment value is updated, write it to EEPROM.
2) Knife holder No. pattern setting unacceptable
2-digit LED is blank.
4. Setting of the knife holder No. pattern data
1) Knife holder No. pattern setting acceptable
Setting of the knife holder No. to data No. 28
Setting range is 0 to 9.
2) Knife holder No. pattern setting unacceptable
Setting of the knife holder No. to Data No. 28 is skipped. Data No. is not
displayed.
] key ! 1 or [RIGHT
] key #4 is pressed. When turning OFF
] switchand by -1 with [LEFT
] switch and by -1 with [RIGHT
73
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Results of Improper Adjustment
™ Set the knife pressing amount as
small as possible in order to protect
the knife and the knife holder and
maintain the durability.
If the knife pressing amount is
excessively large, malfunction of the
drive motor or breakage of the knife
will be caused.
] key !1
™ Even when the pressing amount is
increased, the result is not effective,
when the cut length is excessively
long or sewing heavy-weight
materials, set the stopping time of
the knife lower position longer than
the specified time.
] switch, and
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