YSM20R_YSM20WR_Mainte_E - 第56页
2-5 2 Daily maintenance items 1.2 Checking the nozzles visually T o visually check nozzles, remo ve each nozzle from the head or from the nozzle station. n Points to check the removed nozzles Check the remov ed nozzles w…

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Daily maintenance items
1.1.1 Vacuum level when nozzle is open
The table below shows the vacuum level measured when each nozzle is open.
The values might differ slightly depending on the air source and operating conditions. Use these values for
reference during maintenance.
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Standard vacuum level when nozzle is open
Head Type Nozzle Standard value when nozzle is open Remarks
HM head
Type301A 150 to 190
Standard nozzle
Type302A 60 to 110
Type311A 150 to 190
Narrow-pitch nozzleType312A 130 to 180
Type313A 40 to 80
Type303A/Type314A* 40 to 80
Standard & Narrow-pitch
common nozzle
Type304A/Type315A* 30 to 60
Type307A/Type318A* 30 to 60
No nozzle 30 to 60
FM head
Type301A 150 to 190
Standard nozzle
Type302A 60 to 110
Type311A 150 to 190
Narrow-pitch nozzleType312A 130 to 180
Type313A 40 to 80
Type303A/Type314A* 40 to 80
Standard & Narrow-pitch
common nozzle
Type304A/Type315A* 10 to 40
Type307A/Type318A* 10 to 40
No nozzle 10 to 40
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NOTE
The nozzle holes of the nozzles marked with an asterisk are larger than those of other nozzles. If a nozzle marked with an
asterisk exceeds its standard value shown above, the air path in the head (spline shaft, etc.) may be contaminated.

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Daily maintenance items
1.2 Checking the nozzles visually
To visually check nozzles, remove each nozzle from the head or from the nozzle station.
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Points to check the removed nozzles
Check the removed nozzles with a magnifying glass or similar tool.
If any solder or contaminant sticks to the nozzle tip or nozzle hole, clean the nozzle.
Nozzle tip
Solder is adhering to
nozzle hole
Solder is adhering to
nozzle tip (flat surface)
Nozzle hole
Checking the nozzle condition
No good: Nozzle is clogged No good: Shiny material on tip
Normal condition
53200-KMK-00
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CAUTION
If the above check reveals a clogged or dirty nozzle, clean the nozzle hole or nozzle tip referring to "1.2 Nozzle
cleaning" in chapter 3.
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Checking nozzles by removing them from the head
1. Move the head to a position where the nozzles can be easily removed, then remove each nozzle manually.
2. After checking and cleaning the nozzle, reattach the nozzle to the head while making sure the head position and the
nozzle's orientation are correct.
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NOTE
As for a simple method, check the nozzle attached to the head with a mirror or similar tool.
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Checking nozzles by removing them from the nozzle station
1. Return all nozzles in the nozzle station.
2. On the [Unit]-[Head] screen, press the [Nozzle. Stn Shutter] button to allow the nozzles to be removed from the
nozzle station, then remove each nozzle manually.
3. After checking and cleaning the nozzle, return the nozzle back in the nozzle station and press the [Nozzle. Stn Shutter]
button.

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Daily maintenance items
2. Cleaning the feeder plate
If any chip or foreign object falls onto the feeder plate, it may be caught in when setting the feeder, causing
the pickup position to deviate. Additionally, if a foreign object is caught in when setting the carriage, a
communication failure may occur. It is recommended to inspect and clean portions around the feeder plate
periodically.
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Cleaning with vacuum cleaner
1. Detach the feeder exchange carriage from the machine.
2. Suck up fine particle dust using a household vacuum cleaner.
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Cleaning with vacuum assembly
1. Connect the hose of the option vacuum assembly (KHY-M88V0-A0X) and the option air socket (KLW-M8803-00X),
and then connect it to the air connector on the left or right on the front of the machine.
2. Suck up fine particle dust using the vacuum assembly.
Connecting the vacuum assembly
Example: Connecting air connector on left side of machine front
Air socket
Air connector
Hose of vacuum assembly
53201-KMK-00