YRM20_Mainte_E.pdf - 第93页

3. 3-month maintenance items 3-26 Chapter 3 Periodic maintenance items 5 Oper ate the cle aning blo w valve . 1. Open t he [Unit] - [I/ O] screen. 2. Select "Head " from the pull-down list of the "Output&q…

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3. 3-month maintenance items
3-25
Chapter 3 Periodic maintenance items
3.1.3 Checking the operation of each valve of head
This section describes the procedure of checking the operation of the blow valve and the cleaning blow
valve of head unit. The head unit is installed 2 types of valves, one is the blow valve blowing by each
shingle head, and the other is the cleaning blow valve blowing powerfully to clean up inside of shaft.
When the valve motion error occurs, it needs to be replaced. See Chapter 5, "3.1 HM head: Replacing the
valves"
c
CAUTION
The cleaning blow exhausts powerful air. The nozzle attached to the head should be detached upon performing the
cleaning blow. If the cleaning blow is performed with the nozzle attached, the nozzle may drop off from head and may be
damaged or lost.
1
Detach all the nozzles from the heads.
When the nozzle station is equipped.
1. Open the [Unit] - [Head] screen.
2. Select any head unit from "Table Select".
3. Press the [Nozzle Change] button. Select
"ALL" for "Head Number" and select "Store
Nozzle" for "Nozzle Type" on the "Nozzle
Change" screen.
4. Press the [OK] button to return all nozzles to
the nozzle station.
n
NOTE
When the machine does not equip the nozzle station,
open the machine safety cover and detach the nozzles by
hand.
e
2
Move the head unit to machine front
side.
1. Press the emergency stop button and detach
the feeder exchange carriage.
2. Open the machine safety cover and move
the head unit to convenient position to work.
3
Blow each head by opening the [Unit]
- [Head] screen and pressing the [Blow]
buttons of all the heads.
4
Check the condition of blowing by
placing your hand beneath the each
head to check that all the heads exhaust
air evenly. When a head exhausts less air
than the others or does not, the valve
replacement is required. See "3.1
HM head: Replacing the valves" in
Chapter 5 to replace the valve.
Storing nozzle
Step 1
Select “ALL” for Head Number, “Store Nozzle”for Nozzle Type
[Nozzle Change] button
Table Select
54313-KMX-00
Checking the blow operation
Step 3,4
Press the [Blow] button of each head
Check the air blow
54314-KMX-00
3. 3-month maintenance items
3-26
Chapter 3 Periodic maintenance items
5
Operate the cleaning blow valve.
1. Open the [Unit] - [I/O] screen.
2. Select "Head" from the pull-down list of the
"Output" side.
3. Select the address of cleaning blow valve.
Address for the cleaning valve
Table A: T1301704
Table B: T1305704
When the address is selected, the contents
of selected address appears at lower left of
screen to be confirmed.
4. Recheck that all the nozzles of target head
unit are detached.
5. Press the [ON/OFF] button once and the
cleaning blow valve operates. (address
changes 0 to 1)
c
CAUTION
Recheck that all the nozzles attached to the target head
unit are detached before operating the cleaning blow
valve.
If the cleaning blow is performed with the nozzle attached,
the nozzle may drop off from head and may be damaged
or lost.
6
Check the condition of cleaning blow
valve.
1. Check that the more powerful air is
exhausted from all the head than that
checked before by placing your hand
beneath the each head.
2. Press the [ON/OFF] button at the [Unit] - [I/
O] screen again. The appeared address
changes 1 to 0 and the cleaning blow
valves close.
3. Check that the air exhausted from head
decreases.
When the air exhausted from the head does not
change even the cleaning blow valves are
operated, the replacement of cleaning blow
valve is required.
See "3.1 HM head: Replacing the valves" in
Chapter 5 to replace the valve.
c
CAUTION
Be sure to wear the protective goggles as the cleaning
blow air may blow on your face.
7
Stop the blowing operation by pressing
the [blow] buttons of all the head at the
[Unit] - [Head] screen.
8
Return the nozzles to their original
position.
When the nozzles are detached by hand,
return each nozzle to the head from which it
was detached.
Step 5,6
[ON/OFF] button
Example : T1301704
Address
T130170
T230170
Type
Head
Head
7 6 5 4
0
0
3
0
0
2
0
0
1
0
0
0
0
0
Checking the blow operation
Select “Head” of Output field
Select Address
Displays address contents
Checking cleaning blow
54315-KMX-00
3. 3-month maintenance items
3-27
Chapter 3 Periodic maintenance items
3.1.4 Inspecting shaft tips
The shaft tip section of HM head may get dirty due to the long-term use, so that they should be inspected
periodically.
1
Detach all the nozzles from head.
When a nozzle station is equipped.
1. Open the [Unit] - [Head] screen.
2. Select any head unit from "Table Select".
3. Press the [Nozzle Change] button.
4. Select "ALL" for "Head Number" and select
"Store Nozzle" for "Nozzle Type" on the
"Nozzle Change" screen.
5. Press the [OK] button to return all nozzles to
the nozzle station.
n
NOTE
When the nozzle station is not equipped, open the
machine safety cover and detach the nozzles by hand.
e
2
Move the head unit to machine front
side.
1. Press the emergency stop button and detach
the feeder exchange carriage.
2. Open the machine safety cover and move
the head unit to convenient position to work.
3
Check the shaft tips visually for all the
heads using a hand mirror or the similar.
TIP
When the shaft tips are soiled, clean them up referring to
"5.4 HM head: cleaning the shaft tip" described below.
4
Return the nozzles to their removed
positions if they are removed by hand
from heads.
Storing nozzle
Step 1
Select “ALL” for Head Number, “Store Nozzle”for Nozzle Type
[Nozzle Change] button
Table Select
54313-KMX-00
Checking the shaft tips
Step 3
Hand mirror
53398-KMX-00