YRM20_Mainte_E.pdf - 第94页
3. 3-month maintenance items 3-27 Chapter 3 Periodic maintenance items 3.1.4 Inspecting shaft tips T he shaft tip section of HM head may get dirty due to the long-term use, so that they should be inspected periodically .…
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
3. 3-month maintenance items
3-28
Chapter 3 Periodic maintenance items
3.1.5 Checking the spline shaft Z-axis operation
This section describes how to check the operation of spline shaft Z-axis of HM head.
1
Move the head unit.
e
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.
2
Move up and down the spline shaft
Z-axis by pressing down the bottom of
joint block of spline shaft Z-axis with
finger. Check that no heaviness,
unsteady movement, or abnormal sound
compared to other spline shaft is found.
n
NOTE
Do not touch the shaft as the surface may get rusted if
lacking grease.
c
CAUTION
Fatal error may occur if operating a machine with
unsteady movement of spline shaft. Stop the machine in
this case and contact YAMAHA sales representatives.
3.1.6 Checking/cleaning around spline shaft
Check and clean the area around the spline shaft of head.
e
1
Move the head unit.
1. Press the emergency stop button and detach
the feeder exchange carriage.
2. Open the machine safety cover and move
the head unit forward.
2
Visually check around spline shaft that
no dust or dirt is found on the spline
shaft.
3
Clean the spline shaft when dust or dirt
is found, by wiping with a lint-free
paper or cotton swab.
c
CAUTION
Do not completely wipe off grease on spline shaft surface
as the surface may get rusted due to the lack of grease.
However, apply grease for anti-rust with the procedure on
next page if the grease is wiped off due to cleaning.
Checking Z-axis operation
Step 2
Press down with finger
Joint block
53333-KMX-00
Cleaning spline shaft
Step 3
Cotton swab
53334-KMX-00