YSM40 Mainte_E - 第73页
3-5 3 Periodic maintenance items 5 Replace the leaf spring. 1. Use a Phillips precision screwdriver to remove the leaf spring mounting screw and detach the leaf spring. 2. Insert the nozzle leaf spring mount tool for HS …
3-4
3
Periodic maintenance items
n
HS head
ToreplacealeafspringoftheHShead,removetherotarywiththeprocedurebelow.
Whenthemachineisequippedwithanozzlestation,returnallnozzlestothenozzlestationbeforestartingthe
replacement.
e
1
Remove the spring holder.
1. While pressing up the spring holder shown
in the figure at right, turn it to the right.
2. Remove the spring holder and the spring.
53311-N5-10
2
Remove the rotary.
Pull out the rotary from the head unit.
53312-N5-10
c
view lighting unit and other parts.
can easily return it in the original position after
cleaning.
3
Remove the mount block.
With the spring held down as shown in the
figure at right, turn the mount block 90
degrees and pull it out upward.
533F3-N5-00
c
To prevent the spring and mount block from falling out
the spring during removal of the mount block.
4
Pull out the nozzle shafts and
springs.
Pull out all nozzle shafts and springs from the
main holder.
Removing the spring holder
Step 1
Spring holder
Spring
Removing the rotary
Step 2
Rotary
Main shaft
Step 3
Hold down the spring
Spring
Turn 90 degrees
Main holder
Nozzle shaft
Mount block
Removing the mount block
3-5
3
Periodic maintenance items
5
Replace the leaf spring.
1. Use a Phillips precision screwdriver to
remove the leaf spring mounting screw
and detach the leaf spring.
2. Insert the nozzle leaf spring mount tool
for HS head (hereafter called the “tool”)
into the shaft and secure a new leaf
spring temporarily.
3. Match the leaf spring to the keyway and
secure it while pushing the tool against
the wall.
53313-N5-10
n
NOTE
Push the tool against the wall in a stationary and stable
place.
6
Check that the nozzle is held
securely.
1. Insert the nozzle in place and check that
there is no gap between the leaf spring
and the nozzle.
2. Attempt detaching and attaching the
nozzle by hand several times to check
that there is no looseness.
c
return all nozzles to the nozzle station.
7
Insert the nozzle shafts into the
main holder.
A serial number is marked on the main
holder.
Starting from the position to the right of the
serial number marking, insert each nozzle
shaft into place in the order of numbers (1, 2,
3 …) as marked on the leaf spring
53330-N5-10
TIP
Shaft number order of each head
Head 1: 1, 2, 3, and so on
Head 2: 9, 10, 11, and so on
Head 3: 17, 18, 19, and so on
c
position.
If the rank marking on the main holder does not match
operation or mounting accuracy failure.
Attaching the leaf spring
Step 5
Leaf
spring
Leaf spring mounting screw
Nozzle leaf spring mount tool
for HS head
Wall
Do not produce
any clearance.
Step 7
Rank marking
Rank marking
Inserting nozzle shafts
Head 2
Head 8
Serial number
(marking)
Leaf spring
(Head number marking)
3-6
3
Periodic maintenance items
8
Secure the nozzle shaft.
Install the spring and mount block, and then
secure the nozzle shaft.
9
Change the orientation of the
keyway in the main shaft.
Use the rotary head attach/detach tool to
turn the keyway so that it directly faces this
machine. (The keyway in the main shaft is
located at twelve o'clock position when
viewed from the lower portion.)
533C1-N5-00
0
Install the rotary head attach/
detach tool.
Insert the rotary head attach/detach tool
into the rotary while aligning its keyway with
the rotary’s pin. The “F” side of the tool
should be positioned between the first and
last heads.
533C2-N5-00
q
Insert the rotary onto the main
shaft.
Align the “F” side of the rotary head attach/
detach tool with the keyway in the main
shaft, and then insert the rotary onto the
main shaft.
533C3-N5-00
w
Pull out the rotary head attach/
detach tool.
e
Reattach the spring holder.
Reverse step 1 to reattach the spring holder.
r
Make sure the rotary is properly
installed.
Turn the rotary by hand one turn to the right
and one turn to the left. If the rotary does
not turn smoothly, then pull it out again.
Check the position of the mount block and
reinstall the rotary using the same procedure
from step 9.
Changing the main shaft orientation
Step 9
Main shaft keyway
Rotary head attach/detach tool
Installing the tool
Step 10
Pin
First head
Last head
Keyway
Installing the rotary
Step 11
Main shaft keyway
“F” marking