YSM40 Mainte_E.pdf - 第72页
3-4 3 Periodic maintenance items n HS head T oreplacealeafspringoftheHShead,removetherotarywiththeprocedurebelow . Whenthemachineisequippedwithanozzlestation,returnallnozzlestothenozzlesta…
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Periodic maintenance items
1.1.3 Replacing nozzle leaf springs
Thenozzleleafspring(hereafterreferredtosimplyas"leafspring")replacementprocedureisgivenbelow.
n
MU head
e
1
Remove the nozzle.
Remove (by hand) the nozzle where the leaf
spring is to be replaced.
n
NOTE
When the machine is equipped with a nozzle station,
return all nozzles to the nozzle station.
2
Remove the leaf springs.
While pressing the shaft from the rear, use a
precision Phillips screwdriver to remove the
screw, then remove the leaf spring from the
nozzle holder.
53306-N5-00
c
3
Install the new leaf spring.
With the leaf springs kept pushed upward,
tighten the screw with the Phillips precision
screwdriver to assemble the leaf spring.
53307-N5-00
c
Always attach the leaf springs so that they become
parallel.
4
Reattach the nozzle.
5
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 several times to check that there
is no looseness.
c
return all nozzles to the nozzle station.
Removing the leaf spring
Step 2
Precision screwdriver
Leaf spring to be replaced
Installing the new leaf spring
Step 3
New leaf spring and
mounting screw
While pressing the leaf spring
upward, tighten the mounting screw.
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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
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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
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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)