YC8_Mainte_E.pdf - 第85页
5-1 5 How to replace consumable parts 1. Nozzle leaf springs and roller lock As a result of the inspection stated in section 1.1.3, "Inspecting the nozzle holding force", in Chapter 3, if a problem is found, it…
Chapter 5 How to replace consumable parts
Contents
1. Nozzle leaf springs and roller lock 5-1
1.1 Replacing the nozzle leaf springs 5-1
1.2 Replacing the roller lock 5-2
3
3
4
2.3 Replacing the cleaning blow valve 5-5
3. Conveyor belt 5-6
5-1
5
How to replace consumable parts
1. Nozzle leaf springs and roller lock
As a result of the inspection stated in section 1.1.3, "Inspecting the nozzle holding force", in Chapter 3, if a
problem is found, it is necessary to replace the nozzle leaf springs or roller lock.
The following describes how to replace the nozzle leaf springs and roller lock.
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Required tools
• Hex wrench (1.5mm)
• Slotted (flat-blade) screwdriver
• Square cloth
• Replacement parts (See 2.1.1 “Consumable parts and replaceable parts (for repairs)” in Chapter 1.
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NOTE
Before beginning the work, put a square cloth directly under the head to prevent any parts from being lost or
dropping into other sections and causing trouble.
1.1 Replacing the nozzle leaf springs
e
1
Remove the nozzle.
Press the emergency stop button and
remove the nozzle.
2
Remove the leaf springs.
Use a hex wrench to remove the mounting
screws. The leaf springs and nozzle arm ASSY
are then removed.
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NOTE
A washer is placed between the mounting screw and
leaf spring. Be careful not to lose it.
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3
Attach new leaf springs.
Replace the leaf springs with new ones. With
the leaf springs and nozzle arm ASSY kept
pushed upward using a hex wrench,
reattach them.
Be careful not to forget to attach the
washer.
4
Check the attached condition.
1. Check that there is no gap between the
leaf springs and roller.
2. Attempt detaching and attaching the
nozzle several times to check that there
is no looseness.
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Removing the leaf springs
Step 2
Mounting screw
Leaf spring
Washer
Nozzle arm ASSY
Checking the attached condition
Step 4
Attach with the leaf
springs and nozzle arm
ASSY kept pushed upward.
Check that there is no gap
between the leaf springs
and roller.
5-2
5
How to replace consumable parts
1.2 Replacing the roller lock
1
Remove the nozzle arm ASSY.
Use a hex wrench to remove the mounting
screws. The leaf springs and nozzle arm ASSY
are then removed.
c
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2
Attach a new nozzle arm ASSY.
Attach the nozzle arm ASSY while pushing
the leaf spring upward with the hex wrench.
Be careful not to forget to attach the
washer.
3
Check the attached condition.
1. Check that there is no gap between the
leaf springs and roller.
2. Attempt detaching and attaching the
nozzle several times to check that there
is no looseness.
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Replacing only the roller
The following describes how to replace only the roller
after the nozzle arm ASSY has been removed.
1
Remove the circlip.
As shown in the figure on the right, push the
top end of the circlip of the roller with a
slotted screwdriver to remove it.
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2
Remove the roller.
Pull out the shaft to remove the roller to be
replaced.
3
Attach a new roller.
Insert the shaft into a new roller as shown in
the figure on the right.
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4
Attach the circlip.
Attach the circlip with a slotted screwdriver
as shown in the figure on the right.
Removing the nozzle arm ASSY
Step 1
Leaf spring
Nozzle arm ASSY
Mounting screw
Washer
Removing the circlip.
Step 1
Shaft
Circlip
Roller
Attaching a new roller
Step 3
Shaft
New roller