YRM20_Mainte_E.pdf - 第53页
Before maintenance work 2-2 Chapter 2 Daily maintenance items Maintaining head unit When maintaining 2-beam head units, move the front head unit to rear and mo ve the rear head unit to front to easily access to the head …
Before maintenance work
2-1
Chapter 2 Daily maintenance items
Before maintenance work
In most cases, maintenance should be performed after powering off the machine.
However, some maintenance tasks are performed under emergency stop conditions with the power turned
on.
In such cases, ensure adequate safety and press the emergency stop before beginning the maintenance.
Power on the machine during maintenance where any servo-axis must be operated or machine operation
checked. In this case, also ensure adequate safety before beginning the maintenance.
When operating the machine, make sure the following conditions are met.
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Operating condition
1. Supply air pressure is kept at correct pressure.
2. All safety covers are closed.
3. All feeder exchange carriages are clamped.
4. Nozzles and other units are attached in place.
n
NOTE
The description "Cancel the emergency stop" is in the procedures of this manual. It means "rotating the emergency stop
button to release and pressing the [Ready] button to turn the servo on".
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When performing the inspection and maintenance work, strictly observe the cautions
shown below.
• Periodic inspections and maintenance work must be performed by or under the control of a person
who has received training from YAMAHA or an authorized YAMAHA sales representative.
• Always power off the mounter before inspecting mechanical parts. Make sure that a part of human
body is not within the moving range of each axis when inspecting or maintaining the machine.
• Do not allow foreign objects to enter during inspection or maintenance.
• Use only the lubricants and greases specified by YAMAHA or YAMAHA sales representatives.
• When the machine needs to be replaced the parts, use parts approved by YAMAHA or YAMAHA
sales representatives.
• Do not modify the machine or the parts. Any modifications made by the customer may deviate from
the normal specifications and may interfere with safety assurance.
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When performing the replacement of consumable parts, strictly observe the cautions
shown below.
• Replacement of consumable parts must be performed by or under the control of a person who has
received training from YAMAHA or an authorized YAMAHA sales representative.
• When performing the replacement of consumable parts, always press the emergency stop button.
• Do not allow foreign objects to enter during the parts replacement.
• Use only the replaceable parts specified by YAMAHA or YAMAHA sales representatives.
• Do not modify the machine or the parts. Any modifications made by the customer may deviate from
the normal specifications and may interfere with safety assurance.
Before maintenance work
2-2
Chapter 2 Daily maintenance items
Maintaining head unit
When maintaining 2-beam head units, move the front head unit to rear and move the rear head unit to front
to easily access to the head unit.
Head unit
Maintaining head units
Maintaining rear head unit Maintaining front head unit
Move head unit
Move head unit
↓ Machine front
53204-KMX-00
n
NOTE
The [Head Pos. Front] and [Head Pos. Rear] buttons on "Setup" screen are convenient to move head units.
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Attaching/Detaching nozzle manually to RM head
Attaching nozzle to RM head
Notch
Rotate 90°
1. Check the notch position of nozzle and insert to shaft.
2. Rotate nozzle 90° while pressing against.
*Perform reverse procedures to detach nozzle.
53207-KMX-00
Before maintenance work
2-3
Chapter 2 Daily maintenance items
Attaching/Detaching upper cover
Upper cover is detached upon setting-up machine or maintenance work.
The following describes the procedure of attaching/detaching upper cover.
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Detaching upper cover
1. Open the machine safety cover.
2. Pull frontward the cover locks located at both sides of upper cover.
3. Open the upper cover 30 degrees upward by hand.
4. Pull out front-and-upward while supporting the upper cover with both hands.
Detaching upper cover
Pull out front-and-upward
Approx. 30 deg.
Upper cover
Cover lock
Cover lock
53208-KMX-00