YSM20R_YSM20WR_Mainte_E.pdf - 第104页

3-43 3 Periodic maintenance items 7 Blow air into the spline air path. 1. Prepare the air blow tool and connect it to the air connector on the left or right of the machine. 2. Cover the portion where the air hose has bee…

3-42

Periodic maintenance items

5.1.2 FM head

Return all nozzles to nozzle

station.

1. Open the [Unit] - [Head] screen.

2. Select desired 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.

NOTE

If the machine is not equipped with a nozzle station,

press the emergency stop button and then remove the

nozzles manually.

Move the head unit.

1. Press the emergency stop button and

then open the machine safety cover.

2. If the machine is carriage type, detach

carriage to easily access to the head unit.

3. Move the head unit to a convenient

position for maintenance work and

remove all nozzles.

Disconnect the air hose and remove

the cover.

1. Remove screws on front cover with hex

wrench (3) holding the cover to avoid

falling.

2. Disconnect the air hose from the top and

bottom joints.

NOTE

Disconnect air hose attaching to the front cover.

Remove the maintenance bolt and

joint.

Use a flat-head screwdriver or wrench to

remove the maintenance bolt and joint.

Make the preparations for cleaning.

1. Place a paper cup or cloth under the

head to be cleaned.

2. Fill the cleaning kit with ethanol.

Clean the inside of spline shaft.

1. Insert the nozzle of the cleaning kit into

the cleaning hole of the spline shaft.

2. Pour ethanol into the spline shaft air path

to clean away dust and grime

CAUTION

Be sure to insert the nozzle tip 25 mm or more. If the

nozzle tip is inserted insufﬁciently, ethanol may ﬂow into

the packing, etc.

Removing the front cover

Step 3

Rear side of front cover

Front cover

Tube holder

Cover clamp bolt

Joint

Air hose

53358-KMK-00

Removing maintenance bolt and joint

Step 4

Maintenance bolt

wrench

Joint

53359-KMK-00

Cleaning the spline

Step 6

Ethanol

Cleaning kit

25 mm

or more

53360-KMK-00

3-43

Periodic maintenance items

Blow air into the spline air path.

1. Prepare the air blow tool and connect it

to the air connector on the left or right of

the machine.

2. Cover the portion where the air hose has

been disconnected so that no air leaks,

and then blow the air into the inside of

the spline shaft.

3. Check that contaminant is no longer

discharged from the spline shaft tip.

NOTE

Repeat Step 6 and Step 7 until ethanol that ﬂows out

from the spline shaft becomes clean.

Return the head to its original

state.

1. Install the maintenance bolt.

2. Attach the joint.

3. Connect the air hose.

4. Attach the front cover.

Check the air hose position.

Check that the air hoses are not crossing

and the air hose marking position is aligning

with the bottom of the tube holder.

CAUTION

If the air hoses are attached incorrectly, they are pulled

or bent when the head is lowered. This may damage the

air hoses or parts

TIP

The air hose marking position is 80 mm from the lower

end of the hose.

NOTE

If removed nozzles manually from the head, return

them to the original position of the head.

Blowing the air path

Step 7

Air blow tool

Push this portion

with finger.

53361-KMK-00

Checking the air hose attaching state

Step 9

Do not cross air hoses.

Make sure that air hose marking position

is aligning with bottom of tube holder.

Front cover

Incorrect attachment of air hoses (when head is lowered)

Air hose damage by hitting

Bending of air hose

53362-KMK-00

3-44

Periodic maintenance items

5.2 Inspecting conveyor belt and cleaning guide

Inspect the conveyor belt for wear. As the belt wears away, slippages may occur that prevent securely

conveying the boards. It is therefore necessary to make periodic checks for wear of the conveyor belt.

Additionally, if belt wear debris accumulate on the light receiving surface of the conveyor sensor, troubles such

as incorrect board detection may occur. If belt wear debris accumulate in the belt guide or pulley periphery,

the belt may be fixed.

YSM20R/YSM20WR has following 4 types of conveyor. The position of tensioner (pulley bracket/pulley) and

belt tension standard are different among 3 types.

• YSM20R Dual-stage type

• YSM20R Single-lane type

• YSM20WR Dual-lane type

• YSM20WR Single-lane type (for transferring heavy board)

Change the conveyor width to a

convenient width for maintenance

work.

1. Press the [Width] button to display the

"Conveyor Width" screen.

2. In the "Target Width" box, enter a width

wide enough (about 200 mm) for using

tool (hex wrench) and press [OK] button.

The conveyor is changed to the specified

width.

Prepare for work.

1. Take off all accessories susceptible to the

magnetic fields, such as a wristwatch

and/or magnetic ID card.

2. Press the emergency stop button and

then open the machine safety cover.

3. If the machine is carriage type, detach

carriage to easily access to the conveyor.

4. Place a square cloth on the push-up

plate.

Detach the board clamp plates.

Use a hex wrench (3) to remove the 4 board

clamp bolts. Then remove the board clamp

plate.

CAUTION

Do not remove any bolts other than the 4 bolts shown in

the ﬁgure on the right.

Changing the conveyor width

Step 1

[Width] button Enter width that tool can be entered.

(about 200 mm)

54304-KMK-00

Detaching board clamp plate

Step 3

Board clamp plateMounting bolt

53363-KMK-00