YS100_Mainte_E - 第79页

3-14 3 Periodic maintenance items 2.2.2 Cleaning the FNC nozzle assembly 1 Disassemble the FNC nozzle assembly . Use the Phillips screwdriver (No.0 or No.00) to remove the nozzle mounting screws, and remove the nozzles a…

3-13

Periodic maintenance items

Remove the FNC nozzle assembly.

Pull the FNC nozzle assembly down to

remove it from the head.

53313-L1-00

CAUTION

Do not mix up the nozzle assemblies, bevel gears, and

shafts of the different heads. Keep them as the original

set for each FNC head.

Remove the FNC locate pin.

1. Loosen the set screw for stopper of the

locate pin cam with the special hex

wrench (0.7) or a hex wrench (0.7)

commercially available (Stop at the

position where the cam sinks).

53314-L1-00

2. Retract the locate pin cams fully in the

spline shaft while placing your hand

under the locate pin so that it will not be

pushed out by the internal spring. The

locate pin and spring then come out, so

take them out of the spline shaft.

53315-L1-00

Removing the FNC nozzle assembly

Step 6

FNC nozzle assembly

Loosening the set screw

Step 7-1

Dedicated hex wrench

Removing the locate pin and spring

Step 7-2

Remove the locate pin and spring.

3-14

Periodic maintenance items

2.2.2 Cleaning the FNC nozzle assembly

Disassemble the FNC nozzle

assembly.

Use the Phillips screwdriver (No.0 or No.00) to

remove the nozzle mounting screws, and

remove the nozzles and springs from the FNC

nozzle assembly.

53316-L1-00

CAUTION

The screwdriver bit size may slightly differ between

manufacturers. Use the screwdriver that matches the

recessed pattern on the screw head.

Take care not to lose the small spring inserted in the

spring-action nozzle.

Clean the parts with alcohol.

1. Soak the nozzle, spring, nozzle bracket,

nozzle block, bevel gear, and shaft in a

container filled with IPA or absolute

ethanol.

2. Leave them soaked for approx. 5

minutes.

NOTE

While there are soaked, perform the cleaning as

speciﬁed in Step 3.

CAUTION

Do not put the O-ring of the nozzle into alcohol. The

O-ring may stretch and become unusable when

immersed in alcohol.

Clean the nozzle shaft hole of the

FNC assembly.

While the parts are immersed in alcohol in

step 2, clean the index holder nozzle shaft

hole of the FNC heads as follows.

1. Clean the nozzle shaft hole with a cotton

swab moistened with alcohol and blow

air with an Air blow tool (option).

53317-L1-00

2. Brush the bevel gear of the index holder

with a toothbrush moistened with alcohol

and blow air with the Air blow tool.

53318-L1-00

CAUTION

Use lint-free cotton swabs that do not leave residue.

Disassembled FNC parts

Step 1

Nozzle bracket

Nozzle block

Spring

Nozzle tip

Type 211F

Type 212F

Type 213F

Type 211F

Type 212F

Type 213F

Cleaning the index holder nozzle shaft hole

Step 3-1

Index holder

Cotton swab moistened with alcohol

Cleaning the index holder nozzle shaft hole

Step 3-2

Clean the bevel gear with

a toothbrush moistened with alcohol

3-15

Periodic maintenance items

Blow air into the spline shaft.

Press the [Blow] button for each head on the

[Unit]-[Head] screen. The inside of the spline

shaft is then blown with air.

54303-L1-10

Take the parts out of the alcohol

container and clean them.

1. Clean the hole of the nozzle block by

passing the cleaning wire through it.

53320-L1-00

2. Clean the bevel gear, hole and surface

with a cleaning cloth, toothbrush and

cotton swab.

53321-L1-00

3. Clean the inside of the pinhole (air path)

in the middle of the bevel shaft by

passing the cleaning wire through it and

also wipe the shaft surface with a

cleaning cloth.

53322-L1-00

4. Clean other parts with cloth.

Blow air onto the cleaned parts.

Use the Air blow tool to blow air sufficiently

onto the cleaned parts.

Check that the nozzles were

cleaned.

• If the nozzle tip is still clogged, reclean it

with alcohol or cleaning wire (KV8-

M8883-A0X).

• If the nozzle tip is nicked or foreign

matter cannot be removed, replace the

nozzle with a new one.

Reassemble the FNC nozzles.

Put the nozzle parts back together.

CAUTION

Do not forget to insert the spring back in place.

Cleaning the nozzle block

Step 5-1

Nozzle block

Cleaning wire

Cleaning the bevel gear

Step 5-2

Bevel gear

Clean the bevel bear hole

with cotton swab

Cleaning the bevel gear shaft

Step 5-3

Bevel gear shaft

Clean the air path hole

in the middle of shaft.

Step 4

Blowing airinto spline shaft

[Blow] button