OM-1352-003_w.pdf - 第66页

8-1 Tg1357-ID-SO 8. Maintenance 8.1 Precautionary Items before Maintenance This session describes how to perform inspections, cleaning, lubrication, and adjustment to keep the ﬂux dispensing units in good shape. It is re…

7-2

Tg1357-ID-SO

0703-003

9.5

523.0

PCB Positioning

Upper Surface

Dispensing Reference

Surface

Squeegee

Drum (Ratational Disk)

Flux Dispensing Unit

Stage Center

Reference

Dispensing Reference Surface

Flux (Coating Pressure: 10 to 100

�m)

Dispensing Level

Component

Thickness (t)

Nozzle Length

At the time of component dipping

Dispensing Position

Fig.34

Table 5

Name Details

Height from Upper Surface of PCB 9.5 mm

+ Feeder Offset (A) L

+ Offset L in Flux Dispensing Unit

- Component Thickness

+ Dispensing Level

7. Offsets

8-1

Tg1357-ID-SO

8. Maintenance

8.1 Precautionary Items before Maintenance

This session describes how to perform inspections, cleaning, lubrication, and

adjustment to keep the ﬂux dispensing units in good shape.

It is recommended that periodic maintenance of the ﬂux dispensing units

should be ensured.

CAUTION

Only a well-trained service person should perform maintenance

tasks carefully through the speciﬁed procedures.

8.2 Preparation for Maintenance

Required Items for Cleaning and Lubrication

• Rag

Use a rag made of such material as cotton, etc., that produces as less

waste thread as possible.

Notice

Remaining waste thread may cause the ﬂux dispensing unit to

break down.

• Alcohol

Do not use alcohol for any spots other than the speciﬁed ones.

0703-003

8. Maintenance

8-2

Tg1357-ID-SO

0703-003

8.3 Maintenance Method

8.3.1 Understanding of Maintenance Items on Each Section

Clariﬁed in this session are the spots of the ﬂux dispensing units to be

maintained periodically.

View of Inspection, Cleaning, Lubrication, and Adjustment Spots

Every Day Cleaning

Required Time: 3 minutes

Squeegee

Remove two screws from the acrylic

cover, detach the cover, and wipe off

flux accumulated on the squeegee

with a rag soaked in alcohol.

After the cleaning is completed,

attach the acrylic cover and tighten

the two screws.

Be sure to attach the acrylic

cover back in place after the

cleaning.

[1] [2]

[3]

Fig. 35

[1]: Maintenance Spot

[2]: Cycle and Contents of Maintenance

[3]: Details of Maintenance