SP08.pdf - 第14页

INSPECTION AND REPLACEMENTS Electric Motor Carbon Brushes Inspection Tools Required: 1x Pozidrive screw driver medium 1x Pozidrive screw driver small 1x Flat-bladed Screw driver small 1. Isolate the unit from the machine…

MAINTENANCE CHECKS

Suction Hose Tools required: None

1. Ensure that the suction hose is fitted securely to the outlet on the DEK

printing machine and has not suffered any distortion or breakage.

2. Ensure that the suction hose is securely fitted to vacuum and filtration unit.

3. Replace if necessary.

NOTE:

Replacement hoses and ends are available as spares.

Replacing the

Hose Ends

1. Firmly grip the suction hose with one hand and hold the hose steady.

2. Firmly grasp the cuff ends with the other hand and unscrew with a snap

action in a clockwise direction to break the seal.

3. Before replacing the new cuff end, apply a small amount of adhesive on the

1st two threads of the hose and screw on the new cuff in an anti-clockwise

direction.

4. It is recommended that the adhesive is left to set for a period of 1 hour before

use.

Issue 3. Nov 00 DEK Printing Machines Ltd 11

DEK VACUUM AND FILTRATION UNIT SP08

MAINTENANCE CHECKS

INSPECTION AND REPLACEMENTS

Electric Motor Carbon Brushes

Inspection Tools Required: 1x Pozidrive screw driver medium

1x Pozidrive screw driver small

1x Flat-bladed Screw driver small

1. Isolate the unit from the machine supplies and mains power.

2. Identify the 3 pan head screws at the top of the rear panel and remove them.

3. Remove the top cover by lifting it from the rear and sliding to the front of the

unit.

4. Disconnect the motor supply IEC connection from the electrical enclosure,

pivot the electrical enclosure to give full access to the top of the unit.

5. Remove the “Air Out” flexible hose from the exhaust positioned in the rear

right-hand corner, this requires a firm twist and pull to remove the hose.

6. The motor enclosure may now be lifted clear of the vacuum unit and placed

on a work surface.

7. Removal of the motor enclosure exposes the third stage filter ozone filter and

pre-filter should these need checking or replacement.

12 DEK Printing Machines Ltd Issue 3. Nov 00

DEK VACUUM AND FILTRATION UNIT SP08

INSPECTION AND REPLACEMENTS

IEC Cover

Electrical Enclosure

Exhaust Silencer

Air Out Hose

Figure 4 Vacuum Motor Components

8. Remove the “Air Out” flexible hose from the motor enclosure, this allows

the top cover of the motor enclosure to be removed exposing the motors.

9. Remove the spring clip from the brushes, remove the black cover from each

motor.

10. Remove the bracket from each brush, disconnect the electrical connection

and remove each brush housing.

Issue 3. Nov 00 DEK Printing Machines Ltd 13

DEK VACUUM AND FILTRATION UNIT SP08

INSPECTION AND REPLACEMENTS

Plastic Motor Cover

Figure 5 Motor Cover

Spring Clips

Brushes

Figure 6 Spring Clips and Brushes