2500_Users_Manual- - 第244页

Repair and Replacement Procedures Replacing the PE Power Supply If the programming electronics power supply fails, follow the steps below to replace it. 1. Turn off the 2500 and remove the power cord. 2. Disconnect the t…

2312-1

AIR CYLINDER NUT

AIR CYLINDER

Repair

and

Replacement

Procedures

Figure

7-15

Removing

the

Air

Cylinder

Solenoid

Replacement

This

procedure

describes

the

steps

required

to

remove

and

replace

a

solenoid.

You

can

use

this

procedure

to

replace

any

of

the

solenoids

in

the

2500.

Replacing

a

Solenoid

If

a

solenoid

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

Disconnect

the

source

air

line

and

the

input

air

line

from

the

2500

(as

described

on

page

2-6).

3.

Disconnect

the

signal

cable

from

the

solenoid.

4.

Use

a

small

Phillips

screwdriver

to

remove

the

two

screws

that

connect

the

solenoid

to

the

manifold.

Note:

As

you

remove

the

solenoid,

make

sure

you

don't

drop

or

lose

the

gasket

that

is

mounted

between

the

solenoid

and

the

manifold.

5.

When

you

install

the

new

solenoid

on

the

manifold,

make

sure

the

gasket

stays

in

place

between

the

solenoid

and

the

manifold,

then

reconnect

the

signal

cable.

Power

Supply

Replacement

These

procedures

describe

the

steps

required

to

remove

and

replace

a

failed

power

supply.

ProMaster

2500

User

Manual

7-19

Repair

and

Replacement

Procedures

Replacing

the

PE

Power

Supply

If

the

programming

electronics

power

supply

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

Disconnect

the

two

cable

connectors.

3.

Remove

the

four

1/4-inch

hex

nuts

at

the

corners

of

the

assembly.

4.

Carefully

lift

out

the

PE

power

supply

assembly.

5.

Install

the

new

PE

power

supply

and

reconnect

the

cables.

Replacing

the

Toroid

Transformer

If

the

Toroid

transformer

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

Disconnect

the

two

cable

connectors

JI

and

J3.

3.

Remove

the

single

3/16-inch

hex

mounting

screw.

4.

The

Toroid

transformer

is

heavy;

lift

it

out

carefully.

5.

Install

the

new

Toroid

transformer

and

reconnect

the

cables.

Replacing

the

Toroid

PCB

If

the

Toroid

PCB

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

Disconnect

the

four

cables

in

connectors

J-l

through

J-4.

3.

Remove

the

four

1/4-inch

hex

nuts

at

the

corners

of

the

board.

4.

Hold

the

edges

of

the

board,

do

not

touch

the

capacitors,

and

lift

the

board

straight

up.

You

may

damage

the

capacitors

if

you

apply

pressure

to

them.

5.

Install

the

new

Toroid

PCB

power

supply

board

and

reconnect

the

cables.

6.

Check

the

voltage

selection

switch.

Replacing

the

Controller

Power

Supply

If

the

controller

power

supply

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

Disconnect

the

two

cable

connectors.

3.

Remove

the

four

1/4-inch

hex

nuts

at

the

corners

of

the

board.

4.

Carefully

lift

out

the

controller

power

supply

board.

5.

Install

the

new

controller

power

supply

and

reconnect

the

cables.

6.

Check

the

voltage

selection

jumper.

7-20

ProMaster

2500

User

Manual

Repair

and

Replacement

Procedures

Replacing

the

Labeler

Power

Supply

If

the

labeler

power

supply

fails,

follow

the

steps

below

to

replace

it.

Be

sure

to

note

the

direction

of

rotation

before

you

remove

the

fan

so

that

you

can

reinstall

it

correctly.

1.

2.

Turn

off

the

2500

and

remove

the

power

cord.

Disconnect

the

three

AC

input

cables

on

the

right

side

of

the

power

supply

assembly.

3.

Disconnect

the

two

output

cables

on

the

left

side

of

the

power

supply

assembly.

4.

Use

a

3/32-inch

hex

wrench

to

remove

the

two

mounting

screws

from

the

back

panel

of

the

2500.

5.

6.

Carefully

lift

out

the

labeler

power

supply

assembly.

Install

the

new

labeler

power

supply

assembly,

reconnect

the

cables,

and

reinstall

the

mounting

screws.

System

Fan

Replacement

This

procedure

describes

the

steps

required

to

remove

and

replace

the

system

fan.

Replacing

the

System

Fan

If

the

system

fan

fails,

follow

the

steps

below

to

replace

it.

1.

2.

3.

4.

Turn

off

the

2500

and

remove

the

power

cord.

Remove

the

four

7/64-inch

hex

screws.

Carefully

lift

out

the

system

fan.

Install

the

new

system

fan

and

reconnect

the

power

cable.

Controller

Board

Replacement

This

procedure

describes

the

steps

required

to

remove

and

replace

the

controller

board.

Replacing

the

Controller

Board

If

the

controller

board

fails,

follow

the

steps

below

to

replace

it.

Make

sure

you

observe

all

static

safety

precautions.

1.

2.

Turn

off

the

2500

and

remove

the

power

cord.

Note

the

positions

and

polarities

of

all

of

the

cables

connected

to

the

controller

board

before

you

disconnect

any

of

the

cable

connectors.

3.

Disconnect

all

of

the

cable

connectors.

ProMaster

2500

User

Manual

7-21