2500_Users_Manual-.pdf - 第243页

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 …

Repair

and

Replacement

Procedures

Replacing

the

Programming

Module

Clamp

Air

Cylinder

If

the

programming

module

clamp

air

cylinder

fails,

follow

the

steps

below

to

replace

it.

1.

Turn

off

the

2500

and

remove

the

power

cord.

2.

From

above

the

main

plate,

remove

four

of

the

six

7/64-inch

hex

screws

(two

front

ones

and

two

back

ones)

holding

the

programming

module

clamp

assembly

to

the

main

plate.

3.

Holding

the

PE

from

the

bottom

(below

the

main

plate),

remove

the

other

two

screws.

Lower

the

programming

module

clamp

assembly

and

let

it

rest

on

the

black

protective

shield.

4.

Remove

the

two

blue

and

two

red

air

lines

from

the

four

quick

connects,

noting

their

positions

for

reinstallation.

5.

Remove

the

retaining

bar.

This

bar

holds

the

programming

electronics

assembly

in

place

on

the

underside

of

the

main

plate.

Use

a

7/64-inch

hex

wrench

to

remove

the

two

hex

screws

that

hold

the

bar

in

place.

Set

them

in

a

safe

place

to

use

when

you

reinstall

the

assembly.

6.

Use

a

wrench

to

remove

the

air

cylinder

nut,

then

pull

the

air

cylinder

away

from

the

programming

module

clamp

assembly.

7.

Install

the

new

air

cylinder.

8.

Ensure

that

the

clamps

pull

back

far

enough

to

clear

the

inside

wall

when

retracted.

If

not,

loosen

the

locking

nut

attaching

the

cylinder

shaft

to

the

back

of

the

clamp.

Using

a

small

pair

of

needle-nose

pliers,

turn

the

shaft

further

into

the

clamp.

Tighten

the

locking

nut

when

the

clamps

pull

back

far

enough.

9.

Reinstall

all

of

the

removed

components.

10.

Reinstall

the

programming

module

clamp

assembly

and

reconnect

the

air

lines.

7-18

ProMaster

2500

User

Manual

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