Gardner Denver GD150 Manuale utente

vice

Instru

ction

Man

ual

GD150

ROTARY

VANE

COMPRESSOR

4990716000

November 25, 2014

Page 2

Contents

Chapter

Page

1 Health

Saf

Health

Safety

Issues

.......................................................................................................................................................

ener

2.1

Identification..................................................................................................................4

2.2

Precautions........................................................................................4

2.3

Inspections

........................................................................................4

3 Blade

eplac

emen

3.1 Blade

Removal

....................................................................................5

3.2 Blade

Replacement

............................................................................6

4 Sideplate

ssemblies

4.1

Removing

the Drive

Coupling

..............................................................7

4.2 Cowl

Removal

.....................................................................................8

4.3 Fan

Removal.......................................................................................8

4.4

Sideplate Removal

............................................................................9

4.5

Bearing and/or

Seal

Removal

............................................................10

4.6

Sideplate Re-assembly

....................................................................12

Assembly

5.1

Removing

the Rotor

Assembly

...........................................................15

5.2

Bearing Inners

...................................................................................15

5.3 Refitting the Rotor

Assembly

................................................................16

6 Setting

Clear

ances

6.1 Free

Movement

Check

.......................................................................17

6.2

Establishing

Shim Pack Size

...............................................................17

6.3

Checking

Side Plate

Clearance

..........................................................18

6.4

Checking

the ‘Float’

............................................................................18

echnical

Data

.....................................................................................19

eplac

emen

parts ...................................................................20

-21

Compressor parts...................................................................................22-23

One

screw

each bearing housing

cap

and

Side plate

is fitted with a lead plug.

Removal of

these

will

invalidate

the

warranty

if the

machine is

still within that

period.

Page 3

Health

& Safety

SERVICING.

READ THE WHOLE MANUAL BEFORE COMMENCING AN

ENSURE THE DRIVE TO THE MACHINE CANNOT BE

ENGAGED

WHILST SERVICING IS IN

PROGRESS

Static

elec

icit

Ensure,

that

where required,

the

compressor

and

ancillaries

are

earthed

accordance

with BS5958 Part 1 1983; ‘Control of

Undesirable Static

Electricity’.

Powder-air combinations

are

potentially explosive.

Drive

line

It is the

responsibility

of the

installer

of the

equipment

ensure

that

all

Rotating

and

moving parts

of the

installation

are

adequately guarded

a standard

which

complies

with the

prevailing safety legislation.

ompressor

The

compressor

has

internal moving parts, some

of which may be

accessed

Through

the inlet and

outlet apertures.

Do not

place

any

objects especially

fingers

into

these apertures since personal

injury

could result.

nstallation.

A relief valve

must

be fitted in the

outlet

pipe work as

the

compressor

possible.

The valve

must

positioned

so as not to vent

air

on to

any

personnel since

the air

discharged

will be hot and can

cause

severe burns.

vic

The

compressor

and

other installed components

may

contain accumulated

dust. Appropriate respiratory protection

recommended

in line with

normal

safe

working

practices.

The

compressor includes seals made

fluoroelastomer polymers which

degrade

exposed

temperatures above

300°C. If the

material

has

been

exposed then

must

not be

handled

with

bare hands.

Relief

alv

Check

This

procedure should

carried

out

every month

to clear the valve

seat and

check

the valve is

functional.

(Ear

protection

recommended). Function of

the relief valve

should always

checked

after

major servicing.

accordance

with our policy of

continuous product improvement, Gardner Denver

Drum reserve

the right to alter

details

and

specifications without notice.

Page 4

General

2.1

Iden

tiﬁca

tion

The

body number

of the

machine

shown

on the

body number

label,

attached

to the

machine.

Body

numbers

are also

stamped along

one of the

compressor body

corners/

edges

next to the

‘T’

(Tested)

stamp.

The

suction

delivery ports

and the

direction

rotation

are clearly

marked

permit

the

orientation

to be

identified.

CAUTION

Oil,

grease

or dirt

must

not

allowed

enter

the

internals

of the

machine.

2.2

ecautions

The

exterior

of the

machine

and

ancillaries should

steam cleaned

prior

removal

from the

vehicle

and /or

before commencement

of any

dismantling.

All

mating parts should

marked during dismantling

ensure correct re-assembly.

2.3

nspection

(prior to servicing)

Excessive

radial

movement

of the

machine

drive shaft

indicates bearing

wear,

with the

result

that the

rotor

may

have damaged

the

bore

of the

body

or the

faces

of the

side

plates.

If this is the

case,

the

machine should

returned

to the

Gardner Denver

Drum

representatives

for

examination

and

possible refurbishing.

See installation, operating

maintenance

instructions

check

the

blade wear status.

Page 5

Blade

eplacement

blade replacement

necessary

due to

product ingress

blade

breakage, remove both

side

plates (described

section

4) and the rotor

assembly (as

described

section

5) and

thoroughly clean

the

body

and

rotor.

Routine blade replacement

can

normally

under taken

removal

the

non-drive

end

sideplate assembly

only (as

described

section 4).

Failure to

undertake a

complete cleaning operation

may

result

premature failure

of the

replacement blades.

3.1 Blade

emo

val

See Sections:-

4.2,4.3 and

4.4

See

Fig 6 for

machine support positions.

Worn

blades

are

removed

by sliding

them outwards.

The

easiest

access to each blade/slot

obtained

positioning

the

blade

at the

widest rotor to body

gap

(opposite

the Nip).

See

fig

As the

rotor

rotated to

access

the lower

slots,

support

the

weight

the rotor

prevent

scoring

the body.

Ensure

that

grease

from

dirty

hands

removed

from

all

blade surfaces

with a

cleaning

solvent

prior to

fitting.

NIP

Figure 1 .Blade

emo

val

Sidepl

ssemblies

Page 6

3.2 Blade

eplac

emen

When

fitting the

blades, ensure

that the

curved edge

of the

blade

follows

the

contour

of the

rotor. See

fig

The 6

blades should

replaced using

the

same method

caution

used

blade removal.

When blade replacement

complete,

refit the

sideplate

described

in section 4.6

Figure 2. Blade

ien

tion

Page 7

Sideplate

If the drive end of the machine is to be removed / inspected, then the drive flange

coupling must

removed

first. (See fig4). An

isometric

view of

the

sideplate

and cowl

assembly

can be

seen

in fig

Key

2 Grub

Screw

Shoulder Screw

4 Drive

Flange

5 Cowl (Drive End

shown)

Mounting

Bush

7 Cap

Screw

8 Star

Tolerance

ring

9 Fan

10 Cap

Screw

M10x20

Bearing Housing

Cap

12 Cap

Screw

M10x

Sideplate

CAUTION

Take care not to

damage

the threads

in the shaft

end.

Figure 3. Sideplate and

Cowl

ssembly

4.1

emo

ving

the

Drive

oupling

The drive flange is

secured

to the shaft by a key and a

grub

screw. Loosen

the

grub screw using

an Allen key

then

remove

the fan with a

suitable extractor

or simply tap the

drive flange with a soft/

copper hammer

off

the

end of the

shaft in the

direction shown. See

fig

Figure 4.

Drive

Flange

emo

val

Sidepl

ssemblies

Page 8

4.2

Cowl

emo

val

and Mounting Feet

emo

val

remove

the drive end cowl follow 4.1,

then loosen

and

remove

the

socket

cap

screws

in the

corners

of the cowl. The cowl and

mounting

foot

can now be

removed.

For the non drive cowl, follow the

above.

4.3 Fan

emo

val

UTION

The

cooling

fan is

connected

to the shaft by a star

tolerance

ring.

Use a fan

extractor

shown

in fig 5,

making sure

that the

clamps are positioned

in the

arrowed portion

of the fan.

Alternatively,

use a mallet

and

length

of bar to force the

fan from the star

tolerance

ring by

tapping

the

central

boss. Discard

the old star

tolerance

ring and

replace.

The star

tolerance

ring

must

not be

re-used!

slipping

fan

would result

insufficient

machine cooling.

Protect

the end of the

Rotor

Shaft by

using packing

against

the fan

extractor

and

the

shaft.

Figure 5. Fan removal using a fan

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