Alfalaval Gj bb User manual

Instruction Manual

Alfa Laval GJ BB

Cover

Standard Machines

First

published: 2015-07

ESE032025-EN1

2015

Original

manual

Table of Contents

The

information herein

is correct at the

time

issue

but may be subject to changewithout prior

1. EC Declaration of Conformity

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2. Safety

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2.1.

Information

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2.2.

Warning Signs

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2.3.

Safety Precautions

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3. Introduction

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3.1.

Description

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3.2. Intended Use

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3.3.

Patents and Trademarks

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3.4.

Marking

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4. Installation

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4.1.

Unpacking/Delivery

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4.2.

Installation

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4.3.

Recycling

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5. Operation

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5.1.

Operation/Control

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5.2.

Trouble Shooting

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5.3.

Cleaning Solution

Leakage

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5.4. Poor

Cleaning

Performance

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5.5. Recommended Cleaning

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6. Maintenance

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6.1.

General Maintenance

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6.2.

General Dismantling

Setup

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6.3.

General Dismantling

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6.4.

and

Service

of Components

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6.5.

Reassembly

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7. Technical Data

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7.1.

Technical

Data

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7.2.

Performance

Data

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7.3.

Dimensions

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7.4.

Trax Simulation Tool

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8. Parts List and Service Kits

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8.1. AL

GJ BB View

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8.2.

Assembly Drawings

–1, 2, 3, 4, 5, 6 & 7

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8.3.

Assembly Drawing –8 …………

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8.4.

Assembly Drawings

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8.5.

Assembly Drawings

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8.6.

Parts List

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8.7.

Minor Service Kit …

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8.8.

Major Service Kit ………

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EC Declaration of Conformity

The designated company

Alfa Laval Tank Equipment Inc.

Company name

604 Jeffers Circle –Exton, PA –19341, United States

Address

+1 610 408 9940

Phone no.

hereby declare that

Tank Cleaning Machine

Alfa Laval GJ BB

Denomination

Type

From serial numbers from H-100 to H-XXXX

is in conformity with the following regulations and directives with amendments:

- The Machinery Directive 2006/42/EC

DS/EN ISO 12100:2011

- The Pressure Directive 97/23/EC

According to its own volume and the rated pressure range the product is regarded an Article 3, paragraph 3 Equipment

The person authorised to compile the technical file is the signer of this document.

Executive VP Operations

Andrew Delaney

Title

Name

Signature

2015-05-18

Exton, United States

Date

Place

2 Safety

Unsafe

practices and other important

information

are

emphasized in this m

Warnings

are

emphasized

by meansof

special

signs.

Always

read the

manual

before using the tank cleaning machine!

2.1 Important Information

Indicates

that

special

proceduresmust be followedto avoid

serious personal

njur

Indicates

that

special

proceduresmust be followedto avoiddamageto the tank

cleaning

machine.

NOTE

Indicates

important

information

simplify

clarify

procedures.

2.2 Warning Signs

General

warning:

Dangerous

electrical

voltage:

Caus

2 Safety

All

warnings

the

manual

are

summarized

on this page.

Pay

special

attention to the

instructions

below so that

severe personal injury

and/or damage to the tank

cleaning m

ach

are avoided.

2.3 Safety Precautions

nstallation

Alwaysread the

technical

data thoroughly.

(

See

chapter 7

Technical

Data)

Any

tank-cleaning machine

can

develop

a static

electricity

chargewhilein operation.

the tank being

cleaned contains

combustible liquid

or vapor

having

a risk of

ignition

explosion, it is imperative

have

the

Alfa Laval Gamajet properly

grounded usingthe provided

location

on the unit.

Operation:

Alwaysread the

technical

data thoroughly.

(

See

chapter 7

Technical D

ta)

ecessary

precautions

must be taken

if leakage

occurs as this can leadto

hazardous

situations.

Always

handlelyeand acid with great

car

When

Alfa Laval Gamajet

operating,

there

should

be covers over

every

tank opening.

These

covers

should

sealed

wellenoughto withstand the

full

force of the

jet striking

the coverplate.

If the

cleaning solution

werehot,

corrosive,

toxic,

leak

would presenta

serious hazard

to anypersonnel

the

ediate

cinit

xposed

electr

cal

equipment.

Warning: Any

tank-cleaning machine

can

develop

a static

electricity

chargewhilein operation. If the tank b

eing

ean

containsa combustibleliquidor vapor

having

a risk of

ignition

explosion, it is imperative

to havethe

Alfa Laval Gamajet properly

grounded using the

provided location

on the unit.

Maintenance:

Alwaysread the

technical

data thoroughly.

(

See

chapter 7

Technical D

ver

service

the tank

cleaning machine

when

it is

hot.

Alwaysuse Alfa

Laval genuine

spare parts.

Transportation

of the tank

cleaning

machine:

Alwaysdrain the tank

cleaning machine

head and

accessories

of anyliquid

Alwaysuse

original packaging

similar during

port

3 Introduction

3.1 Description

The Alfa Laval GJ BB is a fluid-driven (turbine-driven) 360° rotary barrel cleaning machine designed to clean the interior

surfaces of wine barrels and drums with the bunghole is in the downward position. The BB is powered entirely by the cleaning

solution and it requires no electricity, compressed air or lubricant for operation.

Warning: Under no conditions, whatsoever, should the Alfa Laval GJ BB ever be immersed in anything, unless you

have prior approval from Alfa Laval Gamajet Equipment. Failure to comply with this restriction will void

the warranty!!

In order to handle a range of operating conditions, the stainless steel Alfa Laval GJ BB is available with several different

nozzle sizes, stators (non-rotating turbine), and O-ring materials. The performance capabilities of these options are detailed

in Section 7 –Technical Data.

3.2 Intended Use

It is to be verified by the end-user:

- That the tank cleaning machine is in conformity with respect to tank, vessel or container size in which it will be used.

- That the construction materials (both metallic and non-metallic) are compatible with product, flushing media,

cleaning media, temperatures and pressure under the intended use.

3.3 Patents and Trademarks

This Instruction Manual is published by Alfa Laval Tank Equipment without any warranty. Improvements and changes to this

Instruction Manual may at any time be made by Alfa Laval Tank Equipment without prior notice. Such changes will, however,

be incorporated in new editions of this Instruction Manual.

The Alfa Laval logotype is a trademark or the registered trademark of Alfa Laval Corporate AB. “Gamajet” is a trademark or

registered trademark of Alfa Laval Tank Equipment. The Alfa Laval GJ BB product has patent in the US (US 6,123,271). Other

products or company names mentioned herein may be the trademarks of their respective owners. Any rights not expressly

granted herein are reserved.

3.4 Marking

Alfa Laval Gamajet tank cleaning machines are all marked to allow recognition of machine type, machine name, Serial

number and manufacturing address. The marking is placed on the body of the tank cleaning machine.

Alfa Laval Tank Equipment - Exton, PA

Patent #: 6,123,271

4 Installation

4.1 Unpacking/Delivery

Step 1

CAUTION

Alfa Laval

cannot be held

responsible

for

incorrect

unpacking.

Check the

delivery

for:

Complete Cleaning

Machine

Delivery

note

Step 2

Remove

any packing materials

Step 3

spect

the tank

cleaning machine

for

visible

transport damage

4 Installation

Read

the

instructions carefully

and pay

special

attention to the warnings!

Always

check the tank

cleaning machine

before

operation.

4.2 Installation

Step 1

Always

read the

technical

data

(See

chapter 7

Technical

Data)

Step 2

Assembly

Every Alfa Laval Gamajet

operationally

tested beforeshipmentand

readyto run after unpacking. No

assembly

is required

prior

o use.

The Alfa Laval Gamajet

has been

configured

to meet the operating conditions (at the

Alfa Laval Gamajet,

not at

the

)

given

to us, e.g.

pressure,

flow,

temperature,

cycle

time, chemical

adders, etc.

Note: Anychangeto the

original operating conditions will

affect the

Alfa Laval Gamajet

accordingly

Warning: Do not force Tee and Nozzle Housings, Pos.22 and23, to rotate.

Doing

so may cause damage to the

internal

components.

Step 3

Inlet Connections

The standard inlet connection for the Alfa Laval GJ BB is a 3/8” NPT female or 3/8” BSP female. It is recommended that the

mating male thread be wrapped with PTFE pipe joint tape prior to installation. This will minimize any chance of leakage and

will make subsequent removal much easier.

Step 4

Usage

Before attaching the supply plumbing to the Alfa Laval GJ BB, make sure the supply line has been adequately flushed.

WARNING: When attaching the Alfa Laval GJ BB onto the supply line, ALWAYS apply the wrench to the Collar Pos.

4 at the top/inlet of the unit. Never use a wrench on any other component or its own body to tighten the unit onto the

pipe. Doing so risks internally damaging the machine.

Step 5

Entry Openings

The Tee Housing (spray head) section of the Alfa Laval GJ BB has been designed to fit through a standard 50mm wine barrel

and 2” drum bunghole.

4 Installation

Read

the

instructions carefully

and pay

special

attention to the warnings!

Always

check the tank

cleaning machine

before

operation.

Step 6

Filters and Strainers

As an accessory, Alfa Laval Gamajet sells a strainer to be used in conjunction with the BB. The main component is a heavy

duty Y-Strainer that allows for on-line cleaning of the screen without disassembly of the surrounding plumbing. By simply

opening the included ball valve, the heavy particulate that has collected on the screen can be blown-down. The screen can

also be visually inspected by simply removing the cover of the strainer and, again, without disassembly of the piping.

If Alfa Laval Gamajet’s strainer is not used, the systems should be equipped with a filter or strainer that will trap solids 0.006”

(150 micron, 100 mesh) or larger. The use of a filter ensures adequate removal of particles and debris that can come from

hard water, dirty heating coils, line sediment, and well water. A supply of clean wash fluid to the BB and, more importantly,

the barrel is a must.

Step 7

Capacity of Supply Pump

In the majority of cases a positive displacement (PD) style pump (i.e. a pressure washer, piston pump, plunger pump, and

mechanical diaphragm pump) will supply the wash fluid to the Alfa Laval GJ BB. PD pumps are fixed volume pumps whose

flow rate is dependent upon the rotational speed of the pump; the pumps also have a pressure rating which is the maximum

operating pressure. Note: Do not confuse the maximum operating pressure of a PD pump with the actual operating

pressure, the actual operating pressure is dictated by the fixed flow rate of the pump and the Alfa Laval GJ BB /

plumbing system. If a PD pump is used, the Alfa Laval GJ BB should be sized to, first, match the flow capability of the pump

and, second, not exceed the pump's maximum operating pressure (taking the pressure rating of the plumbing system into

account, also).

4 Installation

Read

the

instructions carefully

and pay

special

attentionto the warnings!

Always

check the tank

cleaning machine

before

operation.

4.3 Recycling Information

•

Unpacking

Packing material

consists of wood, plastics,cardboard boxes and

some cases

metal

straps.

-Wood and cardboard boxes can be reused,recycledor used for

energy

recovery.

Plastics should

be recycledor burnt at a

licensed

waste

incineration

plant.

-Metal straps should be sent for

material

recycling.

•

Maintenance

All

metal parts

should

be sent for

material

recycling.

•

Scrapping

-At end of use, the equipment must be

recycled

according to

relevant,

local regulations.

Beside

the equipment itself, any

hazardous residues

from the process

liquid

must be

considered

and dealt

with in

a proper manner. When

doubt, or

the

absence

local regulations, please

contact your local

Alfa Laval sales

company.

5 Operation

Read the instruction carefully and pay special attention to the warnings!

5.1 Operation/Control

Step 1

Always

read the

technical

data

thoroughly.

Seechapter 7

Technical

Data

CAUTION

Alfa Laval

cannot be held

responsible

for

incorrect

operation/control.

Step 2

Never

touch the tank

cleaning machine

or the

pipelines

when pumping hot

liqu

ds.

Step 3

Initial Startup

Every BB that ships is accompanied by a Birth Certificate. This document indicates how the BB performed in our testing tank

before it shipped based on the operating conditions supplied to The Alfa Laval Gamajet. To ensure the longest possible life

of the BB, please verify the operating conditions and, most importantly, the machine’s cycle time. The cycle time can be

measured by picking a fixed point inside of a vessel as a reference and timing how long it takes the same nozzle to pass

back over that point in the vessel. (This, naturally, will not be the exact same spot because the spray pattern is indexing.) To

calculate the full cycle time in minutes, multiply this timed value in seconds by 0.75 (3/4).

5 Operation

Pay attentionto possiblefaults

Readthe

instructions

carefully

5.2 Trouble Shooting

Does Rotor

(pos. 46)

turn freely

by hand?

- Damaged Input Pinion (pos . 26) –Section 6.4 Inspection and Service of Components

- Damaged Gearhead (pos. 27) –Section 6.4 Inspection and Service of Components

- Worn Output Shaft Seal (pos. 17) –Section 6.4 Inspection and Service of Components

- Worn Output Shaft Lower Bearing (pos. 8) –Section 6.4 Inspection and Service of

Components

Do Nozzle

(pos. 23)

and Tee

Housing

(pos. 22)

both index

when Rotor

(pos. 46) is

turned?

- Cracked/Loose Input Pinion (pos. 26) –Section 6.4 Inspection and Service of Components

- Damaged Gearhead (pos. 27) –Section 6.4 Inspection and Service of Components

- Worn Tee or Nozzle Housing Bearing (pos. 31), (pos. 32), or (pos. 33) –Section 6.4

Inspection and Service of Components

Does only

Tee

Housing

(pos. 22)

index?

- Cracked/Loose Input Pinion (pos. 26) –Section 6.4 Inspection and Service of Components

- Damaged Gearhead (pos. 27) –Section 6.4 Inspection and Service of Components

- Worn Bevel Gear (pos. 28) or (pos. 29) –Section 6.4 Inspection and Service of

Components

- Broken Nozzle Housing Bevel Gear Pin (pos. 41) - Section 6.4 Inspection and Service of

Components

Yes

5 Operation

Pay attentionto possiblefaults

Readthe

instructions

carefully

Step 1

Long Term Storage

If the unit has not been used for over a month, it may be reluctant to initially start because of the natural “set” that occurs with

the dynamic parts. To remedy this, loosen the Collar Set Screw (52), remove the Collar (4) and lift out the Stator (25). Using

something thin, such as a small hex key or a paper clip, manually rotate the Rotor (46) in the clockwise direction for 20 to 30

revolutions. The (46) should become progressively easier to rotate as you spin it. If so, reassembly the unit and attempt to

operate it.

Step 2

Debris Inside

Loosen the Collar Set Screw (52), remove the Collar (4), and lift out the Stator (25). Look for and remove any debris caught in

the Stator and the vanes of the Rotor (46). Remove any material wound around the Input Shaft (30). In addition, check for any

debris caught in the outlet holes of the Stem (3), the nose of the Tee Housing (22), and the Nozzle Housing (23).

Step 3

Insufficient Flow

The Alfa Laval Gamajet was configured to meet certain operating conditions outlined at the time of the initial sale, such as flow

rate (GPM), pressure (PSI), temperature, chemical content of the wash fluid, cycle time, etc. If the Nozzle size is too small

and/or the opening at the bottom of the Stator (25) is too large, the Tee Housing (22) will not turn.

Look for restrictions in the fluid supply such as a clogged filter, kinked hose, or deposits in the piping.

Step 4

Tight Clearances

A recently overhauled Alfa Laval GJ BB may fail to operate when first returned to service. If the machine seems otherwise

fine, try running it with the Nozzle Housing (23) removed. So as not to loosen it, be sure to remove the Nozzle Housing Cover

Plate O-ring (38), as well. The reduction in pressure and additional flow will invariably be enough to overcome the extra

resistance of new Bearings and Seals. Twenty minutes of operation should loosen the machine to run normally with the (23)

reinstalled.

5 Operation

Pay attentionto possiblefaults

Readthe

instructions

carefully

5.3 Cleaning Solution Leakage

-Worn Bearings & Seals

Some leakage from the Tee Housing / Stem and Tee Housing / Nozzle Housing joints is normal. If the flow rate has

noticeably increased, or, the pressure decreased, check the condition of the Tee and Nozzle Housing Bearings, (31), (32),

and (33). Specifically, examine the condition of the external ring and internal O-ring.

-Worn

Housing

Cups

Inspect the internal bores of the Nozzle and Tee Housings, (23) and (22), for excessive wear (grooved or scored).

Replace any that show distinct grooves.

-Worn Drive Body O-Rings

Although some leakage from components positioned inside of the barrel is normal, it is not for components that make up

the external Gear Train.

Leakage between the Collar (4) and Input Cap (2) may indicate worn or damaged Collar O-rings (53) and (54). Remove

the (4) as described in Section 6.3 –General Dismantling, and inspect the O-rings for signs of damage or wear.

If the leak is noticed from the lower section of the Drive Body, inspect the Output Cap O-ring (56) and Tube/Housing O-

rings (36) as described in Section 6.3 –General Dismantling.

5.4 Poor Cleaning Performance

-InadequateFlow and Pressure

Check the pressure at the Alfa Laval Gamajet inlet under actual operating conditions. The supply piping and hoses must

be large enough to handle the flow rate required for the nozzle size being used to ensure adequate pressure.

Insufficient pressure may also result from line losses when the machine is far from the pump. If this is the case, the line

size must be increased accordingly for long runs. Although the Alfa Laval Gamajet will rotate at low flow rates, effective

cleaning may require considerably more flow. Proper mechanical operation (the unit turns) is NOT the same thing as

effective cleaning (the soils have been removed)! Contact Alfa Laval Gamajet Equipment if assistance is required.

Chemical Concentration

and Temperature

Verify that the cleaning solution is the correct compound and in the concentration needed for the deposit being cleaned. If

heating is necessary, also check that the solution is at the proper temperature.

Plugged

Nozzles

Inspect the orifices of the Nozzle Housing (23) and stator holes for debris.

Slow

or no

Rotation

of the Housings

This will result in partial or erratic washing coverage. Refer to previous sections for more information.

-Alfa Laval Gamajet

rat

Determine if the deposit being cleaned requires greater jet impact or longer jet dwell time (slower rotation) for more

thorough scrubbing. Confirm that the Alfa Laval Gamajet nozzle size, turbine, and gearing are correct for the specific

application. Refer to the machine’s Birth Certificate for specific information regarding its configuration. Contact a Alfa Laval

Gamajet Equipment representative if assistance is required.

5 Operation

The Tank Cleaning machine is designed

for

cleaning in

place

(CIP). CIP

Cleaning In Place.

Study the

instructions carefully

and

pay

special

attentionto the warnings! NaOH=

Caustic

Soda.

HNO3 = Nitric acid.

5.5 Recommended Cleaning

Step 1

Always handle

lyeand acid with greatcare.

Caustic

danger!

Alwaysuse rubber

gloves!

Always

use protectivegogg

es!

Step 2

Never

touch the pump or the

pipelines

when sterilizing.

Step 3

Danger

of burns!

Always rinse well

with

clean

water afterusinga

cleaning

agent.

NOTE

Cleaning

agentsmust be stored/disposed of

accordance with

current

rectives.

Always

Clean Water

Cleaning

gent

6 Maintenance

Maintain

the

Tank Cleaning

Machine

with

care. Readthe

instructions carefully

and pay

special

attention to the

war

Always

keep Minor spare parts kit in stock.

6.1 General Maintenance

Step 1

Always

read the

technical

data

thoroughly. (see

chapter 7

Technical

Data)

Step 2

Recommended

spare parts:

Order

service kits

from the

service kits

list

(See 8.7

Minor

Service

Kit & 8.8 Major

Service

Kit)

Ordering

spare parts:

Contact your

local

Alfa

Laval Sales

company.

6 Maintenance

Maintain

the

Tank Cleaning

Machine

with

care. Readthe

instructions carefully

and pay

special

attention to the

war

Always

keep Minor spare parts kit in stock.

6.2 General Dismantling Set

Step 1

Note

A rigorously implemented preventative maintenance program will significantly reduce repair costs over the life of the Alfa

Laval Gamajet. The foundation of such a program is regularly scheduled inspections to discover and replace worn or

damaged parts before they can cause the failure of other, more costly, components. The inspection intervals required will

depend on the severity of the application, but a complete internal inspection at 100 hours of operation is recommended

initially.

Step 2

Storage

The Alfa Laval Gamajet should be washed out with clean water after each use to remove any foreign material or soft

substances left in the machine that may harden during storage and cause the Alfa Laval Gamajet to seize or lock up. A

clean water rinse through the Alfa Laval Gamajet will also wash out any residues of chemical cleaners that could adversely

affect the seals and O-rings during prolonged contact in storage.

Step 3

External Inspection Intervals

Before every shift, examine the Stator (25) and the orifices of the Nozzle Housing (23). Inspect the (25) by loosening the

Collar Set Screw (52) and removing the Collar (4).

Step 4

Internal Inspection Intervals

An interval of 100 hours is recommended initially. If all of the components are found to be in acceptable condition after the

first 100 hours, the Alfa Laval Gamajet may then be inspected and routine preventive maintenance should be performed

every 400 to 600 hours of operation, depending on the severity of use. Alfa Laval Gamajet Equipment recommends the

following service schedule during the inspections:

Every inspection (about 500 hours):

- Clean and repack the Gearhead, (27)

- Replace the Dynamic Seals: (58), (17), and (48)

Every other inspection (about every 1000 hours):

- Replace all Plastic Bearings and Bushings

- Replace all Static and Dynamic Seals

- Replace all O-rings

Every fourth (4th) inspection (about 2000 hours):

- Replace worn Housings and Shaft: (5), (23) and (22)

Step 5

Tips

All the Bearings, Bushings, Seals and O-rings are wear parts. If just one Bearing or Seal is worn or damaged, replace both it

and its mate, not just the worn or damaged part.

6 Maintenance

Read

the

instructions

carefully.Theitems

refer

to the parts

list

and

service

kits section.

6.3 General

Dism

ant

Step 1

Tee Housing Cap

Unthread the Tee Housing Cap (6) from the Tee Housing (22; drawing 13) by holding the (6) still and rotating the (22). Tip:

The (22) is a Left-Hand Thread.

Unscrew the Tee Housing Assembly (drawing 15) from the Supply Tube (drawing 9). Tip: Again, this is a Left-Hand Thread.

Step 2

Tee Housing

Unscrew the Nozzle Housing Cover Plate (24) with a ¼” slotted screwdriver.

Pull the Nozzle Housing (23; drawing 12) from the nose of the Tee Housing (22)

Unthread and remove the Stem Cap (12; drawing 11). Tip: The Stem Cap (12) is a Left-Hand Thread.

Pull the (22) from the Stem (3; drawing 10).

Remove the Tee Housing Bevel Gear (28) and the Upper Tee Housing Bearing (32) by pulling the (28) from the (3).

Step 3

Output Shaft and Supply Tube

Pull the Output Shaft (5) from the remainder of the Drive Body (drawing 11).

Step 4

Inlet Collar, Cap, and Geartrain

Loosen the Collar Set Screw (52) with a 5/64” Hex Key, minimum 2 turns.

Remove the Collar (4) and Stator (25).

Using a 7/64” Hex Key, remove the Input Cap Screws (50) from the Geartrain Housing (14).

Remove the Input Cap (2) from the body.

Push the Geartrain (drawing 7) from the (14).

6 Maintenance

Read

the

instructions

carefully.Theitems

refer

to the parts

list

and

service

kits section.

6.4 Inspection and Service of Components

Drawing

Inlet Assembly

Inspect the through holes of the Stator (25) to be sure that they are clear.

Inspect the Small and Large Collar O-rings, #9-142-E and #9-141-E, for deterioration (compression set or hardening) or

damage and replace if necessary.

Drawing 7

Geartrain Assembly

Remove the Gearhead Lower Bearing Housing (11; drawing 2).

Unscrew the Rotor Nut (43) with an 11/32” socket and remove it with the Rotor Lockwasher (42) from the Input Shaft (30;

drawing 4).

Remove the Rotor (46; drawing 5) from the (30). If needed, use a slotted screwdriver for assistance.

Ensuring that the Gear Train is oriented with the (30) up, carefully remove the Input Shaft Upper Bearing Housing (10; drawing

1) by holding down the (30) with one finger and pulling and twisting the (10) from the Gear Train. Applying downward pressure

on the (30) ensures that none of the internal gearing is dislodged when the (10) is removed.

Remove the #422 from the Gearhead (27; drawing 3).

Inspect the Gearbox Seal (47) for loss of spring tension (indicated by excessive dry deposits of dirty or abrasive cleaning

solution on the spring), replace as required.

Drawing 3

Gearhead Internals

Tip: To prevent the internal components of the Planetary Gearhead (27) from unexpected spilling out, make sure that all

steps are done with the input side of the assembly facing up.

Using a #1 Phillips screwdriver, unscrew the Planetary Gearhead Screws (51) from the Gearhead (27).

Remove the (27) from the Gearbox (1) by pushing up on the shaft of the (27).

Warning: If you suspect that the (27) requires service, proceed with caution. If at any time you do not feel completely

comfortable servicing (27), contact Alfa Laval Gamajet Equipment.

Using needle nose pliers carefully remove the internal components of the (27). As they are removed, be sure to arrange them

is such a way that they are reinstalled in the same order as they were removed. Examine the gears of the four different stages

for any worn or broken teeth. Also, examine the main internal ring gear for bent or sharp teeth. If any damage is found, contact

Alfa Laval Gamajet Equipment immediately.

During reassembly, Alfa Laval Gamajet Equipment recommends the gearhead be lightly repacked using food grade grease.

Please contact Alfa Laval Gamajet Equipment for a recommendation on the grease.

Drawings 1, 4-6

Input Shaft Housing Assembly

Inspect the Input Pinion (26) for hairline cracks on the end face or for worn, damaged, or sharp/pointed teeth. The (26) should

be tight to the Input Shaft (30) and the Input Pinion Spacer (35). The (35) should not be able to spin on the (30). Press the

(26) back onto (30) if it has slipped, or replace if cracked or worn.

Inspected the (35) for signs of wear from contacting the carbide (44). Replace if the overall length is 0.123” or less.

Check for signs of scoring and wear on (30). Replace if the coating has chipped or cracked.

The Planetary Gearhead Pin (55) should be firmly pressed into the Input Shaft Upper Bearing Housing (10).

The through holes of the (10) should be clear and free of debris.

The (44) in the Rotor (46) and (10) should protrude slightly. In addition, their running surfaces should be smooth, flat, and free

of chips and cracks.

Inspect the Input Shaft Seal (58) (inside the Input Shaft Lower Bearing Housing (49) for wear by placing the (30) back through

it. There will be drag if the (58) is still good. If it needs to be replaced, pry out the old (58), using a brass pick, and replace it

with a new one. Ensure that the (58) is as square as possible to the (49) when installing it. The internal spring should be up

and visible. Tip: Using the eraser of a No. 2 pencil, apply even pressure until it snaps behind the gland’s internal lip.

Check the Input Shaft Lower Housing O-ring (57) and Input Shaft Lower Housing Seal (48) for deterioration or damage,

replace (using a brass pick to remove the old components) if necessary. The (48) should be installed so its internal spring is

up and visible.

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