Elliott Roto-Jet 0420 Handbuch

www.elliott-tool.com

Tube & Pipe Cleaners Tube Testers Tube Plugs Tube Removal Tube Installation

0420 Roto-Jet™Cleaning System

Operating and Maintenance Instructions

0420 Roto-Jet 3

Table Of Contents

Introduction .......................................................................................................... 4

Safety ................................................................................................................... 5

Operation.............................................................................................................. 7

Operating Position (Diagram A)............................................................................ 8

Drive Coupling (Diagram B) ................................................................................ 10

Air Supply Requirements.................................................................................... 12

Maintenance....................................................................................................... 13

Technical Data .................................................................................................... 15

Trouble Shooting Guide...................................................................................... 17

Records ...................................................................................................... 20 & 21

Flexshaft Repair ................................................................................................. 24

4 0420 Roto-Jet

INTRODUCTION

Thank you for purchasing this Elliott product. More than 100 years of experience have been employed

in the design and manufacture of this control, representing the highest standard of quality, value and

durability. Elliott tools have proven themselves in thousands of hours of trouble free eld operation.

If this is your rst Elliott purchase, welcome to our company; our products are our ambassadors. If

this is a repeat purchase, you can rest assured that the same value you have received in the past will

continue with all of your purchases, now and in the future.

The Elliott Roto-Jet has been designed for cleaning tubes in the following types of equipment:

Heat Exchangers

Condensers

Chillers

If you have any questions regarding this product, manual or operating instructions, please call Elliott at

+1 800 332 0447 toll free (USA only) or +1 937 253 6133, or fax us at +1 937 253 9189 for immediate

service.

0420 Roto-Jet 5

SAFETY

Read and save all instructions. Before use, be sure everyone using this machine reads and under-

stands this manual, as well as any labels packaged with or attached to the machine.

1. Know Your Elliott Roto-Jet™. Read this manual carefully to learn your tool’s applications and

limitations, as well as potential hazards, associated with this type of equipment.

2. Keep Work Area Clean and Well Lighted. Cluttered, dark work areas invite accidents.

3. Dress Properly. Do not wear loose clothing or jewelry. Wear a protective hair covering to contain long

hair. It is recommended that the operator wear safety glasses with side shields or a full face shield eye

protection. Gloves and water repellant, nonskid footwear are also recommended. Keep hands and

gloves away from moving parts.

4. Use Safety Equipment. Everyone in the work area should wear safety goggles or glasses with side

shields complying with current safety standards. Wear hearing protection during extended use,

respirator for a conned space and a dust mask for dusty operations. Hard hats, face shields, safety

shoes, respirators, etc. should be used when specied or necessary.

5. Keep Bystanders Away. Bystanders should be kept at a safe distance from the work area to avoid

distracting the operator and contacting the exshafting or machine. Only the operator of the machine

should engage the foot switch control. NEVER PLACE A WEIGHTED OBJECT ON THE FOOT SWITCH

TO PRODUCE CONTINUOUS OPERATION OF THE MACHINE.

6. Protect Others in the Work Area from debris such as water exhaust and water spray. Provide barriers

or shields as needed.

7. Use the Right Cleaning Device. Do not use a cleaning device or attachment to do a job for which it

is not recommended. Refer to the Elliott E-100 catalog for all optional equipment. Do not alter the

machine or cleaning device, this will void the warranty on the product.

8. Use Proper Accessories. Use Elliott accessories only. Be sure accessories are properly installed and

maintained. Do not defeat a guard or other safety device when installing an accessory or attachment.

9. Check for Damaged Parts. Inspect guards and other parts before use. Check for misalignment,

binding of moving parts, improper mounting, broken parts or any other conditions that may affect

operation. If abnormal noise or vibration occurs, turn the machine off immediately and have the

problem corrected before further use. Do not use a damaged machine. Tag damaged machines “Do

Not Use” until repaired. A guard or other damaged part should be properly repaired or replaced by an

Elliott service facility. For all repairs, insist on only identical replacement parts.

10. Remove All Wrenches. Check that all accessory wrenches are removed from the system before

turning it on.

11. Avoid Accidental Starting. Be sure your machine is turned off before supplying air pressure. Do not

use a machine if the foot control switch is not turning the machine on and off. NEVER USE ANY

OBJECT TO HOLD THE FOOT SWITCH IN THE “ON” POSITION.

12. Do Not Force the Flexshaft. Your Elliott Roto-JetTM will perform best at the rate for which it was

designed. Excessive force only causes operator fatigue, increased exshaft wear, shaft or break-away

coupling failure.

13. Keep Hands Away from All Moving Parts.

14. Do Not Overreach - Maintain Control. Keep proper footing and balance at all times.

6 0420 Roto-Jet

15. Stay Alert. Watch what you are doing, and use common sense. DO NOT use a machine when you

are tired, distracted or under the inuence of drugs, alcohol or any medication causing decreased

control.

16. Remove the Air Supply to the Machine when it is not in use, before changing accessories or when

performing recommended maintenance.

17. Maintain Machine Carefully. Keep handles dry, clean and free from oil and grease. Follow

instructions for lubricating and changing accessories. For more information see “Maintenance”

section. Periodically inspect the machine and air supply hose for damage. Have damaged parts

repaired or replace by an Elliott service facility.

18. Store Idle Machines. When not is use, store your machine in a dry, heated, secured place. For more

information see “Maintenance” section.

19. Maintain Labels and Nameplates. These carry important information and will assist you in ordering

spare and replacement parts. If unreadable or missing, contact an Elliott service facility for a

replacement.

20. Stop the Machine Immediately if the Flexshaft Starts to Coil. Flexshaft damage will occur if exshaft

is operated in a coiled position.

21. Use the Proper Flexshaft to t the tubes to be cleaned. Never use a exshaft that is too small or

too short. Flexshaft failure will result if too great a resistance is placed on the exshaft. Refer to the

chart below for sizing information. (See Fig. 1 and 2)

Wet Shafts (Fig.1)

Prex Part Number Casing Outside Diameter Tube Inside Diameter

inch mm inch mm

0511*(xx) .250 6 5/16 - 3/8 8 - 10

0512*(xx) .375 10 7/16 - 1/2 11 - 13

0513*(xx) .500 13 9/16 - 1 14 - 25

0514A*(xx) .625 16 3/4 - 1-1/2 19 - 38

0514*(xx) .750 19 1 - 2 25 - 50

0515*(xx) 1.000 25 2 and over 50 and over

*Length of shaft in feet completes the part number.

(Available in standard lengths of 16’, 25’, 33’, and 49’. Consult factory for additional lengths.)

Dry Shafts (Fig.2)

Prex Part Number Casing Outside Diameter Tube Inside Diameter

inch mm inch mm

0534*(xx) 7/8 22 1 and over 25 and over

*Length of shaft in feet completes the part number.

(Available in standard lengths of 25’, 35’, and 50’. Consult factory for additional lengths.)

0420 Roto-Jet 7

OPERATION

Correct Machine Position and Operation is critical to getting the job done quickly and efciently.

This can be accomplished by the following these steps:

Examine the tubes to be cleaned and measure the internal diameter (Elliott Tube Gauge is

recommended) and length of the tubes. If the tube ends are expanded, then make a note of the

smallest internal diameter. Record these measurements on the chart provided in the back of

this manual. You will need these measurements to select the proper size exshaft and cleaning

attachments.

Carry the machine to the location where the cleaning will take place.

Position the machine at a right angle to the tube sheet or cleaning area. This will keep the exshaft

at the proper radius. NEVER OPERATE THE MACHINE IN THE VERTICAL POSITION.

(See Diagram A).

TOOL TIP

Always select a smaller size of cleaning device for heavy

tube deposits. With the exception of the Elliott Turbo Brush,

never use a brush or cleaning device larger than the internal

diameter of the tubes.

WARNING

This machine requires oil lubrication mixed with the air

supply. When using the machine in a conned space,

the operator must wear proper eye protection and use a

breathing apparatus capable of ltering airborne oil particles.

8 0420 Roto-Jet

DIAGRAM A

Tube Bundle

Roto-Jet

TOP VIEW

CORRECT OPERATING POSITION

0420 Roto-Jet 9

OPERATION (CONT.)

Open the foot switch storage compartment and remove the foot switch, “O” ring, rubber hose washer

and the air hose “quick disconnect” tting.

Position the foot switch hose in the cutout provided before closing compartment lid.

Install the quick disconnect to an air hose capable of withstanding 100 psi (6.89 Bar-Metric).

The hose should have an inside diameter of 1/2” (13mm).

Place the rubber hose washer in the water hose connection of the machine. This is a one time

operation. The rubber washer can remain in this connection and does not require removal after use.

Connect a standard garden hose to the 3/4” water hose connection of the machine. The machine is

designed for “Municipal” water pressure only, Max 100 psi (6.89 Bar-Metric). DO NOT connect the

water connection to a “High Pressure” source. Water is important to the cleaning process as it ushes

away deposits cleaned from the tube and helps to lubricate and cool the exshaft.

Position the “O” ring in the recess of the exshaft connection manifold.

Prepare the exshaft by loosening the four (4) set screws located in the brass locking sleeve using

a 3/32” Allen wrench. Thread the breakaway or solid square drive into the coupling adapter that

is swaged on the core of the exshaft. Position the brass locking sleeve equally over the coupling

adapter and the breakaway or solid square drive. Firmly tighten the four (4) Allen set screws. (See

Diagram B page 8)

Insert the square drive into the manifold of the machine. Rotate the exshaft by hand to properly seat

the square drive of the exshaft into the manifold. Thread the brass manifold cap onto the manifold of

the machine and rmly hand tighten.

Attach the chosen cleaning device to the tool coupling swaged to the core of the exshaft at the

opposite end from the manifold connection and rmly tighten the device. Connect the appropriate air

pressure source to the machine. For more information see “Air Supply” section.

Turn on the water supply.

Layout the exshaft as straight as possible. DO NOT start the machine with the exshaft in a coiled

position.

Depress the foot switch. Move the throttle valve located next to the air supply connection slowly until

the air motor starts to turn the exshaft. Adjust this valve to the desired RPM for the cleaning device

and exshaft being used. At the same time, water will pass through the machine and out the end of

the exshaft casing near the cleaning device. Remove your foot from the foot switch and both the

water and rotation of the shaft will stop. Restart the machine and observe the water output from the

end of the exshaft casing. A constant stream of water should be discharged from the casing as the

core rotates. If no water is discharged from the exshaft, check the hose and hose connection for any

“kinks” that would restrict water ow. Depress the foot switch again and observe the water ow from

the end of the exshaft. If no water is discharged, discontinue use of the machine and contact an

Elliott service facility.

10 0420 Roto-Jet

DIAGRAM B

TOOL TIP

Operate the exshaft as straight as possible to minimize any sharp radius

bends. This applies to both brush insertion and at maximum cleaning

length. Operating the exshaft in a constant sharp radius will ex fatigue

the wires in the core reducing its strength. Allowing the cleaning device

to exit the tube while rotating can cause premature shaft failure in the

tool coupling area. Never exit the tube with the tube cleaning device in

operation. For more information see “Technical” section.

TOOL TIP

Measure the length of the tubes being cleaned from the tube sheet to the tube

sheet at the opposite end. Transfer this measurement to the exshaft from

the END of the cleaning device up the casing toward the machine. Mark the

end of the measurement on the casing by wrapping the point with electrical

tape. This will enable you to feed the exshaft through the tube and stop the

cleaning device before exiting the tube on the opposite end.

TOOL TIP

Start to clean the tube bundle from the top of the unit to the bottom. Clean

the bundle one row at a time, marking with soapstone, each row of tubes that

have been cleaned.

Manifold Cap

Brass Coupling

Drive Coupling

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