Universal Tool UT9912 Bedienungsanleitung

Recoilless Needle Scaler

UT9912

Description

The Universal Tool model UT9912 Recoilless Needle Scaler features a patented vibration dampening system. The low

vibration and high blow frequency results in less operator fatigue and increased production. This versatile tool is used on

flat and irregular surfaces for removing weld flux, paint, rust, scale and to resurface concrete.

PL-2079 FPMC

Read Operating Instructions

Always become familiar with all the instruc-

tions and warnings before operating any

pneumatic tool.

Always Wear Approved Eye Protection

Impact resistant eye protection should meet

or exceed the standards as set forth in the

United States ANSI Z87.1, Occupational and

Educational Eye and Face Protection. Look

for the marking Z87.1 on your eye protection

to insure that it is an approved style. For

further information, ANSI Z87.1, Occupa-

tional and Educational Eye and Face

Protection, is available from the American

National Standards Institute, Inc., 11 West

42nd Street, New York, NY 10036.

Hearing Protection is Recommended

Hearing protection should be used when the

noise level exposure equals or exceeds an 8

hour time-weighted average sound level of

85dBA. Process noise, reflective surfaces,

other tools being operated nearby, all add to

the noise level present in your work area. If

you are unable to determine your noise level

exposure, we recommend the use of hearing

protection.

Avoid Prolonged Exposure

to Vibration

Pneumatic tools can vibrate during use.

Prolonged exposure to vibration or very

repetitive hand and arm movements, can

cause injury. Stop using any tool if discom-

fort, tingling feeling or pain occurs. You

should consult your physician before

resuming use of the tool.

90 PSIG Maximum

This tool is designed to operate at an air

pressure of 90 pounds per square inch

gauge pressure (90 PSIG) maximum, at the

tool. Use of higher air pressure can, and may

cause injury. Also, the use of higher air

pressure places the internal components

under loads and stresses they were not

designed for, causing premature tool failure.

The air supply should be clean and dry,

preferably lubricated. For best results, drain

the moisture from your compressor daily.

PLEASE READ AND FOLLOW ALL WARNINGS

Specifications

Number of needles ....................................................... 18

Needle size ......................................................... Ù" X 7"

Blows per minute ..................................................... 9000

Stroke length ............................................................... ¼"

Vibration level ....................................................... 3 m/s2

Overall length .......................................................... 12¼"

Weight ................................................................. 4¼ lbs.

Air inlet ............................................................... ¼" NPT

Hose size ............................................................. Ú" I.D.

Average air consumption ....................................... 3 CFM

Maximum operating pressure ................................ 90 PSI

Universal Tool

A Division of Florida Pneumatic Manufacturing Corporation

851 Jupiter Park Lane, Jupiter, Florida 33458

Toll Free 1-800-327-9403

WARNING: SOME DUST CREATED BY POWER SANDING, SAWING,

GRINDING, DRILLING, AND OTHER CONSTRUCTION ACTIVITIES

CONTAINS CHEMICALS KNOWN TO CAUSE CANCER, BIRTH

DEFECTS OR REPRODUCTIVE HARM. SOME EXAMPLES OF THESE

CHEMICALS ARE:

LEAD FROM LEAD-BASED PAINTS

CRYSTALLINE SILICA FROM BRICKS, CEMENT AND OTHER

MASONRY PRODUCTS

ARSENIC AND CHROMIUM FROM CHEMICALLY TREATED LUMBER

YOUR RISK FROM THESE EXPOSURES VARIES, DEPENDING ON

HOW OFTEN YOU DO THIS TYPE OF WORK. TO REDUCE YOUR

EXPOSURE TO THESE CHEMICALS, WORK IN AWELL VENTILATED

AREA AND WORK WITH APPROVED SAFETY EQUIPMENT SUCH AS

THOSE DUST MASKS THAT ARE SPECIALLYDESIGNED TO FILTER

OUT MICROSCOPIC PARTICLES.

UT9912

Installation

The UT9912 Recoilless Needle Scaler is designed to operate

with 90 PSIG. Lower pressure (below 90 PSIG) will reduce

performance of the tool while higher air pressure (over 90

PSIG) raises the performance of the tool beyond its rated

capacity and could cause serious damage to tool and operator.

Always use clean dry air. Excessive moisture and dirt will

greatly reduce the life of any air tool. We recommend the

installation of an in-line filter-regulator-lubricator as close to the

tool as possible.

A 3/8" air hose is required up to a length of 8 ft. If more length

is required, a 1/2" air hose should be connected to the 3/8"

hose to ensure the tool has the necessary air supply. Be sure

all hoses and fitting are the correct size and tightly secured.

Recoilless Needle Scaler

Lubrication

1. An automatic in-line filter-regulator-lubricator is recom-

mended to increase tool life and keeps the tool operating

properly. The in-line lubricator should be regularly

checked and filled with Marvel air tool oil or equivalent.

Proper adjustment of the in-line lubricator is performed by

placing a sheet of paper next to the tool exhaust ports and

holding the throttle open approximately 30 seconds. (The

lubricator is properly set when a light stain of oil collects on

the paper). Excessive amounts of oil should be avoided as

it will decrease tool performance.

2. In the event that it becomes necessary to store the tool for

an extended period of time (overnight, weekend, etc.), it

should receive a generous amount of lubrication at that

time. The tool should be run for approximately 30 seconds

to ensure oil has been evenly distributed throughout the

tool. The tool should be stored in a clean and dry environ-

ment.

3. Recommended lubricants:

Use Marvel Air Tool Oil or any other high grade turbine oil

containing moisture absorbents, rust inhibitors, metal

wetting agents and an EP (extreme pressure) additive.

Operation

After properly setting up the tool, air lines, air supply and work

area, the scaler is ready to use. The UT9912 does not operate

like conventional needle scalers, tool operators should take

time to familiarize themselves with the feel and operation of this

design for best results.

This model operates two to three times higher than the fre-

quency of conventional scalers. The higher frequency results

in smoother operation and a smoother finished surface than

with conventional scalers.

Scaling efficiency depends on the force applied to the scaler.

For efficient material removal on most applications, applying an

intermediate force will give the best results.

Lubricate tool regularly and properly. Always wear safety

equipment during operation. Check condition of tool and

needles before each use. Avoid free air operation of this tool,

always apply tool to work before pressing throttle. This tool is

designed for 1/8" X 7" long needles, although different lengths

will work as well.

Caution - Never operate scaler without the

needles installed and pressed against the work surface.

Doing so may result in personal injury or damage to the

tool.

Warning - This tool may produce flying

objects. Always wear eye protection during operation.

Installing Replacement Needles

Before the tool is connected to the air supply, clear the air hose

of accumulated dust and moisture. Before removing a tool for

service or changing accessories, make sure the air line is shut-

off and drained of air. This will prevent the tool from operating if

the throttle is accidently engaged.

1. Push in the front assembly (Ref. No. 1) and twist to the

open slot, then pull needle assembly (Ref. Nos. 1-4) out of

housing.

2. Remove old needles (Ref. No. 4) from holder (Ref. No.

3) and replace with new needles, making sure the needle

heads fit into the countersunk holes in needle holder.

3. Slide needles through spring (Ref. No. 2) and front

nosepiece (Ref. No. 1). Check that driver (Ref. No. 6) and

spacer (Ref. No. 5) are placed inside housing correctly.

4. Lubricate entire needle assembly with a light coating

of oil. Reassemble by sliding assembly into the housing, line

up slot, then depress and twist to lock in place.

5. Lubricate tool through inlet with air tool oil and run in a

protected area to check operation.

1Front assembly 101510 1

2Spring 6NRV-95-2 1

3Needle holder 6NRV-95-3 1

4Needles 109020 (Set of 19) 1

5Spacer 6NRV-95-4 1

6Driver 6NRV-95-8 1

7Housing 101280 1

8Support ring 6NRV-95-6 1

9Spring 6NRV-95-9 1

10 Piston 6NRV-95-12 1

11 Piston ring 6NRV-95-13 1

12 Limit ring 6NRV-95-14 1

13 Ball 6NRV-95-17 1

Replacement Parts List for UT9912 Recoilless Needle Scaler

Ref. Description Part # Qty Ref. Description Part # Qty

Recoilless Needle Scaler

UT9912

FPMC

14 Retainer ring 6NRV-95-19 1

15 Cylinder 6NRV-95-18 1

16 Piston ring 6NRV-95-22 1

17 Rear housing 260080 1

18 Lever assembly 120450 1

19 O-Ring 115120 1

20 Valve stem 120460 1

21 O-Ring 115145 1

22 Valve spring 118090 1

23 O-Ring 115135 1

24 Valve cap 120470 1

25 Pin D847031 1

UT9912

Recoilless Needle Scaler

FPMC

Recommended Air Line Set-Up

Trouble Shooting

Tool failure, loss of power or erratic action may be caused by factors outside the tool. Make the following checks:

1. Check air pressure. For rated performance, 90 PSIG air pressure is required AT THE TOOL with tool operating. A

drop in air pressure may be caused by lowered compressor output, excessive drain on the air line or use of hose or

connections of improper size (or in poor condition).

2. Check for wet or dirty air in system. Wet air tends to wash lubricant away from tool and may rust and corrode the

components. Dirt and foreign matter in the air supply will impede action of the tool and cause damage to the internal

mechanisms. If dirt or water has entered the tool, flush with Marvel air tool oil or equivalent.

Limited Warranty

Universal Tool warrants its tools to be free from defects in material and workmanship for one year from the date of

purchase. This warranty does not apply to tools which have been abused, misused, modified or repaired by someone

other than Universal Tool or its authorized service centers. If a Universal Tool proves defective in material of workman-

ship within one year after purchase, return it to any authorized service center or to Universal Tool, freight prepaid. Please

enclose your name, address and adequate proof of purchase date with a brief description of the defect. Universal Tool

will, at its option, repair or replace defective tools, free of charge. Repairs or replacements are warranted as described

above for the remainder of the warranty period. Universal Tool's sole liability and your exclusive remedy under this

warranty is limited to repair or replacement of the defective tool. There are no other warranties expressed or implied and

Universal Tool shall not be liable for incidental, consequential or special damages, or any other damages, costs or

expense of repair or replacement as described above.

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