Teryair N-24 Operating manual

Needle Scaler N - 24
Operation & Maintenance Guide
FF - MM - 08 REV - 3Sheet 1 of 4
ISO 9001 : 2008

FF - MM - 08 REV - 3
Exploded View,
Assembly and Part List N-24
12
34
567
8910
11 12
13
14
15 16 17 18
19 20
Illus.Part Part Qty /
No. No. Description Tool
1 022 4001 Needle Guide 1
2 022 4017 Stop Ring 1
3 022 4021 Nut 1
4 022 4023 Clamp Bolt 1
5 022 9004 Needle (3mm x 180mm) 23
-- 022 9008 Needle (2mm x 180mm) 53
6 022 4045 Needle Supporter (3mm) 1
-- 022 4047 Needle Supporter (2mm) 1
7 022 4019 Throttle Anvil 1
8 022 4002 Cylinder 1
9 022 9023 Cylinder Lock Pin 1
10 022 4005 Front Washer 1
11 022 4003 'O' Ring, Housing 1
12 022 4007 Housing 1
13 022 9029A Throttle Valve Assembly 1
14 022 9027 Valve Packing 1
15 022 9025 Valve Cap 1
16 022 4009 Piston 1
17 022 4011 Rear Washer 1
18 022 4013 Rear Plug 1
19 022 9031 Throttle Lever 1
20 022 9033 Lever Pin 1
-- 022 9039 Hex Key 1
-- 022 9041 Nipple 1
-- 022 9043 Reducer 1
Sheet 3 of 4
Note : Always use genuine TERYAIR spares part for
best performance.

Needle Scaler N-24
Operation & Maintenance Guide
FF - MM - 08 REV - 3
OPERATION:
Scalers are rugged dependable tools designed to give you years, of satisfactory service. Follow the instructions
mentioned here to enhance life and performance of your scalers.
DAILY BEFORE OPERATING:
Disconnect and pour in 1 to 2 ounces of recommended oil into the tool and reconnect hose after blowing out any
accumulated dirt in the hose line before connection.
AIR SUPPLY:
The Scalers work best at 6.2 bar (90 psi) air pressure. The air should be clean, dry and lubricated. Install a FRL
unit as close as operation will permit.
CAUTION:
Assemble Hose Nipple in the Housing (12) (supplied separately)
To dis - assemble N - 24 scaler disconnect air supply and loosen clamp bolt (4). Slide out needle guide (1).
Unscrew stop ring (2). Pull out needle supporter (6) and slide out needles (5). Slide out anvil (7).Unscrew rear bolt
(18) and tap out cylinder (8) and punch out lever pin (20) and remove lever (19). Examine all components for wear
after washing with light diesel oil or suitable solvent. Replace any worn or damaged parts. Coat parts with
recommended light oil and reassemble carefully in the reverse sequence.
RECOMMENDED LUBRICANTS:
LUBRICATION REQUIREMENTS:
Always install a line lubricator on the air line as close to the tool as possible. A Filter Regulator Lubricator unit (FRL)
is strongly recommended. Keep the lubricator bowl topped up with recommended grade of oil and check that the
oil is reaching the tool. Running the tool without lubrication is likely to cause damage to the components causing
premature replacement.
ABOVE 270C - 800F
50C-270C 400F-
800F BELOW 50C 400F
SHELL Toona R. 72 Toona R. 41 Toona R.27
MOBIL Almo 529 Almo 527 Almo 525
ESSO ----- Arox.EP.65 Arox EP.45
CALTEX Rando Oil 100 Rando Oil 100 Rando Oil 46
CP ----- ----- Airolene Tool Oil
TEXACO Regal oil F (R&O) Regal Oil PE (P&E) Regal Oil PE (R&O)
DALTRON Silkolene 881 Silkolene 548/T Silkolene 733
BURMAH CASTROL Castrol RD Oil 3 Castrol Rd Oil Light Megna SPX
DUCKHAM Garnet 7 Garnet 6 Zero Fio 5
STERNOL Merlin 87 Merlin 71 Merlin 54
PETROFINA Purifoc 53 Purifoc 46 Purifoc 32
CHEVRON Vistac Oil 18X Vistac Oil 19X Vistac Oil 9X
IND OIL Servo Spyn – 22 ----- -----
Sheet 2 of 4
MAINTENANCE:

FF - MM - 08 REV - 3Sheet 4 of 4
INTENDED USE
Needle scalers are used for surface preparation work involving the cleaning or removal of paint, rust,
dirt, or weld slag from metal & non - metal surfaces. These tools also work well on irregular surfaces such as
crevices & corners. The needles are heat - treated & quickly replaceable. Needle scalers are used in marine,
offshore & petrochemical plants.
TECHNICAL DATA
SR. NO. MODEL NO. CAPACITY IN BPM NEEDLES
1 N – 24 4200 1) 2mm x 180 x 53
2) 3mm x 180 x 23
2 N – 28 4750 1) 2mm x 180 x 65
2) 3mm x 180 x 28
3) 4mm x 180 x 14
3 SN- 24PG 3000 1) 2mm x 180 x 40
2) 3mm x 180 x 19
4 SN – 24ST 3000 1) 2mm x 180 x 40
2) 3mm x 180 x 19
5 SN – 20ST 4000 1) 2mm x 180 x 40
2) 3mm x 180 x 19
6 SN – 16PG 4000 1) 2mm x 180 x 29
7 SN – 29PG 2200 1) 2mm x 180 x 40
2) 3mm x 180 x 28
3) 4mm x 180 x 19
Needle Scaler N-24
Operation & Maintenance Guide
SAFETY INSTRUCTIONS:
Always wear suitable protection such as ‘eye goggles’ ear muffs’ safety shoes etc. to safeguard against possibility
of flying particles.
Never operate the tool over the rated 6.2 bar (90 psi) air pressure. Do not exert excessive pressure against the
work surface.Keep hoses in good condition. Check hoses for signs of wear cracks & bulges and ensure that they
are secure. Accidental disconnection while hose is pressurized makes the hose whip and can be a safety hazard.
Please check the hose connection prior to starting Needle Scaler.
Be aware that these tools can create dust & flying debris.
Keep hands & clothing away from moving parts.
Store these tools in secure & dry environment.
Do not allow the tool to run unattended.
Do not modify this tool in any way as this will invalidate the warranty and could lead to serious injury.
Do not allow the tool to run continuously whilst not in conact with the surface being prepared.
Do not hold the exposed needles whilst the tool is in use this could cause vibration damage to the hands.
Do not use the tool in potentially explosive environments.
Do not drag this tool by air hose.