Teryair SN29PG Operation and Maintenance Manual
- Type
- Operation and Maintenance Manual
Needle Scaler SN29PG
Operation & Maintenance Guide
OPERATION:
SN29PG Needle Scalers are rugged, dependable tools designed to give you years of satisfactory service. Follow
the instructions mentioned here to enhance the life and performance of your scaler.
DAILY BEFORE OPERATING:
Disconnect and pour in 1 to 2 ounces of recommended oil in to the tool and reconnect hose after blowing out any
accumulated dirt in the hose line before connection.
AIR SUPPLY:
Tool should not be operated at air pressure below 5.5 Bar (80psi) and above 6.9 bar (100psi).The correct
operating pressure is 6.2 bar (90 psi).
Ensure that only 3/8" (10 mm) bore airline is used and all couplings are tight, leakproof and in good condition.
The air should be clean, dry and lubricated. Install a FRL unit as close as operation will permit.
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 5 FF - MM - 123 REV - 2
CAUTION:
Assemble Nipple in the control body (20) (supplied separately).
MAINTENANCE:
To disassemble SN29PG Needle Scaler- Disconnect air supply and loosen socket head bolt(18) on the front tube(06)
and slide out front tube(06) from intermediate tube(07). Unscrew socket head bolt(18) on intermediate tube(07) and
unscrew it and remove. Along with intermediate tube(07) different parts -Needle(10), spring return(05),Needle holder
(09) and Anvil (08) will come out. Separate them from intermediate tube (07) .Now hold housing (01) of the tool in
soft jaw vice and unscrew the sleeve (02) from housing (01). Slide out piston (03) from the sleeve (02). Remove ‘O”
Rings (04) (19) from sleeve (02). If necessary disassemble the throttle components-By opening the plug throttle valve
(12) and carefully pulling out the throttle valve (11), spring throttle valve(13), ‘O’ ring(17) on throttle valve(11) and ‘O’
Ring(14)on plug throttle valve (12). If necessary, punch out the roll pin (16) and remove lever (15 ) from control body
(20). Hold AIF of control body(20) in vice and un-screw housing(01) so that rubber grip(21) and control body (20) will
be separated.(Note: Usually housing (01) does not need to be dis assembled to remove control body(20) and rubber
grip(21). It is recommended that this assembly should not be dismantled.)
Clean all metal parts in light solvant and inspect carefully for signs of wear, Replace components that appear
worn out or damaged. Coat parts with recommended light oil and reassemble carefully in the reverse sequence.
Sheet 4 of 5 FF - MM - 123 REV - 2
Bill of Material for
SN29PG Needle Scaler
Note : Always use genuine TERYAIR spares part for best performance.
Illus No. Part No. Description Qty
01 100 97 16 Housing Assembly 1
02 100 21 02 Sleeve 1
03 100 21 03 Piston 1
04 100 40 12 O' Ring for Sleeve 1
05 100 51 08 Spring Return 1
06 100 24 09 Front Tube 1
07 100 24 10 Intermediate Tube 1
08 100 21 04 Anvil 1
09 100 21 05 Needle Holder (ø 3mm) 1
10 100 51 21CP Needle (ø 3X180CP) 28
11 100 25 11 Throttle valve 1
12 100 21 06 Plug Throttle valve 1
13 100 51 14 Spring Throttle Valve 1
14 100 40 15 O' Ring Plug Throttle Valve 1
15 100 30 12 Throttle Lever 1
16 100 50 19 Roll Pin (ø3.17X25) 1
17 100 40 16 O' Ring for throttle valve 1
18 200 90 68 Soc. Head Bolt (M8X30) 2
19 100 40 13 O' Ring for sleeve 1
20 100 21 07 Control Body 1
21 100 40 17 Rubber Grip 1
- 100 97 17 Housing with control body complete -
- 100 97 20 Control Body complete -
09 100 21 22 Needle Holder (ø 2mm)(Optional) 1
09 100 21 23 Needle Holder (ø 4mm)(Optional) 1
- 100 40 18 Plastic Plug 1
Needle Scaler SN29PG
Operation & Maintenance Guide
Sheet 5 of 5 FF - MM - 123 REV - 2
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
SAFETY INSTRUCTIONS:
Always wear suitable protection such as ‘eye goggles’ ear muffs’ safety shoes etc. to safeguard against possibility
of flying particles.
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.
SR. NO. MODEL NO. CAPACITY IN BPM NEEDLES
1) 2mm x 180 x 40
2) 3mm x 180 x 28
3) 4mm x 180 x 19
1) 2mm x 180 x 53
2) 3mm x 180 x 23
1) 2mm x 180 x 65
2) 3mm x 180 x 28
3) 4mm x 180 x 14
1) 2mm x 180 x 40
2) 3mm x 180 x 19
1) 2mm x 180 x 40
2) 3mm x 180 x 19
1) 2mm x 180 x 40
2) 3mm x 180 x 19
7 SN16PG 4000 1) 2mm x 180 x 29
3000
SN20ST 40006
SN29PG 2200
N24 4200
N28 4750
SN24PG 3000
1
2
4
3
5 SN24ST
-
1
-
2
-
3
-
4
-
5
Teryair SN29PG Operation and Maintenance Manual
- Type
- Operation and Maintenance Manual
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