
FF-MM-300-REV - 00
Page 5
Operation and Maintenance Guide Pneumatic Needle Scalers
Suggested Lubricants
Brand
Above 27oC / 80oF
5oC to 27oC / 41oF to 80oF
Below 5oC / 80oF
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 OiI
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
Indoil
Servo Spyn -22
--
--
Air Supply
The Scalers work best at 6.2 bar (90 psi) air pres-
sure. The air should be clean, dry and lubricated.
Install a FRL unit as close as operation will
permit.
Hoses
Daily before operation check the hoses, especially the
high pressure hoses for damage or leaks
Use genuine Teryair spares and if possible mention the
serial number of the Pneumatic Needle Scaler when
ordering spares. Use genuine Teryair spares and if pos-
sible mention the serial number of the Pneumatic
Needle Scaler when ordering spares.
a. Shut off the air supply and allow residual
Pressure to bleed off.
b. Unscrew Allen Bolt (19) from Straight
Front Tube (16). Now remove Straight
Front Tube (16).
c. Unscrew similar Allen Bolt (19) from Inter-
mediate Tube (17). Now remove Interme-
diate Tube (17), Anvil (14), Needle Holder
(15) with Needles (20), and Compression
Spring (18) and replace it with new ones. (If
found damaged/worn-out)
d. Unscrew Valve Body (5) from Main Body
(1). Now remove Piston (3), O-ring (2), and
Sleeve Grip (4) from Main Body (1).
Diassembly and Re-assembly for SN24ST
e. Unscrew Valve Cap (6) with O-ring (7) from
Valve Body (5). Now remove Valve Spring
(8), Valve Stem (9), and O-ring (10) from
Valve Body (5) and replace them with new
ones. (If found damaged/worn-out).
f. Remove O-ring (7) from Valve Cap (6) and
replace it with the new one.
g. Remove Roll Pin (12) from Valve Body (5).
Now remove Throttle Lever (11) from Valve
Body (5).
h. Coat parts with the recommended light oil
before re-assembling. Now follow the above
steps in a reverse manner to reassemble the
Needle Scaler.