Form Z698
Date 3-02/A
Page 1 of 4
INSTRUCTIONS AND PARTS LIST FOR
SC41011AS PNEUMATIC SCALERS
Read and understand and these instructions before operating this tool.
SAVE THESE INSTRUCTIONS!
INTENDED USE
The intended use of this tool is for cleaning, paint stripping, and chiseling on metal surfaces. Do not use this tool for
any other purpose.
AIR SUPPLY
The efficiency of the tool is dependent on the proper supply of clean dry air at 90 psig (6.2 bar). The use of an in-line
filter and pressure regulator will insure maximum output and tool life. Before connecting the tool, blow out the air line to
remove water and dirt which may have accumulated.
LUBRICATION
An airline lubricator, set to deliver one drop per minute, is recommended. If a lubricator is not used, add
.04 oz (1.2 cc) of Sioux No. 288 air motor oil into the inlet daily.
HOSE AND HOSE CONNECTIONS
The supply hose I.D. should not be less than 5/16(8mm). Do not use coupling or fitting with a smaller I.D. than the
supply hose. When using quick couplers, install a leader hose between the tool and the quick coupler.
GENERAL OPERATION
Operation
Scaler tools with a solid back head do not have on/off valve control integral with the tool. Trigger control is provided
with add on components. Be sure the needles or chisel are against the work piece before depressing the throttle.
Release the throttle to stop the tool.
The scalers are convertible to be used as either a chisel scaler or needle scaler. The needle housing is removed or
installed by pushing the needle housing onto the front of the tool to interlock on the tab extending out the side of the
tool.
The chisels or needle scaler driver are installed or removed by pulling up on the tab extending from the side of the tool
to release the chisel.
Never operate the scaler without a chisel because internal damage can occur to the tool.
Always unhook tool from the air supply before changing chisels.
IF THE TOOL LOSES POWER, CHECK THE FOLLOWING:
Air pressure
Ensure that there is adequate supply of clean, dry air at 90 psig (6.2 bar).
Chisels and needles
Check for worn and broken chisels or needles.
Hose size
Ensure that the hoses, couplers, and fittings meet the criteria in HOSE AND HOSE CONNECTIONS.
Sluggish or erratic operation
Flush tool out with a small amount of petroleum solvent and operate for a few seconds, then re-lubricate the tool
using air motor oil. If the tool still does not perform correctly it will need to be disassembled and repaired.
Printed In U.S.A.
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PARTS LIST FOR SC41011AS SCALERS
Fig. Part
No. No. Description
1. 602380 Solid Backhead
2. 601793 Backhead Lock Ring
3. 601796 Backhead Positioning Spacer
4. 601802 Valve Block Button
5. 601803 Dowel Pin (2)*
6. 601804 Flutter Valve
7. 601805 Valve Block
8. 601806 Plunger
9. 601807 Cylinder Sleeve
10. 601808 Tool Nose Key
11. 601809 Tool Nose
12. 601810 Retainer
13. 601811 Retainer Buffer
14. 601812 Barrel
15. 601813 Retainer Clip
601822 Retainer Clip (Heavy Duty Use)
16. 601814 Needle Holder
17. 601815 Needle Spring
18. 601816 Round Needle Tube
19. 601817 Needle Driver
20. 2260 Needle Set of 19 (5" X .125")
2262 Needle Set of 19 (7" X .125)
ASSEMBLIES WITH INCLUDED PARTS LISTED:
601818 Valve Block Assembly (Includes Fig 18-21)
601819 Round Needle Attachment (Includes Fig 30-34)
601820 Barrel Assembly (Includes Fig 23-25, 28)
NOT SHOWN:
601860 Needle Tube Cover
*Order Quantity As Required
FURNISH CATALOG, SERIAL, AND MODEL NUMBER
WHEN ORDERING PARTS
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Some dust created by power sanding, sawing, grinding, drilling, and other construction activities
contains chemicals known to cause cancer, birth defects or other reproductive harm.
El polvo generado al lijar, aserrar, afilar, taladrar y realizar otras tareas de construcción contiene
sustancias químicas que podrían causar cáncer, malformaciones congénitas y otras alteraciones del
aparato reproductor.
Printed In U.S.A.
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