Exhaust Vent ................16 Optional Wet Cutting ..............17 PSG-125 Pneumatic Angle Grinder Schematic ......... 18 PSG-125 Pneumatic Angle Grinder Parts List ........19 Additional Hoses (Air Hose) .............. 21 Accessories and Factory Service ............27 Product Registration ................26...
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Should components which have been described need to be ® exchanged, please contact your dealer or Alpha Professional Tools CAUTION! • Attach the Wet Blade Cutting Kit correctly by following the procedure in this instructional manual.
INTRODUCTION ® Thank you for purchasing an Alpha PSG-125 Wet Cutting Kit. Please read this instruction manual thoroughly to ensure safe and correct use of the Pneumatic Angle Grinder. Keep this manual in a place where operators can access it easily whenever necessary.
State of California to cause cancer, birth defects, or other reproductive harm. Some examples of these chemicals are: - Lead from lead-based paints - Crystalline silica from bricks, cement and other masonry products, and - Arsenic and chromium from chemically-treated lumber. PSG-125 5” PNEUMATIC ANGLE GRINDER...
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19. USE SIDE HANDLES. Supplied with tool for control and safety. 20. STAY ALERT. Watch what you are doing and use common sense. Do not operate tool when you are tired, or under the influence of medication or alcohol. PSG-125 5” PNEUMATIC ANGLE GRINDER...
Air Consumption Max......... 33 CFM / 934 L/Min No Load RPM ................12,000 Weight .................4.6 lbs (2.1 kg) Length ..............11-3/4” (298mm) Air Inlet ................3/8” NPSM Spindle ..................5/8”-11 Max. Disc Capacity ............. 5” x 1/4” x 7/8” Max HP ..................1.4 HP PSG-125 5” PNEUMATIC ANGLE GRINDER...
11. Washer & Seal Set (M12) ..........2 pc 12. Screw (M12 x 16) ...............1 pc 13. Inner Flange for Cutting .............1 pc 14. Lock Nut for Cutting ............1 pc 15. Height Adjustment Spacer ..........1 pc PSG-125 5” PNEUMATIC ANGLE GRINDER...
The flange bolt must be tightened before starting to work with the machine. • The work piece must be secured if it is not heavy enough to prevent movement. • The tool is designed for cutting on horizontal surfaces. PSG-125 5” PNEUMATIC ANGLE GRINDER...
Repeat the process to see if this will correct the variation ® in sound. If the problem continues, contact an authorized Alpha Repair Center for routine repair and maintenance. PSG-125 5” PNEUMATIC ANGLE GRINDER...
6. Depress the throttle lever varying the speed from very low to half speed, for thirty seconds. (See Fig. 5) Replacement Rust Inhibitor Oil Figure 5 ® can be purchased from Alpha Professional Tools (Part No. AIR-008). PSG-125 5” PNEUMATIC ANGLE GRINDER...
® Alpha recommends the F/R Manifold 53 CFM for single use with the PSG-125 (Part No.1030-0022). All F/R manifolds are available through our distributor network, and via our website. CONNECTING THE AIR SUPPLY The air Inlet for this pneumatic angle grinder is 3/8” NPT. Using a 3/8” or 1/2”...
SPINDLE SIZE PSG-125 Pneumatic Angle Grinder has a 5/8”-11 spindle thread. ® The Alpha Maintenance and Usage Tip: • Do not leave the angle grinder submersed in water. This could expose the inner moving parts to moisture, which will shorten the life of the angle grinder.
Flange for Cutting (Schematic No. 75) along with the Lock Nut for Cutting (Schematic No. 76) which is included in the box of the PSG-125. This Inner Flange for cutting is thicker and will provide clearance for installation of the straight cutting blade.
Handle Bracket. The Handle Bracket will raise the Side Handle allowing more clearance between the material and Side Handle during cutting applications for more user comfort. Side Handle Figure 10 Side Handle Handle Bracket Washer & Seal Set Screw (M12x16) PSG-125 5” PNEUMATIC ANGLE GRINDER...
Releasing the throttle lever shuts down the motor. Figure 11 EXHAUST VENT The exhaust vent cover can be rotated 180 degrees to divert the air flow coming out of the Pneumatic Angle Grinder. Figure 12 PSG-125 5” PNEUMATIC ANGLE GRINDER...
See below for the recommended usage. CAUTION! NOTE: When using the PSG-125 for wet cutting and grinding, point the spray nozzle away from the spindle shaft and tool and down towards the cutting area as shown in Figure 13 & 14.
3/8” NPSM x 3/8” NPT Male 1030-0035 25ft./7.6m 3/8” NPSM x 3/8” NPT Male 1030-0037 30ft./9.1m 3/8” NPSM x 3/8” NPT Male 1030-0039 35ft./10.6m 3/8” NPSM x 3/8” NPT Male 1030-0041 40ft./12.1m 3/8” NPSM x 3/8” NPT Male PSG-125 5” PNEUMATIC ANGLE GRINDER...
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INSTRUCTIONS provides the highest quality parts and manufac- ® Alpha Professional Tools turing techniques in the manufacture of this product. In order to obtain the maximum effectiveness and provide the highest degree of safety, it is neces- sary to review and follow these instructions carefully before using the tool.
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INSTALLATION OF WBC6KIT GUARD 1. Select the collar that is compatible for the make and model of the grinder (Refer to the Compatibility Chart) Plastic collar 2. Place the collar on the neck of the grinder. Position the Safety Guard over the collar with the shield facing backwards. Push Down until the Safety Guard is firmly seated on the base of grinders neck.
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HOOK & LOOP STRAP INSTALLATION 1. Place the grinder on top of the Hook & Loop Strap. 2. Position the Hook & Loop Strap around the Water Hose Assembly and the grinder body. INSTALLATION OF EASYON-EASYOFF SLEEVE 1. Wrap the EasyOn-EasyOff Sleeve around the Water Hose Assembly and electrical cord.
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CONNECTING THE WATER SUPPLY 6” WET BLADE CUTTING KIT...
® (proof of purchase required). If Alpha Professional Tools defects during the warranty period, our obligation assumed under this warranty is limited to the repair or replacement of parts, without charge. This warranty does ®...
Note: Serial & Model Number must be included for proper registration. (800) 648-7229 Register online at: www.alpha-tools.com/productregistration.aspx Mail or Fax to: ® Alpha Professional Tools 16 Park Dr Ste 9, Franklin, NJ 07416 Fax: 800-286-0114 Photocopy of product registration form will be accepted. PSG-125 5” PNEUMATIC ANGLE GRINDER...
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