Alpha PSG-125 Instruction Manual Download Page 11

11

  CAUTION!

Lubricating the pneumatic grinder before and during work is not needed. 

Excessive oil will turn to a tar-like substance inside the tool, causing the 

vanes to stick in the rotor and slow the tool down. This is the reason we 

do not recommend automatic oilers to be used with this angle grinder. Old 

or worn compressors, which emit oil through the air lines, can significantly 

shorten the life of the tool.

helPFul hINt: 

•  Air throttle lever should be pressed and released slowly to 

allow the angle grinder to accelerate and decelerate during 

all  applications.  Rapid  acceleration  and  deceleration  can 

wear out the ball bearings prematurely.

helPFul hINt: 

•  Using a Filter Regulator System is Recommended

 FIlteR/ReGulAtoR SyStem 

Having a Filter/Regulator (See Fig. 6) 

helps  prevent  pressure  drops  when 

using  a  large  volume  of  air,  so  you 

can set the pressure of the pneumatic 

angle grinder to 90 PSI, while the main 

system  can  run  at  125  PSI. The  F/R 

unit  will  also  remove  any  water  from 

the air supply while also filtering the air 

of contamination down to five microns. 

By only using  aluminum and brass after the F/R unit, you are eliminating 

any rust and contamination from getting into the air tools.
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” inner diameter hose is highly recommended when operating this tool. 

An air supply hose is not included with the PSG-125 Pneumatic 

Angle Grinder. 

helPFul hINt: 

Use Hi-Flo couplers and plugs to obtain the maximum CFM through the 

tool.

Figure 6

Summary of Contents for PSG-125

Page 1: ...Part No PSG 125 Version 1 103 Bauer Drive Oakland NJ 07436 800 648 7229 Fax 800 286 0114 www alpha tools com Alpha 5 Pneumatic Angle Grinder Instruction Manual MANUAL ...

Page 2: ...otection 9 Cleaning the Rotor Assembly 9 How to Add the Rust Inhibitor Oil 10 Filter Regulator System 11 Connecting the Air Supply 11 Spindle Size 12 Sound Level 12 Attaching the Safety Guard 12 Mounting Diamond Wheels 13 Attaching the Side Handle 13 Operation 14 Throttle Operation 14 Exhaust Vent 14 PSG 125 Pneumatic Angle Grinder Schematic 15 PSG 125 Pneumatic Angle Grinder Parts List 16 Accesso...

Page 3: ...RNING and CAUTION DANGER Death or serious personal injury is imminent when handling this pneumatic angle grinder incorrectly WARNING There is a possibility of death or serious personal injury when handling this pneumatic angle grinder incorrectly CAUTION There is a possibility of personal injury or property damage when handling this pneumatic angle grinder incorrectly Note In some situations faili...

Page 4: ... contain long hair 7 WEAR PROPER EYE PROTECTION All users and bystanders must always wear proper personal eye protection which conform with ANSI ISEA Z87 1 CAN CSA Z94 3 Also use a face or dust mask if operation is dusty Always wear certified safety equipment 8 WEAR PROPER EAR PROTECTION All users and bystanders must wear proper personal ear protection which conforms with ANSI S12 6 S3 19 hearing ...

Page 5: ...nnect tool before servicing when changing blades 14 REMOVE ADJUSTING KEYS AND WRENCHES Form a habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 15 MAINTAIN TOOLS WITH CARE Keep tools clean at all times for best and safest performance Follow instructions for lubricating and changing accessories Keep handles dry clean and free of oil or grease Inspe...

Page 6: ...e 90 PSI 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 NPT Spindle 5 8 11 Max Disc Capacity 5 x 1 4 x 7 8 Max HP 1 4 HP 5 PNEUMATIC ANGLE GRINDER OVERVIEW Figure 1 ...

Page 7: ...7 8 Arbor 1 pc 2 Inner Flange 1 pc 3 Side Handle 1 pc 4 Hex Wrench 1 4 1 pc 5 Pin Wrench 1 pc 6 Double Open End Wrench 1 32mm 1 pc 7 Rust Inhibitor Oil 8oz 237ml AIR 008 1 pc 8 Safety Guard 1 pc EQUIPMENT INCLUDED Figure 2 ...

Page 8: ...ial fatigue only authorized service agents should carry out repairs Always wear safety glasses and respiratory protection when working with this machine It is further recommended to wear safety gloves apron as well as sturdy non slipping shoes Only use saw blades whose permitted speed is at least as high as the highest no load speed of the machine Be sure saw blade fits the tool properly and secur...

Page 9: ...day place 4 5 drops of rust inhibitor oil included with each angle grinder into the tool using the oil port Depress the throttle lever varying the speed from very low to half speed for thirty seconds This will allow the oil to transition into the rotor assembly and coat the inside of the tool CLEANING THE ROTOR ASSEMBLY Over time the rotor assembly can fill up with oil sludge vane dust residue and...

Page 10: ...the Rust Inhibitor Oil into the oil port See Fig 4 4 Reinstall the Oil screw 5 Reconnect the pneumatic angle grinder to your air supply 6 Depress the throttle lever varying the speed from very low to half speed for thirty seconds See Fig 5 Replacement Rust Inhibitor Oil can be purchased from Alpha Professional Tools Part No AIR 008 Figure 3 Figure 4 Figure 5 ...

Page 11: ...Fig 6 helps prevent pressure drops when using a large volume of air so you can set the pressure of the pneumatic angle grinder to 90 PSI while the main system can run at 125 PSI The F R unit will also remove any water from the air supply while also filtering the air of contamination down to five microns By only using aluminum and brass after the F R unit you are eliminating any rust and contaminat...

Page 12: ... BE WORN To comply with OSHA Occupational Noise Exposure Standard Number 1926 52 this tool is equipped with an internal Silencer System When the tool is operated correctly at 90 PSI the sound level emitted should be less than 86 4 dBA The internal Silencer System is also used to maintain a constant back pressure inside the tool this helps prevent it from exceeding the recommended 12 000 RPM The ex...

Page 13: ...ing the side handle Attach the handle into one of the two appointed locations for the most comfort and stability when operating this tool See Fig 10 Mounting diamond wheels OPTION 1 OPTION 2 Lock Nut Lock Nut Double Open end Wrench 1 32mm ...

Page 14: ...low coming out of the Pneumatic Angle Grinder operation THROTTLE operation Press the safety bar forward to unlock the spring mechanism Grip the body in a way that the throttle lever is depressed to activate the motor Releasing the throttle lever shuts down the motor Figure 11 Figure 12 ...

Page 15: ...15 alpha PSG 125 5 pneumatic ANGLE GRINDER SCHEMATIC ...

Page 16: ...Z 1 14 3002 0014 Bearing Holder 1 15 3002 0015 Oil Felt 1 16 3002 0016 Lubricator 1 17 3002 0017 Housing 1 18 3002 0018 O Ring 9 5x1 5 1 19 3002 0019 Screw M12x3T 1 20 3002 0020 Retaining Ring STW 9 1 21 3002 0021 Bevel Pinion Gear 1 22 3002 0022 O Ring 21 5x1 5 1 23 3002 0023 Ball Bearing 6000LLU 1 24 3002 0024 Front Bearing Case 1 25 3002 0025 Spring Pin 2 5x5 2 26 3002 0026 Cylinder 1 27 3002 0...

Page 17: ... 3002 0043 Pin 1 44 3001 0069 Spring 1 45 3001 0068 Safety Bar 1 46 3002 0046 Spring 1 47 3002 0047 Nylon Ball 1 48 3002 0048 O Ring 13 5x1 5 1 49 3002 0049 Bushing 1 50 3002 0050 O Ring 15 5x1 5 1 51 3002 0051 Retaining Ring RTW 20 1 52 3002 0052 Pin 4x22 8 1 53 3002 0053 O Ring 27x2 1 54 3002 0054 Muffler 1 55 3002 0055 Exhaust Vent 1 56 3002 0056 Spring 1 57 3002 0057 Exhaust Cover 1 58 3002 00...

Page 18: ...ives notice of such 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 not apply to Alpha accessories Returns within the warranty period should be sent in freight prepaid to an Authorized Warranty Service Center The warranty does not apply in situations where The tool has been misused abus...

Page 19: ...__ Email ______________________________________________________ Telephone __________________________________________________ Purchase Date ______________________________________________ Dealer s Name ___________________________________ Note Serial Model Number must be included for proper registration 800 648 7229 Mail or Fax to Alpha Professional Tools 103 Bauer Drive Oakland NJ 07436 Fax 800 286 ...

Page 20: ...Copyright 2016 Alpha Professional Tools All rights reserved 103 Bauer Drive Oakland NJ 07436 800 648 7229 Fax 800 286 0114 www alpha tools com 11 2016 ...

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