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1. 234 235 amp 245 Indialand Global Industrial Park Taluka Mulsi Phase Hinjawadi Pune 411057 Maharashtra India Tel 91 20 66761111 Mexico Apex Tool Group Mexico S de R L de C V Vialidad El Pueblito 103 Parque Industrial Quer taro Quer taro QRO 76220 Mexico Tel 52 442 211 3800 Fax 52 442 103 0443 Quackenbush2. between the tee and the inlet bushing see diagram The 1 8 inch tee need not be installed at this time Adequate Air Supply This includes valves hoses couplings supply pressure etc Normally this test would be performed at the drilling site with the length of hoses and couplings in use Attach the air hose or the large quick disconnect coupling to the 1 2 inch tee Plug the air guage into the fitting on the tee Rapid advance the tool and read the guage pressure before and during rapid advance All 230 Drills Maximum Allowable Pressure Drop At Tool Inlet RAP ADV Flow Test psig psig Before During 90 82 100 90 110 98 115 102 See Appendix for unusual conditions The following tests should be done in the tool crib or repair maintenance area NOTE Remove the tool nose and spindle Air control system A C S pressure checks The 1 8 inch tee should also be installed at this time see diagram Feed piston pressure plug air guage into the A C S Start motor with the drill button The tool automatically goes into feed with the motor running The A C S pres sure must be over 60 psig Top End Throttle Piston 1 2 Tee Air Control System Pressure Tap Inlet Pressure Tap If the pressure is 0 60 psig it would indicate a very substantial leak in the air control system a damaged side air hose or fitting a damaged stop button assembly check valve or a leaking feed piston On B model tools this cou
3. Parts Manual 823170 Quackenbush 381273 230QGDA Tool Maintenance Kit amp Pressure Test Instructions For additional product information visit our website at www apextoolgroup com TOOL MAINTENANCE amp PRESSURE TEST EQUIPMENT KIT 381273 230 QGDA RAB SU MS 230 OGDA RAC SU MS Positive Feed 230 QGDAV RAB SU MS Right Angle amp Inline 230 QGDAV RAC SU MS Drills 230 QGDB SU MS 230 QGDBV SU MS This kit and instructions are for use in conjunction with the Operating Instructions and Service Manual provided with the above drills CONTENTS OF TOOL MAINTENANCE amp PRESSURE TEST EQUIPMENT KIT 381273 382370 Tool Box 823170 Contents list diagram and instructions 381272 Guage and fitting assembly 382360 Hex wrench bar 382361 Offset hex wrench 382362 3 16 inch pin wrench 382363 Bevel pinion socket 844767 Dowel Pin 382364 Cage Holder 382365 Throttle Cylinder Wrench 622466 Spindle Wrench The hex wrench bar is to assist tightening cap screws to straighten stack of 5 belleville springs if re quired and to install cylinder plug 382552 The cage holder holds spider 612050 or 613277 Performing Pressure Tests Thisisagovernedairmotor andairflow usually increases as the load increases A variable speed drill motor will use more air at higher speed settings For all tests on the following pages screw the 1 2 inch pipe nipple and tee directly into the inlet bushing of the air tool Do not use a quick disconnect fitting
4. ad Apex NC 27539 Phone 919 387 0099 Fax 919 387 2614 www apextoolgroup com York Pennsylvania Apex Tool Group Sales amp Service Center 3990 East Market Street York PA 17402 Tel 717 755 2933 Fax 717 757 5063 Brazil Apex Tool Group Sales amp Service Center Av Liberdade 4055 Zona Industrial Iporanga 18087 170 Sorocaba SP Brazil Tel 55 15 2383929 Fax 55 15 2383260 Canada Apex Tool Group Sales amp Service Center 7631 Bath Road Mississauga Ontario L4T 3T1 Canada Tel 866 691 6212 Tel 905 673 4400 China Apex Power Tool Trading Shanghai Co Ltd Building A8 No 38 Dongsheng Road Pudong Shanghai China 201201 Tel 86 21 60880320 Fax 86 21 60880313 823170 Printed in USA 12 2013 Copyright Apex Tool Group LLC England Apex Tool Group GmbH amp Co OHG C O Spline Gauges Piccadilly Tamworth Staffordshire B78 2ER United Kingdom Tel 44 1827 8741 28 Fax 44 1827 8741 28 France Apex Tool Group S N C 25 rue Maurice Chevalier B P 28 77831 Ozoir La Ferri re Cedex France Tel 33 1 64 43 22 00 Fax 33 1 64 43 17 17 Germany Apex Tool Group GmbH 8 Co OHG Industriestra e 1 73463 Westhausen Germany Tel 49 0 73 63 810 Fax 49 0 73 63 81 222 Hungary Apex Tool Group Hungaria Kft Platanfa u 2 9027 Gy r Hungary Tel 36 96 66 1383 Fax 36 96 66 1135 India Apex Power Tools India Private Limited Gala No 1 Plot No 5 S No
5. ld indicate a badly leaking signal valve Also a severely clogged A C S filter might be the problem or a clogged metering seat 382491 Excess Leakage A C S Turn on the air supply and press the drill button Press the rapid advance lever and return the lever fully This places the tool into the air lock mode with the throttle open the motor stalled and the air control system A C S pressurized Plug the air gauge alternately into each small quick disconnect fitting The difference in pressure should be no more than 7 psi A difference of more than 7 psi means excessive leakage in the A C S See Appendix Il Lift the retract lever The retract valve will move with and audible snap Again the difference in pressure should be no more than 7 psi when plugging the air gauge alternately into each quick disconnect fitting Press the stop button Exhaust deflector and retract lever reset Throttle Closing Test The throttle unlatches and closes as the air control system pressure drops With the air gauge plugged into the A C S place the tool back into the air lock mode Now very gradually press the stop button The throttle should close when the A C S pressure drops to between 42 50 psi If the throttle doesn t close the throttle piston may be sticking or the latch piston 382490 is not functioning properly Signal Valve Venting Use the highest air supply pressure available 110 psig maximum With the air gauge plugged into the air c
6. ontrol system place the tool back into the air lock mode Lift the retract lever The retract valve will move with an audible snap Depress the plunger of the venting signal valve assembly 381117 The A C S pressure will drop and the throttle should close If the A C S pressure does not drop below 38 psig the A C S system is receiving an oversupply of air or does not vent properly An oversupply of air to the A C S system may be caused by leakage around the O D of the metering seat 382491 or leakage past the lower O ring 869712 on the drill button shaft APPENDIX Unusual Drilling Conditions If the air supply conditions valves hoses fittings etc can not be improved to meet the tool inlet pressure operating conditions in the chart or if the supply pressure static must be below 90 psig the tool may operate adequately at the work site if the pressure at the inlet tee while drilling and cutting chips does not drop below 70 psi This would require monitoring the particular tool at the job site while in use to ensure the pressure at the inlet tee does not drop below 70 psig APPENDIX II Locating Excessive Leakage In The A C S Most air leaks create a hissing noise that is easily heard if background noise is not too loud With the air supply on place a small punch against the bottom end of the throttle piston place the punch through the throttle cylinder slot or the throttle cylinder end cap This will prevent the throt
7. tle from opening if you push firmly Now push the drill button a small amount until the A C S is holding pressure Remove the punch You will now be able to locate leaking air audibly Some leakage at the retract valve is normal By lifting the retract lever you can detect excess leakage at the signal valve or in the retract piston air circuit Missing O rings or a damaged signal valve are the most common sources of excessive leakage Sales amp Service Centers Note All locations may not service all products Please contact the nearest Sales amp Service Center for the appropriate facility to handle your service requirements Detroit Michigan Apex Tool Group Sales amp Service Center 2630 Superior Court Auburn Hills MI 48326 Tel 248 393 5640 Fax 248 391 6295 Houston Texas Apex Tool Group Sales amp Service Center 6550 West Sam Houston Parkway North Suite 200 Houston TX 77041 Tel 713 849 2364 Fax 713 849 2047 Lexington South Carolina Apex Tool Group 670 Industrial Drive Lexington SC 29072 Tel 800 845 5629 Tel 803 951 7544 Fax 803 358 7681 Los Angeles California Apex Tool Group Sales amp Service Center 6881 Stanton Avenue Unit B Buena Park CA 90621 Tel 714 994 1491 Fax 714 994 9576 Seattle Washington Apex Tool Group Sales amp Service Center 2865 152nd Avenue N E Redmond WA 98052 Tel 425 497 0476 Fax 425 497 0496 Apex Tool Group LLC 1000 Lufkin Ro
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