Cooper Tools Quackenbush 158QGDAV Service Manual

For additional product information visit our website at http://www.apextoolgroup.comOperation & Service Manual823172EN04/11/201115QDA-RAB-SU-RSRig

1011. Press drive gear needle bearing 847430, out if necessary. Installing new bearing, press bearing slightly below inside face of cover.12. Press id

1116. Press differential drive gear 622949 and differential feed gear together and slip out of housing 622986.17. Remove nose adapter (left hand threa

12GEAR CASE DISASSEMBLY18. Clamp gear case on large flats in vertical position. With appropriate wrench on flats loosen motor housing 613226.19. Slip

1320. Clamp gear case in vise and remove retainer ring 864240, with two screwdrivers.21. Push 2nd reduction spider and bearing out of gear case. Remov

14MOTOR UNIT DISASSEMBLY22. Clamp rotor shaft 864337, in vise and pull motor housing 613226, off motor.23. Drive rotor 864337, out of front bearing pl

15BACKHEAD DISASSEMBLY28. Remove exhaust deflector 612982, muffler 612983 and "O"-ring 617754, for inspection . Clamp hose adapter 624119, i

1630. Unscrew spring retainer 613060 and remove spring 613058, ball 844077 and push rod 613264, for inspection.REASSEMBLYGeneralThe tool should be rea

17Motor Unit31. When reassembling motor, measure rear bearing plate's inner face down to the bearing's inner race with micrometers. Cut newr

18847609622952622946847095617166625092622980614575619016622948617980619016614574622976844306847609622949842161617993DIFFERENTIALFEED GEAR623000

19PART NO.61382861457461457561457661714961716661716861778561796261798061799361901661968562240062240162294262294362294462294562294662294762294862294962

2• Quackenbush drills are designed to operate on 90psig (6.2 bar) air pressure. Excessive air pressure can increase the loads and stresses on to

208443646115348435898471472000 8436153000 8436155000 6176992000 8643763000 8643405000 8642372000 NONE3000 NONE5000 8642392000 8447743000 84477

21 500 864660 800 8643371000 8643381400 8643372000 8646603000 8643375000 864337812164844772864234847095812231843913864232864235613227.001 864730.002

22PART NO.20263261153461305861305961306061306361306661322661322761326361326461354461373361376061376161567461596061769962411962412762772062932262932363

231SPRING, COLLET622233101SHAFT, IDLER62298092SCREW, FULCRUM63262681ROLLER, NEEDLE (.031 X .300 LG)86345871LEVER, INDEX63262961COVER62509251BUSHING, L

24SPINDLE GUARDS 15SOLID SPINDLE GUARDSPart No. Name of Part Qty.624339 Spindle Guard 1" 1624340 Spindle Guard 2" 1624341 Spindle Guard 3&qu

25251116181413121SPACER, CLAMP63253383TUBING, NYLON62491071SWIVEL, FLUID63125662SCREW, SHC84239951RESERVOIR, MIST LUBRICATOR (PFSC)63180141FITTING, Y6

26NOTES

27NOTES

Sales & Service CentersNote: All locations may not service all products. Please contact the nearest Sales & Service Center for the appropriate

3The spindle on right angle positive feed drills retracts at a muchfaster rate than it feeds. Care should be taken to avoid entrapment.Nose pieces usu

4The tool is designed to operate on 90 psig air pressure using a 3/8" l.D. hose up to 8 feet in length. If additional length is required, a1/2 &q

5Eye protection must be worn when disassembling tool or when air line is turned on.A self relieving valve in close proximity to the repair station to

63. Clamp drill head in soft jawed vise in a vertical position and remove drill head and drill head adapter 613544 (both left hand threads).4. Remove

75. Insert spindle in front of drill head until it engages spindle drive gear 622950. Then with appropriate wrench 849902 remove drive gearretainer sc

87. To remove lever from retract body, loosen the two ball plungers 622954, with screwdriver. Push lever pin 844111, out and drive roll pin844787, wit

99. Loosen nose adapter and turn flats so two (6/32" X 3/8") flat head screws 863463, in cover 622974, can be removed. Then remove two(6/32&