RADIAL DRILL PRESSMODEL G1131

INSTRUCTION MANUAL

1995 BY GRIZZLY IMPORTS, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY IMPORTS, INC.OCTOBER, 1995. PRINTED IN USA

DISCONTINUED MACHINE MANUAL DISCLAIMERTHE INFORMATION IN THIS MANUAL REPRESENTS THE LAST CONFIGURATION OF THE MACHINE BEFORE IT WAS DISCONTINUED.

MACHINE CONFIGURATIONS MAY HAVE CHANGED AS PRODUCT IMPROVEMENTS WERE INCORPORATED. IF YOU OWN AN EARLIERVERSION OF THE MACHINE, THIS MANUAL MAY NOT EXACTLY DEPICT YOUR MACHINE . CONTACT CUSTOMER SERVICE IF YOU

HAVE ANY QUESTIONS ABOUT DIFFERENCES. PREVIOUS VERSIONS ARE NOT AVAILABLE ONLINE.

WARNINGSome dust created by power sanding, sawing, grind-ing, drilling, and other construction activities containschemicals known to the State of California to causecancer, 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.• Arsenic and chromium from chemically treated

lumber.

Your risk from these exposures varies, depending onhow often you do this type of work. To reduce yourexposure to these chemicals: work in a well ventilatedarea, and work with approved safety equipment, suchas those dust masks that are specially designed to fil-ter out microscopic particles.

Grizzly Imports, Inc. is proud to offer theModel G1131 Radial Drill Press. When usedaccording to the guidelines stated in thismanual, you can expect years of trouble-free, enjoyable operation from this finemachine.

The Model G1131 is intended for home andmedium-duty professional use. It features a1,720 R.P.M., 1/2 HP capacitor-start motor,ON/OFF switch with a removable securitylock, and heavy-duty cast iron table andbase for long-lasting dependability.

The single-phase, 110V motor uses shield-ed ball bearings, which require no lubrica-tion for the life of the bearings. The belt-dri-ven spindle assembly features 5 speeds,ranging from 580 to 3,000 RPM. Power istransferred to your workpiece via a 1/2" key-adjustable chuck.

This manual is designed to offer tips onsafety and proper operating procedures, aswell as providing you with detailed parts listsand diagrams. If you have any questions orcriticisms regarding the Model G1131 or thismanual, please direct them to:

Manager, Technical DocumentationGrizzly Industrial, Inc.

P.O. Box 2069Bellingham, WA 98227-2069

Most importantly, we stand behind ourmachines. We have two excellent regionalservice departments available, should theneed arise. If you have any service ques-tions or parts requests, please call or writethe appropriate location listed below.

Grizzly Industrial, Inc.1203 Lycoming Mall Circle

Muncy, PA 17756Phone:(570) 546-9663

Fax:(800) 438-5901E-Mail: techsupport@grizzly.comWeb Site: http://www.grizzly.com

To operate this, or any power tool, safelyand efficiently, it is essential to become asfamiliar with it as possible. The time youinvest before you begin to use your ModelG1131 will be time well spent. DO NOToperate this machine until you are com-pletely familiar with the contents of this man-ual.

Section 1:Introduction To TheModel G1131 Radial

Drill Press

REMEMBER: ALWAYS WEAR ANSI-APPROVED EYEWEAR AND HEAR-ING PROTECTION WHEN OPERAT-ING THIS, OR ANY OTHER SHOPMACHINERY.

eral assistance or replacement parts, pleasecontact the appropriate regional servicedepartment listed in the introduction.

Additional information sources are neces-sary to realize the full potential of thismachine. Trade journals, woodworkingmagazines, and your local library are goodplaces to start.

WARNING!Like all power tools, there is danger associ-ated with the Model G1131 Radial DrillPress. Use the tool with respect and cautionto lessen the possibility of mechanical dam-age or operator injury. If normal safety pre-cautions are overlooked or ignored, injury tothe operator or others in the area is possi-ble.

The Model G1131 was specifically designedfor precision drilling operations in wood andmetal. DO NOT MODIFY AND/OR USETHIS DRILL PRESS FOR ANY OTHERPURPOSE. Modifications or improperuse of this tool will void the warranty. Ifyou are confused about any aspect of thismachine, DO NOT use it until you haveanswered all your questions.

ON/OFFSWITCH

BELT ENCLOSURE

SPINDLETRAVEL CONTROL

DRILLCHUCK

HORIZONTALCOLUMN

FORE/AFTTRAVEL LOCK

DEPTH STOPADJUSTMENT

TABLE HEIGHTADJUSTMENT

VERTICALCOLUMN

DRILLTABLE

CAST IRONBASE PLATE

The specifications, drawings, and pho-tographs illustrated in this manual representthe Model G1131 as supplied when themanual was prepared. However, due toGrizzly’s policy of continuous improvement,changes or modifications may be made atany time with no obligation on the part ofGrizzly. Whenever possible though, wesend manual updates to all owners of a par-ticular tool or machine. Should you receiveone, add the new information to this manualand keep it for later reference.

The information in this manual has beenobtained from sources we believe to be reli-able and as up-to-date as possible. Wehave included some important safety mea-sures which are essential to this machine’soperation. While most safety measures aregenerally universal, Grizzly reminds you thateach workshop is different and safety rulesshould be considered as they apply to yourspecific situation.

We recommend you keep a copy of our cur-rent catalog for complete informationregarding Grizzly warranty and return policy.If you need additional technical informationrelating to this machine, or if you need gen-

1. KNOW YOUR POWER TOOL. Read theowner’s manual carefully. Learn the tool’sapplications and limitations, as well as itsparticular hazards.

2. KEEP ALL GUARDS IN PLACE and inworking order.

3. GROUND ALL TOOLS. If an adapter isused to accommodate a two-prongreceptacle, the adapter plug must beattached to a known ground. Neverremove the grounding prong.

4. REMOVE ADJUSTING KEYS ANDWRENCHES. Make it a habit to checkthat keys and wrenches are removedfrom the machine before turning it on.

5. KEEP WORK AREA CLEAN. Clutteredareas and benches invite accidents.

6. AVOID DANGEROUS ENVIRON-MENTS. Do not use power tools in dampor wet locations or expose them to rain.Keep your work area well lighted.

7. KEEP CHILDREN AND VISITORSAWAY. All children and visitors should bekept a safe distance away from your workarea.

8. MAKE WORKSHOP CHILD-PROOFwith padlocks, master switches, or byremoving starter keys.

9. DO NOT FORCE TOOL. Tools work bet-ter and safer when they are allowed toperform at their own speed. A speedchart located in this manual offers specif-ic guidelines for drilling operations.

10. WEAR PROPER APPAREL. Do notwear loose clothing, gloves, neckties, orjewelry that can get caught in movingparts. Non-slip footwear must be worn.Tie back, or wear a hat over long hair.

11. NEVER STAND ON, OR LEAN ON THETABLE SAW.

12. USE SAFETY GLASSES AND EARPROTECTION. Also use a DUST MASKif the cutting operation is dusty.

13. DO NOT OVERREACH. Keep properfooting and balance at all times.

14. MAINTAIN TOOLS IN TOP CONDITION.Keep tools sharp and clean for best andsafest performance. Follow instructionsfor lubricating and changing accessories.

15. DISCONNECT TOOLS FROM POWERbefore servicing and when changingaccessories, such as blades, bits, andcutters.

16. AVOID ACCIDENTAL STARTING. Makesure the switch is in the “OFF” positionbefore plugging in the cord.

17. CHECK DAMAGED PARTS. Do notoperate the machine until you are certainit is in perfect running condition.

18. NEVER LEAVE THE TOOL RUNNINGUNATTENDED - TURN POWER OFF.Do not leave the tool until it comes to afull stop.

19. DO NOT USE THE TOOL IF USINGDRUGS, ALCOHOL, OR MEDICATION.

20. DO NOT WORK IN HASTE or operatemachine if you are fatigued.

21. IF THERE IS SOMETHING YOU DONOT KNOW OR UNDERSTANDABOUT THIS TOOL, DO NOT OPER-ATE IT! Ask for help first. Confusion canlead to disaster.

22. BAD HABITS ARE DANGEROUS.Review all safety procedures often.

Section 2:Safety Guidelines

Section 3:Controls AndAdjustments

HEIGHT ADJUSTMENTTable height adjustment on the ModelG1131 Radial Drill Press is controlled by arack-and-pinion gearing system. To controlthe height of the table:

1. Release the locking lever on the rear ofthe table’s gear housing, mounted onthe vertical column.

2. Turn the adjustment crank clockwise orcounterclockwise to achieve a desiredtable height.

3. Re-tighten the locking lever to keep thetable from moving out of its desiredposition.

SIDE-TO-SIDE ADJUSTMENTThe table can be rotated from side-to-side,or completely 180° out of the way of spindletravel, so larger objects can be placed onthe work surface built into the base of thedrill press. To rotate the table:

1. Loosen the locking lever at the back ofthe table’s gear housing.

2. Move the table to its desired position.

3. Re-tighten the locking lever.

ANGLE ADJUSTMENTThe table’s angle relative to spindle travelcan be adjusted to 45° left or right. To adjustthe table tilt:

1. Loosen the hex bolt below the tablesupport.

2. Tilt the table to the desired angle, usingthe gauge built into the table support.

3. Once the table is adjusted to thedesired angle, re-tighten the bolt.

TABLE ADJUSTMENTS

ON/OFF SWITCHThe Model G1131 Radial Drill Press isequipped with a key-activated ON/OFFswitch for added safety. To switch on thedrill press:

1. Insert the safety key into the switchmechanism located at the front of thespindle assembly.

2. Flip the key to the ON position.

3. When drilling is complete, switch thekey to the OFF position. When the drillpress is not in use, remove the key fromthe switch and store it in a safe place.

DEPTH STOP ADJUSTMENTThe Model G1131 Radial Drill Press offersan adjustable depth stop for precision con-trol when making repetitive cuts to an exactdepth. To set the depth stop:

1. Adjust your table so your workpiece isclose enough to your drill bit to allowtravel to the full depth of cut you desire.

2. Drill your first hole to the depth youseek.

3. Turn off the drill press and lower thespindle until the bit reaches the base ofyour cut. With one hand, maintain thatdepth.

4. Loosen the depth stop knob located atthe hub of the spindle height wheel androtate the depth scale counterclockwiseuntil the pointer reaches zero.

5. Tighten the depth stop knob andrelease the height wheel.

Once the procedure is complete, your drillpress will deliver uniformly deep holes untilyou choose to change your settings.

SPINDLE RETURN SPRINGAlthough the spring-operated spindle returnis set at the factory, there may come a timewhen it’s necessary to adjust its level oftightness.

Should adjustment be required, carefullyloosen the two locknuts on the outside of thespring assembly (located on the spindlehousing)

Firmly grasp the spring housing as youloosen the locknuts and gently pull the hous-ing away from the spindle until the notchesclear the retainer tab. Turn the housingclockwise – one notch at a time – until theproper tension is attained. Tighten the lock-nuts. Tighten the two nuts together usingtwo wrenches.

SPINDLE SPEEDSThe Model G1131 features a five-speed beltdrive system – so you can adjust drillspeeds to match your project. To changespindle speeds:

1. Turn off and unplug the drill press andallow all moving parts to stop.

2. Loosen the tensioning knob located justforward of the motor mount.

3. Open the top of the belt housing andreduce tension on the belts by pushingthe motor toward the front of the drillpress.

4. Move the V-belt to a position thatreflects the spindle speed you desire.See the illustration below for beltspeeds. Always move the end of thebelt that will move toward a smaller pul-ley first.

5. When you have relocated the belt, re-tension the motor mount. A properlytensioned belt will have about 1/2" ofdeflection mid-way between pulleys.

6. Tighten the tensioning knob and closethe belt housing cover.

Never attempt to alter speeds by angling thebelt between un-matched pulleys. Doing socould damage the belt and burn out bear-ings in the spindle assembly.

SPINDLE MOTOR

3400 RPM

2325 RPM

1700 RPM

1140 RPM

740 RPM

TILTING DRILL HEADAdjust the drill head up to 45° clockwise orcounterclockwise by loosening the tilt lockknob on the right side of the horizontal col-umn support. An angle guide at the front ofthe column support allows you to determinethe angle of spindle travel.

Remember to square your spindle assemblyto the table with a machinists or combinationsquare when returning to the zero position.

ROTATING DRILL HEADThe drill head on the Model G1131 RadialDrill Press can be rotated a full 360° to han-dle projects too large to fit on the table orbase support. To rotate the head, loosen the4mm setscrews on the left side of the hori-zontal column support. Once loosened, thedrill head can be rotated to fit your project.Keep in mind, while rotating the head, thatthe electrical cord must turn along with themachine. Pay attention that the cord isn’tpinched or snagged as a result of the rota-tion.

FORE/AFT MOVEMENTThe drill head on the Model G1131 RadialDrill Press can be moved to front and backto accommodate smaller or larger projects.To adjust, loosen the tilt lock knob and slidethe horizontal column forward or backwardto suit your needs. Remember to ensurethat the spindle assembly is square to thetable before operating the machine.

SECTION 4 — MACHINE DATAGRIZZLY MODEL G1131 RADIAL DRILL PRESS

Design Type ..........................................................................................................Bench Model

Overall Dimensions:Table Size ................................................................................................................85/8"W x 91/8"Overall Height ......................................................................................................................311/2"Overall Width ............................................................................................................................12"Overall Depth............................................................................................................................34"Weight (Net) ........................................................................................................................84 lbs.

Construction:Table ..............................................................................................................................Cast IronColumn ........................................................................................................................Steel TubeBase and Head ..............................................................................................................Cast Iron

Motor:Type ............................................................................................................TEFC Capacitor StartHorsepower ..........................................................................................................................1/3 HPPhase/Cycle ....................................................................................................Single Phase/60HzVoltage ..................................................................................................................................110VAmps............................................................................................................................................6RPM ......................................................................................................................................1720Bearings ..........................................................................................Sealed & Lubricated For Life

Capacities:Spindle Travel ........................................................................................................................27/8"Max. Spindle-to-base ............................................................................................................151/2"Max. Spindle-to-table ............................................................................................................101/2"Spindle Taper ......................................................................................................................JT 33Swing ......................................................................................................................................71/2"Chuck Size ................................................................................................................................1/2"Speeds ............................................................................................740, 1140, 1700, 2325, 3400Quill Diameter ......................................................................................................................35mm

Features:Table Tilt ......................................................................................................0°-45° Left and RightTable Swing............................................................................................................................360°Drive ....................................................................................................................Five Step PulleyTable Locks ......................................................................................................................PositiveTable Height Adjustment ............................................................................................Worm GearMax. Spindle-to-base ............................................................................................................151/2"Head Tilt..................................................................................................0°-90° Right, 0°-45° Left

Specifications, while deemed accurate, are not guaranteed.

SECTION 5 — PARTS LIST & DIAGRAMDiag# Part # Description

1 PG1131001 BASE2 PG1131002 FLANGE3 PB07 HEX BOLT 5/16-18X3/4

4 PG1131004 RACK5 PG1131005 VERT. COLUMN6 PG1131006 CRANK7 PG1131007 TABLE BRACKET8 PW01 FLAT WASHER 1/2"9 PB53 HEX BOLT 1/2-12X110 PG1131010 TABLE11 PG1131011 CLAMP BOLT12 PG1131012 LCK HNDLE ASSY13 PG1131013 COLUMN BRACKET14 PSS02 STSCRW 5/16-18X3/8

15 PG1131015 LOCK KNOB16 PG1131016 MOUNT PLATE17 PG1131017 SPRING18 PG1131018 ADJ. BOLT19 PG1131019 MOTOR20 PG1131020 PULLEY COVER21 PG1131021 MOTOR PULLEY22 PG1131131 V-BELT23 PG1131023 KNOB24 PS04 PH. SCRW 1/4-20X1/2

25 PG1131025 SPINDLE PULLEY26 PG1131026 DRIVE SLEEVE27 PG1131027 40MM RET. RING28 PB203 6203-2RS BEARING29 PG1131029 KNOB30 PLW01 5/16" LOCK WSHR31 PLN08 1/2-20 LOCK NUT32 PG1131032 COVER W/SPRING33 PG1131033 HORIZ. COLUMN34 PG1131034 HEADSTOCK35 PSW07 SWITCH36 PSS02 STSCRW 5/16-18X3/8

37 PS22 PH. SCRW 10-24X5/8

38 PG1131038 SW. MOUNT CVR

Diag# Part # Description39 PG1131039 RUBBER WASHER40 PG1131040 QUILL41 PB202 6202-2RS BEARING42 PG1131042 SPINDLE43 PG1131043 CHUCK KEY44 PG1131044 1/2" CHUCK 45 PG1131045 SCALE SLEEVE46 PG1131046 PINION47 PG1131047 HUB48 PG1131048 HANDLE49 PG1131049 DEGREE SCALE50 PG1131050 12MM RET. RING51 PB201 6201-2RS BEARING52 PG1131052 POWER CORD53 PSS03 STSCRW 1/4-20X3/8

54 PS07 PH. SCRW 1/4-20X3/8

55 PG1131055 DOWN FD SCALE56 PG1183108 RIVET57 PG1131057 POINTER58 PG1131058 LOCK KNOB59 PG1131059 SPEC SETSCRW60 PN02 HEX NUT 5/16-1861 PG1131061 HANDLE62 PG1131062 LABEL63 PG1131063 WIRE STRAP64 PS06 PH. SCRW 10-24X3/8

65 PG1131065 MTR/SWITCH CORD66 PG1131066 SPEED CHART67 PG1131067 SPEC. BOLT68 PW07 FLAT WASHER 5/16"69 PG1131069 TABLE SCALE70 PG1131070 PIN71 PG1131071 WORM SHAFT72 PG1131072 HANDLE73 PSS01M STSCRW M6-1.0X1074 PG1131074 10T GEAR75 PG1131075 SAFETY LABEL76 PG1131076 LOCKING GIB

43

47

3937

55

5150

57

98

44

48

58

45

597560

3231

56

46

1

2303

4

27

34

36

2828

27

29

42

41

5

40

10

33

2064

65

66

54

38

61

24

53

22

23

6768

16

1536

12

71

73

74

69

7

11

14

13

5649

76

70

1718

53

21

26

62

25

35

52

672

24

63

G1131 RADIAL DRILL PRESS

Grizzly Imports, Inc. warrants every productit sells for a period of 1 year to the originalpurchaser from the date of purchase. Thiswarranty does not apply to defects duedirectly or indirectly to misuse, abuse, negli-gence, accidents, repairs or alterations orlack of maintenance. This is Grizzly’s solewritten warranty and any and all warrantiesthat may be implied by law, including anymerchantability or fitness, for any particularpurpose, are hereby limited to the durationof this written warranty. We do not warrantor represent that the merchandise complieswith the provisions of any law or acts unlessthe manufacturer so warrants. In no eventshall Grizzly’s liability under this warrantyexceed the purchase price paid for the prod-uct and any legal actions brought againstGrizzly shall be tried in the State ofWashington, County of Whatcom.

We shall in no event be liable for death,injuries to persons or property or for inci-dental, contingent, special, or consequentialdamages arising from the use of our prod-ucts.

To take advantage of this warranty, contactus by mail or phone and give us all thedetails. We will then issue you a “ReturnNumber” which must be clearly posted onthe outside as well as the inside of the car-ton. We will not accept any item back with-out this number. Proof of purchase mustaccompany the merchandise.

The manufacturers reserve the right tochange specifications at any time becausethey constantly strive to achieve better qual-ity equipment. We make every effort toensure that our products meet high qualityand durability standards and we hope younever need to use this warranty.

Please feel free to write or call us if you haveany questions about the machine or themanual.

Thank you again for your business and con-tinued support. We hope to serve you againsoon.

SECTION 6 — WARRANTY INFORMATION