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model t10446
heavy-duty 1" sds
hammer drill
oWner's manual
Copyright © JULy, 2011 By grizzLy indUstriaL, inC.
Warning: no portion of this manual may be reproduced in any shape
or form Without the Written approval of grizzly industrial, inc.
#ts14253 printed in China
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This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death. The owner of this machine/tool is solely responsible for its safe use. This responsibility includes but is not limited to
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section 1: safety For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazard- ous conditions. This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention meas
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disconnecting po Wer supply . forcing tools . d o not force tool. it always disconnect tool from power supply will do the job safer and better at the rate before servicing, adjusting, or changing for which it was designed. cutting tools (bits, blades, cutters, etc.). Make sure switch is in o FF position guards & covers . g uards and cov- before reconnecting to avoid an unex- ers can protect you from accidental con- pected or unintentional start. tact with moving parts or flying debris. Make
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a dditional safety instructions for hammer drills concealed items . d rilling into con- removing bit from hole . if the cealed items can cause personal injury drill stops rotating while it is in the hole, or property damage. always make sure it could become stuck and difficult to the area of drilling is free from items other remove. always remove the bit from the than masonry material, such as rebar, hole while it is still rotating and turn the wire mesh, water or gas pipes, electrical tool
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section 2: introduction f oreword contact info We are proud to offer this manual with We stand behind our tools. if you have any your new hammer drill! We've made every service questions, parts requests or gen- effort to be exact with the instructions, eral questions about the tool, please call or specifications, drawings, and photographs write us at the location listed below. of the tool we used when writing this man- ual. h owever, sometimes we still make an g rizzly industrial, inc. occasio
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section 3: set up unpacking inventory your tool was carefully packaged for model t 10446 inventory (f igure 1) safe transportation. r emove the packag- a. Carrying Case ....................................1 ing materials from around your tool and b. hammer drill assembly .....................1 inspect it. if you discover the tool is dam- c. hammer drill Bit sds 12 x 150mm ...1 aged, please immediately call Customer d. depth stop .........................................1 Service at (570) 546-966
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section 4: operations 5. tug on the bit to make sure it will not drill bits come out. — if the bit does come out when t he Model t 10446 uses sds hammer drill tugged, repeat steps 3–4. bits (see f igure 2 for examples). removing bit slots 1. disConneCt tooL FroM poWer! hammer drill bits become hot when used. a lways use a rag or heavy work gloves when removing a hot bit. figure 2. examples of sds drill bits. 2. pull the locking sleeve back and pull installing bit the bit straight out of t
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depth stop o peration Use the depth stop to halt the advance of t o use the hammer drill: the bit at the desired drilling depth. 1. if desired, slide the dust cup onto the t o attach the depth stop: bit with the cupped side facing the work surface. install the drill bit as instructed 1. disConneCt tooL FroM poWer! on the previous page. 2. Loosen the auxiliary handle and slide 2. adjust the depth stop for the drilling the depth stop into the hole on the depth desired. handle bracket (see fig
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section 5: accessories sds hammer drill bits h2499—small half-mask r espirator 3 h2640— ⁄16" x 4" h3631—medium half-mask r espirator 1 h2642— ⁄4" x 4" h3632—l arge half-mask r espirator 1 h2643— ⁄4" x 6" h3635—c artridge f ilter pair p100 5 h2646— ⁄16" x 4" Masonry dust has been linked to nasal 5 h 2647— ⁄16" x 6" cancer and severe respiratory illnesses. 3 h2650— ⁄8" x 6" if you work around dust everyday, a half- 7 h2652— ⁄16" x 6" mask respirator can be a lifesaver. also 1 h2654— ⁄ 2" x 6" c
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section 6: maintenance l ubrication ! t he hammer drill was lubricated with grease before it left the factory—this grease will last for approximately the first 50 hours of lubrication. after this period and every 50 hours of use thereafter, you will need to add grease. a lways disconnect po Wer t o add grease: before servicing, adjusting, or doing maintenance to reduce the risk of 1. disConneCt tooL FroM poWer! accidental injury or electrocution. 2. Clean away any dust from around the g
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section 7: service t roubleshooting symptom possible cause solution t ool will not start. 1. no power to the tool. 1. Make sure power circuit is adequate and providing power. 2. Fuse is blown or circuit 2. Check/fix loose or worn tripped. wires and shorts; replace fuse or reset circuit break- er. 3. switch is at fault. 3. replace switch. 4. Carbon brushes are worn. 4. replace the carbon brush. 5. Motor is at fault. 5. replace motor. Bit rotates slowly. 1. t oo much pressure on the 1. apply
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3. Unscrew the carbon brush caps from c arbon brush both sides of the motor, then remove r eplacement the carbon brushes. note: If the current brushes do not t he motor carbon brushes will wear with need replacement after inspection, re- use. if the motor becomes excessive- install them so that the curved surface ly noisy, loses power, or stops running, worn on the end of the brushes match inspect the brushes. if the brushes are the curve of the stator. This will pre- 1 shorter than ⁄
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parts breakdown Parts breakdown provided for reference only. Not all parts shown are available for purchase. -12- Model t10446 heavy-duty hammer drill 18 17 16 99 15 97 14 98 101 102 13 40 106 39 12 96 31 42 11 41 10 9 8 30 95 6 43 29 3 44 5 45 27 19 2 26 7 94 25 24 103 22 28 55 21 23 4 56 70 20 108 109 54 69 68 111 67 1 104 107 64 80 45 79 65 110 66 44 78 45 44 87 53 77 86 65 64 84 76 48 63 85 75 62 74 52 49 50 51 73 61 82 88 72 112 60 81 105 71 59 89 92 58 93 57
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parts l ist REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PT10446001 CLIP 8MM 60 PT10446060 GEARBOX BOTTOM COVER 2 PORS038 O-RING 37.5 X 2.0 S38 61 P627-OPEN BALL BEARING 627 OPEN 3 PT10446003 GREASE CUP COVER 62 PT10446062 RETAINER NUT 4 PT10446004 GEARBOX ASSEMBLY 63 PT10446063 LOCK WASHER 5 PT10446005 BALL BEARING 906 OPEN 64 PT10446064 FLAT WASHER 6 PT10446006 NEEDLE BEARING HK0810 65 PT10446065 THRUST WASHER 7 PT10446007 CONNECTION ROD 66 PT10446066 GEAR 8 PT10446008 DRIVE PISTON 67 PT104
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Warranty Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty and any and all warranties that may be implied by law, including any merchantability or fitness, for any par- ticular purpose, are hereby limited to the duratio
