Instruction/ maintenance manual of the product HR2450T Makita
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Models No. Description PR ODUCT T ECHNICAL INFORMA TION C ONCEPTION AND MAIN APPLICA TIONS S pecif ication S tandard equipment O ptional accessories < Note > The standard equipment for the tool sho wn may differ from country to country .
R epair P 2 / 2 2 < 1 > Lubrication to the bit holder section Apply MAKIT A grease to the following portions to protect parts and product from unusual abrasion. * MAKIT A grease RA No.1 to the portions designated with black triangle. * MAKIT A grease F A No.
R epair P 3 / 2 2 < 2 > Lubrication to the machine parts Apply MAKIT A grease to the following portions to protect parts and product from unusual abrasion. * MAKIT A grease RA No.1 to the portions designated with black triangle. * MAKIT A grease F A No.
R epair P 4 / 2 2 < 3 > Assembling quick change chuck (1) Mount torsion spring 31 by inserting pin of torsion spring 31 into the hole of tool holder and mount 2 pcs. of steel ball 6.0 to tool holder . See Fig. 1. (2) Mount change ring to the inside of change cov er while aligning the hole of change ring with the hole of change cov er .
R epair P 5 / 2 2 < 4 > Disassembling quick change chuck (4) Mount steel ball 5.0 to the space between change cov er and tool holder . And secure the steel ball 5.0 with leaf spring. See Fig. 4. (5) Mount flat washer 24. See Fig. 5. (6) Secure flat washer 24 with ring spring 21.
R epair P 6 / 2 2 < 5 > Assembling quick change drill chuck Leaf spring Flat washer 24 Flat washer 24 Ring spring 21 Steel ball 5.0 Leaf spring Leaf spring Fig. 15 Fig. 16 Fig. 18 Fig. 16A (5) Remov e ring spring 21. Then, flat washer 24 can be remo ved from tool holder .
R epair P 7 / 2 2 (4) Mount torsion spring 31 to the chuck holder by inserting its short pin into the pin hole of chuck holder . See Fig. 21. Insert the short pin of torsion spring 31 into the pin hole of chuck holder .
R epair P 8 / 2 2 < 6 > Disassembling quick change drill chuck Fig. 27 Fig. 28 Fig. 29 Fig. 30 Fig. 29A Fig. 31 Fig. 32 Fig. 33 Fig. 34 Steel ball 5.0 Leaf spring Leaf spring Flat washer 24 Flat washer 24 Ring spring 21 Leaf spring (1) Remov e ring spring 21.
R epair P 9 / 2 2 < 7 > Disassembling change le ver (1) Separate cap from change le ver . See Fig. 35. (1) Apply grease to the pin of change l e v er and O ring 17. Refer to "< 2 > Lubrication to the machine parts" in page 3 . < Note > Be careful, not to lose lock button and compression spring 3.
R epair P 1 0 / 2 2 < 9 > Disassembling armature Fig. 40 Fig. 41 Fig. 42 Fig. 43 1. Remov e handle cover by unscre wing 3 pcs. of tapping screw 4 x 45. And remove carbon brushes as illustrated in Fig. 40. 2. Separate gear housing together with armature, from motor housing by unscre wing 4 pcs.
R epair P 1 1 / 2 2 < 10 > Disassembling tool holder guide section ( 1 ) After rem o ving change l e v er ( See page 9 ), separate gear housing from motor housing as illustrated in Fig.
R epair P 1 2 / 2 2 < 12 > Disassembling impact bolt ( 1 ) Referring to "< 10 > Disassembling tool holder guide section" in page 1 1 , rem o v e ring spring 29, w asher 31, compression spring 32 and spur gear 51 from tool holder guide.
V ise R epair P 1 3 / 2 2 4. Insert "No.1R236 Round bar for arbor" and push the inner parts of tool holder guide as deep as possible to ward the inner housing side. See Fig. 51 5. Pick up ring spring 28 with plier and take of f it from tool holder guide as illustrated in Fig.
R epair P 1 4 / 2 2 < 14 > Disassembling swash bearing (1) Referring to at page 6 , disassemble the product in the order of Fig.40, Fig.41, Fig.42, Fig.44 and Fig. 45 in page 1 0 and 1 1 . And separate inner housing together with tool holder section and swash bearing section from gear housing as illustrated in Fig.
R epair P 1 5 / 2 2 (6) Reassemble swash bearing section temporarily to gear housing, and hold gear housing as illustrated in Fig. 59. So, swash bearing section tilts in the direction of arro w . K eeping the illustrated position, remove swash bearing section by striking the edge of gear housing with plastic hammer .
R epair P 1 6 / 2 2 < 15 > Assembling swash bearing section < 16 > Assembling swash bearing section to piston cylinder (1) Apply grease to the parts of s w ash bearing section referring to "< 2 > Lubrication to the machine parts" in page 3 .
R epair P 1 7 / 2 2 Clutch cam Clutch cam Change plate Cam shaft Change plate Spur gear 10 Clutch cam Change plate Compression spring 7 Compression spring 6 Spur gear 10 Retaining ring S-7 (6) Set change plate in the groov e of clutch cam, and assemble the clutch cam with change plate to cam shaft as illustrated in Fig.
Back side R epair P 18 / 2 2 < 18 > Assembling needle bearing complete 1. Apply MAKIT A grease RA No.1 to the inside of needle baring complete. 2. Putting needle bearing complete on No.1R165 "Ring spring setting tool B" press gear housing onto the needle bearing complete with arbor press as illustrated in Fig.
C ircuit diagram P 19 / 2 2 Color index of lead wires Black White Red Blue Clear 1 2 3 4 1 2 C1 C2 M1 M2 Switch Field Noise suppressor Po wer supply cord Brush holder Brush holder Connected to field ore For some countries, noise suppressor of two lead wire type is used, or noise suppressor is not used.
W iring diagram P 2 0 / 2 2 Fix field lead wire (black) with lead holder as per the illustration. Fix field lead wire (black) with lead holder as per the illustration. Fix noise suppressor's lead wire (clear) with lead holder as per the illustration.
C ircuit diagram P 2 1 / 2 2 Color index of lead wires Black White Red Blue Clear 1 2 3 4 1 2 C1 C2 M1 M2 Switch Field Noise suppressor Po wer supply cord Brush holder Brush holder Connected to field ore For some countries, noise suppressor of two lead wire type is used, or noise suppressor is not used.
W iring diagram P 2 2 / 2 2 Fix field lead wire (black) with lead holder as per the illustration. Fix field lead wire (black) with lead holder as per the illustration. Fix noise suppressor's lead wire (clear) with lead holder as per the illustration.
An important point after buying a device Makita HR2450T (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita HR2450T yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita HR2450T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita HR2450T you will learn all the available features of the product, as well as information on its operation. The information that you get Makita HR2450T will certainly help you make a decision on the purchase.
If you already are a holder of Makita HR2450T, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita HR2450T.
However, one of the most important roles played by the user manual is to help in solving problems with Makita HR2450T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita HR2450T along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
