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Description Cordless Recipro Saw ONCEPT AND MAIN APPLICATIONS Model BJR181 has been developed as the first cordless recipro saw that is powered by 18V/3.0Ah Li-ion battery. Whilst having the same basic construction as our AC model JR3050T, features the additional and original advantages, for example, as follows;...
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Assembling Pin 3 to the Blade clamp section [2] LUBRICATION and ADHESIVE Lubrication: Apply Makita grease FA No.2 to the following portions designated with the black triangle to protect parts and product from unusual abrasion. (Fig. 1) Adhesive: When reusing threadlocker coated screws, be sure to apply adhesive before tightening.
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P 3 / 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Blade Clamp Section Fig. 2 DISASSEMBLING Blade clamp section 1) Remove Shoe. If the Blade clamp section is positioned inside Gear housing, pull it out of Gear housing. (Fig. 2) 2) After removing Protector, remove Retaining ring S-18 with Retaining Ring S and R pliers (No.1R291).
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P 4 / 14 epair [3] -1. Blade Clamp Section (cont.) ASSEMBLING 1) Assemble Torsion spring 17 to Slider as illustrated in Fig. 7. Important: Be sure that Torsion spring 17 is not reversible when assemble to Slider. Follow the instruction described in Fig. 7. 2) Insert Compression spring 2 into the slit of Slider.
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P 5 /14 epair [3] -1. Blade Clamp Section (cont.) 5) While fitting the two projections of Driving sleeve in the concavities of Sleeve, push Driving sleeve into Gear housing. At this time, turn Driving sleeve clockwise so that the protruding portion of Driving sleeve cannot be interfered by Gear housing.
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P 6 /14 epair [3] -3. Slider Section DISASSEMBLING 1) After removing Shoe, then Insulation cover. (Fig. 13) 2) Remove the Blade clamp section. (See "[3] -1. Blade Clamp Section.) Fig. 13 For smooth removal of Insulation cover, apply soapy water into the slit between Insulation cover Insulation cover and Gear housing cover complete.
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Do the reverse of disassembling steps. Note: a) Do not forget to apply Makita grease FA No.2 to slider before assembling. (Fig. 19) b) Both of the two 14A Plane bearings are not reversible when assembled to Slider. Be sure to assemble as illustrated in Fig. 20.
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P 8 /14 epair [3] -4. Oil Seal 14, X Ring 14 Fig. 21 DISASSEMBLING 1) Referring to "[3]- 3. Slider Section", separate Gear Motor housing side housing cover complete from the tool. 2) Oil seal 14 can be removed by pushing X ring 14 toward the Blade clamp side using a slotted screwdriver as illustrated to left in Fig.
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Do the reverse of the disassembling steps. Note: a) Apply Makita grease FA No.2 to the following parts, before assembling: *Flat washer 14: the surface that contacts Gear assembly *Pin 10 (of Gear housing complete): surface that contacts Gear assembly b) Torx socket head screw M5x14 is threadlocker coated.
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P 10 /14 epair [3] -6. Armature DISASSEMBLING 1) Separate Gear housing cover complete from Gear housing complete. (fFig. 13 to Fig. 16) 2) Remove Carbon brushes. Then separate the assembly of Armature and Gear housing complete from Motor housing complete by unscrewing four 5x25 tapping screws.
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P 11 /14 epair [3] -7. Handle Section DISASSEMBLING See Fig. 29. 1) Removing Hook assembly. 2) Remove Handle R by unscrewing six 4x20 Tapping screws. Fig. 29 Be sure to remove Hook assembly before disassembling the handle section, Hook assembly because this portion interferes with the removal of Handle R.
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P 12 /14 ircuit diagram Color index of lead wires' sheath Black White Orange Blue Right view Brush holder, Right Left view Switch Brush holder, Left Right view Brush holder, Right Switch Connectors Protective Heatsink tube Brush holder, Left Left view Power supply circuit Terminal...
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P 13 /14 iring diagram 1) Handle L Be careful not to route Brush holder lead wire Fix Brush holder lead wire Handle L (red) over this boss. (black) with this lead wire holder. boss Switch Fastening Connecting Terminals to Switch See bottom left of this page.
P 14 /14 iring diagram 2) Motor Section Route the two Lead wires (black, white) of Power supply circuit as illustrated below. Connector of Connector of Route between rib A and rib B. Power supply circuit Power supply circuit rib A rib B Route through this hole rib A...