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Makita DUC121 Technical Information

Manual is about: Cordless Chain Saw

Summary of DUC121

  • Page 1

    P 1/ 8 model no. Description product c oncept and main applications duc121/ duc122 14.4v/ 18v cordless chain saw 115mm (4-1/2) models duc121 and duc122 are cordless chain saws powered by the following li-ion battery; duc121 (14.4v): bl1415n (1.5ah), bl1415na (1.5ah), bl1430 (3.0ah), bl1430a (3.0ah),...

  • Page 2

    P 2 / 8 worktable sprocket cover knob 60 fig. 1 fig. 2 flat washer 6 depression of sprocket cover hooks of knob 60 protrusion of sprocket cover for fitting to handle r groove of sprocket cover description code no. Use for 1r237 round bar for arbor 8-100 1r263 bearing extractor 1r280 round bar for ar...

  • Page 3

    P 3 / 8 fig. 3 fig. 4 leaf spring spindle bearing housing 4x18 tapping screws (4 pcs.) fig. 5 fig. 7 fig. 6 stop ring e-8 hooked to spindle’s groove lock washer 12 sprocket 9 round shaped spindle end oval shaped spindle end put in the hole of 1r034 ball bearing 696zz ball bearing 609llb cam helical ...

  • Page 4

    P 4 / 8 assembling chain oil normal condition (if chain oil is not delivered from the exit after completing repairing, there is the possibility that filter in chain oil exit is clogged. Therefore, clean filter with kerosene. Filter in oil tank is clogged. After removing handle l, pick the filter out...

  • Page 5

    P 5 / 8 r epair [3] disassembly / assembly (cont.) [3]-5. Disassembling/ assembling filter in handle r [3]-6. Disassembling/ assembling motor section 1) strike the center of push nut gently using phillips screwdriver no.2 (fig. 11), push nut can be removed, and filter can be picked out of chain oil ...

  • Page 6

    P 6 / 8 [3] disassembly / assembly [3]-6. Disassembling/ assembling motor section (cont.) r epair 1) when mounting yoke on motor housing r, fit the notch of yoke into the protrusion of motor housing r. (fig. 14) 2) insert armature gear shaft to gear room of handle r, and fix motor housing to handle ...

  • Page 7

    P 7 / 8 w iring diagram fig. D-2 lead wire holder endbell complete fix lead wires for endbell complete with lead wire holders. Motor housing c ircuit diagram fig. D-1 yellow white color index of lead wires' sheath black red 1 2 3 endbell complete controller switch terminal line filter (if used) pass...

  • Page 8

    P 8 / 8 w iring diagram fig. D-3 fix lead wires from endbell complete and lead wires between switch and terminal in each lead wire holder as drawn below. Switch terminal controller pass lead wires through line filter one by one. Lead wire holders lead wire holder motor housing line filter (if used).