Makita HM1214C dimensions Repair DISASSEMBLY/ASSEMBLY 3-5. Motor section

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Repair

[3]DISASSEMBLY/ASSEMBLY [3]-5. Motor section

DISASSEMBLING

(1)Remove Rear cover (with “AVT” mark) from Crank housing complete (Re: the right illustration in Fig. 17)

(2)Disconnecting Carbon brush from Armature’s commutator, separate Motor housing from Crank housing complete. (Fig. 18)

(3)Disassemble Armature, by striking the edge of Crank housing complete. (Fig. 19)

(4)Ball bearings on Armature can be removed as illustrated in Fig. 34.

Fig. 34

1R269

Ball bearing 6000DDW

1R024

Insulation washer

Remove Ball bearing 6000DDW, and Insulation washer from the Commutator end,

Sealing screw and Ball bearing 6302LLU are removed in one process by pressing down with arbor press.

1R022

	Sealing screw
1R024	Ball bearing 6302LLU
	Ball bearing 6302LLU

1R023

ASSEMBLING

1R023

Do the reverse step of Disassembly.

Image 15

Contents Specification Optional accessoriesStandard equipment Repair Tool holder sectionTool holder section Approx g Makita grease N.No.1 Hammer sectionGear and Crank section Barrel and AVT mechanism Cylinder sectionChuck section DISASSEMBLY/ASSEMBLYAssembling Barrel sectionRepair DISASSEMBLY/ASSEMBLY 3-2. Barrel section Corrected Ring Fluoride ring 28 the worn oneBefore Correction Correction After CorrectionTool holder section Disconnection of the Contact of Carbon brush with Commutator Bearing box section, Piston, Crank sectionBearing box section, Crank housing section Filter case cover Filter caseHousing DISASSEMBLY/ASSEMBLY Wrench Repair DISASSEMBLY/ASSEMBLY 3-5. Motor section Pay attention not to lose Leaf spring in this step Electrical parts in Handle sectionLeaf Spring30 40 N.m Fastening torqueFastening TorqueMaintenance Program Controller Terminal Block Circuit diagramFig. D-2 Wiring diagram