Makita HM1214C Hammer section, Gear and Crank section, Barrel and AVT mechanism Cylinder section

Page 3
Fig. 1C

P 3/ 20

Repair

[2]LUBRICATIONS

[2]-2 Hammer section

Apply Makita grease R.No.00 to the following portions designated with the black triangle to protect parts and product from unusual abrasion.

Item No.

Description

Portion to lubricate

 

 

 

 

18

Barrel complete

a Inside of Tool holder guide which accepts Tool holder

 

 

b Inside of Barrel complete for smooth moving of Weight guide of AVT.

 

 

 

 

 

 

24

X ring 21

Out side for smooth moving of Impact bolt in Tool holder

 

 

25

Fluoride ring 28

 

 

 

 

 

 

35

Cylinder 40

a Apply approx. 10g grease for smooth moving of Striker and Impact bolt

 

 

b Apply approx. 10g grease for smooth moving of Striker and Piston

 

 

 

 

 

 

44

Pin 12

Drum portion for smooth moving of Connecting rod

 

 

 

 

Fig. 1B

Barrel and AVT mechanism

Cylinder section

Weight guide, covering

 

Shoulder sleeve

 

Piston

18 b

Counter weight

Counter weight

 

 

Connecting

 

 

 

Striker

 

 

 

a

b

rod

 

 

35

25

 

 

 

 

 

 

 

 

 

a

 

Slide sleeve

24

35

 

44

 

 

 

 

 

 

 

Tool holder guide

Compression spring 58

Impact bolt

 

 

 

 

 

 

 

(factory-assembled)

Cylinder guide

 

 

Rubber ring 24

 

 

 

 

 

 

 

 

[2]-3 Gear and Crank section

Apply Makita grease N.No.1 and Makita grease R.No.00 to the following portions designated with the black triangle to protect parts and product from unusual abrasion.

Item No.

Description

 

Portion to lubricate

55

Oil seal 20

Lip portion

 

a little of Makita grease R No. 00

61

Crank housing complete

a Gear room for smooth engaging of Gears

approx. 50g Makita grease N.No.1

 

 

b Crank room

 

approx. 60g Makita grease R No. 00

65

Needle bearing 1613

Needle portion where Counter shaft is accepted a little of Makita grease R No. 00

Fig. 1D

 

 

 

 

 

Gear and Crank section

 

 

 

 

Helical gear 52

 

 

 

 

55

 

 

 

a

 

 

 

 

 

Gear complete 34-48

 

 

 

 

61

b

 

 

 

 

 

Ball bearing 6304LLU

 

 

 

Crank shaft

Counter shaft

 

 

 

 

 

 

 

65

 

 

Image 3
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