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R

epair

[1] NECESSARY REPAIRING TOOLS

CAUTION: Disconnect the machine from the power source for safety before repair/maintenance!

1R005

Retaining Ring R Pliers RT-2N

1R023

Pipe Ring (for arbor press)

Removing Retaining ring R-80 from Crank box

Removing Helical gear 47

1R045

Gear extractor, large

1R346

Center Attachment for 1R045

Disassembling Tool retainer section

1R347

Jig for Tool Retainer Disassembling

1R231

1/4" Hex Shank Bit for M8

1R263

Bearing Extractor

Loosening/ tightening Hex socket head bolt M8x75

1R348

Spring Pin Extractor

Removing Spring pin 8-40 from Tool retainer shaft

Removing Ball bearings 

1R269

Bearing Extractor

1R291

Retaining Ring S and R Pliers

Removing Retaining ring S-20 from Crank shaft

784408-3

Socket Bit 13-55

Loosening/ tightening Hex nut M8 that secures Fan 100

Code No.

Description

Use for

[2] ADHESIVE APPLICATION AND LUBRICATION
[2] -1. Adhesive Application

Apply an appropriate amount of adhesive to the following parts in order to lock them against vibration loosening or
leakage.    Be sure to wipe off grease or oil from the parts before adhesive application.

Tool holder

10

Brush holder cap (2pcs)

Threaded portion

12

Hex socket head bolt M6x22 (4pcs)

22

Gear housing complete

Threaded portion

16

Hex bolt M5x85 (2pcs)

Threaded portion

Figure 8 inlaid portion that contacts Gear housing cover

83

Hex socket head bolt M12x55 (4pcs)

Threaded portion

Item No.

Description

Portion to apply adhesive

76

Hex socket head bolt M5x16 (2pcs)

Threaded portion

Threaded portion

94

Hex socket head bolt M12x45 (4pcs)

Fig. 1

22

: ThreeBond 1215

: ThreeBond 1321B or 1324,
  or Loctite 242

Barrel

83

94

Gear housing cover

12

16

10

Bearing box

Motor housing B

Field

Motor housing A

Crank housing

76

Plate

Summary of Contents for HM1810

Page 1: ...point Cold chisel Scaling chisel Clay spade Rammer Blows per min bpm min 1 Model HM1810 Protection from electric shock Net weight Kg lbs Power supply cord m ft Noise 2 dB A 2 Noise indicates sound po...

Page 2: ...ing tightening Hex nut M8 that secures Fan 100 Code No Description Use for 2 ADHESIVE APPLICATION AND LUBRICATION 2 1 Adhesive Application Apply an appropriate amount of adhesive to the following part...

Page 3: ...3 O ring 55 appropriate amount of Makita grease R No 00 to the whole portion 56 58 O ring 52 approx 20g of Makita grease R No 00 to the rollers of Needle bearing 66 Crank box approx 10g of Makita grea...

Page 4: ...nscrewing Brush holder caps be careful not to break the screwdriver insertion slot because the adhesive applied Brush holder caps are secured tight Socket Bit 13 55 No 784408 3 Fan 100 Bearing box Bea...

Page 5: ...ld remove by following the steps described below 1 Remove the parts of Fan 100 side Fan 100 Bearing box and Motor housing B See Figs 3 4 5 Note It is not necessary to remove Motor housing A and Field...

Page 6: ...extractors No 1R263 as illustrated in Fig 13 5 As illustrated in Fig 15 the assembly of Helical gear 50 and Spur gear 22 can be disassembled using Pipe ring No 1R023 Round Bar for Arbor 14 100 No 1R2...

Page 7: ...opriate amount of ThreeBond 1215 to the figure 8 inlaid portion that contacts Gear housing cover Then secure Gear housing cover to Gear housing complete with four M8x75 Hex socket head bolts Fig 19 He...

Page 8: ...ill the connection portion of Balancer comp and Connecting rod for balancer reciprocating is visible Now Connecting rod can be removed from Balancer complete and Crank complete as illustrated in Fig 2...

Page 9: ...nt Then aligning the elliptic hole of Crank complete with the crank pin on Crank shaft fit Crank box to Crank housing Fig 28 If the crank pin is not completely inserted into the elliptic hole or posit...

Page 10: ...om the removed Piston Fig 30D Do the reverse of the disassembling steps Note Striker and Spacer are not reversible when assembled to Cylinder liner 62 Be sure to install as illustrated in Fig 31 Fig 3...

Page 11: ...ecurely hold the arms of No 1R045 not to spread out or the arms will fall off from retainer ring and Compression spring and Retainer ring will fly away 4 Slowly loosen the handle of No 1R045 by turnin...

Page 12: ...hat the concave portion on Tool retainer shaft is positioned on the bit insertion hole of Tool holder 29 Slotted screwdriver Insert tool retainer shaft by tapping with plastic hammer till the Pin 4 in...

Page 13: ...e replaced If Cylinder B is contaminated with dust X ring 40 can be damged In this case also replace X ring 40 and clean up the inside of Barrel section 5 Take out Cylinder B from Barrel by tapping it...

Page 14: ...the following maintenance at the same time for longer service life of the machine 1 Replace the following parts Fig 47 56 O ring 52 mounted to Piston 58 O ring 52 mounted to Striker 84 O ring 53 mount...

Page 15: ...us Korea Lead unit Terminal block Insulated connector Insulated connector Pilot lamp Connector Insulated connector Switch Field Brush holder on side B Brush holder on side A Power supply cord Lead uni...

Page 16: ...White Red Orange Purple Motor housing B Field Side B Side A Other Countries Insulated connector Insulated connector Insulated connector Switch Field Brush holder on side B Brush holder on side A Power...

Page 17: ...side Lead wire holder C Fix the following lead wires with Lead wire holders A B and C A Two orange lead wires Field lead wire Lead wire from Brush holder B Two purple lead wires Field lead wire Lead...

Page 18: ...from Motor side as illustrated below Route round the pin then route between the boss and the inside wall of Handle sub base Route round the pin and the rib B then route between the boss and the insid...

Page 19: ...ead unit Relay wires white Lead wires of Power supply cord Route each wire between the boss and the inside wall of Handle sub base How to Put Noise Suppressor in Place 2 After installing Switch connec...

Page 20: ...ase Top cover Sponge sheet longer side shorter side Be sure to connect the lead wires after routing through the opening of Cap cover After connecting the lead wires put Connector Insulated connectors...

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