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PRODUCT

C

ONCEPT AND MAIN APPLICATIONS

S

pecification

S

tandard equipment

O

ptional accessories

Note:

 The standard equipment for the tool shown above may vary by country.

Model No.

 Description

MT817, MT818
Hammer Drills 13mm (1/2")

Models MT817 and MT818 have been developed as the cosmetic 

change of 

maktec

 hammer drills MT811 and MT812.

Their main features are:

 • Industrial performance and durability at less expense

 • Ergonomically designed handle with rubberized soft grip
The specification difference between these models are:

MT817/ 13mm (1/2") hammer drill with Keyed chuck

MT818/ 13mm (1/2") hammer drill with Keyless chuck
These models are also available with plastic carrying case 

as “K” models; MT817K, MT818K

No

110

120

230

240

4.1

50/60

50/60

50/60

50/60

3.8

2.0

1.9

430

---

430

430

220

220

220

220

340

340

340

220

50/60

2.1

430

220

340

340

Continuous Rating (W)

Voltage (V)

Cycle (Hz)

Input

Output

Max. Output (W)

Current (A)

Dimensions: mm ( " )

Width (W)
Height (H)

Length (L)

Model No.

(The image above is MT817.)

MT817

MT818

255 (10)

258 (10-1/8)

193 (7-5/8)

72 (2-13/16)

Chuck capacity: mm (")

Chuck type

Reverse switch

Impacts per min.: min.

ˉ

¹= ipm

Capacities: mm (")

Steel 

Concrete 

Wood

Protection against electric shock
Power supply cord: m (ft)
Weight according to

EPTA-Procedure 01/2003

*

: kg (lbs)

0 - 2,800

Model No.

MT817

0 - 30,800

Keyed

1.5 - 13 (1/16 - 1/2)

13 (1/2)

13 (1/2)

18 (11/16)

Yes

Double insulation

1.8 (3.9)

2.0 (6.6)

MT818

Keyless

1.7 (3.7)

Variable speed control by trigger

Yes

*

 with Side grip

Chuck key S-13 ................................................ 1 (MT817 only)

Key holder 10 ................................................... 1 (MT817 only)

Side grip ........................................................... 1

Depth gauge ..................................................... 1 (for some countries)

Cap ................................................................... 1 (for some countries)

Plastic carrying case  ........................................ 1 ("K models" only)

No load speed: min.

ˉ

¹=rpm 

Specification

T

ECHNICAL INFORMATION

H

W

L

Summary of Contents for MT817

Page 1: ...50 60 50 60 50 60 3 8 2 0 1 9 430 430 430 220 220 220 220 340 340 340 220 50 60 2 1 430 220 340 340 Continuous Rating W Voltage V Cycle Hz Input Output Max Output W Current A Dimensions mm Width W Height H Length L Model No The image above is MT817 MT817 MT818 255 10 258 10 1 8 193 7 5 8 72 2 13 16 Chuck capacity mm Chuck type Reverse switch Impacts per min min ˉ ipm Capacities mm Steel Concrete W...

Page 2: ... 37 rotates Cam portion Hole where Steel ball 3 5 and Pin 4 are assembled Where Ball bearing 6002DDW touches drum portion when using in Hammer drill mode Cam housing complete Spindle Steel ball 3 5 Retaining ring WR12 Viewing from Helical gear 37 side Retaining ring R 32 Pin 4 Amount Portion to lubricate 1R035 1R037 1R139 1R223 1R224 1R258 1R269 1R283 1R298 Bearing setting plate 15 2 holding spind...

Page 3: ...m housing complete by striking its edge with plastic hammer 3 DISASSEMBLY ASSEMBLY 3 1 Armature DISASSEMBLING 1 Remove Handle cover by loosening three 4x18 Tapping screws And then remove Carbon brushes together with Brush holders 2 Remove three 5x25 Tapping screws And then twist Motor housing or Gear housing so that the edge of Motor housing can be tapped with plastic hammer to disassemble 3 Separ...

Page 4: ... Claws of 1R269 Fig 3 Ball bearing 607ZZ Insulation washer Legs Ball bearing 608DDW 1R269 Ball bearing 607ZZ Repair DISASSEMBLING 1 Attach 1R224 to 1R223 2 Attach 1R298 to R224 1 Arrange the repairing tools as drawn in Fig 4 2 Remove 13 mm Drill chuck as drawn in Fig 5 Fig 4 Fig 5 1R224 1R223 R139 1R298 1R298 1R223 Vise Drill chuck 1 Open the Drill chuck 2 Fix 1R139 to Vise and set Drill chuck to ...

Page 5: ... to lose them 2 Remove Retaining ring WR 12 with 1R004 Cam housing complete Gear housing Steel ball 3 5 Pin 4 1R004 3 Put Gear housing onto 1R037 while fitting Spindle to the hole Spindle 1R037 1R026 4 Put 1R026 on Spindle 5 Press 1R026 with Arbor press so that Spindle is pushed out slightly 6 Put 1R238 on Spindle and press 1R283 with Arbor press to remove Spindle 7 Helical gear 37 and Spindle wit...

Page 6: ...housing Retaining ring R 32 Spindle 1R005 Gear housing Compression spring 16 1 Pass Spindle through Compression spring 16 and insert the Spindle into Ball bearing 6002DDW 2 Put Gear housing onto 1R035 while aligning the inserted Spindle head with the hole of 1R035 Set Helical gear 37 to Spindle with the Cam portion facing to Cam housing complete side 3 Press 1R028 with Arbor press Then Helical gea...

Page 7: ... 2 3 Separate Cam housing complete from Gear housing See the drawing on the upper left in Fig 6 4 Disassemble Cam complete as drawn in Fig 9 1 Assemble Cam complete to Cam housing as drawn in Fig 10 2 Assemble Lever case and Change lever Refer to Fig 9 Lever case Cam housing complete Change lever Cut on Cam housing complete Cam complete Vise Cam housing Center line of Cam housing 1 Set Cam complet...

Page 8: ...rple Color index of lead wires sheath Switch Chike coil Chike coil Field Brush holder A Brush holder B Black 2a 2 2b 1b 1 1a Noise suppressor Power supply cord Earth terminal It depends on specifications Viewed from commutator Circuit diagram ...

Page 9: ...ating direction 3 Fix the lead wire white in Lead wire holders Route Field lead wire white between Rib A and Rib B Route Field lead wire black between Rib C and Rib D Route Field lead wire white through the groove Route Field lead wire black through Lead wire holders 2 Route the Lead wire white between Rib D and Rib E Note Do not route the earth lead wire white over the top of the cables when rout...

Page 10: ...ib F and Rib G Rib G Fig D 4 Noise suppressor Switch Brush holders Do not route the earth lead wire white over the top of the cables when routing the lead wires through Lead wire holders Put Choke coil purple in the position shown below Connect the Connecting terminals to Brush holders from the rear side ...

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