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Makita DTD170 Technical Information
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Makita DTD170 Technical Information

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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
Model DTD170 is our high-end Cordless impact driver powered
by 18V Li-ion battery and developed based on
the current model DTD148.
The main features and benefits are:
• More compact body (overall length: 117mm) than DTD148
• Electronic 4 stage impact power selection
• A mode [assist mode]
• Ergonomically designed handle with better control
S
pecifications
Specifications
Voltage: V
Capacity: Ah
Battery
Energy capacity: Wh
Cell
Charging time (approx): min
Max output (W)
Driving shank: mm (")
Machine screw
Standard bolt
Capacities
High strength bolt
Coarse-thread
Impact power selection
Impacts per min: min
-1
No load speed: min
=rpm
-1
Max tightening torque*
Electric brake
Variable speed control by trigger
Reverse switch
LED job light
Weight according to
EPTA-Procedure 01/ver.2.1: kg(lbs)
*3 Tightening torque at 3 seconds after seating, when tightening M16 (grade 10.9) high strength bolt
S
tandard equipment
Belt clip
Battery*
5
Battery cover*
6
Charger*
5
Plastic carrying case*
5
O
ptional accessories
Phillips bits
Socket bits
Drill chucks
Drill bits with 6.35mm Hex shank
Bit piece
Stopper for impact driver
DTD170
Cordless Impact Driver
=ipm
Max/ Hard/ Medium/ Soft
Max/ Hard/ Medium/ Soft
: N·m [kgf·cm] (in·lbs)
3
*5 Battery, charger and plastic carrying case are not supplied with "Z" model.
*6 Supplied with the same quantity of extra Battery.
Note: The standard equipment may vary by country or model variation.
Hook set (Belt clip)
Tool catcher set
Battery protectors
Li-ion batteries:
BL1815N, BL1820(B),
BL1830(B), BL1840(B),
BL1850(B), BL1860B
*1 With Battery BL1815N, BL1820(B)
*2 With Battery BL1830(B), BL1840(B), BL1850(B),
BL1860B
Model
1.5, 2.0, 3.0, 4.0, 5.0, 6.0
27, 36, 54, 72, 90, 108
15, 24, 22, 36, 45, 55 with DC18RC
M4 - M8 (5/32 - 5/16")
M5 - M16 (3/16 - 5/8")
M5 - M14 (3/16 - 9/16")
22 - 125mm (7/8 - 4-7/8")
Electronic 4 stage (Max/ Hard/ Medium/ Soft)
+ Teks screw mode + A mode [assist mode]
0 - 3,800/ 3,600/ 2,600/ 1,100
0 - 3,600/ 3,200/ 2,100/ 1,100
175 [1,780] (1,550)
1.2 (2.7)*
1 / 19
OFFICIAL USE
for ASC & Sales Shop
July 2016
L
W
Dimensions: mm ( " )
Length (L)
117 (4-5/8)
Width (W)
79 (3-1/8)
218 (8-5/8)*
Height (H)
236 (9-1/4)*
DTD170
18
Li-ion
290
6.35 (1/4) Hex
Yes
Yes
Yes
Yes
or 1.5 (3.3)*
1
2
Fast charger DC18RC
Two port multi fast charger DC18RD
Charger DC18SD/DC24SC
Four port multi charger DC18SF
Automotive charger DC18SE
H
1
2

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Summary of Contents for Makita DTD170

  • Page 1 DTD170 Description Cordless Impact Driver ONCEPT AND MAIN APPLICATIONS Model DTD170 is our high-end Cordless impact driver powered by 18V Li-ion battery and developed based on the current model DTD148. Dimensions: mm ( " ) The main features and benefits are:...
  • Page 2 INDEX INDEX ......................................2 CAUTION ....................................3 NECESSARY REPAIRING TOOLS ............................3 LUBRICANT AND ADHESIVE APPLICATION ........................3 REPAIR ......................................4 Rotor, Hammer case complete ............................. 4 5-1-1 Disassembling ................................4 5-1-2 Assembling .................................. 7 Rotor, Switch, Controller, Stator ............................9 5-2-1 Disassembling ................................

  • Page 3: Necessary Repairing Tools

    LUBRICANT AND ADHESIVE APPLICATION Apply the following lubricants and adhesives. Lubricant Amount Makita grease FA. No.2 a little Mixture of Makita Grease FA No.2 (90%) and a little Molybdenum disulfide (10%) Fig. 4-1 Gear portion: 2g Contact surface Hole on Anvil with Steel ball 3.5...
  • Page 4 REPAIR Rotor, Hammer case complete 5-1-1 Disassembling Fig. 5-1-1-1 [1] Remove two Bind PT 3x16 Tapping screws, and remove Rear cover. Bind PT 3x16 Tapping screw (2 pcs.) Rear cover Fig. 5-1-1-2 [2] Mount 1R016 to the machine, and fix it with Vise. Remove Rotor by prying it off with two 1R263.
  • Page 5 Fig. 5-1-1-4 Fig. 5-1-1-5 [4] Remove Hammer case complete from Housing L. [5] Remove Bumper with a small slotted screwdriver. Hammer case complete Housing L Bumper Fig. 5-1-1-6 [6] Remove Hammer case cover from Hammer case complete by releasing the claws of Hammer case cover from the projections of Hammer case complete.
  • Page 6 Fig. 5-1-1-7 Fig. 5-1-1-8 [7] Fix Socket 32-50 with Vise and two 1R040, and set [8] Loosen Hammer case complete by turning it Bearing box complete to Socket 32-50. counterclockwise with Socket 30-78 and Nut spinner handle. Socket 30-78 Bearing box 1R040 Nut spinner complete...
  • Page 7 5-1-2 Assembling [1] Assemble by reversing the disassembly procedure. Fig. 5-1-2-1 [2] Assemble Hammer case complete section as shown below. Note: Do not fail to set O ring 40 in place. · Note the orientation of Internal gear 51. · Apply lubricant VG100 a Hammer case little on the inner...
  • Page 8 Fig. 5-1-2-4 Fig. 5-1-2-5 [5] Assemble Hammer case cover to Hammer case [6] Assemble Bumper to Hammer case cover while complete as shown below. aligning each groove. Hammer case cover Groove on Hammer Groove on case cover Bumper Projection Stopper portion U-shape notch Fig.
  • Page 9 Fig. 5-1-2-9 [10] Assemble Rear cover to Housing set with two Bind PT 3x16 Tapping screws. Bind PT 3x16 Tapping screw (2 pcs.) Rear cover Rotor, Switch, Controller, Stator 5-2-1 Disassembling [1] Remove Rotor, and remove Housing R. (5-1-1 Disassembling) [2] Remove Switch, Controller and Stator.
  • Page 10 Fig. 5-2-2-3 Fig. 5-2-2-4 [3] Assemble Stator to Housing L by aligning the grooves on [4] Make sure that Stator is properly assembled to Stator with the projections on Housing L. Housing L. Housing L Grooves on Stator Stator Stator Projections on Housing L Housing L...
  • Page 11 Anvil N 5-3-1 Disassembling [1] Remove Hammer case complete from Housing L. (5-1-1 Disassembling) Fig. 5-3-1-1 Fig. 5-3-1-2 [2] Use 1R232 for holding Anvil N firmly for [3] Remove Ring spring 11 while checking the following points. easy removal of Ring spring 11. Press the top of Bit sleeve with a thumb so as not to pop out ·...
  • Page 12 Hammer section 5-4-1 Disassembling [1] Remove Hammer case complete from Housing L. (5-1-1 Disassembling) Fig. 5-4-1-1 Fig. 5-4-1-2 [2] Set 1R045 to Hammer as shown below. [3] Pull Hammer downward by turning 1R045. [4] Align the opening for Steel ball insertion* with the top of Cam grooving on Spindle by turning 1R045.
  • Page 13 5-4-2 Assembling Assemble by reversing the disassembly procedure. Fig. 5-4-2-1 Note in Assembling: Before assembling Steel balls 3.5, check the following points: Twenty-four Steel balls 3.5 are put in the groove of Hammer as shown below. · There is a gap equivalent to the size of one Steel ball 3.5. ·...

  • Page 14: Circuit Diagram

    Circuit diagram Fig. 6-1 Sensor board Stator Vinyl tube LED circuit Main switch Polyolefin tube Black White White Yellow Connector Blue Blue/AWG18 Yellow Tape Gray White/AWG18 Connector Orange/AWG18 Black White Tape Blue Controller Red or White/AWG18 Black/AWG18 Polyolefin tube Yellow/AWG22 Fuse Red/AWG18 Flag receptacle...

  • Page 15: Wiring Diagram

    Wiring diagram Fig. 7-1 Wiring around Hammer case complete With attention to “Points for routing Lead wires”, put the lead wires of Projection of Hammer case complete LED circuit between the projection of Hammer case complete and the rib B, also between Hammer case complete and F/R Change lever. Hammer case complete Boss LED circuit...
  • Page 16 Fig. 7-2 Wiring on Housing set Stator Do not put the lead wires on Switch. LED circuit Pass the lead wires of Stator and LED circuit between the rib D and rib E. Switch Rib E Rib D Do not put any Lead wires on these Ribs.

  • Page 17: Troubleshooting

    Troubleshooting Whenever you find any trouble in your machine, first, refer to this list to check the machine for solution. Note in Repairing (1) Use the full charged battery which has the star mark. (2) When Housing is disassembled, check the conditions of the electrical parts (Connectors, Lead wires, Switches, etc.), Rotor, Stator, Gear section, etc.
  • Page 18 Flowchart of Troubleshooting Check the items from the top of the following list. (Description of the item is referred to Circuit diagram in Fig. 6-1.) After corrective action, return to the start of Troubleshooting and re-check again. Symptom Cause Corrective action Does Tester indicate 0.7V ~ 0.9V? Controller is broken.

  • Page 19: Tightening Torque Specifications

    TIGHTENING TORQUE SPECIFICATIONS Tightening torque Parts to fasten Fastener Q’ty (N･m) Housing R Housing L Bind PT 3x16 Tapping screw 1.1 – 1.3  Rear cover Housing R, L Bind PT 3x16 Tapping screw 1.1 – 1.3  Controller terminal Stator M3x6 Flat head screw 0.4 –...

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