Makita maktec MT690Z Manual

Dimensions: mm (")
Width (W)
Height (H)
Length (L) 173 (6-13/16)
82 (3-1/4)
225 (8-7/8)
MT690/ MT691
Cordless Impact Driver
Models MT690/ MT691 are the first 14.4V/ 18V maktec cordless impact drivers
powered by 1.1Ah Li-ion batteries L1451/ L1851 designed to provide
the cost advantage.
MT690
Model No. Type Quantity Charger Plastic
carrying case
Battery
cover
No
Battery
MT690Z No No
MT690E DC1851 Yes2
L1451 1
NoNo
MT691
Model No. Type Quantity Charger Plastic
carrying case
Battery
cover
No
Battery
MT691Z No No
MT691E DC1851 Yes
Phillips
bit 2-65
No
No*1
*1: Yes for Taiwan
Hook
No
No*12L1851 1
NoNo
PRODUCT
P 1/ 8
Model No.
Description
CONCEPT AND MAIN APPLICATIONS
The image above is MT691.
L
H
W
Battery
Charging time: min.
Max. fastening torque*1: N.m [ kgf.cm] (in.lbs)
Capacity: Ah
Cell
Voltage: V 18
130 [1,330] (1,150) 135 [1,380] (1,200)
No load speed: min.ˉ¹=rpm 0 - 2,400
Max output: W 230
Impacts per minute: min.ˉ¹=ipm
Driving shank
Weight according to
EPTA-Procedure 01/2003*2: kg (lbs) 1.5 (3.2)1.4 (3.1)
Energy capacity: Wh 20
14.4
16
LED Job light
*1:Torque at 3 seconds after seating, when fastening M14 high tensile bolt
*2:MT690/with battery L1451, MT691/with battery L1851
Specification
Note: The standard equipment for the tools may vary by country.
See the model variation list above.
Charger DC1851
Li-ion battery L1451 (for MT690 only)
Li-ion battery L1851 (for MT691 only)
Standard equipment
Optional accessories
MT690 MT691
Capacities
Machine screw
Standard bolt
High tensile bolt
Coarse thread (length)
Electric brake
Torque adjustment
Reversing function
Variable speed control
1.1
Li-ion
60 with DC1851
0 - 3,000
6.35mm (1/4") Hex
No
22mm - 125mm (7/8" - 4-7/8")
M4 - M8 (5/32" - 5/16")
M5 - M14 (3/16" - 9/16")
M5 - M12 (3/16" - 1/2")
Yes
No
Yes
Yes
Specification Model
TECHNICAL INFORMATION
These products are available in the following variations.

P 2/8
Repair
[1] NECESSARY REPAIRING TOOLS
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
Code No. Description Use for
1R045 Gear extractor (large) disassembling/ assembling Hammer section
1R232 Pipe 30 holding Anvil when disassembling Bit holder section
1R288 Screwdriver magnetizer magnetizing a screwdriver for easy removal of steel balls
1R291 Retaining ring S and R pliers removing Ring spring 11 of Bit holder section
[2] LUBRICATION
Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect parts and product
from unusual abrasion.
Fig. 1
Item No. Description
Hammer case
Anvil
Spindle Hole portion into which DC motor’s pinion gear is inserted
Steel ball 3.5 (24 pcs.) Surface that contacts 24 pcs. of Steel ball 3.5
Whole portion
Steel ball 5.6 (2 pcs.)
Hammer
Flat washer 24
DC Motor
24
22
16
Spur gear 22
Internal gear 51
Internal gear case
18
Amount
a little
approx. 2 g
Portion to lubricate
a
b
16
18
24
22
a
bHole portion into which 24 Spindle is inserted
Drum portion that contacts Sleeve 14 and Oil seal 14 of Hammer case

P 3/8
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. DC Motor
(1) Disassemble DC motor as drawn in Fig. 2.
DISASSEMBLING
(1) Assemble DC motor and Internal gear case as drawn in Fig. 3.
ASSEMBLING
1. Remove Hammer case and
Hammer section from Housing
set by unscrewing four 4x25
Tapping screws.
2. Remove Housing R from Housing L
by unscrewing eight 3x16 Tapping
screws.
3. Remove DC motor together
with Internal gear case from
Housing L.
Fig. 2
Hammer case (and
Hammer section in
its inside)
Housing set
4x25 Tapping
screws (4 pcs.)
3x16
Tapping
screws
(8 pcs.)
Housing R DC motor
Internal
gear case
Housing L
4. Internal gear case is now
removed from DC motor.
Fig. 3
1. While aligning the center of Internal gear case’s
projection to the center of DC motor’s notch,
assemble Internal gear case to DC motor.
2. While fitting Internal gear case’s projection to
the groove on Housing L, assemble DC motor
to Housing L.
Projection
Internal gear case
Internal gear case’s
projection
Notch
Notch Projection
Groove on Housing L
DC motor
DC motor
(2) Before mounting Housing R to Housing L, assemble F/R change lever to Switch as drawn in Fig. 4.
Fig. 4
F/R Change lever
1.Assemble the hook of F/R change lever to
the projection of Switch when assembling
hem together.
2. Mount Switch with F/R Change lever to Housing L.
And fasten Housing R with eight 3x16 Tapping screws.
Switch
Hook
Projection
Housing L

P 4/8
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Anvil, Bit Holder Section
DISASSEMBLING
Steel ball 3.5 (2psc.)
Compression
spring 13
Raise this side (opposite to the expanded side) with index finger
when removing Ring spring 11.
Ring spring 11
Expand the end gap of
Ring spring 11 with 1R291.
Sleeve
1R291
Flat washer 12
Sleeve
Anvil
1R232
Flat washer 12, Compression spring 13 and
Sleeve can now be removed from Anvil.
Anvil and Nylon washer 14 can now be removed from
Hammer case complete.
Note: Be careful not to lose Steel balls 3.5.
Fig. 5
Fig. 6
Anvil
Nylon washer 19
Hammer case complete
Anvil
Ring spring 11
(1) Remove Hammer case and Hammer section from Housing set as per the left drawing in Fig. 2.
(2) Disassemble Bit holder section and Anvil as drawn in Figs. 5 and 6.
Use 1R232 to hold Anvil firmly.
Press the top of Sleeve with
thumb to prevent Compression
spring 13 from popping out
and away.
Assemble Anvil and Bit holder section by reversing the disassembly procedure. (Figs. 6 and 5)
ASSEMBLING

P 5/8
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Hammer Section
DISASSEMBLING
Fig. 7
(1) Remove Hammer case and Hammer section from Housing set as per the left drawing in Fig. 2.
(2) Disassemble Hammer section as drawn in Figs. 7, 8, 9 and 10.
Pull Hammer downwards using 1R045 to align
the opening for Steel ball insertion with the top
of the cam grooving on Spindle, then remove
Steel ball 5.6 from Spindle.
Hammer
1R045
Spindle
Top of the
cam groove
on Spindle
Opening for
Steel ball
insertion
Steel ball 5.6
(2 pcs.)
Hold Hammer section as shown below in Fig. R,
and then release it from 1R045.
Caution:
Do not hold 1R045 as shown below in Fig. F
when releasing Hammer section from 1R045.
Failure to follow this instruction could cause
Steel balls to fall out of Hammer.
Fig. 8
Fig. R Fig. F
Flat washer 12
Pin 5
Spindle
Spur Gear 22
Hammer
Flat washer 24
Compression
spring 25
Cup
washer 14
Steel ball 3.5
(24 pcs.)
Spindle section
Hammer section can now be disassembled as shown below. After removing Flat washer 24,
Steel balls 3.5 can be removed
from Hammer.
Fig. 9 Fig. 10
Hammer

P 6/ 8
Repair
Assemble Hammer section by reversing the disassembly procedure. Refer to Figs. 11, 10, 9and 8.
Before putting Flat washer 24 in Hammer (Refer to Fig. 10), make sure that twenty-four Steel balls 3.5
are put in the groove of Hammer as shown in Fig. 11.
Steel ball 3.5
(24 pcs.)
ASSEMBLING
Hammer
Fig. 11
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Hammer Section (cont.)
Hammer and Steel balls 3.5
viewed from above
There will appear a space equivalent to
one Steel ball 3.5 in the groove of Hammer
when twenty-four Steel balls 3.5 are put
in place.

P 7/ 8
Fig. D-1
Circuit diagram
Color index of lead wires' sheath
Black Yellow
Red
Switch
Terminal
Line filter
Line filter is not used for
some countries.
DC motor
Red dot mark
LED job light

P 8/ 8
Wiring diagram
Wiring to Terminal
Wiring in Housing L
Fig. D-2 Fig. D-3
Fig. D-4
Wiring to DC motor
Wire onnecting
portion
Connect Lead wire (red) receptacle to the
terminal with Red dot mark and Lead wire
(black) receptacle to the other terminal.
Red dot mark
The Flag connector has to be connected
so that its wire connecting portion is located
over (+), (-) pole marks.
Wire connecting portion
Flag connector
LED job light
LED job light’s Lead wires have to
be tightened between Lead wire
holders.
DC motor
Switch
Terminal
Rib
Pass Lead wires (red, black) between Rib
and Inner wall of Housing L.
Line filter
Pass Lead wires (red, black)
of Switch through Line filter.
And then put Line filter here.
(Line filter is not used for
some countries.)
Put the slack of Lead wires of Switch
and LED job light in this place.
Put Lead wire (yellow) into this groove and
connect it to AS connector of Terminal.