Makita BTP141Z Manual

Dimensions: mm (")
Width (W)
Height (H1)*2
Height (H2)*3
*2: with BL1815
*3: with BL1830
Length (L) 171 (6-3/4)
79 (3-1/8)
250 (9-7/8)
233 (9-1/8)
BTP141 (LXPT02*1)
Cordless 4 Mode Impact Driver
*1: Model number for North and Central American countries
Model BTP141 (LXPT02*1) Cordless 4 mode Impact Driver is an advanced version
of model BTP140. While maintaining the same high versatility as Model BTP140,
BTP141 additionally features more compact design achieved by using BLDC motor
(BrushLess DC motor) and Makita’s first electronic clutch mechanism.
This product is powered by 18V-1.3Ah Li-ion battery BL1815 and 18V-3.0Ah
Li-ion battery BL1830.
This product is available in the following variations.
Battery
Clutch torque setting on screwdriver mode
Charging time: min.
Max. fastening torque:
N.m (in.lbs)
Capacity: Ah
Cell
Voltage: V 18
Drill mode
Soft joint
Impact driver mode*5
13 (115)
1.3, 3.0
Li-ion
15, 22 with DC18RC
Hard joint 22 (195)
Lock torque 16 (142)
150 (1,330)
No load speed:
min.ˉ¹=rpm
Impact driver mode 0 - 2,700/ 0 - 2,200/ 0 - 1,300
0 - 3,200/ 0 - 2,400/ 0 - 1,200
Screwdriver mode
Drill mode
Hammer drill mode 0 - 2,700/ 0 - 700
0 - 1,100/ 0 - 300
(0 - 2,300/ 0 - 600)*4
Impacts per minute:
min.ˉ¹=ipm
Impact driver mode
Hammer drill mode 0 - 32,400/ 0 - 8,400
18 (9 each for high/low speeds)
+ Teks screw mode
Driving shank 6.35mm (1/4") Hex
Weight according to
EPTA-Procedure 01/2003: kg (lbs)
Torque range (approx.): N.m (in.lbs) 0.7 - 4.0 (6 - 35)/ 1.5 - 12.0 (13 - 106)
1.6*2 (3.5)*2, 1.8*3 (3.9)*3
Drilling:
mm (") Steel
Masonry
Wood 21 (13/16)
M4 - M8 (5/32" - 5/16")
10 (3/8)
8 (5/16)
Yes
Energy capacity: Wh 24, 54
Drill mode
Fastening
Machine screw
M5 - M14 (3/16" - 9/16")Standard bolt
M5 - M12 (3/16" - 15/32")High tensile bolt
22mm - 125mm (7/8" - 4-7/8")Coarse-thread
Impact driver mode
LED Job light
*4: Teks screw mode
*5: Torque at 3 seconds after seating, when fastening M14 high tensile bolt
Hammer drill mode
Capacity
PRODUCT
P 1/ 18
All models also include the accessories listed below in "Standard equipment".
Model No. Type Quantity Charger
Plastic
carrying
case
Battery
cover
No
Battery
BTP141Z No No
BTP141RFE DC18RC Yes2
BL1830 1
Battery
fuel gauge
Yes
Yes
NoNo
TECHNICAL INFORMATION
Models No.
Description
CONCEPT AND MAIN APPLICATIONS
Specification
Hard/ Medium/ Soft
High/ Low
High/ Low
Hard/ Medium/ Soft
High/ Low
High/ Low
H
W
L

Note: The standard equipment for the tool shown in page 1 may vary by country.
Belt clip ................................... 1
Drill bits for wood with 6.35mm Hex shank
Drill bits for steel with 6.35mm Hex shank
Drill bits for masonry with 6.35mm Hex shank
Phillips bits
Socket bits
Fast charger DC18RA (for U.S., Canada, Guam, Panama, Mexico and Columbia)
Fast charger DC18RC (for all countries except U.S., Canada, Guam, Panama, Mexico and Columbia)
Charger DC18SD
Charger DC24SC
Automotive charger DC18SE
Li-ion battery BL1815
Li-ion battery BL1830
P 2/ 18
Standard equipment
Optional accessories

P 3/ 18
Repair
Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect
parts and product from unusual abrasion.
[1] NECESSARY REPAIRING TOOLS
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
Code No. Description Use for
1R003 Retaining ring pliers ST-2N disassembling / assembling retaining ring WR-15
1R045 Gear extractor disassembling / assembling Hammer
1R212 Tip for retaining ring pliers attachment for 1R003
1R223 Torque wrench shaft 20-90 N.m disassembling / assembling Hammer case
1R224 Ratchet head 12.7 attachment for 1R223
1R282 Round bar for 8-50 disassembling / Assembling Hammer
1R288 Screwdriver magnetizer removing Steel ball 5.6
1R291 Retaining ring S and R pliers mounting Retaining ring WR-15
1R351 Anvil holding Jig disassembling / assembling Anvil
1R390 Cam A assembling jig assembling Cam A
1R391 Hammer holding jig disassembling / assembling Hammer
Socket 32-50134848-9 disassembling / assembling Hammer case
[2]-1 LUBRICATION
Fig. 1
Item No. Description Grease AmountPortion to lubricate
28
Between Cam A and Cam B
Surface where Hammer contacts
Whole portion
Whole portion
Whole portion
Whole portion
Anvil Section
28, 29
Cup washer
29 (Cam B)
33
37 38
37
38
37
Change case
32
32
30
30
33
32
41
41
42
44 45
41
38
42
44
Cam A, Cam B
Pin guide Drum portion
Whole portion
Pin 2.5
Steel ball 3
Hammer change ring Inside of the Ring
Hammer change plate Tab portion
Steel ball 3.5
Pin 1.2 - 3.5
Anvil
Steel ball 5.6
Gear case assembly
Hammer
45
Makita
grease N.
No.2
2 g
a little
a little

Repair
Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect
parts and product from unusual abrasion.
[2]-2 LUBRICATION
[3]-1 Impact Assembly, Anvil
a little
62
58
57
58
57 Spur gear 41
Spur gear 14B
Teeth portion
Teeth portion
54
53
51
54
53 a
a: Spindle portion
b
b: Pins for Gears 57, 58
Pins for Gears 63
63
62 Spur gear 14A complete
63 Spur gear 21 Teeth portion
60
60 Change lever The sliding area in Motor bracket
Pin 1.2
Pin 1.2
Motor bracket assembly
(1) Disassemble Bit holder section and Bumper for attaching 1R224 (Fig. 2, 3).
1. Remove Ring spring 11. 2. Remove Flat washer 12,
Compression spring 13.
3. Remove Sleeve and
Steel ball 3.5 (2 pcs.)
4. Remove Bumper.
Compression
spring 22
Outer hammer
Flat washer 14
49
61
61 Internal gear 41 Groove portion where 4 pcs. of Pin 1.2 fit
Item No. Description Grease AmountPortion to lubricate
49 Steel ball 3 (6 pcs) whole portion
51 Steel ball 3 (34 pcs) whole portion
53 Steel ball 3 (34 pcs) whole portion
Spindle complete
Fig. 1A
Fig. 2
DISASSEMBLING
Bumper
Steel ball 3.5
Sleeve
Sleeve
Flat washer 12
Compression
spring 13
Impact Section
P 4/ 18
Makita
grease N.
No. 2

[3]-1 Impact Assembly, Anvil
(2) Remove Hammer case assembly and Change ring from Impact assembly (Fig. 3).
(3) Remove Impact assembly (Fig. 4).
1. Attach 1R224 to 1R223. And set Socket 32-50 to 1R224.
Remove Hammer case assembly by turning 1R223
counterclockwise.
2. Remove Change ring and
Leaf spring.
Fig. 3
Fig. 4
DISASSEMBLING
Change ring
Leaf spring
Hammer case
assembly
1R224
1R223
Socket 32-50
Housing R
Switch unit
Speed change lever assembly
1. Separate Housing R from Housing L.
3. Separate Impact assembly from Motor section.
2. Remove Impact assembly together with
Motor section. And separate Speed change
lever assembly and a pair of Switch unit.
Motor section
Housing L
Motor section
Impact assembly
Repair
P 5/ 18

[3]-1 Impact Assembly, Anvil
(4) Disassemble Impact assembly (Fig. 5).
DISASSEMBLING
2. Turn Motor bracket assembly
counterclockwise and pull it off.
Fig. 5
(5) Disassemble Hammer change plate, Hammer change ring, Compression spring 2 (2 pcs.), Sleeve 24 and
Change case from Gear case assembly (Fig. 6).
3. Disassemble Impact assembly and Anvil section as below.
Hammer
change ring
Hammer
change plate
Hammer
change plate
Hammer
change plate
Motor bracket assembly
Motor bracket assembly
Hammer section
Steel ball 3
(6 pcs.)
Steel ball 5.6
Spur gear 41
Spur gear 14B
(5 pcs.) Spur gear 21 (3 pcs.)
Gear case
assembly
Anvil
Compression
spring 5
1. Remove Pin guide and Pin 1.2-3.5
from the both side of Gear case
assembly. And remove Change
sleeve.
2. Pull up Hammer change plate
while pressing down
Hammer change down.
Internal gear 41
Spur gear 14A
Pin 1.2 (4 pcs.)
Pin guide
Sleeve 24
Change case Gear case assembly
Hammer change ring
Compression
spring 2
Pin 1.2-3.5
Pin guide
Pin 1.2-3.5
Change sleeve
Hammer
change ring
3. Pull out Hammer change plate
downward direction indicated
by black arrows below.
4. Remove Hammer change ring, Compression
spring 2 (2 pcs.) and Sleeve 24.
And then, remove Change case form Gear
case assembly.
Fig. 6
1. Shift the stick of Speed change lever
assembly toward Motor bracket side.
Repair
P 6/ 18

[3]-1 Impact Assembly, Anvil
(6) Remove Retaining ring WR-15 (Fig. 7-1).
Follow the steps 2. and 3. below for removing Retaining ring WR-15 when it can not be removed with Pliers
because of deviation to Bit holder side from the position where it should be.
(7) Disassemble Anvil (Fig. 8).
1. Remove Retaining ring WR-15
with 1R003 and 1R212.
Fig. 7
DISASSEMBLING
Retaining ring
WR-15
1R351
1R351
Shallow
notch
1R351
1R390
Anvil
3. Press the 1R390 with Arbor press.
So, Cam A returns to the place
where it should be.
Now, Retaining ring WR-15 can be
removed with Pliers.
Anvil wings
2. Put Anvil wings onto Shallow
notches of 1R351 and set 1R390
to Retaining ring WR-15.
1. Set Gear case assembly to 1R351
by inserting Anvil wings in
Deep notches of 1R351.
2. Press down Anvil with
Arbor press.
3. Anvil drops in Deep notches of 1R351.
So, Anvil and Cam A are removed
from Gear case assembly.
Retaining ring
WR-15
Cam A
Deep notch
1R351 1R351
1R351
Cam A
Anvil
Anvil wings
Nylon
washer 15
4. Remove Nylon washer 15 and O ring 12.5 from Anvil. 5. Remove Cam B, 22 pcs. of Steel ball 3
and Cup washer from Gear case assembly
by pushing them toward Bit holder side.
O ring 12.5 Steel ball 3 (22 pcs.)
Cam B
Cup washer
O ring 12.5
Fig. 8
Repair
P 7/ 18

[3]-1 Impact Assembly, Anvil
(2) Assemble Cam A (Fig. 10).
ASSEMBLING
Note: The Space equivalent to one steel ball remains
on Cup washer when 22 pcs. of Steel ball 3 are
correctly set on it.
(1) Put 22 pcs of Steel ball 3 to Cup washer (Fig. 9).
And then, assemble the Cup washer and Cam B to Gear case assembly (Fig. 8-5).
Fig. 10
Fig. 9
Space equivalent
to one Steel ball
1R351
1R351
1R351
Cam A
2. Set Cam A to Cam B facing
its cam gear side to Cam B.
Cam B
Anvil
1. Assemble O ring 12.5 and Nylon washer 15 to Anvil.
Put Anvil on 1R351 while fitting its wings to
Shallow notch of 1R351.
And set Gear case assembly to the Anvil.
O ring 12.5
3. Set 1R390 on the Cam A and press it
with Arbor press until Cam A stops.
4. While expanding Retaining ring WR-15 with 1R291,
set the Retaining ring to tips of 1R003 with 1R212.
And mount the expanded Retaining ring WR-15
to the groove on Anvil.
Note: Cam A must be mounted until the groove for Retaining ring
WR-15 on Anvil is reserved. Press 1R390 until the top surface
of Anvil comes to the same level of the top surface of 1R390.
Nylon
washer 15
Cam A
Cam A
Cam B
Steel ball 3
Cup washer
1R390
1R390
Anvil
Arbor press
Groove for
Retaining ring WR-15
Retaining Ring WR-15
1R291
1R003 attached
with 1R212
Repair
P 8/ 18

[3]-1 Impact Assembly, Anvil
Pin guide
with Pin 1.2-3.5
Pin guide
with Pin 1.2-3.5
ASSEMBLING
(3) Assemble Change case, Change sleeve, Pin guides with Pin 1.2-3.5, Compression spring 2 and Hammer change ring
to Gear case assembly (Fig. 11, Fig. 12).
Fig. 12
Fig. 11
Notch for Speed change
lever
Tail of Change case
1. Assemble Change case while locating its Tail
to the opposite side of Notch for Speed change
lever.
2. Insert Change sleeve into Gear case assembly while facing
the groove of Change sleeve to motor side.
Note:
Make sure to assemble Change sleeve in the correct
direction (the groove is faced to motor side) so as to fit
Pin 1.2-3.5 to the groove of Change sleeve in the next step.
Change case
Elliptical hole
1. Align the elliptical hole of Change case to that of
Gear case assembly by turning Change case.
The groove of Change sleeve is seen through the elliptical holes
of Change case and Gear case assembly.
Elliptical hole
Groove of
Change sleeve
Change sleeve
Change sleeve
Groove of Change sleeve
Change case
3. Mount 2 pcs of Compression spring 2 to
Gear case assembly and assemble Hammer
change ring to Gear case assembly by fitting
its two holes to the Compression springs.
Gear case
assembly Groove of
Change sleeve
2. Apply grease to the elliptical holes of
Change case so that the Pin guide sticks
on the elliptical holes of Change case.
Mount Pin guide with Pin 1.2-3.5 to
the groove of Change sleeve.
Hammer change ring
Compression
spring 2
(4) Assemble Hammer change plates while pressing Hammer change ring with your fingers at its two points.
Refer to Fig. 6.
NG
Repair
P 9/ 18

[3]-1 Impact Assembly, Anvil
ASSEMBLING
(5) Assemble Hammer section to Gear case assembly and assemble Spur gear 41 and Spur gear 14B (Fig. 13).
Fig. 13
1. Assemble Change ring to Gear case
assembly while fitting projection on
Change case to the notch of Change ring.
2. Assemble Leaf spring and
Sleeve 24 to Gear case ass' y.
4. Put Compression spring 5
and Steel ball 5.6 into the
center hole of Anvil in the
Hammer case assembly.
5. Put 6 pcs. of Steel ball 3 to
the holes on Outer hammer
by sticking them with Grease.
3. Provisionally, assemble
Hammer case assembly to
Gear case assembly by
turning it clockwise.
Sleeve 24
Leaf spring
Steel ball 5.6
Hammer case
assembly
Change ring
Compression
spring 5
Steel ball 3 (6 pcs)
Wide depression with a notch
Gear case
assembly
Hammer
section
7. Assemble Spur gear 41 while facing
the depression to Motor side.
8. Assemble five Spur gear 14B.
Wide depression
6. Insert Hammer section into Gear case assembly while aligning Wide depression of Bearing case to
Wide concave on Gear case assembly and fitting three depressions on Hammer section to
three depressions on Gear case assembly.
Depressions Projection
Spur gear 41
Wrong assembling
Depression
Spur gear 14B
WRONG
Repair
P 10/ 18

[3]-1 Impact Assembly, Anvil
ASSEMBLING
(6) Assemble Motor bracket section (Fig. 14).
(7) Assemble Motor bracket section to Gear case assembly (Fig. 15).
Fig. 14
Fig. 15
Motor bracket assembly
(with Internal gear 50)
1. Mount Ball bearing 607ZZ
to Motor bracket assembly.
2. Mount Spur gear 21
to Spur gear 14A.
3. Mount Internal gear 41 to Change lever.
And insert 4 pcs of Pin 1.2 into groove of
Internal gear 41 through Change lever’s
holes.
4. Mount the assembled Spur gear 14A to
Motor bracket assembly while engaging the
3 pcs. of Spur gear 21 with Internal gear 50
in Motor bracket assembly.
5. Mount the assembled Change lever to Motor bracket
assembly while aligning three arms of Change lever to
the inner grooves of Motor bracket assembly.
Spur gear 21 (3 pcs.)
Spur gear 14A
Internal gear 41
Change lever
Groove for
Pin 1.2
Ball bearing
607ZZ
Motor bracket assembly
(equipped with Internal gear 50)
Spur gear 21 (3 pcs.)
Spur gear 14A
Motor bracket assembly
(with Internal gear 50)
Change lever
Pin 1.2 (4 pcs.)
Internal gear 41
Projection
Projection
Projection
Depressions
Depression
Motor bracket
section Gear case
assembly
Change lever
Notch in wide depression
2. Push Motor bracket section and turn it
clockwise.
1. Mount Bracket section to Gear case assembly while
fitting its three Protrusions to three depressions of
Gear case assembly, and fitting Change lever to
Notch in wide depression of Gear case assembly.
Push
Turn
clockwise
Repair
P 11/ 18

[3]-1 Impact Assembly, Anvil
ASSEMBLING
(8) Assemble Speed change lever to Impact assembly (Fig. 16).
(9) Now, Impact assembly is assembled completely. And assemble Motor section (Rotor and Stator complete)
to the Impact assembly (Fig. 4-3).
Mount 2 pcs of Switch unit to Motor bracket assembly and set the Impact assembly together with Motor section to
Housing L (Fig. 4-2).
(10) Assemble F/R Change lever to Switch, and mount Switch plate complete to Housing L (Fig. 17).
Fig. 16
Fig. 17
1. Insert 2 pcs of Compression spring 3
to Speed change lever assembly.
2. Mount Speed change lever assembly by fitting
the space between two Compression springs to
Projection of Change lever.
Put end of Spring in this
frame.
Compression spring 3
Projection of
Change lever
(11) Tighten Hammer case assembly with Socket 32-50, 1R223 and 1R224 (Fig. 3).
Note; The fastening torque for Hammer case assembly is 15 - 20 N.m.
F/R Change lever
Switch
3. Facing the symbols of “Job light” and
“Battery power display” to front side,
set Switch plate complete to Housing L.
1. Fit the projection of Switch to
fork portion of F/R change lever.
2. Set the Switch with F/R change lever
to Housing L.
Projection
of Switch
Prong of
F/R Change lever
Battery power
display
Job light
Repair
P 12/ 18

[3]-2 Hammer Section
DISASSEMBLING
(1) Disassemble Impact assembly together with Motor section and separate the Motor section from the Impact
assembly in the order of Figs. 2, 3 and 4.
(2) Remove Motor bracket assembly and disassemble Impact assembly (Fig. 5).
(3) Disassemble Hammer section from Gear case assembly (Fig. 5).
(4) Remove Steel balls and Bearing case from Hammer section (Fig. 18).
Fig. 18
1. Remove Bearing case from Ball bearing 6805LLB and 6 pocks. of Steel ball 3
from the drum portion of Outer hammer.
Bearing case Outer hammer
Outer hammer
Steel ball 3
(6 pocks.)
Bearing case
Steel ball 3
(6 pocks.)
Ball bearing
6805LLB
Ball bearing
6805LLB
2. Mount 1R391 to Hammer
by fitting its Deep notches to
Hammer projections.
1. Insert 1R282 into the
hole of Spindle complete.
4. Turn the handle clockwise until the opening for
Steel ball insertion on Hammer is aligned to
top of groove on Spindle.
Deep notch
fitted to Hammer
Shallow notch
to be held by 1R391
1R391
1R282
Spindle
complete
1R391
1R282
1R045
5. Using a magnetized screwdriver, remove
Steel ball 5.6 (2 pcs.) when the opening for
Steel ball insertion on Hammer is aligned to
top of groove on Spindle.
Spindle Steel Ball 5.6
(2 pcs.)
Opening for
Steel ball
insertion
Top of
groove
on Spindle
3. Set 1R045 by holding Shallow
notch of 1R391.
(5) Disassemble Steel ball 5.6 on Spindle, Compression spring 22, Steel ball 3 (34th), Flat washer 14,
Spindle complete from Outer hammer (Fig. 19).
Fig. 19
1R391
1R282
1R045
Repair
P 13/ 18

[3]-2 Hammer Section
DISASSEMBLING
ASSEMBLING
(6) Loosen 1R045 while paying attention not to disperse 34 pocks. of Steel ball 3 (Fig. 20).
(1) Mount 34 pcs. of Steel ball 3 to Outer hammer and 6 pcs. of Pin 2.5 to Hammer (Fig. 21).
(2) Put Flat washer 14 for covering Steel ball 3 and insert Spindle complete through the Flat washer
and Outer hammer (Fig. 20).
(3) Mount Compression spring 22 and Hammer along with 6 pcs. of Pin 2.5 through Spindle complete (Fig. 20).
(4) Set 1R282 to the hole of Spindle complete and set 1R391 to the Hammer (Fig. 19).
(5) Pull Hammer down with 1R045 until the enough insertion space for Steel ball 5.6 is reserved by aligning
of Opening for Steel ball insertion to groove top on Spindle (Fig. 19).
(6) Mount Steel ball 5.6 (2pcs.) (Fig. 19).
(7) Mount Ball bearing 6805LLB and Bearing case to Spindle complete. And mount 6 pcs of Steel ball 3 to Outer
hammer (Fig. 18).
Fig. 20
1. In order to avoid dispersing of Steel balls (34 pcs), keep
the direction of Hammer section downward as illustrated
below when removing 1R045 from Hammer section.
2. Now, the following parts are disassembled from Outer hammer.
Outer hammer Spindle complete
Ball bearing 6805LLB
Flat washer 14
Steel ball 3
(34 pcs.)
Compression
spring 22
Hammer
Pin 2.5
(6 pcs.)
Fig. 21
Steel ball 3 (34 pcs.)
2. After applying grease to 6 pcs of Pin 2.5,
mount Pin 2.5 (6 pcs.) to Outer hammer.
1. After applying grease to the groove on Outer hammer for
easy setting of the Steel balls, put 34 pcs of Steel ball 3 to
Outer hammer. The space equivalent to one Steel ball 3 must
be reserved when 34 pcs are fully mounted.
Pin 2.5
Pin 2.5
Repair
P 14/ 18

[3]-3 Rotor
DISASSEMBLING
ASSEMBLING
1. Housing R can be removed and Motor section can be
repaired without disassembling Bit holder section, Bumper,
Hammer case assembly and Change ring.
2. Remove Impact assembly together with
Motor section from Housing L. And separate
Motor section from Impact assembly.
Fig. 22
(1) Separate Housing R from Housing L and disassemble Motor section (Fig. 22).
Fig. 23
Motor section
Impact
assembly
3. Put the Motor section on a work bench
from the drive end of the Rotor.
Press Stator down to separate it from Rotor.
Rotor
Stator set
Insert Rotor into Stator set on Workbench, held
by hand to control strong Magnet force of Rotor.
Slowly lift up Stator set while controlling the magnet force
of Rotor so as not to stick to Fan side abruptly.
Note: Assemble them by following steps in Fig. 23, while being careful not to pinch your finger
between Stator set and Rotor fan due to strong magnet force of Rotor.
Stator set
Further assemble can be completed by taking the reverse step of disassembly (Fig. 22).
Rotor
CAUTION IN HANDLING
Keep an appropriate distances when you put or store the plural rotors, otherwise, they will stick abruptly
each other and it will cause crack or break.
Repair
P 15/ 18

Circuit diagram
BTD141 18V
White
Orange
Controller
Switch
Two pin
Connnector
This Lead wire is
red in stead of
white in case of
BTD131 14.4V.
Three pin
Connnector
Switch units
for detecting work mode
Terminal
AS
Blue
Yellow
Gray
Color index of lead wires' sheath
Black
Red
Fig. D-2
Stator
P 16/ 18

Lead wire holder
Housing R side
Housing L side
Pass the Lead wires
between Rib A and Rib B,
and
between Rib C and Rib D.
Rib A
Rib DRib C Rib B
Fig. D-3
Fig. D-4
Wiring of LED circuit’s Lead wires
BTD141 18V
Red point
mark
Pin
Fix Lead wires of LED circuit
with the Lead wire holder.
Do not let the Lead wires cross this Rib,
otherwise, Switch interferes with Housing R.
Assembling Switch unit for detecting work mode
Impact Assembly viewed from Switch side
Switch unit for detecting work mode
with Lead wires (red)
Switch unit for detecting work mode
with Lead wires (black)
Mount :
•Switch unit with Lead wires (red) to Pin
on Housing R side (red point mark side).
•Switch unit with Lead wires (black) to Pin
on the Housing L side.
Wiring diagram
P 17/ 18

Route all of the Lead wires
within these ribs. Do not
let Lead wires cross the ribs
Fig. D-5
Wiring in Housing L
BTD141 18V
Controller
Terminal
Switch
Rib
Rib
Rib
Ribs on Controller
Switch units for
detecting work mode
Stator
Put slack portion of
Lead wires from Stator
in this place.
Route Lead wires of Switch
units for detecting work mode
and the Lead wires from Stator
between these Ribs.
Route Lead wires from Controller
to Terminal behind Ribs on
Controller.
Circuit diagram
P 18/ 18