Makita Dlm431 User manual

March 2016

TECHNICAL INFORMATION

OFFICIAL USE

for ASC & Sales Shop

Model DLM431

Battery

Voltage: V 36 (18x2)

Capacity: Ah 1.5, 2.0, 3.0, 4.0, 5.0, 6.0

Energy capacity: Wh 27x2, 36x2, 54x2, 72x2, 90x2, 108x2

Cell Li-ion

Charging time (approx): min 15, 24, 22, 36, 45, 55 with DC18RD

15x2, 24x2, 22x2, 36x2, 45x2, 55x2 with DC18RC

Max output (W) 730

No load speed: min-1= rpm*13,600

Blade Type Rotary type 2 tooth blade

Hole diameter: mm (") 24.0 (15/16)

Cutting width: mm (") 430 (17)

Cutting height adjustment range: mm (") 20 - 75 (13/16 - 2-5/16) [13 stages]

Electronic current limiter for overload protection Yes

Electric brake Yes

Soft start Yes

Weight according to

EPTA-Procedure 01/ ver.2.1*2: kg(lbs) 17.8 (39.3)*3or 18.3 (40.4)*4

*1 No load speed of the blade

*2 With blade, grass box

*3 With BL1815N x2, BL1820(B) x2

*4 With BL1830(B) x2, BL1840(B) x2, BL1850(B) x2, BL1860(B) x2

Dimensions: mm ( " )

When in use When folded

[without dust box]

Length (L) Min 1,450 (57) 490 (19-1/4)

Max 1,490 (58-3/4)

Width (W) 460 (18-1/8)

Height (H) Min 950 (37-1/2) 910 (35-3/4)

Max 1,020 (40-1/4)

Socket wrench 17

Battery*5

Battery cover*6

Charger*5

*5 Battery and charger 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.

Blade 430

Battery BL1815N

Battery BL1820(B)

Battery BL1830(B)

Battery BL1840(B)

Battery BL1850(B)

Battery BL1860(B)

Fast charger DC18RC

Two port multi fast charger DC18RD

Charger DC18SD/DC24SC

Four port multi charger DC18SF

Automotive charger DC18SE

Standard equipment

Optional accessories

CONCEPT AND MAIN APPLICATIONS

DLM431 is an 18Vx2 430mm Cordless Lawn Mower

with better usability, developed based on the current

model BLM430.

Its main features are:

• Dual battery fuel gauge located near operator's hand

• Grass box with Grass level indicator

• Less pushing force thanks to Deck cover

• XPT (eXtreme Protection Technology)

• Easier installation and removal of grass box

Note: BL1815 is not compatible.

1 / 21

430mm Cordless Lawn Mower

Model No. DLM431

Description

1INDEX

1INDEX.......................................................................................................................................................................................... 2

2CAUTION .................................................................................................................................................................................... 3

3NECESSARY REPAIRING TOOLS ........................................................................................................................................... 3

4REPAIR ........................................................................................................................................................................................ 4

4-1 Lower pipe, Upper pipe complete, Switch lever .................................................................................................................. 4

4-1-1 Disassembling ............................................................................................................................................................. 4

4-1-2 Assembling.................................................................................................................................................................. 6

4-2 DC motor ............................................................................................................................................................................. 7

4-2-1 Disassembling ............................................................................................................................................................. 7

4-2-2 Assembling.................................................................................................................................................................. 8

4-3 Change lever, Adjust plate.................................................................................................................................................... 9

4-3-1 Disassembling ............................................................................................................................................................. 9

4-3-2 Assembling................................................................................................................................................................ 10

4-4 Front wheel, Rear wheel .................................................................................................................................................... 11

4-4-1 Disassembling ........................................................................................................................................................... 11

4-4-2 Assembling................................................................................................................................................................ 12

4-5 Connecting rod, Front shaft, Rear shaft.............................................................................................................................. 13

4-5-1 Disassembling ........................................................................................................................................................... 13

4-5-2 Assembling................................................................................................................................................................ 14

4-6 Protective shield (For Canada only)................................................................................................................................... 15

4-6-1 Disassembling ........................................................................................................................................................... 15

4-6-2 Assembling................................................................................................................................................................ 15

4-7 Rear flap complete ............................................................................................................................................................. 16

4-7-1 Disassembling ........................................................................................................................................................... 16

4-7-2 Assembling................................................................................................................................................................ 16

5Circuit diagram ........................................................................................................................................................................... 17

6Wiring diagram ........................................................................................................................................................................... 18

7TIGHTENING TORQUE SPECIFICATIONS .......................................................................................................................... 21

2 / 21

2CAUTION

Repair the machine in accordance with “Instruction manual” or “Safety instructions”.

Follow the instructions described below in advance before repairing:

· Wear gloves.

· In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts.

It is also recommended to have boxes ready to keep disassembled parts by group.

· Handle the disassembled parts carefully. Clean and wash them properly.

· If some bolts and screws are too tight, use Impact driver.

Tighten the bolts and the screws to the specified torque as shown in "7 TIGHTENING TORQUE SPECIFICATIONS”.

3NECESSARY REPAIRING TOOLS

Code No.

Description

Use for

1R243

Round bar for arbor 14-100

press-fitting Plane bearings 10

1R252

Round bar for Arbor 30-100

press-fitting Ball bearings 6200ZZ

1R285

Round bar for Arbor 11-50

removing Plane bearings 10

3 / 21

4REPAIR

4-1 Lower pipe, Upper pipe complete, Switch lever

4-1-1 Disassembling

Fig. 4-1-1-1

[1] Remove Rear bag ass’y from Deck by lifting it up.

[2] While holding Lower pipe or Upper pipe complete, loosen two M8x35 Thumb screws and remove the assembled part of

Lower pipe and Upper pipe complete from Deck.

Remove

Upper pipe

complete

M8x35 Thumb

screw (2 pcs.)

Lower pipe

Rear bag ass'y

Deck

Upper pipe

complete

Remove

Lower pipe

M8x35 Thumb

screw (2 pcs.)

Fig. 4-1-1-2

[3] Pull out two Holders.

[4] Loosen two M6x50 Cup hex square neck bolts until the second thread is disengaged from M6 Thumb nut.

Note: The first thread remains engaged to prevent the bolts/nuts from falling off.

[5] Loosen two M6 Thumb nuts by turning and pulling them while pressing the head of the bolts to disengage the first thread.

Pull out

First thread

Press the head of bolt.

Holder

M6 Thumb nut

M6x50 Cup hex

square neck bolt (2 pcs.)

Upper pipe

complete

Lower pipe

[6] Remove Lower pipe from Upper pipe complete.

Second thread

4 / 21

Fig. 4-1-1-4

[9] Loosen four 4x18 Tapping screws, and remove Switch

box cover complete and Switch box.

Fig. 4-1-1-5

[10] Remove Tension spring 9, and loosen M4x20 Pan head

screw, and then remove Lever.

[11] Remove Switch lever and Upper pipe complete.

Fig. 4-1-1-3

[7] Loosen 4x18 Tapping screw, and remove Switch lever case cover and Switch lever case.

[8] Loosen M4x20 Pan head screw, and remove Arm.

Switch cover

Switch lever

case

Switch lever

case cover

4x18

Tapping screw

Arm

M4x20 Pan

head screw

Switch lever

Switch box

cover complete

4x18 Tapping

screw (4 pcs.)

Tension spring 9

Switch lever

Lever

M4x20 Pan

head screw

5 / 21

4-1-2 Assembling

Fig. 4-1-2-1

[1] Mount Lever to Switch lever, and tighten M4x20 Pan head screw while holding Hex nut.

[2] Mount Tension spring 9. (Fig. 4-1-1-5)

Switch lever

M4x20 Pan

head screw

Hex nut

Lever

The tip of Lever faces

upward.

Fig. 4-1-2-2

[3] Route Power supply cord over Lower pipe.

Power supply

cord

Lower pipe

6 / 21

4-2 DC motor

4-2-1 Disassembling

Fig. 4-2-1-5

[7] Shift Change lever to the position of Cutting height

between 40 and 60mm.

Fig. 4-2-1-1

[1] Remove Blade 430.

[2] Pull Lock lever.

[3] Turn Battery cover complete.

Fig. 4-2-1-2

[4] Remove Battery cover complete by releasing Battery

cover complete from the hinges.

Lock lever

Battery cover

complete

Battery cover

complete

Hinge

Fig. 4-2-1-3

[5] Loosen two 5x25 Tapping screws, and remove Grip A.

Fig. 4-2-1-4

[6] Loosen seven 4x18 Tapping screws.

5x25 Tapping

screw (2 pcs.)

Grip A

Cowling

4x18 Tapping

screw (7 pcs.)

Change lever

Terminal

housing set

Fig. 4-2-1-6

[8] Pass Terminal housing through the square hole of

Cowling without disconnecting the lead wires as shown

below. Cowling can be removed.

Change lever

Square hole of

Cowling

Terminal housing

7 / 21

4-2-2 Assembling

Fig. 4-2-1-7

[9] Loosen three M6x30 + Pan head screws using a No.3

Phillips screwdriver, and remove DC motor.

M6x30 + Pan head

screw (3 pcs.)

DC motor

Fig. 4-2-2-1

Assemble DC motor by aligning its notch with Boss of Deck.

U-shaped

notch

Boss of Deck

DC motor

8 / 21

4-3 Change lever, Adjust plate

4-3-1 Disassembling

[1] Remove Cowling. (4-2-1 Disassembling)

Fig. 4-3-1-2

[4] Put a wood under Deck to raise Wheels from the

ground.

Fig. 4-3-1-3

[5] Loosen two 4x18 Tapping screws, and remove the

assembled part of Adjust plate and Change lever toward

DC motor side from Connecting rod.

Wood

Adjust plate

Connecting rod

Change lever

4x18 Tapping

screw (2 pcs.)

DC motor side

Fig. 4-3-1-4

[6] The components of Change lever and Adjust plate are as follows:

Change lever cover

Compression

spring 9

Flat washer 9

Flat washer 4

4x18 Tapping

screw

Change lever

M6x30 Hex

bolt

Sleeve 6

Adjust plate

M6 Hex nut

4x18 Tapping

screw (2 pcs.)

Fig. 4-3-1-1

[2] Shift Change lever to the position of Cutting height at 75mm.

[3] Release Tension spring 16 from the hook with long nose pliers.

Hook

Tension spring 16

Long nose pliers

Change lever

9 / 21

4-3-2 Assembling

Fig. 4-3-2-2

[2] Lift up Connecting rod and insert the pin into the hole of

Connecting rod.

Fig. 4-3-2-1

[1] Put a wood under Deck to raise Wheels from the

ground.

Wood

Pin of

Connecting rod

Hole of Change lever

Fig. 4-3-2-3

[3] Shift Change lever to the position of Cutting height at 75mm.

[4] Hook Tension spring 16 with the hook with long nose pliers.

Hook

Tension spring 16

Long nose pliers

Change lever

Fig. 4-3-2-4

[5] Shift Change lever to the position of Cutting height between 40 and 60mm, and assemble Cowling.

[6] Pass Terminal housing set through the square hole of Cowling, and assemble Terminal housing set to Cowling.

Terminal

housing set

Change lever

Square hole of

Cowling

10 / 21

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