Makita 5007MG-R User Manual

T

Description

ECHNICAL INFORMATION

Models No.

5008MG, 5008MGA
Circular Saw 210mm (8-1/4")

PRODUCT

P 1/10

W1

CONCEPT AND MAIN APPLICATIONS

Model 5008MG and 5008MGA have been developed
as 210mm (8-1/4") version of Models 5007MG/5007MGA,
185mm (7-1/4") Circular saws.
Feature new design, increased convenience, and cutting depth
capacity of 75.5mm (3").
The only one difference between 5008MG and 5008MGA is;
5008MG: Without electric brake
5008MGA: With electric brake

Specification

Voltage (V) Cycle (Hz)

120
220

230
240

Current (A)

15

8.6

8.2

7.9

50/60
50/60

50/60
50/60

H2

H1

L1

Length (L1)
Width (W1)
Height (H1)
Height (H2)

Length (L2)
Width (W2)

Continuous Rating (W)

Input Output

---

1,800
1,800

1,800

900

1,000
1,000

1,000

W2

L2

Dimensions: mm (")

332 (13-1/8)
243 (9-9/16)
277 (10-7/8)
192 (7-9/16)

Base size: mm (")

320 (12-5/8)

170 (6-11/16)

Max. Output (W)

2,300
2,300

2,300
2,300

Diameter

Size of blade: mm (")

Hole diameter

No load speed: rpm= min.-1

Max cutting capacity: mm (")

Cord length: m (ft)
Net weight: kg (lbs)

North America: 15.88 (5/8)

0 degree
45 degrees

210 (8-1/4)

Australia: 25.0

Europe: 30.0

Other countries: 25.4 (1)

5,200

75.5 (3)

57 (2-1/4)

51.5 (2)50 degrees

Double insulationProtection against electric shock

Australia, Chile: 2 (6.6)

Other countries: 2.5 (8.2)

4.8 (10.6)

Standard equipment

Hex wrench ....................... 1

Guide rule ............................ 1

TCT saw blade 210 ............. 1

Dust nozzle and Pan head screw M5x16 .... 1 (Europe only)

Note: The standard equipment for the tool shown above may differ by country.

Optional accessories

Saw blades

Repair

CAUTION: Unplug the machine and remove the saw blade from the machine for safety
before repair/ maintenance in accordance with the instruction manual!

[1] NECESSARY REPAIRING TOOLS

Code No. Description Use for

1R003
1R004
1R008

1R041
1R045
1R208

1R229
1R236 Round bar for arbor 7-100

1R269
1R316

[2] LUBRICATION

Apply Makita grease N. No.1 to the following portions designated with the black triangle to protect
parts and product from unusual abrasion.

Item No. Description Portion to lubricate

Retaining ring S pliers ST-2N Removing/installing Retaining ring S-42 from/on Spindle
Retaining ring S pliers ST-2
Tips for retaining ring pliers (90 degrees)

Vise plate
Gear extractor (large)
90-degree Set square

1/4" Hex shank bit for M5

Bearing extractor
Adjustable bearing retainer wrench

32

Blade case complete Gear room for Helical gear 47 (Apply approximately 6g.)

Pulling off Sleeve 6 from the hinge portion of Angular guide
(modular use with 1R004)
Fixing Bearing box section in vise

Removing Spindle from Bearing box
Squaring Saw blade to Base plate
Removing Hex socket head bolt M5x40 from the hinge portion of

Angular guide
Removing Spindle from Helical gear 47
Removing Ball bearing 608LLB from Spindle

Removing/installing Bearing retainer from/on Bearing box

P 2/10

[3] DISASSEMBLY/ASSEMBLY
[3] -1. Safety Cover

DISASSEMBLING

1) Remove Pan head screw M6x20 and Rubber sleeve 6.
(Fig. 1)

2) Remove Retaining ring S-42 with 1R003. (Fig. 2)

3) Remove Torsion spring 4 and Safety cover
from Blade case.
Then remove Spacer from Bearing box. (Fig. 3)

Fig. 2 Fig. 3

Fig. 1

32

Retaining ring S-42

Rubber sleeve 6

Pan head screw M6x20

Safety Cover

1R003

Retaining ring S-42

Blade case

Tension spring 4

Safety cover

Bearing box

Spacer

Repair

[3] DISASSEMBLY/ASSEMBLY
[3] -1. Safety Cover (cont.)

ASSEMBLING

1) Assemble Spacer and Safety cover to Bearing box.
(Fig. 3 on page 2)

2) Assemble Safety cover to Bearing box.
(Fig. 3 on page 2)
Link Safety cover to Blade case with Tension spring 4
as illustrated in Fig. 4.
Note: Be sure to follow the instructions in Fig. 4.
Otherwise, pivoting action of Safety cover
will be interfered by Tension spring 4.

3) Secure Safety cover to Bearing box with Retaining
ring S-42. Fasten Rubber sleeve 6 to Blade case with
Pan head screw M6x20. (Figs. 1, 2 on page 2)

P 3/10

Fig. 4

Pass the hook of Tension spring 4
through the hole on Safety cover
from Bearing box side to Blade side.

Safety cover

Blade side

Bearing box side

Tension spring 4
Blade case

Pass the hook of Tension spring 4
through the hole on Blade case

from Blade side to Bearing box side.

[3] -2. Base Complete

DISASSEMBLING

Note: The above illustrations show the conditions after removal of Safety cover.
It is not necessary to remove Safety cover when replacing Base complete.

1) Loosen Hex nut M8-13 by turning Lever 56 (the one used for bevel angle adjustment) in the direction of the arrow
as illustrated in Fig. 5.

2) Remove Bow stop ring E-12 from Hex nut M8-13 using slotted screwdriver as described in Fig. 6.

3) Remove Lever 56, Hex nut M8-13 and Flat washer 8 from Flat-head square-neck bolt M8x24.
Then remove Flat-head square-neck bolt M8x24 by pushing it in the direction of the black arrow. (Fig. 7)

Fig. 5

Lever 56
(the one used for
bevel angle adjustment)

Hex nut M8-13

Bow stop ring E-12

Fig. 6

Remove Bow stop ring E-12 from the groove
of Hex nut M8-13 by twisting the ring using
slotted screwdriver.

Bow stop ring E-12

Hex nut M8-13

Fig. 7

Flat-head square-neck bolt M8x24

Flat washer 8

Hex nut M8-13

Lever 56 (the one used for
bevel angle adjustment)

P 4/10

Repair

[3] DISASSEMBLY/ASSEMBLY
[3] -2. Base Complete (cont.)

DISASSEMBLING

4) Unscrew two M5x8 Hex socket set screws that secure 6-7 Shoulder pins. (Fig. 8)
Note: Do not unscrew the M5x8 Hex socket set screw used for fine adjustment of the angle of Base to Saw blade

in this step.

5) Remove two 6-7 Shoulder pins. Base complete can now be separated from Motor section. (Fig. 9)
Fig. 8 Fig. 9

Angular guideDepth guide

Base complete

Shoulder pin 6-7

(a) (b)

(c)

Base complete, viewed from bottom

Hex socket set screw M5x8

(a), (b): for securing Shoulder pin 6-7
(c): for fine adjustment of the angle of Base to Saw blade

ASSEMBLING

Do the reverse of the disassembling steps.
Note: Bow stop ring E-12 is not reversible when assembled to Lever 56.
Be sure to assemble it in place as described in Fig. 10.

Fig. 10

Shoulder pin 6-7

Motor section

Angular guide

Base complete

[A]

Motor housing

Lever 56

Hex nut M8-13

Bow stop ring E-12

Bow stop ring E-12 viewed from [A]

The concave side of Bow stop ring E-12
must be positioned on Motor housing side.

(Motor housing side)

concave side

Hex nut M8-13

Bow stop ring E-12

Lever 56

P 5/10

Repair

[3] DISASSEMBLY/ASSEMBLY
[3] -3. Motor Section

DISASSEMBLING

After removing Safety cover, disassemble Motor section as described below;

1) Remove Hex socket head bolt M5x40 using 1R229, then remove Flat washer 5 from Angular guide. (left in Fig. 11)

2) Remove Sleeve 6 using 1R004 and 1R008. (right in Fig. 11)

Fig. 11

Blade case

Angular plate

of Base complete

Hex socket head

bolt M5x40

Flat washer 5

Angular guide

3) Loosen Hex nut M8x13 halfway with Lever 56; leave the nut on the threads of Cap square neck bolt M8x90
in this step. (Fig. 12)

4) Remove Bow stop ring E-12 with slotted screwdriver. (Refer to Fig. 6 on page 3.)

5) Remove Lever 56 (the one used for cut depth setting), Hex nut M8-13 and Flat washer 8 from Cap square neck bolt
M8x90. (Fig. 12)

6) Pull off cap square neck bolt M8x90. Motor section can be separated from Depth guide and Base complete. (Fig. 13)

Fig. 12 Fig. 13

Motor section viewed from Rear cover side

1R229

Motor housing

Motor section viewed from Blade case side

Sleeve 6

1R008

1R004

Cap square neck
bolt M8x90

Lever 56
(the one used for
cut depth setting)

Hex nut M8-13

Bow stop ring E-12

7) Remove Brush holder caps and Carbon brushes, then remove three M5x45 Pan head screws. (Fig. 14)

8) Motor housing section can now be separated from Blade case, and electrical parts in Motor housing section can be
replaced. (Fig. 15)

Fig. 14 Fig. 15

Pan head screw M5x45 (3 pcs)

Brush
holder cap

Brush
holder cap

Blade case

Depth guide

Cap square neck

bolt M8x90

Motor housing section

Armature

Carbon brush Carbon brush

Bearing box

P 6/10

Repair

[3] DISASSEMBLY/ASSEMBLY
[3] -4. Motor Housing Section (cont.)

ASSEMBLING

Do the reverse of the disassembling steps.
Note 1: Be sure to assemble Motor housing section to Blade case while pressing Shaft lock in the direction of
the black arrow to position the stopper of Shaft lock inside Blade case. (Fig. 16) Armature shaft cannot be locked
if the stopper of Shaft lock is positioned outside Blade case as illustrated in Fig. 17.
Note 2: When securing Lever 56 (the one used for cut depth setting) with Bow stop ring E-12, be sure to position the
concave side of Bow stop ring E-12 on Motor housing side. (Refer to Fig. 10 on page 4.)

Fig. 16

Fig. 17

Motor housing section,

viewed from top

Compression spring 9

Blade case,

viewed from top

stopper of Shaft lock

Front grip

Shaft lock

[3] -5. Bearing Box Section and Gear Section

DISASSEMBLING

1) Remove Safety cover. See Figs. 1, 2, 3 on page 2.

2) Remove Bearing box section together with Gear section from
Blade case by unscrewing two M5x16 Pan head screws. (Fig. 18)

3) Separate Bearing box section from Gear section using 1R045.
(Fig. 19)

4) Turn over Gear section, and remove Ball bearing 608LLB from
Gear section using 1R269.
Then put 1R236 on the top end of Spindle and press it using
arbor press.
Spindle can now be separated from Helical gear 47. (Fig. 20)

Shaft lock

stopper of Shaft lock

Fig. 18

Blade case

Fig. 19 Fig. 20

1R045

Bearing box section

Gear section

1R269

Ball bearing
608LLB

Gear section

Pan head screw

M5x16 (2pcs)

Bearing box section

1R236

Helical gear 47

Spindle

Repair

[3] DISASSEMBLY/ASSEMBLY
[3] -5. Bearing Box Section and Gear Section (cont.)

DISASSEMBLING

5) Remove Ring 17 from Bearing box section using 1R004 and 1R008.
(Fig. 24)

6) Fix Bearing box section in vise, then remove Bearing retainer 23-36
from Bearing box using 1R316 as illustrated in Fig. 25.
Ball bearing 6003DDW can now be removed.
Note: When fixing Bearing box section in vise, attach 1R041 to vise
in order not to damage Bearing box.

Fig. 25

P 7/10

Fig. 24

1R004

1R008

Ring 17

Bearing box section

Fit the two pins of 1R316 into the notches
of Bearing retainer 23-36 and turn 1R316
clockwise.

Pin

Note: 1R340 can also be used for removal/
installation of Bearing retainer 23-36.

ASSEMBLING

1) Fit Ball bearing 6003DDW in Bearing box, then mount Bearing retainer 23-36 on Bearing box by turning it
counterclockwise using 1R316 or 1R340.

2) Assemble Spindle to Helical gear 47 using arbor press. Then assemble Ball bearing 608LLB to them using arbor press.
(Fig. 26)

3) Set O ring 46 in place on Bearing box. Assemble Gear section to Bearing box using arbor press.
Then put Ring 17 on Spindle. (Fig. 27)

Fig. 26

1R316

Vise

Bearing retainer 23-36

Ball bearing 6003DDW

Bearing box

1R041

Spindle

Helical gear 47

Fig. 27

Be sure to set O ring 46 in place
on Bearing box before assembling
Gear section to Bearing box.

Bearing box

O ring 46

Ball bearing 608LLB

Assemble Gear section to
Bearing box using arbor press.

Gear section

Align the end of Spindle with the
surface of Ball bearing 608LLB.

Do not forget to put Ring 17
on Spindle before assembling
Bearing box section to Blade case.

Ring 17

Repair

[3] -6. Replacing the Electrical Parts in Handle Section

P 8/10

Remove Handle cover by unscrewing four 4x18 Tapping
screws on Motor housing section. (Fig. 28)
Electrical parts in Handle section can now be replaced.

Fig. 28

Handle cover

[4] ADJUSTMENT

Note: Be sure to unplug the tool before making the following adjustments.

[4] -1. Squaring Adjustment of Saw Blade

The angle of Saw blade to Base plate is adjusted to 90 degrees in factory.
But if out of adjustment, apply a triangular rule or 1R208 to Saw blade
and Base plate, then turn Hex socket set screw M5x8 with Hex wrench 2.5
until Saw blade is square to Base plate. (Fig. 29)

Fig. 29

triangular rule (or 1R208)

Tapping screw 4x18 (4 pcs)

Motor housing section

Base plate

Hex wrench 2.5

Hex socket set screw M5x8

[4] -2. Adjustment of Two Lever 56's

Each of the two Lever 56's (the one used for bevel angle adjustment and the one used for cut depth setting)
must be fixed in place so that it can be locked at an angle of between 0 and 30 degrees as illustrated in Figs. 30, 31.

Fig. 30 Fig. 31

Lever 56
(the one used for
bevel angle adjustment)

30 degrees

Base plate

Lever 56
(the one used for
cut depth setting)

30 degrees

Base plate

5008MG (without electric brake)

Circuit diagram

Fig. D-1

P 9/10

Color index of lead wires' sheath
Black
White
Red

black/brown

Power supply cord

white/blue

Note: Noise suppressor is not used for some countries.

Noise suppressor

(if used)

Switch

Terminal block

Handle

Protective tube
(Varnish tetron tube)

LED Job light

Field

Motor housing

Wiring diagram

Fig. D-2

Route two Field lead wires (black)
between the rib and the wall of Handle.

rib

[B]

[A]

Terminal block

When fixing lead wires with this lead
wire holder, fix LED lead wires (red) first,
then Field lead wires (black).

[A] If Power supply cord is equipped with a string loop,
put the loop around the ribs as illustrated below
before putting Terminal block in place.

[B]

Noise suppressor (if used)

Put Protective tube in this portion.

Protective tube

Fix two lead wires (red)
to LED Job light with

Switch

[B] Bend the terminals of Switch as illustrated below
so that they do not touch the rib and the wall of
Handle.

this lead wire holder.

LED Job light

Power supply cord

string loop

rib

Switch

terminal

5008MGA (with electric brake)

Circuit diagram

Fig. D-3

Color index of lead wires' sheath
Black
White
Red

black/brown

Yellow
Orange

Switch

Terminal block

P 10/10

Protective tube
(Varnish tetron tube)

LED Job light

Field

Power supply cord

white/blue

Handle

Wiring diagram

Fig. D-4

Route Field lead wire (yellow)
between the rib and the wall of Handle.

rib

[B]

[A]

Terminal block

When fixing lead wires with this lead
wire holder, fix LED lead wires (red) first,
then Field lead wires (black, yellow, orange).

[B]

Switch

Motor housing

Put Protective tube in this portion.

Protective tube

Fix two lead wires (red)
to LED Job light with
this lead wire holder.

LED Job light

Pull out Field lead wires (orange)
from this portion.

[A] If Power supply cord is equipped with a string loop,
put the loop around the ribs as illustrated below
before putting Terminal block in place.

Power supply cord

string loop

rib

[B] Bend the terminals of Switch as illustrated below
so that they do not touch the rib and the wall of
Handle.

Switch

terminal