Makita SA7000C Manual

Continuous Rating (W)

Voltage (V) Cycle (Hz) Input Output Max. Output(W)

110 15

7.7

7.3

7.0

120

220

230

240

Models No.

Description

PRODUCT

Current (A)

TECHNICAL INFORMATION

CONCEPT AND MAIN APPLICATIONS

Specification

Standard equipment

Optional accessories

P 1 / 6

Dimensions: mm (")

Width (W)

Height (H)

Length (L)

50 / 60

1,600

700

2,700

2,500

170 (6-11/16)

453 (17-7/8)

136 (5-3/8)

0 - 1,500/4,000

Electronic features

No load speed: min.-1 = rpm.

Abrasive disc

Pad

Speed adjusting dial

Soft start

Constant speed

Capacity: mm (")

Cord length: m (ft)

Net weight: kg (lbs)

180 (7)

2.5 (8.2)

3.2 (7.1)

2.0 (6.5)

180 (7)

Yes

Current limiter Yes

Yes

Australia

Others

Model SA7000C is a new electronic angle sander developed

as a series model of GA7010C/GA9010C.

And its advantages are;

*Powerful with 1600W motor

*Yet still has high heat-resistance even in sanding at the

lowest speed.

*Electronic with soft start, current limiter and constant speed

under load

SA7000C

Angle Sander 180mm (7")

*Lock nut wrench 35 ..................................... 1

*Sanding lock nut 14-18 ............................... 1

*Rubber pad 170 ............................................ 1

*Head cover ................................................... 1

*(+) Round head screw M14 ......................... 2

Note: The standard equipment for the tool shown may differ from country to country.

*Assorted accessories for 180mm (7") angle sander

Repair

P 2 / 6

Put 40g of Makita grease SG. No.0 into the gear room of Gear housing

for a long gear life. (Fig. 1)

[2] Lubrication

1R291/ Retaining Ring S and R Pliers Removal/Installation of the Retaining ring that retains larger Spiral bevel gear

1R340/ Bearing Retainer Wrench Removal/Installation of Bearing retainer

1R229/ 1/4" Hex Shank Bit M5 Removal/Installation of the Hex socket head bolts that fasten Bearing box

1R269/ Bearing Extractor Removing ball bearing 608DDW on the commutator end of Armature shaft

1R045/ Gear Extractor (large) Removing Gear housing cover and Bearing box

1R035/ Bearing Setting Plate Press-fitting Ball bearings

Tool No./ Description Use for

[1] Necessary Repairing Tools

[3]-1. Replacing Armature and Ball Bearing 6201LLB

[3] Disassembling and Assembling

1) After removing Carbon brushes, Remove Grip 36 complete.

Separate Head cover from Gear housing by removing two M14x10

(+) Round head screws with Phillips screwdriver No.3 or the like.

2) Separate Gear housing section from Motor housing by removing

four 5x30 Tapping screws.

3) Slide Gear housing cover until you see the corners on the end of

Motor housing. And then by striking two of the corners with plastic

hammer, the assembly of Armature and Gear housing cover can be

separated from Motor housing. (Fig. 2)

4) Remove Hex nut M6 by turning counterclockwise while holding

Armature firmly by hand. Now smaller Spiral bevel gear can be

removed from Armature shaft by hand.

4) Remove Gear housing cover from Armature using Gear Extractor,

large (No.1R045). (Fig. 3) Ball bearing 6201LLB is still on Gear

housing cover at this step. Therefore, remove the bearing with

arbor press and a round bar. (Fig. 4)

Note: Disassembling can be done without disassembling Gear

housing section.

CAUTION: For your safety, before maintenance or repair, be sure to;

1. Disconnect the machine from the power source.

2. Remove the wheel from the machine.

Gear room

Fig. 1

Fig. 2

Fig. 3 Fig. 4

DISASSEMBLING

Ball bearing 6201LLB Ball bearing 6201LLB

Gear housing cover

Gear Extractor, large (No.1R045) Round bar

Slide Gear

housing cover.

Strike two corners

on the end of

Motor housing.

Repair

P 3 / 6

[2]- 2. Replacing Spiral Bevel Gear 43 and Ball Bearing 6202DDW

1) Insert ball bearing 6201LLB straight into Gear housing cover.

And then put Bearing setting plate (No.1R035) on arbor press, and then put Gear housing cover on Bearing setting plate.

Press-fit Armature to Gear housing cover using arbor press. (Fig. 5)

2) Install smaller Spiral bevel gear on Armature shaft, and tighten Hex nut M6 securely with a spanner 10.

And then install the assembly of Armature and Gear housing cover on motor housing, and align the screw holes on Gear

housing cover with those of Motor housing.

3) Aligning the protrusion on gear housing with that on Motor housing, fit Gear housing to gear housing cover. (Fig. 6)

Fasten Gear housing to Gear housing cover and Motor housing with four 5x30 Tapping screws.

4) Install Head cover and Grip 36 complete.

1) Remove Sanding pad.

2) Using a Makita impact driver and Hex shank bit M5 (No. 1R229), remove four M5x16 Hex socket bolts that fasten

Bearing box to Gear housing.

3) Insert two slotted screwdrivers into two diagonal positions on the slit between Bearing box and Gear housing.

And twist the two screwdrivers at the same time till Bearing box is lifted up approximately 3mm.

And then insert the screwdrivers further into the slit, and remove Gear housing from Gear housing cover by lifting it

up with the screwdrivers. (Fig. 7)

Follow the reverse of disassembling procedure as described below.

Fig. 5 Fig. 6

Fig. 7

ASSEMBLING

DISASSEMBLING

Bearing Setting Plate

(No.1R035)

Gear housing cover

Armature

Gear housing Gear housing cover

Motor housing

Align the projection on Gear housing

with that on Motor housing.

Slotted screwdriver

Bearing box

Gear hosing

Note: Disassembling can be done without disassembling Gear housing section.

(continued to next page)

Repair

P 4 / 6

[3]- 2. Replacing Spiral Bevel Gear 43 and Ball Bearing 6202DDW (cont.)

[3]- 3. Replacing Shaft Lock Section

3) Remove Ball bearing 608LLB from spindle using Bearing extractor (No.1R269) as illustrated to left in Fig. 8.

4) Remove Retaining ring S-15 from Spindle using Retaining ring S and R pliers (No.1R291) as illustrated

to right in Fig. 8. Now Spiral bevel gear 43 and Woodruff key can be removed from Spindle by hand.

5) Remove spindle by pushing with Gear Extractor, large (No.1R045). (Fig. 9)

6) Hold Bearing box securely with vise, and remove

Bearing retainer from Bearing box using Bearing

retainer wrench (No.1R340) as illustrated in Fig. 10.

7) Remove Ball bearing 6202DDW from Bearing box

by hitting it straight against the surface of work bench.

If cannot be removed, use arbor press.

Fig. 8 Fig. 9

Fig. 10

Fig. 11

Fig. 12

DISASSEMBLING

Follow the reverse of disassembling steps.

Note: When installing Spiral bevel gear 43 onto Spindle,

Be careful not to allow Woodruff key 4 to be out of position.

It is recommended to apply grease to the key slot on Spindle

in order to hold the Woodruff key securely in place. (Fig. 11)

1) Remove Bearing box from Gear housing. (Fig. 7)

2) Pull off Shoulder pin 7 with pliers while pushing Pin cap with a

finger. (Fig. 12)

Note: Do not pull off shoulder pin 7 without holding pin cap because

Compression spring 7 would sling Pin cap.

Follow the reverse of disassembling steps.

Note: Do not reinstall removed Pin cap because removal of Shoulder

pin 7 damages the inside surface of Pin cap. Be sure to remove

plastic dust of Pin cap from Shoulder pin 7 and to install it onto

a brand-new Pin cap.

ASSEMBLING

DISASSEMBLING

ASSEMBLING

Ball bearing

608LLB

Bearing Extractor

(No.1R269) Retaining Ring

S and R Pliers

(No.1R291)

Retaining

ring S-15

Bearing box

Spindle

Gear Extractor, large (No.1R045)

Bearing box

Turn the handle of

Bearing retainer

wrench (No.1R340)

counterclockwise.

Woodruff key 4

Spiral bevel gear 43

Pin cap

Gear housing

Shoulder pin 7

Compression

spring 7

Circuit diagram

Wiring diagram

P 5 / 6

Color index of lead wires' sheath

Black

White

Red

Orange

Blue

Power supply cord

Controller

Switch

Field

Pick up coil

Noise

suppressor

Insulated

connector

Insulated

terminal

Insulated

connector

[1] Wiring on Motor Housing

Choke coil

Insulated

connector

Blue or white

The parts illustrated in this

gray square are not used

for some countries.

1) Draw the lead wires of (a), (b), (c), (d), (e) and (f) through

the openings (areas colored gray), and hold them with lead wire holders. (Fig. 14)

2) And then route the lead wires as illustrated below in Fig. 14.

Note: Illustrated in Fig. 14 is Motor housing viewed from the side of A.

Fig. 13

Fig. 14

Pickup coil

(d) Connecting lead wire (black)

of brush holder

(e) Connecting lead wire (black)

of brush holder

(b) Field lead wires (black)

Put (f) Field lead wire (black) on the

lead wire from Choke coil (orange)*

when holding them with lead wire

holder.

Put insulated connector

in this compartment

on Motor housing.

Put insulated connector

in this compartment

on Motor housing.

(black)

(a) Field lead wire

(white)

Lead wire from

Choke coil (orange)*

Lead wire from Choke coil (orange)*

Choke coil*

Put choke coil* into

this opening.

(f) Field lead wire (black)

[A]

Motor housing

*Some countries do not use Choke coil.

Lead wire

holders

Connector

Speed adjust dial

Heat shrink tube

[Pickup coil side]

Wiring diagram

P 6 / 6

Fig. 15

Fig. 17

[2] Wiring of the Lead Wires of Pickup Coil

[3] Wiring in Handle

Lead wire of

pickup coil

(white)

Lead wire of

pickup coil

(black)

Rib

Lead wire holder

1) First, route the white lead wire of pickup coil under the rib.

And then hold both of the white and the black lead wires

with the lead wire holder. (Fig. 15)

2) When installing Handle (L) onto Motor housing, route the

two lead wires as illustrated in Fig. 16.

Boss on Handle (L)

Handle (L)

Rib

a) Lead wire from Controller (blue or white)

c) Lead wire from Controller (red)

d) Lead wire from Choke coil (red)*

Note: The position of band that of dare replaceable.

b) Field lead wire (white)

Switch

Noise suppressor*

Before setting Switch in place, hold the three (or four) lead wires with the lead wire holders under switch as

illustrated below. When using Choke coil, place the lead wire dunder other lead wire as illustrated below.

Lead wire holders

Fig. 16

Route the lead wires

that connect Controller

with Speed adjust dial

between these ribs, and

put them under the dial.

Rib Boss

Note: Some countries do not use the electrical parts with an asterisk.

Pickup coil

Motor housing

Pickup coil

Lead wire

holder A

Lead wire

holder B

Lead wire holder C

Speed adjust dial

Controller

Route lead wires between rib and boss

and between rib and wall of handle (L).

With Lead wire holder C, hold more

than one lead wire that is connected

with this insulated terminal.

Insulated connector*

Insulated connector

(Use for connecting the

lead wire from Choke

coil with the lead wire

from Noise suppressor.)

With Lead wire holder A, hold the lead wires that connect

Controller with Connector on Switch.

With Lead wire holder B, hold the other lead wires.

At this time, put the lead wire from Controller (blue or white)

and the lead wire from Choke coil (orange)* under the other

lead wires.

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