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T ECHNICAL INFORMATION
Models No. SA7000C
Description Angle Sander 180mm (7") L
CONCEPT AND MAIN APPLICATIONS H
Model SA7000C is a new electronic angle sander developed
as a series model of GA7010C/GA9010C.
And its advantages are; W
*Powerful with 1600W motor
*Yet still has high heat-resistance even in sanding at the Dimensions: mm (")
Length (L) 453 (17-7/8)
*Electronic with soft start, current limiter and constant speed
under load Width (W) 170 (9-7/8)
Height (H) 136 (5-3/8)
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Max. Output(W)
110 15 50 / 60 1,600 700 2,500
120 14 50 / 60 1,600 700 2,500
220 7.7 50 / 60 1,600 700 2,700
230 7.3 50 / 60 1,600 700 2,700
240 7.0 50 / 60 1,600 700 2,700
Abrasive disc 180 (7)
Capacity: mm (")
Pad 180 (7)
No load speed: min.-1 = rpm. 0 - 1,500/4,000
Current limiter Yes
Speed adjusting dial Yes
Soft start Yes
Constant speed Yes
Australia 2.0 (6.5)
Cord length: m (ft)
Others 2.5 (8.2)
Net weight: kg (lbs) 3.2 (7.1)
*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
Features and benefits
High Heat-Resistant Makita Motor Speed Adjusting Dial
Allows you to adjust the maximum
Provides powerful rotation with high power input rotation speed to material or desirable
of 1600W, yet with minimal temperature rise in the finish in 6 stages;
Field even in sanding at the lowest rotation speed. 1) 1,500rpm 2) 2,000rpm 3) 2,500rpm
4) 3,000rpm 5) 3,500rpm 6) 4,000rpm
Spindle Lock Button
Plastic Head Cover
Variable Speed Control
Shuts off the heat to hand, Practical for sanding down corners
allowing you to sand while or controlling the amount of stock
grasping the tool head. removal.
O Rings for Protection from Electronic with
Grease-Leakage 1) Constant speed control minimizes reduction in rotation
Placed in the following portions; speed under load, increasing operation efficiency.
*Joint between gear housing and 2) Soft start feature minimizes startup reaction torque.
Bearing box 3) Current limiter protects motor from heat damage when
*Shaft lock pin installation hole the machine is overloaded. And automatically restarts
with a soft start when the load is lightened.
Comparison of products
Mode No. Makita A B C
Specifications SA7000C A1 A2 B C
Pad diameter: mm (") 180 ( 7 ) 180 ( 7 ) 180 ( 7 ) 180 ( 7 ) 180 ( 7 )
Power input: W 1,600 1,100 750 1,200 1,500
No load speed: min-1=rpm 0 - 1,500/ 4,000 1,400 - 3,400 1,900/3,400 1,800 - 4,800 1,400 - 4,200
Constant speed under load Yes Yes No Yes Yes
Soft start Yes Yes No Yes Yes
Current limiter Yes Yes No No Yes*
Speed change plus Dial Dial Dial
Trigger switch 2-speed
Auto cut-out brush Yes Yes Yes Yes Yes
Plastic head cover Yes No No No Yes
Double insulation Yes Yes Yes Yes Yes
Power supply cord: m (ft) 2.5 (8.2) 2.5 (8.2) 2.5 (8.2) 4.0 (13.1) 4.0 (13.1)
Length 453 (17-7/8) 416 (16-3/8) 395 (15-1/2) 385 (15-1/8) 338 (13-1/4)
Dimensions: mm (") Width 170 (6-11/16) 170 (6-11/16) 170 (6-11/16) 176 (6-15/16) 107 (4-1/4)
Height 136 (5-3/8) 118 (4-5/8) 123 (4-7/8) 96 (3-3/4) 130 (5-1/8)
Net weight: kg (lbs) 3.2 (7.1) 3.0 (6.6) 2.9 (6.4) 2.1 (4.6) 2.5 (5.5)
Side grip Side grip Side grip Grip Grip
Lock nut wrench Lock nut wrench Lock nut wrench Sanding lock nut Lock nut wrench
Standard equipment Sanding lock nut Rubber pad Wrench Pad Head cover
Rubber pad Abrasive disc (5pcs) Rubber pad (+) R. H. screw
Head cover Wool bonnet Abrasive disc (5pcs)
(+) R. H. screw Wool bonnet
*electronic control plus Thermistor
Comparison of products
 Field Temperature Rise
Each model was tested under the following conditions, 10 - 40N
which we concluded is the heaviest duty use from our
1) Rotational speed: at the lowest speed of each model
2) Operating time: for 10 minutes
3) Pushing pressure applied to the machine: 30 - 40N
4) Test material: Granite
5) Polishing tool: with a Cloth polishing pad
As illustrated below, the field temperature rise of Model SA7000C is lower than any other competition.
This result shows that Makita SA7000C have very high heat-resistance even in the toughest application.
Competitor C's Competitor A's
Model C Model A1
Temperature (C degree)
0 5 10
Operation time (min.)
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.
 Necessary Repairing Tools
Tool No./ Description Use for
1R035/ Bearing Setting Plate Press-fitting Ball bearings
1R045/ Gear Extractor (large) Removing Gear housing cover and Bearing box
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
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
 Lubrication Fig. 1
Put 40g of Makita grease SG. No.0 into the gear room of Gear housing
for a long gear life. (Fig. 1) Gear room
 Disassembling and Assembling
-1. Replacing Armature and Ball Bearing 6201LLB
Note: Disassembling can be done without disassembling Gear Fig. 2
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. Slide Gear
2) Separate Gear housing section from Motor housing by removing housing cover.
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
Strike two corners
Armature firmly by hand. Now smaller Spiral bevel gear can be
on the end of
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)
Fig. 3 Fig. 4
Gear Extractor, large (No.1R045) Gear housing cover
Gear housing cover
Ball bearing 6201LLB Ball bearing 6201LLB
Follow the reverse of disassembling procedure as described below.
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.
Fig. 5 Fig. 6
Gear housing Gear housing cover
Gear housing cover
Bearing Setting Plate Align the projection on Gear housing
(No.1R035) with that on Motor housing.
- 2. Replacing Spiral Bevel Gear 43 and Ball Bearing 6202DDW
Note: Disassembling can be done without disassembling Gear housing section.
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)
(continued to next page)
- 2. Replacing Spiral Bevel Gear 43 and Ball Bearing 6202DDW (cont.)
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)
Fig. 8 Fig. 9
Bearing Extractor Retaining Ring
(No.1R269) S and R Pliers
(No.1R291) Gear Extractor, large (No.1R045)
6) Hold Bearing box securely with vise, and remove Fig. 10
Bearing retainer from Bearing box using Bearing
Turn the handle of
retainer wrench (No.1R340) as illustrated in Fig. 10.
7) Remove Ball bearing 6202DDW from Bearing box Bearing box
by hitting it straight against the surface of work bench.
If cannot be removed, use arbor press.
ASSEMBLING Fig. 11
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. Spiral bevel gear 43
It is recommended to apply grease to the key slot on Spindle
in order to hold the Woodruff key securely in place. (Fig. 11)
Woodruff key 4
- 3. Replacing Shaft Lock Section
DISASSEMBLING Fig. 12
1) Remove Bearing box from Gear housing. (Fig. 7)
2) Pull off Shoulder pin 7 with pliers while pushing Pin cap with a Shoulder pin 7 Gear housing
finger. (Fig. 12)
Note: Do not pull off shoulder pin 7 without holding pin cap because Compression
Compression spring 7 would sling Pin cap. spring 7
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 Pin cap
plastic dust of Pin cap from Shoulder pin 7 and to install it onto
a brand-new Pin cap.
Blue or white
Power supply cord
[Pickup coil side]
Pick up coil Insulated
Heat shrink tube
Speed adjust dial
Color index of lead wires' sheath
The parts illustrated in this suppressor White
gray square are not used Red
for some countries. Insulated Orange
connector Choke coil Blue
 Wiring on Motor Housing
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.
(b) Field lead wires (black)
Put insulated connector
in this compartment (d) Connecting lead wire (black)
on Motor housing. of brush holder
(e) Connecting lead wire (black)
of brush holder
holders Put insulated connector
in this compartment
(a) Field lead wire on Motor housing.
(c) Field lead wire
(black) Lead wire from Choke coil (orange)*
Lead wire from (f) Field lead wire (black)
Choke coil (orange)*
Put (f) Field lead wire (black) on the
Choke coil* Pickup coil lead wire from Choke coil (orange)*
Put choke coil* into when holding them with lead wire
this opening. holder.
*Some countries do not use Choke coil.
 Wiring of the Lead Wires of Pickup Coil
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 Pickup coil
two lead wires as illustrated in Fig. 16.
Fig. 15 Fig. 16
Lead wire holder
Lead wire of
Lead wire of
pickup coil Pickup coil
Rib Handle (L) Boss on Handle (L)
 Wiring in Handle
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 d under other lead wire as illustrated below.
Lead wire holders
a) Lead wire from Controller (blue or white)
b) Field lead wire (white)
c) Lead wire from Controller (red)
d) Lead wire from Choke coil (red)*
Note: The position of b and that of d are replaceable.
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.
Lead wire At this time, put the lead wire from Controller (blue or white)
holder B and the lead wire from Choke coil (orange)* under the other
Speed adjust dial
Route the lead wires
that connect Controller
with Speed adjust dial
between these ribs, and
put them under the dial.
Insulated connector* Lead wire holder C Rib Boss
(Use for connecting the
lead wire from Choke With Lead wire holder C, hold more
coil with the lead wire than one lead wire that is connected Route lead wires between rib and boss
from Noise suppressor.) with this insulated terminal. and between rib and wall of handle (L).
Note: Some countries do not use the electrical parts with an asterisk.
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