Makita DGA404 Technical Information
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Instruction Manual
T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPT AND MAIN APPLICATIONS
The subject models are cordless angle grinders powered by 18V Li-ion battery,
and equipped with highly enhanced Brushless DC motor compared to the current
models DGA402/ DGA452.
A built-in controller changes the cutting speed automatically according to load condition,
enabling users to obtain high speed rotation on light duty application/ high torque on
heavy duty application.
Note: BL1815 is not compatible.
S
pecification
Specification
Voltage: V
Capacity: Ah
Cell
Energy capacity: W
Charging time (approx.): min. 15, 18, 22, 36, 45 with DC18RC
Diameter
Wheel size: mm (") Hole diameter
Max. thickness
No load speed: min.ֿ ¹= rpm
Switch type
Overload warning lamp
Electronic current limiter
Soft start
Anti-restart function
Battery fuel gauge
Soft grip
Weight according to
EPTA-Procedure 01/2003: kg(lbs)*2
*2 With 3.0Ah battery
S
tandard equipment
Lock nut wrench ............................................ 1
Side grip ......................................................... 1
Depressed center grinding wheel ................... 1 (100mm for DGA404, 115mm for DGA454, 125mm for DGA504)
Battery cover .................................................. 1 (except -Z- model)
Plastic carrying case ....................................... 1 (except -Z- model)
Charger DC18RC ........................................... 1 (except -Z- model)
Li-ion battery BL1830 or BL1840 ................. 2 (except -Z- model)
Note: The standard equipment may vary by country or model variation.
O
ptional accessories
Depressed center wheels
Rubber pads
Abrasive discs
Wire brushes
Diamond wheels
DGA404, DGA454, DGA504
18V Cordless Angle Grinders
Model DGA404
DGA454
1.5, 2.0, 3.0, 4.0, 5.0
27, 36, 54, 72, 90
100 (4)
115 (4-1/2) 125 (5)
16 (5/8)
2.4 (5.3)
Abrasive cut off wheels
Toolless wheel covers
Sanding lock nuts
Fast charger DC18RC
Fast charger DC18SD
DGA504
18
Li-ion
22.23 (7/8)
6 (1/4)
8,500
Slide
No
Yes
Yes
Yes
Yes
Yes
2.5 (5.5)
2.5 (5.6)
Charger DC24SC
Automotive charger DC18SE
Four port multi charger DC18SF
OFFICIAL USE
for ASC & Sales Shop
PRODUCT
L
H
W
Dimensions: mm (")
Length (L)*1
All
362 (14-1/4)
DGA404
Width (W)
DGA454
DGA504
DGA404
Height (H)
DGA454,
DGA504
*1 With BL1830/ BL1840/ BL1850
Li-ion battery BL1815N
Li-ion battery BL1820
Li-ion battery BL1830
Li-ion battery BL1840
Li-ion battery BL1850
P 1/ 14
117 (4-5/8)
130 (5-1/8)
140 (5-1/2)
140 (5-1/2)
145 (5-3/4)
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Table of Contents
Related Manuals for Makita DGA404
Summary of Contents for Makita DGA404
- Page 1 Lock nut wrench ..........1 Side grip ............1 Depressed center grinding wheel ....1 (100mm for DGA404, 115mm for DGA454, 125mm for DGA504) Battery cover ..........1 (except -Z- model) Plastic carrying case ........1 (except -Z- model) Charger DC18RC ...........
- Page 2 Item No. Description Portion to lubricate Lubricant Amount O ring 26 Inner periphery that appears from Gear housing cover Makita grease a little SG. No.0 Spiral bevel gear 10 Gear teeth in the gear room of Gear housing Fig. 1...
- Page 3 P 3/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-1. Rotor, Ball bearing 629LLB/ 607LLB, Spiral bevel gear 10 DISASSEMBLING (1) Remove Gear housing cover with Rotor section from Motor housing. (Figs. 2, 3 and 4) (2) Disassemble Rotor section. (Fig. 5) Fig. 2 Fig.
- Page 4 P 4/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-1. Rotor, Ball bearing 629LLB/ 607LLB, Spiral bevel gear 10 (cont.) DISASSEMBLING (3) Disassemlble Gear housing cover and Rotor section. (Figs. 6 and 7) Fig. 6 Hook the jaws of 1R045 with Gear housing cover, then push out Rotor. Press down Ball bearing 629LLB with 1R286.
- Page 5 P 5/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-1. Rotor, Ball bearing 629LLB/ 607LLB, Spiral bevel gear 10 (cont.) ASSEMBLING Assemble by reversing the disassembly procedure. Note: Be careful about the points shown in Figs. 10, 11 and 12. Fig. 10 Receive the inner race of Ball bearing 629LLB in Gear housing cover with 1R027, Gear housing and pressfit the shaft of Rotor into the hole of Ball bearing 629LLB.
- Page 6 P 6/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-2. Spiral bevel gear 37, Ball bearing 696ZZ and Ball bearing 6201DDW DISASSEMBLING Note: The subject parts can be removed without disassembling Motor section. Disassemble Bearing box section as drawn in Fig. 13 to Fig. 19. Fig.
- Page 7 P 7/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-2. Spiral bevel gear 37, Ball bearing 696ZZ and Ball bearing 6201DDW (cont.) ASSEMBLING Fig. 20 Assemble by reversing the disassembly procedure. 1R029 Note: When Spindle is pressfit into Spiral bevel gear 37: 1. insert the thread of Spindle into the hole of 1R034 to receive the stepped portion of Spindle on 1R034.
- Page 8 P 8/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-4. Assembling of Stator complete Refer to Figs. 23 and 24. Fig. 23 Fit four projections on Housing set into four the mating cavity in Stator complete. Mating cavity on the left side and the right side (Two each) Stator complete Projection in Housing on the left side and the right side (Two each) Fig.
- Page 9 P 9/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-5. Assembling of Switch knob and Switch lever Refer to the following and next pages. (Figs. 25, 26, 27, and 28) Fig. 25 Fig. 26 Set Torsion spring 2 in place of Lever, and then Insert the hook of Switch knob into pass Pin 2 through the holes of Lever.
- Page 10 P 10/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3]-5. Assembling of Switch knob and Switch lever (cont.) Fig. 28 Insert one end of Pin 2 into the hole of Housing L. Place the top projection on the reverse side of Switch knob and put the one end of Torsion spring 2 on the rib into the groove of Housing L.
- Page 11 P 11/ 14 ircuit diagram Fig. D-1 Flag terminal with lock Battery terminal (#187, t=0.8mm) Flag terminal with lock (#250, t=0.8mm) Lead wire Line filter (if used) (red, #14*) Lead wire (yellow, 22AWG*) Lead wire Resistor unit (red, 14AWG*) Lead wire (black, 14AWG*) Lead wire Tape...
- Page 12 P 12/ 14 iring diagram Fig. D-2 Connect Lead wire (white) and Lead wire (orange) to Switch with Insulated terminal. Be careful about the directions of the insulated terminals. Insulated terminals Lead wire (white) between Terminal 1 and Terminal 2 Place Resistor unit and Connector 2-SD in the area Lead wire (orange) from Controller circled by a blue broken line.
- Page 13 P 13/ 14 rouble shooting Whenever you find any trouble in your machine, first, refer to this list to check the machine for solution. Fig. D-3 Note in Repairing Star mark (1) Use the full charged battery which has the star mark. (Fig. D-3) (2) Check the functions by repeating 10 times.
- Page 14 P 14/ 14 rouble shooting Test for recognizing the trouble on Stator complete mark on the tester: Refer to Fig. D-5.) (1) Set Digital tester (1R402) in the diode mode ( (2) Remove Battery, and then turn on Switch. (Fig. D-6) (3) Attach Black tester bar to Plus terminal of Battery terminal.