Makita UC3020A Technical Information
Chain saws 300mm ( 12 inch), 350 mm (14 inch), 400 ( 16 inch)
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Also See for UC3020A:
- Instruction manual (120 pages) ,
- Instruction manual (104 pages) ,
- Instruction manual (109 pages)
Table of Contents
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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
These new electric chain saws have been developed as the
up-graded successors to the current UC3010A series models.
Designed with the concept of "Easy Operation and Maintenance",
and feature the following main advantages;
Toolless blade change and adjustment
Front grip ergonomically designed for high maneuverability
S
pecification
Voltage (V)
110
120
220
230
240
Model No.
Chain speed per sec: m/s (m/min)
Standard guide bar: mm (")
Type
Chain blade
Pitch
Chain brake
Chain oil tank capacity: ml
Automatic chain oiling
Double insulation
Power supply cord: m (ft)
Net weight: kg (lbs)
S
tandard equipment
Chain blade ........................ 1 pc (UC3020A: 90SG-46E, UC3520A: 90SG-52E, UC4020A: 90SG-56E)
Guide bar ........................... 1 pc (UC3020A: 90SG 12", UC3520A: 90SG 14", UC4020A: 90SG 16")
Ghain cover ....................... 1 pc
Hook complete .................. 1 pc
Note: The standard equipment for the tool shown above may differ by country.
O
ptional accessories
Chain blade (90SG, 91VG) (300/ 350/ 400mm)
Guide bar (90SG, 91VG) (300/ 350/ 400mm)
Chain oil
UC3020A/ UC3520A/ UC4020A
Chain Saws 300mm (12")/ 350mm (14")/ 400mm (16")
Current (A)
Cycle (Hz)
15
50/ 60
15
50/ 60
8.6
50/ 60
8.2
50/ 60
7.9
50/ 60
UC3020A
300
(12)
90SG-46E
Continuous Rating (W)
Input
1,570
1,710
1,800
1,800
1,800
UC3520A
13.3 (800)
350
(14)
90SG-52E
3/8"
Mechanical brake
200
Yes
Yes
0.3 (0.98)
3.8
(excluding guide bar and chain blade)
PRODUCT
W
L
*Dimensions: mm (")
Length (L)
436
Width (W)
244
Height (H)
200
*Dimensions: excludes guide bar.
Max. Output (W)
Output
700
1,900
850
1,950
1,000
2,400
1,000
2,400
1,000
2,400
UC4020A
400
(16)
90SG-56E
P 1 /10
H
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Table of Contents
Related Manuals for Makita UC3020A
Summary of Contents for Makita UC3020A
- Page 1 (excluding guide bar and chain blade) tandard equipment Chain blade ......1 pc (UC3020A: 90SG-46E, UC3520A: 90SG-52E, UC4020A: 90SG-56E) Guide bar ......1 pc (UC3020A: 90SG 12", UC3520A: 90SG 14", UC4020A: 90SG 16") Ghain cover ....... 1 pc Hook complete ....1 pc Note: The standard equipment for the tool shown above may differ by country.
-
Page 2: Necessary Repairing Tools
As illustrated in Fig. 1, to protect parts and product from unusual abrasion; 1) Apply Makita grease N. No.2 to the portions designated with the black triangle. 2) When replacing Oil pump complete, apply a little amount of Chain oil to the portions designated with the gray triangle. - Page 3 P 3 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Lubricating Mechanism (cont.) Fig. 3 ASSEMBLING 1) Mount O ring 6 to the boss of Bearing holder. (Fig. 3) O Ring 6 2) See Fig. 4. boss Before connecting Oil tube to Oil tank, make sure that: Bearing holder 1.
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Page 4: Troubleshooting
P 4 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Lubricating Mechanism (cont.) TROUBLE SHOOTING If the oil is not supplied to chain or delivered very little; 1) Remove Guide bar, then Push nut and Filter. (Fig. 7) Run the machine without Filter. If the oil flows out from Oil supply port, there is not trouble with Oil pump complete. - Page 5 P 5 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Brake Mechanism and Armature Principle of Brake Mechanism Refer to the explanation below when repairing Brake mechanism. These models are equipped with the following two brake systems. A. Brake Synchronized with Switch Lever This brake works when Switch lever is released to stop operation.
- Page 6 P 6 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Brake Mechanism and Armature DISASSEMBLING 1) Remove Housing (R). (Fig. 2 on page 2) 2) Push Front hand guard towards the Guide bar installation side to lock Armature with kick back brake. If Front hand guard is damaged, remove it and lock Armature by bending Link plate complete with a slotted screwdriver.
- Page 7 P 7 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Brake Mechanism and Armature (cont.) DISASSEMBLING 6) Unlock the Kick back brake by pulling Link plate complete in the direction of the gray arrow with adjustable pliers. (Fig. 12) Fig. 12 Link plate complete moves in the direction of the black arrow.
- Page 8 P 8 /10 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Brake Mechanism and Armature (cont.) DISASSEMBLING 10) Remove Brake band by unscrewing Tapping screw 4x18, then disconnect Brake ring from Rod. (Fig. 16) 11) Remove Rod from Bearing holder. (Fig. 17) Fig. 16 Fig.
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Page 9: Circuit Diagram
P 9 /10 ircuit diagram Fig. 19 Rear Grip Front Grip Power SupplyCord Main Switch Brake switch Noise suppressor Field Rear Grip Side Front Grip Side Color index of lead wires' sheath Black White Motor Housing Orange... -
Page 10: Wiring Diagram
P 10 /10 iring diagram Fig. 20 Handle Section Put noise suppressor into the space between strain relief and main switch. Power Supply Cord to Brake switch to Field Noise Suppressor Main Switch Strain Relief Fig. 21 Motor Section A. Field Lead Wire (black) to Brake Switch The recectaples have to face the wall of Route it between rib A and rib B.