Makita HK1820 - Manual
A repair manual for power tools like the Makita HK1820 Power Scraper covers detailed mechanical and electrical disassembly, reassembly, lubrication, and maintenance procedures. The guide includes step-by-step instructions for breaking down components such as the barrel/tool holder, motor section, gear assembly, and handle, along with diagrams illustrating part orientation and critical steps like proper lubricant application or O-ring placement. It also addresses specialized tools, torque specifications, and wiring configurations to ensure interference suppression in electrical systems.
Table of Contents:
- Page 1 – Product Specifications and Accessories
- Page 2 – Mechanical Assembly Lubrication and Tool Specifications
- Page 3 – Chuck Section Disassembly Procedures
- Page 4 – Barrel, Tool Holder, and Cylinder Disassembly
- Page 5 – Barrel and Cylinder Component Removal
- Page 6 – Handle Section Repair and Electrical Component Access
- Page 7 – Motor Section Disassembly
- Page 8 – Motor Crank Section Assembly and Compatibility
- Page 9 – Gear Section Disassembly and Assembly
- Page 10 – Handle Section Disassembly Procedures
- Page 11 – Fastening Torque and Maintenance Program
- Page 12 – Radio Interference Suppression Circuit Diagram
- Page 13 – Lead Wire Routing and Installation Warnings
- Page 14 – High Voltage Wiring and Interference Suppression
- Page 15 – Low Voltage Wiring and Grounding Connections
- Page 16 – Lead Wire Routing and Color Coding Installation
- Page 17 – Connector Housing and Brush Holder Connection
PRODUCT
P 1/17
T
ECHNICAL INFORMATION
Dimensions: mm (")
Width (W)
Height (H)
Length (L) 351 (13-3/4)
102 (4)
203 (8)
L
H
W
Continuous Rating (W)
Voltage (V)
Cycle (Hz)
Input
Output
Max. Output (W)
110
120
220
230
240
5.3
5.0
2.6
2.5
2.4
50/60
50/60
50/60
50/60
50/60
550
---
550
550
550
260
260
260
260
260
390
390
390
390
390
Models No.
Description
Current (A)
C
ONCEPT AND MAIN APPLICATIONS
S
pecification
S
tandard equipment
O
ptional accessories
Note:
The standard equipment for the tool shown above may differ by country.
HK1820
Power Scraper
Model HK1820 has been developed as the successor model of HK1810,
featuring vibration absorbing handle additionally to the same compact
and lightweight design as the predecessor model.
Also features the chuck adapted for SDS-PLUS bits.
Bull point ................................. 1
Scaling chisel ........................... 1
Scaling chisel (for tile) ............. 1
Hook complete ......................... 1
Plastic carrying case ................. 1
Bull points
Cold chisel
Grooving chisels
Scaling chisel
Scaling chisel (for tile)
Hook complete
Scraper assembly
Grease vessel (containing Hammer grease)
Bit grease
Safety goggles
Impacts per min: ipm=min
-1
Protection from electric shock
Net weight: kg (lbs)
Power supply cord: m (ft)
Shank type: mm (")
0 - 3,200
3.3 (7.3)
SDS-Plus
Double insulation
Impact energy [catalog value]: J
3.9
Variable speed control
Yes
by dial
Yes
by trigger
Chile, Brazil: 2m (6.6ft)
Other countries: 5m (16.4ft)
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About this manual
- Brand
- Makita
- Model
- HK1820
- Document type
- Manual
- Category
- Jackhammer
- Language(s)
- English
- Pages
- 17
- File size
- 4.6 MB
- Format
Other Manuals for Makita HK1820
Summary
Technical specifications, equipment details, concept description, physical dimensions, electrical specifications, and lists of standard and optional accessories for the Power Scraper.
Tools required for disassembly and lubrication specifications for mechanical assembly, including lubricant amounts for designated parts, and diagrams illustrating crankshaft, piston, and helical gear components.
Step-by-step instructions and component labels for disassembling the chuck section, including removal of the chuck cover, compression springs, and steel balls, with handling notes.
