Furukawa F-Series Hydraulic Breaker Service Manual (F11–F70) – PDF Download
$29.95
Official Furukawa F-Series Hydraulic Breaker Service Manual covering F11–F70 models. Includes detailed disassembly, inspection, hydraulic troubleshooting, nitrogen charging, and maintenance procedures for all large-sized breakers.
Description
Furukawa F-Series Hydraulic Breaker Service Manual (F11–F70) – PDF Download
DESCRIPTION:
The Furukawa F-Series Hydraulic Breaker Service Manual provides detailed factory-level instructions for disassembly, reassembly, inspection, and maintenance of large-sized Furukawa rock breakers used on excavators and backhoes.
This manual covers all major F-series models, from the compact F11 to the heavy-duty F70, and includes mechanical breakdowns, exploded diagrams, torque specifications, seal replacement data, and troubleshooting procedures for hydraulic performance and impact output.
It’s an essential reference for construction equipment mechanics, hydraulic specialists, and workshop engineers performing overhauls or preventive maintenance on Furukawa hydraulic breakers.
IMAGES:
⚙️ Models Covered
F11, F12, F19, F20, F22, F27, F30, F35, F45, F70
🧰 Main Sections
Safety Precautions: Detailed guidelines for safe disassembly and high-pressure handling.
Structure & Function: Component layout for piston, cylinder, accumulator, chisel bush, and valve housing.
Disassembly / Reassembly: Step-by-step procedures with alignment marks, torque data, and grease recommendations.
Inspection & Maintenance: Wear limits, bushing clearance, and seal-kit replacement steps.
Hydraulic System: Working pressure ranges, oil flow requirements, and nitrogen gas charging procedure.
Troubleshooting: Low impact power, piston seizure, oil leaks, chisel breakage, and accumulator failure diagnostics.
Exploded Views & Parts Lists: Sectional diagrams for all sub-assemblies with part reference numbers.
🔩 TECHNICAL HIGHLIGHTS
| Feature | Specification / Description |
|---|---|
| Equipment Type | Hydraulic Rock Breaker (Excavator Attachment) |
| Models | F11, F12, F19, F20, F22, F27, F30, F35, F45, F70 |
| Operating Pressure | 160–180 bar (varies by model) |
| Impact Energy | 0.4–5.0 kJ (approx.) |
| Carrier Weight Range | 1.0 – 7.0 ton excavators |
| Accumulator Charge Pressure | 12–15 bar (nitrogen) |
| Hydraulic Oil Type | ISO VG 46 / 68 (anti-wear type) |
| Lubricant for Tool Bushings | Lithium-based grease NLGI-2 |
| Maintenance Interval | Every 250 hours (inspection) / 1000 hours (overhaul) |
FILE DETAILS
| File Name | 671781101-Furukawa-F-Series-Hydraulic-Breaker-Service-Manual.pdf |
|---|---|
| Manual Type | Service / Workshop / Maintenance Manual |
| Manufacturer | Furukawa Rock Drill Co., Ltd. (FRD Japan) |
| Models Covered | F11, F12, F19, F20, F22, F27, F30, F35, F45, F70 |
| Language | English |
| Pages | 424 Pages |
| Format | Searchable PDF |
| File Size | ~36.3 MB |
| Publication Type | Official Factory Manual |
| Sections Included | Disassembly, Inspection, Maintenance, Troubleshooting |
| Usage | Excavator Hydraulic Breaker Service Reference |
