Redmill Gas Compressor Industrial Engine Service Manual – PDF Download
Original price was: $70.00.$28.95Current price is: $28.95.
Comprehensive factory service manual for Redmill Gas Compressor units powered by the Ford LRG-425 2.5 L Industrial Engine (153 CID).
Includes detailed instructions for engine overhaul, diagnostics, ignition, carburetor, governor, fuel pump, cooling, and electrical generator systems. Essential for maintenance engineers, mechanics, and technicians handling industrial gas compressor engines.
Description
Redmill Gas Compressor (Ford LRG-425 2.5 L) Industrial Engine Service Manual – PDF Download
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Product Description
The Redmill Gas Compressor / Ford LRG-425 Industrial Engine Service Manual provides complete step-by-step factory procedures for the 2.5 L (153 CID) four-cylinder industrial engine commonly used in Redmill gas compressors, generators, and stationary power units.
Developed by Ford Power Products, this guide enables professional service centers and mechanical engineers to perform precise diagnostics, tune-ups, overhauls, and rebuilds to factory standards.
This official workshop manual covers everything — from basic maintenance and testing to complete disassembly, inspection, reconditioning, and re-assembly.
It also includes special tool references (Rotunda service tools), wiring diagrams, and factory torque specifications, ensuring long-term reliability and engine safety compliance.
⚙️ File Details
| Category | Details |
|---|---|
| Manufacturer | Ford Power Products (for Redmill Compressors) |
| Engine Model | LRG-425 — 2.5 L / 153 CID Industrial Engine |
| Applications | Redmill Gas Compressors · Generators · Industrial Pumps |
| Fuel Type | LPG / Natural Gas (spark-ignited) |
| Document Type | Factory Service & Workshop Manual |
| Edition / Publication | Original OEM Edition |
| Language | English |
| File Format | Searchable PDF |
| Pages | Approx. 194 pages |
| Sections Included | Engine Service · Ignition · Fuel Pump · Carburetor · Starter Motor · Governor · Cooling System · Generator |
| Engine Specifications | 2.5 L (153 CID) · 4-cyl · OHV · Liquid-Cooled · 8.3:1 Compression |
| Ignition System | Distributor-type · Electronic / Coil Ignition |
| Lubrication System | Full-flow oil filter · Pressurized lubrication circuit |
| Cooling System | Water-cooled · Thermostat controlled |
| Electrical System | Generator / Alternator with regulator (12 V DC) |
| Compression Ratio | 8.3 : 1 (Natural Gas / LPG variants) |
| Bore × Stroke | 3.875 in × 3.25 in (98.4 mm × 82.6 mm) |
| Output | ≈ 65–75 HP @ 3000 RPM (application-dependent) |
🧾 Table of Contents
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Main Sections
1️⃣ Engine Service – General
• Introduction & Identification
• Safety Precautions & Nameplate Data
• Engine Diagnosis & Symptom Charts
• Compression / Oil Pressure / Leakage Testing
• Camshaft, Crankshaft & Connecting Rod Service
• Cylinder Block, Head & Valve Service
2️⃣ Engine Service – 2.5 L (LRG-425)
• Engine Assembly / Disassembly
• Torque Specifications · Clearance Charts
• Bearing, Piston, and Ring Installation Procedures
3️⃣ Ignition System
• Distributor Testing · Timing Adjustment
• Spark Plug & Coil Inspection
• Ignition Circuit Diagram
4️⃣ Fuel Pump Section
• Mechanical Pump Testing · Pressure & Flow Specs
• Diaphragm Replacement Procedures
5️⃣ Carburetor System
• Adjustment Procedures · Float Level & Mixture Setup
• Idle Circuit & Choke Mechanism Service
6️⃣ Starter Motor
• Solenoid Testing · Armature Service · Brush Replacement
7️⃣ Governor System
• Speed Control Linkage Adjustment
• Idle & Full-Speed Calibration
8️⃣ Cooling System
• Water Pump · Thermostat · Radiator Service
• Pressure Testing & Coolant Flow Checks
9️⃣ Generator / Electrical Section
• Generator Overhaul Procedures
• Voltage Regulator Adjustment
• Wiring Schematic
🧠 Technical Highlights
Step-by-step diagnostic flow charts and test data
Compression / vacuum / oil pressure testing procedures
Valve service, camshaft & crankshaft inspection techniques
Complete carburetor & ignition adjustment guides
Cooling and governor calibration instructions
Fully cross-referenced with Ford Rotunda service tools
💡 Why This Manual Is Essential
Ensures factory-level maintenance of the Redmill compressor’s 2.5 L Ford engine
Covers both mechanical and electrical systems
Ideal for industrial technicians and maintenance engineers
Enables accurate troubleshooting, performance tuning, and preventive servicing
