FS Curtis FAC Portable Diesel Air Compressor Service Manual Shibaura Nissan PDF

DESCRIPTION:

FS Curtis FAC Series Portable Diesel Air Compressors – Complete Factory Service Manual

This is the official factory service manual for FS Curtis FAC series portable diesel-powered air compressors. This comprehensive technical guide provides service personnel, fleet maintenance technicians, and equipment mechanics with complete maintenance, troubleshooting, and repair procedures for these industrial-grade portable compressor units used in construction, mining, quarrying, and general industrial applications.

File Details:

• Manual Type: Factory Service Manual
• Manufacturer: FS Curtis (Curtis-Toledo Inc.)
• PDF Quality: Good – Factory original with technical diagrams
• Total Pages: 102

MODELS COVERED:

SHIBAURA ENGINE MODELS:

1. FAC-16B – Powered by IHI Shibaura engine
2. FAC-21B – Powered by IHI Shibaura engine
3. FAC-21BC – Powered by IHI Shibaura engine
4. FAC-28B – Powered by IHI Shibaura engine
5. FAC-28BC – Powered by IHI Shibaura engine
6. FAC-37B – Powered by IHI Shibaura engine
7. FAC-37BC – Powered by IHI Shibaura engine

NISSAN DIESEL ENGINE MODELS:

8. FAC-52B – Powered by Nissan Diesel engine
9. FAC-52BC – Powered by Nissan Diesel engine

COMPRESSOR MODEL CODES:

• PDS55S-5B2 / PDS55S-5C1 (IHI Shibaura E673L engines)
• PDS75S/SC-5B2 / PDS75S/SC-5C1 (IHI Shibaura engines)
• PDS100S/SC-5B2 / PDS100S/SC-5C1 (IHI Shibaura engines)
• PDS130S/SC-5B2 (IHI Shibaura N843L engine)
• PDS175S/SC-5B2 / PDS175S/SC-5C1 (Nissan Diesel engines)

TYPICAL SPECIFICATIONS (PDS55S-5B2 Example):

Weight & Dimensions:

• Overall Length: 1,420 mm (bonnet: 1,300 mm)
• Overall Width: 720 mm
• Overall Height: 820 mm
• Net Dry Mass: 320 kg
• Operating Mass: 350 kg

Compressor Performance:

• Free Air Delivery: 1.56 m³/min (55 CFM)
• Working Pressure: 0.7 MPa (7 bar / 101 PSI)
• Pressure Control Valve Setting: 0.69 MPa
• Safety Valve Burst Pressure: 1.0 MPa
• Ambient Temperature Range: -15°C to +35°C
• Maximum Altitude: Less than 1,500 m

Engine Specifications:

• Type: IHI Shibaura E673L-C-8801 / E673L-D-8801
• Rated Output: 10.5 kW at 3,200 min⁻¹
• Fuel Consumption: 307-331 g/kW·h
• Rated Speed: 3,200 rpm
• Idle Speed: 2,200 rpm
• Engine Mass: 74 kg

Fluid Capacities:

• Compressor Oil: 3.2-2.3 L
• Coolant Capacity: 8 L
• Fuel Tank Capacity: 3.9 L (some models: 18 L)

Recommended Compressor Oils:

• MOBIL: RARUS 424
• SHELL: CORENA OIL RS32
• CALTEX: COMPRESSOR OIL RA32

PREFACE – IMPORTANT INFORMATION:

Manual Purpose:

• Service guide for electrical systems and troubleshooting
• Companion to Instruction Manual and Parts Catalogue
• Avoids duplication with other documentation
• Updates may supersede previous publications

Service Personnel Requirements:

• Proper and sufficient knowledge of unit structure and function
• Well-familiar with maintenance techniques
• Quick and proper countermeasure capabilities
• Correct maintenance technology application
• Authorized for safe field service and periodic maintenance

Distribution Notice:

• Limited distribution to authorized customers
• Unauthorized reproduction or distribution prohibited
• Copyrighted material

COMPREHENSIVE MANUAL CONTENTS:

SECTION 1: SPECIFICATIONS (Pages 1-1 to 1-30)

1.1 Specifications:

• Complete technical specifications for all models
• Weight and mass data
• Dimensional specifications
• Compressor performance data
• Engine specifications
• Fuel consumption ratios (full load, 70%, 50%, no load)
• Fluid capacities
• Emergency stop device settings
• Warning device parameters

1.2 Set Values:

• Oil pressure switch actuation values
• Water temperature switch settings
• Discharge air temperature switch settings
• Charging malfunction parameters
• Safety valve settings
• Pressure control valve settings

1.3 Outline Drawing:

• Overall dimensional drawings
• Component layout diagrams
• Mounting point specifications
• Clearance requirements

1.4 Internal Components and Part Names:

• Complete component identification
• Internal layout diagrams
• Part nomenclature
• Assembly relationships

1.5 Instrument Panel:

• Control panel layout
• Gauge locations
• Switch identification
• Indicator functions
• Display descriptions

1.6 Piping Diagram:

• Complete pneumatic system diagrams
• Air flow schematics
• Pressure line routing
• Control line identification
• Safety valve locations
• Drain line configurations

1.7 Fuel Piping:

• Fuel system schematics
• Fuel line routing
• Filter locations
• Tank connections
• Return line configurations

SECTION 2: MAINTENANCE (Pages 2-1 to 2-13)

2.1 Cautions for Overhauling:

• Precautions before starting work
• Safety protocols
• Shutdown procedures
• Pressure release requirements
• Tool requirements
• Cleanliness standards
• Protective equipment needs

2.2 Tightening Torque:

• Complete torque specifications
• Bolt size and grade
• Critical fastener torque values
• Tightening sequences
• Thread preparation requirements

2.3 How to Adjust Regulator and Replace Diaphragm:

• Regulator adjustment procedures
• Pressure setting methods
• Diaphragm replacement steps
• Assembly sequences
• Testing procedures
• Performance verification

2.4 Replacement of Unloader Spare Parts:

• Unloader system disassembly
• Component identification
• Wear inspection criteria
• Installation procedures
• Adjustment after replacement
• Operational testing

2.5 Pressure Control Valve Adjustment and Spare Parts Replacement:

• Pressure adjustment procedure
• Valve disassembly methods
• Spring replacement
• Seal replacement
• Calibration procedures
• Set point verification

2.6 Inspection/Replacement of Auto Relief Valve Spare Parts:

• Relief valve testing
• Disassembly procedures
• Component inspection
• Replacement parts installation
• Pop-off pressure testing
• Safety verification

2.7 Change Oil Separator:

• Oil separator removal procedures
• Element replacement
• Housing cleaning
• Gasket replacement
• Installation procedures
• Leak testing

2.8 Change of Pellet Assembly of By-pass Valve:

• By-pass valve disassembly
• Pellet assembly removal
• New pellet installation
• Valve reassembly
• Functional testing

2.9 Clean Inside of Fuel Tank:

• Tank draining procedures
• Access methods
• Cleaning procedures
• Sediment removal
• Inspection requirements
• Refilling procedures

2.10 Values of Various Adjustments of Engine:

• Engine timing specifications
• Valve clearance adjustments
• Injection timing
• Governor settings
• Idle speed adjustment
• Maximum speed settings
• Throttle cable adjustment

SECTION 3: ELECTRIC SYSTEM (Pages 3-1+)

3.1 Engine Electrical Appliances:

• Starting System:
  • Starter motor specifications
  • Solenoid operation
  • Battery requirements
  • Wiring diagrams
  • Troubleshooting procedures
• Charging System:
  • Alternator specifications
  • Voltage regulator settings
  • Charging circuit diagrams
  • Output testing procedures
  • Belt tension requirements
• Safety Switches:
  • Oil pressure switch operation
  • Water temperature switch function
  • Discharge air temperature switch
  • Wiring connections
  • Testing procedures
• Warning Devices:
  • Malfunction indicators
  • Warning light circuits
  • Buzzer/alarm systems
  • Diagnostic indicators

SECTION 4: TROUBLESHOOTING (Pages 4-1 to 4-13)

4.1 Repairing Procedures:

• Systematic diagnostic approach
• Problem identification methodology
• Repair decision flowcharts
• Step-by-step repair sequences
• Quality verification methods

4.2 Failures of Compressor and Engine:

• Common Compressor Problems:
  • Low air delivery
  • Excessive oil consumption
  • High discharge temperature
  • Abnormal noise
  • Vibration issues
  • Pressure fluctuations
  • Unloader malfunctions
• Engine Troubleshooting:
  • Starting difficulties
  • Rough running
  • Black smoke
  • White smoke
  • Overheating
  • Low power output
  • High fuel consumption
  • Oil pressure problems

4.3 Operation of Emergency Switch:

• Emergency shutdown procedures
• Safety system activation
• Reset procedures
• Testing emergency systems
• Compliance verification

4.4 Others:

• Miscellaneous issues
• Environmental factors
• Operational errors
• Preventive measures

4.5 Explanation of Trouble Diagnosis:

• Diagnostic chart usage
• Symptom-based diagnosis
• Cause and effect relationships
• Testing sequence
• Measurement procedures
• Root cause analysis

SECTION 5: REFERENCES (Pages 5-1 to 5-5+)

5.1 Comparison Between Consumable Parts and Electrical Appliances:

• Consumable Parts Cross-Reference:
  • Oil filters by model
  • Fuel filters by model
  • Air filters by model
  • Oil separator elements
  • V-belts and drive belts
  • Gasket kits
  • Seal kits
  • Service kits
• Electrical Components Cross-Reference:
  • Oil pressure switches (varying by serial number)
  • Temperature switches
  • Alternators by model
  • Starter motors by model
  • Relays and solenoids
  • Wiring harnesses

5.2 Engine Wiring Diagram:

• Complete electrical schematics
• Color-coded wire identification
• Connector pin-outs
• Grounding points
• Fuse locations and ratings
• Circuit protection
• Component locations
• Troubleshooting reference

KEY TECHNICAL FEATURES:

Compressor Technology: ✓ Portable diesel-powered – Mobile jobsite operation
✓ Rotary screw compression – Reliable continuous duty
✓ Oil-injected design – Efficient cooling and sealing
✓ Automatic unloader – Load/unload operation
✓ Pressure control valve – Automatic pressure regulation
✓ Auto relief valve – Safety protection
✓ Oil separator system – Clean discharge air

Engine Features: ✓ IHI Shibaura engines – Proven industrial diesel power
✓ Nissan Diesel engines – Heavy-duty reliability
✓ Air-cooled or water-cooled – Model dependent
✓ Low fuel consumption – Economical operation
✓ Wide ambient temperature range – -15°C to +35°C
✓ Multiple safety systems – Oil pressure, temperature monitoring

Who Needs This Manual:

✓ Construction Equipment Mechanics servicing portable air compressors
✓ Fleet Maintenance Technicians maintaining rental equipment
✓ Mining Maintenance Personnel repairing jobsite compressors
✓ Quarry Equipment Operators performing field service
✓ Industrial Maintenance Teams managing air compressor fleets
✓ Equipment Rental Companies servicing rental compressor inventory
✓ Contractor Equipment Managers overseeing equipment maintenance
✓ Mobile Service Technicians conducting field repairs
✓ Heavy Equipment Repair Shops servicing portable compressors
✓ Municipal Equipment Operators maintaining public works equipment

What Makes This Manual Essential:

• Official FS Curtis factory documentation – Authorized service procedures
• Nine model coverage – FAC-16B through FAC-52BC in one manual
• Dual engine manufacturer coverage – Shibaura and Nissan Diesel
• 102 comprehensive pages with technical diagrams
• Complete electrical schematics – Detailed wiring diagrams
• Piping and fuel system diagrams – Complete system schematics
• Troubleshooting charts – Symptom-based diagnosis
• Torque specifications – All critical fasteners
• Consumable parts cross-reference – Easy parts identification
• Engine adjustment values – Proper tuning specifications
• Emergency system procedures – Safety shutdown protocols

Critical Applications:

Industries Served:

• Construction sites
• Mining operations
• Quarrying and aggregate production
• Road building and paving
• Pipeline construction
• Industrial manufacturing
• Municipal maintenance
• Agricultural operations
• Rental equipment fleets
• Emergency service applications

Typical Uses:

• Pneumatic tool operation
• Sandblasting equipment
• Jackhammer power supply
• Concrete breaker operation
• Spray painting equipment
• Well drilling operations
• General industrial air supply

Maintenance Coverage Includes:

Routine Service:

• Oil and filter changes
• Air filter service
• Fuel filter replacement
• Belt tension adjustment
• Cooling system maintenance
• Battery service
• Visual inspections

Component Service:

• Regulator adjustment
• Unloader service
• Pressure control valve calibration
• Auto relief valve testing
• Oil separator replacement
• By-pass valve service
• Fuel tank cleaning

Engine Maintenance:

• Valve adjustments
• Injection timing
• Governor settings
• Electrical system service
• Cooling system maintenance
• Starting system repair

Essential portable compressor service resource! This official FS Curtis service manual is absolutely critical for anyone maintaining FAC series portable diesel air compressors. Download instantly and access factory-authorized procedures, complete electrical schematics, troubleshooting charts, and component replacement instructions. Keep your construction, mining, or industrial air compressor fleet running at peak performance with proper service procedures for both IHI Shibaura and Nissan Diesel powered units. Includes critical torque specifications, adjustment values, and parts cross-references.

Pricing Rationale:

• Official FS Curtis factory service manual (102 pages)
• Covers 9 different portable compressor models
• Dual engine manufacturer coverage (Shibaura + Nissan)
• Industrial/commercial construction equipment
• Complete electrical and piping diagrams
• Detailed troubleshooting procedures
• Target audience: equipment mechanics, fleet maintenance, contractors
• Essential for rental equipment companies and construction operations
• Professional industrial equipment service pricing
• Multiple model coverage adds significant value