Powerful Solutions Whatever the job, Doosan Portable Power has the solution to fit your needs. From industry-leading air compressors, generators and light towers to our unrivaled customer service and support. Doosan Portable Power provides reliable equipment that is built to last, easy to operate and service, and performs on demand to move your business forward by maximizing uptime, increasing productivity and delivering a solid return on your investment.

• Sullivan Air Compressors
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• Doosan Air Compressors For Sale

Doosan Portable Power – delivering powerful solutions for over 100 years. Doosan Portable Power P185WDOU Air Compressor Doosan Infracore Portable Power is pleased to announce the launch of the new tier four final P185WDOU Utility portable air compressor. Powered with a Doosan D24, 49 HP diesel engine, the P185WDOU maintains the same quality and unparalleled serviceability of the aT4i model.

Sullivan Air Compressors

The EPA compliant unit also features a maintenance free after-treatment solution. The P185WDOU is designed for above deck installation and is able to be packaged with an assortment of options to meet your needs. This unit also showcases a new thermostatically controlled electric cooling fan design that saves on fuel consumption and lowers emissions while providing the power and productivity you expect from Doosan Portable Power.

. 7/26E, 7/31E, 7/41, 7/51 OPERATION AND MAINTENANCE MANUAL Original Instruction 7/26E SERIAL No: 107000 − This manual contains important safety information 7/31E SERIAL No: 318000 − and must be made available to personnel who operate and − 7/41. Machine models represented in this manual may be used in various locations world−wide. Machines sold and shipped into European Union Territories require that the machine display the CE Mark and conform to various directives. In such cases, the design specification of this machine has been certified as complying with EC directives. Any modification to any part is absolutely prohibited and would result in the CE Certification and marking being rendered invalid. CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.

Slovak Slovenian MACHINE SYSTEMS Swedish Electrical system Chinese Piping & instrumentation system FAULT FINDING OPTIONS Lubricator. General Information. Operating Instructions. Fault Finding.

General Information. Operating Instructions. Fault Finding. ENGINE INSTRUCTION MANUAL 7/26E, 7/31E, 7/41, 7/51. The use of the machine in any of the situation types listed in table 1:− a) Is not approved by Ingersoll−Rand, b) May impair the safety of users and other persons, and c) May prejudice any claims made against Ingersoll−Rand.

7/26E, 7/31E, 7/41, 7/51. WARRANTIES EXPRESSED OR IMPLIED, (EXCEPT THAT OF Ingersoll−Rand Engines − The earlier of twenty−four (24) TITLE), THERE WARRANTIES MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR months from shipment to or the accumulation of 4,000 hours of PURPOSE. Operation by the initial user. 7/26E, 7/31E, 7/41, 7/51. EXTENDED WARRANTY ON MAJOR COMPONENTS PROVIDED VIA ENGINE SUPPLIER’S OWN APPROVED NETWORK AT TIME OF PURCHASE. INGERSOLL−RAND 4,000 EXTENDED WARRANTY OF 60 MONTHS / 10,000 HRS. WHEN USING GENUINE INGERSOLL−RAND FLUIDS AND PARTS ON MAJOR COMPONENTS.

7/26E, 7/31E, 7/41, 7/51. MONTHS HOURS COMMENTS OPTIONAL 36 MONTHS EXTENDED WARRANTY CONSTRUCTION TOOLS AVAILABLE FROM IR. ALL WARRANTY COVERS PARTS ONLY REPLACEMENT.

NOTE: Actual warranty times may change. Consult the Manufacturer’s warranty policy as shipped with each new product. 7/26E, 7/31E, 7/41, 7/51. XHP505 Compressor Fluids are available from your local Ingersoll−Rand branch or distributor. For units operating within the USA & Canada, call the Statesville Product Support Department on 1−800−633−5206 XHP650/900/1070/1170 will continue to use XHP505 and will have the extended warranty when above conditions are met. 7/26E, 7/31E, 7/41, 7/51. Caterpillar, Cummins and Perkins do not require a separate registration form but they stipulate that any new engine should be registered with their local dealer to initiate warranty.

Sullair Air Compressors

You MUST provide proof of the “in−service” date when requesting engine warranty repairs. 7/26E, 7/31E, 7/41, 7/51. Separate engine registration material is included with this literature package for John Deere powered machines. All other engine manufacturers do not require a separate engine registration.

You MUST present proof of in−service date at time of requesting engine warranty service. 7/26E, 7/31E, 7/41, 7/51. Engine Serial Number: Engine Model Number: Post / Zip Code: Airend Serial Number: Country: Alternator Serial Number: Phone Number: Date of start up: Fax Number: e−mail: 7/26E, 7/31E, 7/41, 7/51.

WARNING − Before connecting the tow bar WARNING − For operating temperature (Refer to the GENERAL INFORMATION or commencing to tow consult the below 0C, consult the operation and section of this manual). Operation and maintenance manual. Maintenance manual. 7/26E, 7/31E, 7/41, 7/51.

Do not open the service valve before the Do not exceed the trailer speed limit. No naked lights. Airhose is attached.

Use fork lift truck from this side only. Emergency stop. Tie down point 7/26E, 7/31E, 7/41, 7/51.

When parking use prop stand, handbrake and Compressor oil filling before operation or maintenance of this wheel chocks. Machine is undertaken. Diesel fuel Rough Service Designation. Parking brake. No open flame. Wet Location Operation.

Replace any cracked protective shield. 7/26E, 7/31E, 7/41, 7/51. Do not breathe this air. WARNING WARNING Rotating Fan Blade. Hot pressurized fluid.

CAN cause serious injury. Can cause serious burns. Do NOT operate with guard Do not open radiator while removed.

7/26E, 7/31E, 7/41, 7/51. High pressure air. Can cause serious injury or death. Relieve pressure before removing filler plugs/ Door under pressure CAN cause serious caps, fittings or covers.

Use both hands to open door when machine is running. 7/26E, 7/31E, 7/41, 7/51. Safety Decals to the Doosan Portable Power EMEA Aftermarket Department. The no charge order should contain only Safety Decals. Help promote product safety!

Assure that decals are present on the machines. Replace decals that are not readable. 7/26E, 7/31E, 7/41, 7/51.

Ingersoll−Rand Company reserves the right to make changes or add improvements without notice and without incurring any obligation to make such changes or add such improvements to products sold previously. The Purchaser is urged to include the above provisions in any agreement for any resale of this compressor. 7/26E, 7/31E, 7/41, 7/51. Federal Standards are covered by this warranty for the life of the air compressor. 7/26E, 7/31E, 7/41, 7/51. ACOUSTIC MATERIALS DAILY FASTENERS 100 HOURS ENCLOSURE PANELS 100 HOURS AIR INTAKE & ENGINE EXHAUST 100 HOURS COOLING SYSTEMS 250 HOURS ISOLATION MOUNTS 250 HOURS ENGINE OPERATION SEE OPERATOR’S MANUAL FUELS & LUBRICANTS SEE OPERATOR’S MANUAL 7/26E, 7/31E, 7/41, 7/51.

Doors, access panels, and hatch closures especially, should be checked and adjusted at this time to insure continuous sealing between gasket or acoustic material and the mating frame. 7/26E, 7/31E, 7/41, 7/51. MAINTENANCE RECORD FOR NOISE EMISSION CONTROL AND EXTENDED WARRANTY MAINTENANCE RECORD FOR NOISE EMISSION CONTROL AND EXTENDED WARRANTY ITEM NO. DESCRIPTION OF WORK OR HOURMETER MAINT/INSPECT LOCATION WORK DONE BY COMMENTS READING DATE CITY/STATE (NAME) 7/26E, 7/31E, 7/41, 7/51. Use care to avoid contacting hot surfaces (engine exhaust manifold and piping, air receiver and air discharge piping, etc.). 7/26E, 7/31E, 7/41, 7/51.

Avoid contact with skin, eyes and generator set and/or interconnecting cables or conductors with any clothing. In case of contact, flush area immediately with water. Part of the body or with any non−insulated conductive object. 7/26E, 7/31E, 7/41, 7/51. 7/26E, 7/31E, 7/41, 7/51. GENERAL INFORMATION 7/26E, 7/31E VARIABLE HEIGHT RUNNING GEAR Unbraked version (Knott) 7/26E, 7/31E VARIABLE HEIGHT RUNNING GEAR Braked version (Knott) 7/26E, 7/31E, 7/41, 7/51. GENERAL INFORMATION 7/26E 7/31E FIXED HEIGHT RUNNING GEAR Unbraked version (Knott) 7/26E, 7/31E FIXED HEIGHT RUNNING GEAR Braked version (Knott) 7/26E, 7/31E, 7/41, 7/51.

GENERAL INFORMATION 7/41 FIXED HEIGHT RUNNING GEAR Braked version (Knott) 7/41 VARIABLE HEIGHT RUNNING GEAR Braked version (Knott) 7/26E, 7/31E, 7/41, 7/51. GENERAL INFORMATION 7/51 FIXED HEIGHT RUNNING GEAR Braked version (Knott) 7/51 VARIABLE HEIGHT RUNNING GEAR Braked version (Knott) 7/26E, 7/31E, 7/41, 7/51.

Ingersoll−Rand oil filters installed. When this has been completed, the following oils are approved: a) for ambient temperatures above −23C(−9F), SAE 10W, API CF−4/CG−4 b) for ambient temperatures below −23C(−9F), I−R Performance 500 only. 7/26E, 7/31E, 7/41, 7/51. 745 kg (1640lbs) WHEELS AND TYRES (KNOTT) Maximum horizontal towing force. 7,12 kN (1600 lbs) Number of wheels. 2 x 4 7/26E, 7/31E, 7/41, 7/51 Maximum vertical coupling load (nose weight).

74,5 kg (165 lbs) Tyre size. 155 R13 7/26E, 7/31E, 7/41, 7/51 FIXED HEIGHT RUNNING GEAR Tyre pressure. (where fitted). WARNING: If flexible discharge hoses are to carry more than 7 bar pressure then it is recommended that safety retaining wires are Ensure that all transport and packing materials are discarded. Used on the hoses. 7/26E, 7/31E, 7/41, 7/51.

45 and a sulphur content not greater than 0,5%. CAUTION: When refueling:− switch off the engine. Do not smoke. Extinguish all naked lights. Do not allow the fuel to come into contact with hot surfaces.

Wear personal protective equipment. 7/26E, 7/31E, 7/41, 7/51. PUSH AFTER WARM UP − WHEN FITTED 7/26E, 7/31E, 7/41, 7/51 − Optional At temperatures below 0C or if there is difficulty starting first time: NOTE: In order to allow the machine to start at a reduced load, a valve, which is operated by a button located on the instrument panel, is Open the service valve fully, with no hose connected. In the event that the unit has to be stopped in an emergency, TURN Do not dispose of a complete machine without documentation THE KEY SWITCH LOCATED ON THE INSTRUMENT PANEL TO relating to instructions for its use. THE 0 (OFF) POSITION. 7/26E, 7/31E, 7/41, 7/51.

(2) or as defined by local or national legislation =Replace = Check (adjust, clean or replace as necessary) = Test =check before towing. =or when indicated if earlier. = Check and report Refer to specific sections of the operator’s manual for more information. 7/26E, 7/31E, 7/41, 7/51. (2) or as defined by local or national legislation =Replace = Check (adjust, clean or replace as necessary) = Test =check before towing. =or when indicated if earlier.

= Check and report Refer to specific sections of the operator’s manual for more information. 7/26E, 7/31E, 7/41, 7/51. (2) or as defined by local or national legislation =Replace = Check (adjust, clean or replace as necessary) = Test =check before towing. =or when indicated if earlier. = Check and report Refer to specific sections of the operator’s manual for more information. 7/26E, 7/31E, 7/41, 7/51. NOTE: Do not press the load button.

The work carried out is limited to only those tasks which require the Disconnect each switch in turn. The machine should shutdown. Machine to run. Re−connect the switch.

7/26E, 7/31E, 7/41, 7/51. Thoroughly clean the orifice/drop tube and filter gasket contact area discharge air. Before reassembly.

Install the new element. COMPRESSOR OIL FILTER For 7/26E and 7/31E models replace element o−ring in every reassembly. Refer to the MAINTENANCE CHART in this section for the recommended servicing intervals. Check for cracks, holes or any other damage to the element by holding it up to a light source, or by passing a lamp inside. Check the seal at the end of the element and replace if any sign of damage is evident. 7/26E, 7/31E, 7/41, 7/51.

Jack up the machine when operating must never touch the axle tube. Never adjust the brakes at the brake linkage 7. Disengage the handbrake lever 1.

Fully extend the draw bar 2 on the overrun braking system. 7/26E, 7/31E, 7/41, 7/51.

Check the play in the brake linkage 7 If necessary adjust the brake linkage 7 again without play and without pre−tensioning There must still be a little play in cable 5 (Variable Height Only) 7/26E, 7/31E, 7/41, 7/51. Wheel bearings should be packed with grease every 6 months. The NOTE: If the machine has been operating under adverse conditions, type of grease used should conform to specification MIL−G−10924.

Or has suffered long shutdown periods, then more frequent service intervals will be required. 7/26E, 7/31E, 7/41, 7/51. Inspect the throttle arm on the engine governor to see that it is extended in the full speed position when the engine is running at full−load speed and the service valve is fully open.

(Refer to the GENERAL INFORMATION section of this manual). 7/26E, 7/31E, 7/41, 7/51. Separator tank cover 40−50 54−68 Euro−Loc adaptor to separator tank 58−67 78−91 Separator tank to frame 18−22 24−30 Exhaust flange to manifold 17−21 23−28 Service pipe (−20jic) 106−133 143−180 Sight glass 40−50 54−68 Wheel nuts 62−70 85−95 7/26E, 7/31E, 7/41, 7/51. IR representative. Recommended Fluid 3.8 Litre 19.0 Litre 208.2 Litre IR Pro−Tect 368974 IR XHP 58 35365170 IR Performance 58 3532944 IR XHP108 35300516 7/26E, 7/31E, 7/41, 7/51.

ELECTRICAL SYSTEM 7/26E, 7/31E, 7/41, 7/51. ELECTRICAL SYSTEM 7/26E, 7/31E, 7/41, 7/51. Switch, generator (Option) Switch, low fuel (Option) Connector, minicontroller Connector, minicontroller (Option) LED 1 High air temperature, airend LED 2 High water temperature, engine LED 3 Low oil pressure, engine LED 4 Low fuel LED 5 No charge 7/26E, 7/31E, 7/41, 7/51.

ELECTRICAL SYSTEM 7/26E, 7/31E, 7/41, 7/51. Relay, air heater Relay, fuel solenoid Key−switch Solenoid, fuel Solenoid, load / unload (Option) High air temperature switch (airend) High air temperature switch (discharge) (Option) High water temperature switch (engine) Link Timer Safety unit Fuel pump 7/26E, 7/31E, 7/41, 7/51.

ELECTRICAL SYSTEM 7/26E, 7/31E, 7/41, 7/51. Relay, start inhibit (24V) Relay, glowplug Relay, fuel solenoid Key−switch Solenoid, fuel Solenoid, load / unload (Option) High air temperature switch (airend) High air temperature switch (discharge) (Option) High water temperature switch (engine) Link Timer Fuel pump 7/26E, 7/31E, 7/41, 7/51. ELECTRICAL SYSTEM SCHEMATIC DIAGRAM FOR EUROPEAN CE LIGHTING SYSTEM Plug Black Light (right hand) Green Fog light Pink Light (left hand) Brown Orange Purple Grey Blue White Yellow 7/26E, 7/31E, 7/41, 7/51. Stop / turn (left hand) Black Tail (left hand) Green Stop / turn (right hand) Pink Tail (right hand) Brown Front side marker (left hand) Orange Front side marker (right hand) Purple Ground / earth Grey Blue White Yellow 7/26E, 7/31E, 7/41, 7/51. PIPING AND INSTRUMENTATION SYSTEM Air discharge Oil cooler Sonic orifice (restricts flow) Oil filter Pressure gauge Thermostatic valve (Where fitted) Separator tank Safety valve Compressor Engine Air/oil 7/26E, 7/31E, 7/41, 7/51.

Check the scavenge line, drop tube regulator present in scavenge line. Clean and replace. Perforated Replace the separator element. Discharge separator air. Pressure in Check the minimum pressure valve the system is or sonic orifice. 7/26E, 7/31E, 7/41, 7/51. Replace the solenoid.

Check the valve. Replace the safety valve if faulty. To load when solenoid. Electrical circuit by feeling for DO NOT ATTEMPT A REPAIR.

The load movement whilst depressing the button is load button. 7/26E, 7/31E, 7/41, 7/51. MAINTENANCE Check the lubricator oil level and replenish as necessary. FAULT FINDING FAULT CAUSE REMEDY No oil flow. Incorrect Reverse nylon tube connection. Connections to the lubricator. 7/26E, 7/31E, 7/41, 7/51.

Any warnings necessary have been suitably displayed (where applicable). CAUTION: Do not start or stop the machine with the compressor/generator mode switch in the Generator position. Ensure compressor / generator mode switch is set to compressor. 7/26E, 7/31E, 7/41, 7/51. CAUTION: To ensure an adequate flow of oil to the compressor at low Turn the start switch to the 0 (off) position. Temperature, never allow the discharge pressure to fall below 3,5 bar. 7/26E, 7/31E, 7/41, 7/51.

30 milliamperes on the controlled. Connected appliance or in the connections to the generator. Ensure all earth connections are secure and regularly maintained.

For alternator maintenance refer to Mecc Alte operation and maintenance manual. 7/26E, 7/31E, 7/41, 7/51. (Refer to output.

Section 4 General Information). Drive belt is Re−tension the drive belt. Not tensioned correctly. Drive pulley is Check the drive pulley and tighten loose on the as required. 7/26E, 7/31E, 7/41, 7/51. Electrical Power Schematic Diagram. 115V 1 − phase.

Circuit breaker Switch, start Socket outlet 32A Socket outlet 16A Circuit breaker Socket outlet 16A Valve, solenoid Circuit breaker Voltmeter Fuse Voltmeter Circuit breaker Fuse Voltmeter Alternator Contactor Pushbutton Resistor 7/26E, 7/31E, 7/41, 7/51. Electrical Power Schematic Diagram.

230V 1 − phase. Circuit breaker Switch, start Socket outlet 32A Socket outlet 16A Circuit breaker Socket outlet 16A Valve, solenoid Circuit breaker Voltmeter Fuse Voltmeter Alternator Fuse Contactor Voltmeter Pushbutton Resistor 7/26E, 7/31E, 7/41, 7/51.

Electrical Power Schematic Diagram. 400/230V 3 − phase.

Circuit breaker Switch, start Socket outlet 16A Socket outlet 16A Circuit breaker Socket outlet 16A Valve, solenoid Circuit breaker Voltmeter Fuse Voltmeter Alternator Fuse Contactor Voltmeter Pushbutton Resistor Resistor 7/26E, 7/31E, 7/41, 7/51. Coolant OPERATION Check before operation Check and operation after start− up Operation and care of a new engine MAINTENANCE SCHEDULE PERIODICAL INSPECTION AND MAINTENANCE Lubricating system Cooling system Fuel system Air intake system Routine maintenance TROUBLESHOOTING 7/26E, 7/31E, 7/41, 7/51.

INGERSOLL−RAND reserves the right to make changes in this Manual at any time without prior notice. This manual covers both 3 and 4 cylinder naturally aspirated engines. The pictures contained within are for guidance only and might not reflect the physical characteristics of each individual engine covered 7/26E, 7/31E, 7/41, 7/51.

Drain plug (engine oil) 20.Flywheel 8. Fuel injection pump 21.Flywheel housing 9. Engine oil cooler (4IRH8N) 22.Starter motor 10.Engine oil filter 23.Exhaust manifold 11.Dipstick (engine oil) 24.Alternator 12.Governor lever 25.Rocker arm cover 13.Intake manifold 26.Filler port (engine oil) 7/26E, 7/31E, 7/41, 7/51. Please ensure that only genuine Ingersoll−Rand parts, lubricants and CAUTION: Conduct confirmation of engine serial number with the fluids are used for service and/or repair. Engine stopped.

To avoid being injured, do not check it, while the engine is still hot. 7/26E, 7/31E, 7/41, 7/51. Please ensure that only genuine Ingersoll−Rand parts, lubricants and CAUTION: Conduct confirmation of engine serial number with the fluids are used for service and/or repair. Engine stopped. To avoid being injured, do not check it, while the engine is still hot.

7/26E, 7/31E, 7/41, 7/51. Please ensure that only genuine Ingersoll−Rand parts, lubricants and CAUTION: Conduct confirmation of engine serial number with the fluids are used for service and/or repair. Engine stopped. To avoid being injured, do not check it, while the engine is still hot.

7/26E, 7/31E, 7/41, 7/51. Please ensure that only genuine Ingersoll−Rand parts, lubricants and CAUTION: Conduct confirmation of engine serial number with the fluids are used for service and/or repair. Engine stopped. To avoid being injured, do not check it, while the engine is still hot. 7/26E, 7/31E, 7/41, 7/51. Engine family name as assigned by EPA and ARB identifying engine family group 3YDXL1.33M3N and this identifies 3 YDX L 1.33 M 3 N Method of air aspiration Number of cylinders Engine speed specifications3.:2003 Displacement (liter)4:2004 Non road / Off−road engine5:2005 Yanmar Diesel.2003 Model year 7/26E, 7/31E, 7/41, 7/51. EMISSION CONTROL LABEL 4IRL5N EC EMISSION CONTROL LABEL: ENGINE LABEL Emission control label is attached on the “top of the rocker arm cover” The following is the detail of a label required for engine emission control information, along with location.

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(97/68/EC Directive label) S Label location: A. Any fuel containing dust particles or water might cause engine failure. Therefore, the following must be observed.

Take care to protect the fuel from ingress of dust particles or water when filling the fuel tank. 7/26E, 7/31E, 7/41, 7/51. Replace the cooling water every once a year CAUTION: When handling Long Life Coolant Antifreeze, wear protective rubber gloves not to contact with it.

If contact with the eyes or skin should occur, wash with clean water 7/26E, 7/31E, 7/41, 7/51. Add coolant mixed to the correct ratio: 50/50 ethylene glycol/water. Upper limit Radiator Cap Condition E. Lower limit After the replenishment of the coolant, install the radiator filler cap. Make sure the cap is securely installed. Dipstick 7/26E, 7/31E, 7/41, 7/51.

When disconnecting the terminals, start with “−” terminal. When connecting them, connect the “−” terminal last. Fuel level Check the remaining fuel oil level in the fuel tank and re−fuel if necessary. 7/26E, 7/31E, 7/41, 7/51. S Do not drain the cooling water S Clean dust or oil from the engine extension S Either fill completely or drain the fuel tank S Grease accelerator joints and electrical connections S Disconnect the negative battery terminal 7/26E, 7/31E, 7/41, 7/51. Check Fuel Valve Nozzle and clean Adjust, cleaning and repair of fuel injection Pump and fuel valve nozzle 1500 hours of use and at 1500−hour intervals 3000 hours of use and at 3000−hour intervals kW x 130 thereafter thereafter 7/26E, 7/31E, 7/41, 7/51. 9) Stop the engine after warming up and leave it stopping for about 10 minute to recheck the engine oil level with dipstick and replenish the engine oil.

If any oil is spilled, wipe it away with a clean cloth. Engine oil filter B. Tighten 7/26E, 7/31E, 7/41, 7/51.

CAUTION: S “New, V−belt” refers to a V−belt which has been used less than 5 To help avoid being injured, check and adjust the fan belt tension with minutes on a running engine. Engine stopped. 7/26E, 7/31E, 7/41, 7/51. Governor Control Seals As the governor is precisely adjusted, most of the controls are sealed, (1) Draining of the fuel tank (NOT 7/26E, 7/31E) please do not break them. Should any adjustment be necessary, 1) Prepare a waste oil container.

Upper limit A. Radiator fins C.

Air blow IMPORTANT: Never use high pressure water or air from close by fins or never attempt to clean using a wire brush. Radiator fins can be damaged.

7/26E, 7/31E, 7/41, 7/51. Check and adjust the cooling fan V−belt tension every 250 hours Discard the old element into a suitable container.

Operation from 2nd time and on. See “inspection after initial 50 hours” section (2) Inspection every 500 hours operation (1) Replacing the air cleaner element 7/26E, 7/31E, 7/41, 7/51. Ingersoll−Rand dealer. Checking and adjusting the EPA emission related parts. The inspection and servicing require specialized knowledge and techniques. Consult your Ingersoll−Rand dealer or distributor.

EPA allows to apply maintenance schedule for emission related parts as follow. 7/26E, 7/31E, 7/41, 7/51. Change element at 500 hrs or sooner if the restriction indicator shows red. Replacement Cylinder compression Consult your Ingersoll−Rand dealer or distributor pressure Valve clearance check Check and adjust every 1000 hours. Consult your Ingersoll−Rand dealer or distributor 7/26E, 7/31E, 7/41, 7/51. Faulty air heater. Fuel is injected but engine does not Incorrect injection timing.

Cylinder compression pressure. Engine stop solenoid not fully returned. Engine fires but stalls immediately.

Air in the fuel system. Incorrect low idle speed adjustment. 7/26E, 7/31E, 7/41, 7/51. Restricted coolant flow (high concentration of antifreeze, etc.) Low oil pressure Lack of oil Oil leakage High oil consumption Wrong oil Wrong type and viscosity. High coolant temperature.

Clogged filter and strainer. Worn bearings and oil pump. Faulty relief valve.

7/26E, 7/31E, 7/41, 7/51. Damaged seal / Damaged turbocharger seal Oil leakage Loose joints/gaskets. Improper installation of filter and piping. Fuel leakage Damaged seals. Excessive fuel consumption Improper component installation or tightening. Excessive injection volume.

Injection pump defective. Excessive mechanical loads 7/26E, 7/31E, 7/41, 7/51.

Faulty turbocharger Battery over discharge Low electrolyte level Crack in battery body. Natural consumption. Charging failure Loose or damaged belt. Faulty alternator.

Damaged wiring or contact failure. Excessive electrical loads Insufficient battery capacity for the application. 7/26E, 7/31E, 7/41, 7/51.