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OPM-108/B

LUBRICATION

Before starting the engine, check the oil level in the 

crankcase. If it is low, refill to the full mark with the proper 

weight/grade of oil as recommended by the engine 

manufacturer’s maintenance instructions. The necessity of 

using the correct oil, and keeping the crankcase full, cannot 

be over emphasized. Failure to use the proper oil and keep 

the crankcase properly filled will cause excessive engine 

wear and shorten its useful life.

Winco recommends our 5W-40 fully synthetic heavy duty 

engine oil to give you maximum cold weather protection 

while maintaining excellent performance in warmer 

weather. We have partnered with a national lubrication oil 

manufacturer to give you access to Winco private branded 

premium oil available at comparable prices to conventional 

oils. See your dealer for additional information.

INSTALLING THE BATTERY

CAUTION: 

In the following battery installation procedure, check to be 

sure the DSE 7310 MKII is in the “stop” position. This should 

be your last step before initial start-up.

These units require 4D batteries, The DR175 is a 12 volt 

system and requires a single battery and the DR250-350 

are 24 volt and require 2 batteries. The batteries should 

be rated at a minimum of 1100 CCA. Installation of the 

highest CCA rated battery, within the correct BCI group, will 

increase cold weather starting performance. Gel batteries 

should not be used with the battery tender installed in the 

generator enclosure.

Installation and servicing of batteries must only be 

preformed or supervised by personnel knowledgeable of 

batteries and the required precautions. Keep unauthorized 

personnel away from batteries.

When installing or replacing batteries, use the proper 

group/size starting battery. The battery should be a 

maintenance-free lead acid design. Deep cycle batteries will 

not work for this application.

CAUTION: PERSONAL DANGER:

NEVER dispose a battery in a fire. The battery is capable of 

exploding.

DO NOT open or mutilate the battery. Released electrolyte 

is known to be harmful to the skin and eyes and to be very 

toxic.

These engine-generator sets are all NEGATIVE ground. Be 

very careful  not to connect the battery in reverse polarity, 

as this may short circuit the battery charging system on the 

engine.

CAUTION: 

A battery presents a risk of electrical shock and high short 

circuit current. The following precautions must be observed 

when working with batteries:

  1. Remove watches, rings, and other metal objects.

  2. Use tools with insulated handles.

  3. Check both the battery cable ends and the battery 

    posts to be sure they are free of corrosion.

  4. Always connect the battery positive cable first and then 

    connect the battery negative cable. When removing 

    the battery cables from the battery, reverse the 

    procedure, disconnect the negative first and then the 

  positive 

cable.

  5. Be sure all connections are tight and coat the terminals 

    and cable ends with dialectic grease.

WARNING:

The electrolyte is diluted sulfuric acid that is harmful to the 

skin and eyes. It is electrically conductive and corrosive. The 

following precautions must always be taken.

  1. Always wear full eye protection and protective 

  clothing.

  2. Where electrolyte contacts skin, wash off immediately 

  with 

water.

  3. If electrolyte contacts the eyes, flush thoroughly and 

    immediately with water and seek immediate medical 

  attention

  4. Spilled electrolyte is to be washed down with an acid 

    neutralizing agent. A common practice is to use a 

    solution of one pound of bicarbonate of soda (baking 

    soda) to one gallon of water. The bicarbonate of soda 

    solution is to be added until the evidence of reaction 

    (foaming) has ceased. The resulting liquid is to be 

    flushed with water and the area dried.

DANGER: EXPLOSIVE FIRE RISK:

  1. Never smoke when near batteries.

  2. Do not cause a flame or spark in the battery area.

  3. Always discharge static electricity from your body 

    before touching batteries by first touching a ground 

  metal 

surface.

SERVICING BATTERIES

Batteries used on these units may, over time, lose water. 

This is  especially true if you are using a trickle charger 

to maintain your battery. Different types of batteries 

require various types of maintenance. Refer to the battery 

manufacturer for specific recommendations. 

NOTE: Always make sure that a new battery is fully charged 

before installing it on a generator set. Failure to do so 

can cause damage to the engine control module in the 

generator set.

All connections must be clean and tight. Depending on 

your battery type, check the electrolyte in the battery 

periodically to be sure it is above the plates. Never allow the 

battery to remain in a discharged condition.

Summary of Contents for DR175F4

Page 1: ...s unit it will help us to respond to your needs faster MODEL __________________________________________________ SERIAL NUMBER _________________________________________ PURCHASE DATE __________________...

Page 2: ...s loaded to its full capacity and the voltage current and frequency are carefully checked Rated output of generator is based on engineering tests of typical units and is subject to and limited by the...

Page 3: ...ion or fire Please read all safety instructions carefully before installation or use Keep these instructions handy for future reference Take special note and follow all warnings on the unit labels and...

Page 4: ...ns Fuel ASTM D 975 1D or 2D EN590 or equivalent Oil Type SEE LUBRICATION SECTION Oil Capacity 29 6 Quarts Cooling System 50 50 mix DR300F4 Generator Wattage 300 000 300 000 300 000 Volts 120 208 120 2...

Page 5: ...otal system s performance and reliability The engine generator set consists of a multi cylinder liquid cooled engine nominally operating at 1800 rpm The generator frequency regulation is maintained by...

Page 6: ...dash mark The base component of the model numbering system identifies an engine type engine starting method fuel type kilowatt rating engine manufacturer and number of generator poles Following the s...

Page 7: ...dling equipment i e a forklift CAUTION Do not attempt to lift the generator set by the means of the lifting eyes on the engine or generator end These lifting points are only for the use during the man...

Page 8: ...t of the enclosure In addition to a hot air discharge you must plan a fresh air intake opposite the radiator discharge Their fresh air inlets should be 1 to 2 times larger than the radiator face The e...

Page 9: ...ircuit the battery charging system on the engine CAUTION A battery presents a risk of electrical shock and high short circuit current The following precautions must be observed when working with batte...

Page 10: ...er The generator power feeds have already been wired into the upper lugs Please refer to the circuit breaker installed on your unit for breaker lug capacities and proper torque speci cations To select...

Page 11: ...operating switch is in the OFF position WARNING EQUIPMENT DAMAGE When installing a three phase 240 Volt system be sure you know which lead is the high voltage wild leg 208 Volt line to neutral The ge...

Page 12: ...s present the common alarm LED if configures will illuminate The LCD display will show an icon to indicate the failure WARNINGS Warnings are non critical alarm conditions and do not affect the operati...

Page 13: ...he line power should fail or be turned off the transfer switch during manual operation the load may be applied to the generator With the engine running smoothly check the no load voltage and frequency...

Page 14: ...of the cylinder block Discharge the coolant inside the engine 4 Close the drain cock and the water drain plug Refill radiator with coolant MAINTENANCE CHANGING THE OIL CAUTION PERSONAL INJURY Only cha...

Page 15: ...the fluid until only fuel comes out 4 Fully hand tighten the plug 5 Dispose of liquid in accordance to local codes DO NOT dispose or allow liquid to seep into the ground or sewer systems doing so will...

Page 16: ...the injection pump channels 4 Connect the fuel circuit to a tank containing CFB protective liquid ISO 4113 and introduce the liquid by pressurizing the circuit and driving the engine for approx 2 min...

Page 17: ...fective fuel solenoid Defective engine harness Improper battery voltage to fuel pump or fuel solenoid Engine starts then stops and alarm light comes on Engine oil pressure is low Engine has high water...

Page 18: ...he red Light Emitting Diode LED is illuminated refer to the Under Frequency Roll Off UFRO adjustment 7 Carefully turn VOLTS control clockwise until rated voltage is reached 8 If instability is present...

Page 19: ...N THHW THW 2 XHH XHHW XHHW 2 ZW 2 SIZE AWG OR KCMIL Wire Type RHW THHW THW THWN XHHW USE Wire Type TBS SA SIS THHN THW 2 THWN 2 RHH RHW 2 USE 2 XHH XHHW XHHW 2 ZW 2 44 57 75 88 101 114 132 154 176 202...

Page 20: ...20 OPM 108 B ENGINE HARNESS SCHEMATIC DR175F4...

Page 21: ...21 OPM 108 B ENGINE HARNESS SCHEMATIC DR250F4...

Page 22: ...8 2 2 9 4958 36 9 8 89 9 8 77 77 67 57 1 6723 6723 6 5 1 5 7 50 1 2 6 211 725 211 725 66 86 86 86 86 86 36 4 25 46 53354 6 5 1 1 6 5 1 1 1 1 1 36 32 5 6 7 66 0 5 1 6723 6 7 9 5 92 7 8670 17 5 267 7 9...

Page 23: ...EE PHASE AC WIRING HIGH AND LOW WYE THREE PHASE LOW WYE 120 208 VOLTS THREE PHASE HIGH WYE 277 480 VOLTS THREE PHASE HIGH WYE 277 480V THREE PHASE LOW WYE 120 208V THREE PHASE DELTA 120 240 VOLTS THRE...

Page 24: ...omponent of the product that is no longer manufactured or available Additionally WINCO Inc will not be liable for any engine replacement that may require an emissions tier level change THERE ARE NO EX...

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