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LUBRICATION

Proper Lubrication . . . the Key to long transmission life

Proper lubrication procedures are the key to a good all-around maintenance program. If the oil is not doing its job, or if the oil level is ignored, all the maintenance procedures in the world are not going to keep the transmission running or assure long transmission life.

Eaton® Fuller® Transmissions are designed so that the internal parts operate in a bath of oil circulated by the motion of gears and shafts.

Thus, all parts will be amply lubricated if these procedures are closely followed:

  • 1.

    Maintain oil level. Inspect regularly.

  • 2.

    Change oil regularly.

  • 3.

    Use the correct grade and type of oil.

  • 4.

    Buy from a reputable dealer.

Lubrication Change and Inspection

Eaton® Roadranger® CD50 Transmission Fluid HIGHWAY USE

First 3,000 to 5,000 miles (4827 to 8045 Km)

Factory fill Initial drain,

Every 10,000 miles (16090 Km)

Check fluid level. Check for leaks.

Every 250,000 miles (402336 Km)

Change transmission fluid.

OFF-HIGHWAY USE

First 30 hours

Factory fill Initial drain.

Every 40 hours Every 500 hours

Inspect fluid level, Check for leaks.

Change transmission fluid where severe dirt conditions exist.

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Every 1,000 hours

Change transmission fluid (Normal off-highway use).

Heavy Duty Engine Lubricant or Mineral Gear Lubricant

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HIGHWAY USE

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First 3,000 to 5,000 miles (4827 to 8045 Km)

Factory fill initial drain.

Every 10,000 miles (16090 Km)

Inspect lubricant level. Check for leaks.

Every 50,000 miles (80450 Km)

Change transmission lubricant.

OFF-HIGHWAY USE

First 30 hours

Change transmission lubricant on new units.

Every 40 hours Every 500 hours

Inspect lubricant level. Check for leaks,

Change transmission lubricant where severe dirt conditions exist.

Every 1,000 hours

Change transmission lubricant (Normal of highway use),

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Grade (SAE)

Fahrenheit (Celsius) Ambient Temperature

50

All

Recommended Lubricants

Type

Eaton® Roadranger® CD50 Transmission

Fluid

Heavy Duty Engine 011

MIL-L-2104B, C or D or

50

API-SF or API-CD

40

(Prewous API designations 30 acceptable)

Above 10”E(-12”C.) Above 10”F.(-12”C,) Below 1O”F,(-12”C,)

Mineral Gear Oil with rust and oxidation inhibitor API-GL-1

90 80W

Above 1O”F,(-12”C.) Below IO”F.(-12°C,)

The use of mild EP gear oil or multi-pur- pose gear oil is not recommended, but if these gear oils are used, be sure to adhere to the following limitations:

Do not use mild EP gear oil or multi-pur- pose gear oil when operating temperatures are above 230°F (110°C). Many of these gear oils, particularly 85W140, break down above 230°F and coat seals, bearings and gears with de- posits that may cause premature failures. If these deposits are observed (especially a coat- ing on seal areas causing oil leakage), change to Eaton Roadranger CD50 transmission fluid, heavy duty engine oil or mineral gear oil to assure maximum component life and to main- tain your warranty with Eaton. (Also see “Operating Temperatures”.)

Additives and friction modifiers are not recom- mended for use in Eaton Fuller transmissions.

Proper Oil Level

Make sure oil is level with filler opening. Be- cause you can reach oil with your finger does not mean oil is at proper level. One inch of oil level is about one gallon of oil.

Draining Oil

Drain transmission while oil is warm. To drain oil remove the drain plug at bottom of case. Clean the drain plug before re-installing.

Refilling

Clean case around filler plug and remove plug from side of case. Fill transmission to the level of the filler opening. If transmission has two filler openings, fill to level of both open- ings.

The exact amount of oil will depend on the transmission inclination and model. Do not over fill—this will cause oil to be forced out of the transmission,

When adding oil, types and brands of oil should not be mixed because of possible in- compatibility.

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