CG938H Wheel Loader. Manual - part 28

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V    Use Rule of Fuel

 

5.1 Precautions on Use of Fuel 

z  Upon completion of work every day, 

as the fuel is added, the wet air shall 

be discharged so as to avoid 

condensation. 

z  Do not top off the fuel tank because 

the fuel possibly expands and 

overflows as the temperature 

increases. 

z  Prior to installing the fuel filter, the 

fuel shall not be added into the fuel box. The fuel with foreign substances will accelerate 

the wear of the fuel system’s parts.   

z  The fuel to be added shall be settled for 72 hours to ensure its cleanness. 

z  After beginning to add or filling the fuel into the fuel box, retention time of 5-10 minutes 

is allowed to discharge the water and precipitate from the fuel box. 

Upon the replacement of the fuel filter, the air shall be discharged from the system. 

z  Prior to filling up the fuel box, the water and precipitate in the fuel box shall be 

discharged weekly to prevent that the water and precipitate access into the fuel system. 

z  Only the fuel recommended in this section can be used. 

5.2 Category of Fuel   

In order to offer optimal performance and service life of the engine, the fuel engine for 

the CCG958G loader allows the use of distilled fuel, i.e. diesel fuel, fuel oil and gas oil.   

In order to offer optimal performance and service life of the engine, the fuel engine for 

the CCG958H loader allows the use of distilled fuel, i.e. diesel fuel, fuel oil and gas oil. The 

fuel used shall be the light diesel fuel for high-speed diesel engine, which conforms to the 

state standard GB252-94. If it is used at abroad, the diesel fuel also adopts the NO.1and 

NO.2 diesel fuel conforming to the USA standard ASTMD975. 

Selection of diesel: 

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Solidifying 

point of fuel ℃ 

10 0  -10 -20  -30 -40 

Ambient 
temperature  
℃

 

〉

18 8～18 -2～8 -12～-2 

-27-12 

-37～-27 

See the operating specification of engine for details. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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VI Use Rule of Operation Oil 

Materials on Operation Oil 

Some abbreviations shall be subject to the terms of SAE J754, and others shall be 

subject to the ones of SAE J183 by levels. In the table of “Density of Operation Oil”, the 

recommended working density is available. 

6.1 Diesel Engine Oil 

Please use the following recommended diesel engine oil: API CD/SD, CD/SE, CD/SF, 

CD/SG or CD. 

z  The percentage of sulfur in fuel will affect the use of the diesel. For the effect of the sulfur 

content in fuel, the remaining and ingredients of the engine oil may be evaluated with 

infrared analysis method and ASTM D2896 procedures. The production of sulfide 

depends on the sulfur content in fuel, recipe of lubricant, working conditions of engine 

and ambient temperature etc. 

z  It is a common rule that the TBN of the diesel oil is 20 times of sulfur content in fuel. It 

may be modified by analyzing the oil employed. The effect of recipe of the lubricant 

depends on the ingredient of the additive. The balanced additive mixture of low TBN has 

the effects same as the additive mixture of high TBN. Based on the analysis on the oil 

employed, these results may be attained. 

Going against the suggestions above may shorten the service life of engine due to 

carbon precipitate or excessive wear. 

Selection of engine oil: The engine oil CF above shall be adopted. 

Viscosity 

10W  5W/30  10W/30 15W/30 15W/40 

Ambient 

temperature ℃ 

-20～-5 -25～25 -20～20 -10～25 -10～35 

Viscosity 20W/40 

30 40 

   

Ambient 

temperature ℃ 

-10～30 5～30 

>25  

 

This machine adopts SAE 15W-40 Mobil Delvac Super 1300. 

 

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6．2 Hydraulic System Oil 

 

 

 

 

 

z  The hydraulic oil employed may enable the components and hydraulic transmission parts 

of the hydraulic system to attain a longer service life and optimal working performance. 

In most hydraulic systems, the following recommended hydraulic oil shall be used: API 

CC, CC/SF, CD/SF, CD/SG, CD, CE/SF, CE/SG or CE. 

z  In case the oil of different viscosity is required due to extremely bad ambient temperature, 

the engine oil recommended by the SICHUAN CHENGDU CHENGGONG 

CONSTRUCTION MACHINERY CO., LTD. may be used. 

z  The industrial hydraulic oil that is applied to large load and has anticorrosion, anti-bubble, 

antirust and anti-oxidation additives may be used. 

z  This machine adopts Mobil DTE25-antiwear hydraulic oil. 

6.3 Transmission Fluid 

z  Using the oil recommended by the SICHUAN CHENGDU CHENGGONG 

CONSTRUCTION MACHINERY CO., LTD. may enable the transmission box to attain a 

longer service life and optimal performance. The oil for transmission box/transmission 

system oil recommended by the SICHUAN CHENGDU CHENGGONG 

CONSTRUCTION MACHINERY CO., LTD. is the one in conformity with the API 

CD/TO-2 code. 

z  Going against the suggestions above will possibly shorten the service life of the 

transmission box due to insufficient performance of materials and inconformity of friction 

materials with the friction requirements. 

z  Mixture of oil of various levels shall not be used for the transmission box. The oil mixture 

of various levels uses high moleclar polymer as improver of viscosity index. Because of