CG958H Wheel Loader. Manual - part 30

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VII    Viscosity and Full Capacity of Operation Oil

 

7.1 Viscosity and Temperature Range of Operation Oil   

Specification and No. 

Type 

The brand number added as the 

product that has an export 

destination to a non-low temperature 

area 

The brand number added as the 

product that has an export 

destination to a low temperature 

area 

Oil for torque converter 

and transmission box 

SAE 15W-40 Mobil Delvac Super 

1300 

  Mobil Delvac MX 15W-40 

Axle lubricant 

HD80W-90(Mobilube HD 80W-90)

Same as left column 

Hydraulic oil 

Hydraulic oil 

(Mobil DTE 25) 

Hydraulic oil 

(Mobil DTE 15M) 

Common axle 

DOT 3 Mobil Super Heavy Brake 

Fluid 

Same as left column 

Air-pushing 

oil brake 

Hydraulic oil (Mobil Delvac 

Hydraulic 10W) 

Same as left column 

Br

ak

e 

oil 

W

et 

axl

e 

Hydraulic 

brake 

/ / 

Engine oil   

0# light diesel fuel 

-20# light diesel fuel 

Grease 

NLGI 2 lithium-based (Mobilgrease 

HP 222) 

Same as left column 

Engine oil 

SAE 15W-40 Mobil Delvac Super 

1300 

  Mobil Delvac MX 15W-40 

 Anti-icing fluid 

Mobil Antifreeze 

(Clear water 40%+antifreeze 60%) 

Mobil Antifreeze 

(Clear water 20%+antifreeze 

80%) 

7.2 Full Capacity of System   

Full Capacity (approximation) 

Oil box or system 

Liter   

Cooling system 

33 

Fuel box 

240 

Engine oil 

13-15 

Transmission fluid 

45 

Differential gear and final 

transmission fluid (single unit) 

40 

Hydraulic  tank 

110 

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VIII S.O.S 

S.O.S method is adopted to examine the conditions of the machine and whether the 

machine requires to be maintained. As each kind of oil is sampled, the lubricant shall be heated 

and mixed evenly so as to ensure that the sample oil has representativeness. 

8.1 Acquisition of Sample Oil for S.O.S 

In order to realize the good preventive maintenance scheme, we suggest adopting the 

S.O.S method to examine the conditions of the machine and whether the machine requires to be 

maintained. As each kind of oil is sampled, the lubricant shall be heated and mixed evenly so as 

to ensure that the sample oil has representativeness. 

For acquisition of sample oil for S.O.S, several methods are available. 

z 

Insert sample oil doper into the oil groove. 

z 

Use sample oil valve. 

z 

Use discharged oil as the oil is replaced. 

Note: We suggest adopting the first or second method. If two methods do not work, the 

discharge oil may be used. 

As the discharged oil is adopted as the sample oil, the oil cannot be sampled from the oil 

discharged firstly or lastly because it is not mixed evenly and has no representativeness. 

8.2 S.O.S (Regular Sample Oil) Analysis 

The regular sample oil analysis is composed of three basic tests: 

z 

Wear element analysis. 

z 

Chemical and physical tests. 

z 

Oil status analysis. 

The wear element analysis adopts spectrophotometric method to examine the wear degree 

of components by measuring the concentration of the wear mental elements in the sample oil 

(unit: number of particles per one million). If the test results deviate from the concentration 

range of normal wear, we may confirm that the part will be disabled soon. 

By the chemical and physical tests, the proportion of water, fuel, and antifreezing agent in 

the lubricant may be examined. 

The oil status analysis adopts infrared analysis method to determine whether the lubricant 

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has smoke and dust, sulfide, oxide and nitride and measure their amount. The infrared analysis 

may help us work out the replacement cycle of the lubricant under special working conditions. 

The infrared analysis method shall be conducted simultaneously with the wear element 

analysis method and chemical and physical tests so as to ensure the correct evaluation. 

S.O.S Cyclogram 

Oil box 

Engine oil 

Hydraulic 

oil 

Differential  

/Final drive oil 

Transmiss

ion fluid 

Time interval  250h 

500h 

500h 

500h 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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IX  

Maintenance Interval 

9.1 Upon Request 

Prior to carrying out any operation and maintenance, the warnings and annotations in 

this manual’s safety chapter shall be read and understood. 

Please refer to the instructions for use and maintenance of the engine for cleaning of air 

intake system. 

Repairing of filtering element 

Caution 

In repairing of air filter, the engine shall be turned 

off to avoid damage.   

Please repair the air filter according to the instructions 

for use and maintenance of fuel engine. The following 

steps are for reference only.   

Replace/clean coarse filtering element 

1.  Dismantle the cover of air filter (1); 

2.  Dismantle coarse filtering element (2) from the shell of 

the air filter; 

3.  Clean the shell of the air filter; 

4.  Clean and examine the coarse filtering element. Please see “Cleaning of Coarse Filtering 

Element”; 

5.  Installed the cleaned coarse filtering element in the shell of the air filter; 

6.  Clean and install the cover, and fasten the bolts on the cover with hands not a tool. 

After installing a cleanly coarse filter, if the engine discharges black smoke, new fine 

filter shall be installed. 

After being cleaned for 6 times, the coarse filtering element shall be replaced. Even if it is 

not cleaned for 6 times, it shall be replaced one time every year.   

Replace fine coarse filtering element 

Caution 

After each cleaning of fine filtering element, do not try to reuse it after cleaning. 

After the coarse filtering element is repaired for three times, the fine one shall be 

replaced. 

1

2