CG958H Wheel Loader. Manual - part 31

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

filter shall be installed. 

1.  Open the maintenance door; 

2.  Dismantle the cover and coarse filtering element; 

3.  Dismantle the bolt fixing the fine coarse filtering element and then dismantle the fine 

filtering element; 

4.  Cover the air inlet and clean the interior of the air filter; 

5.  Examine the gasket between air inlet pipe and shell. Any damaged gasket shall be replaced; 

6.  Open air inlet to install a new fine filtering element; 

7.  Install the nut and gasket on the screw. The torsional moment of the nut shall be 27±7N.m; 

8.  Install the coarse filtering element and cover, and fasten the bolts on the cover with hands 

not a tool; 

9.  Close the maintenance door. 

Clean coarse filtering element 

While cleaning the coarse filtering element, do not strike it, or not, the engine will be 

damaged. 

The filtering element may be cleaned with pressure air, pressure water or cleaning. 

1.  Induct the air or water along with internal and external wrinkles of the filtering element; 

2.  After cleaning, examine the coarse filtering element. Do not 

use the filtering element with a damaged wrinkle, gasket or 

seal; 

3.  Pack the cleaned filtering element and store it at a cleanly and 

dry place. 

Accumulator

 

The accumulator of this loader is free from maintenance, 

which is located at the right side of the rear end of the rear frame.。 

  All fixed bolts of the accumulator shall be fastened per 1000 

hours. 

 

Radiator

 

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Clean or replace the pressure cover 

The maintenance door of the radiator cover is designed at the rear topside of the machine. 

1.  Open the maintenance gate of the radiator. 

2.  Slowly loosen the radiator cap and release the pressure. 

3.  Examine the damage, precipitation or foreign substance of the cover, and wipe off the cover 

with a cleanly cloth or if necessary replace it with a new one; 

4.  Fit on the cover; 

Close the maintenance door. 

Clean the exterior of radiator core 

Open the radiator cowling at the back of the machine. 

The dust, leafs and other foreign substance on the radiator may be removed with 

compressed air, high-pressure water or steam (compressed air is better).   

Fuse

 

Location: Fuse box is installed at the right rear of the chair in the cab. 

Fuse--It protects the electrical system from damage due to short circuit. If the fuse link is burnt 

out, a new one of same specification shall be used; if the fuse link is burnt out again, the circuit 

shall be examined and repaired. 

z  Only the fuse of fusing current can be used, or 

not, the circuit will be damaged possibly. If the 

fuse requires to be replaced frequently, it is 

possible the circuit is involved in failure. 

Please examine the circuit. 

Windscreen wiper and washer pump 

Examination/replacement of the wiper 

Examine the brush of the wiper. If it is worn too 

mush or damaged, or cracked, the wiper shall be replaced. In the cab, fore and rear wipers are 

available. For any crack, the wiper shall be replaced. 

The washer pump and pot are located in the box at right lower side of the cab. When 

the level in the washer pot is lower than the pot by half, cleaning liquid shall be added. 

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Dipper tooth 

The damaged dipper tooth shall be replaced. 

Warning 

Prior to replacing the dipper tooth, the dipper shall be padded well, or not, it will result in 

personal injuries and death possibly. 

 

 

 

 

1.  Dismantle the pin from the snap ring side of the dipper tooth, and then dismantle tooth 

sleeve and snap ring; 

 

2. Clean the tooth, pin and snap ring, and install the snap ring in the groove at the side of the 

tooth; 

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3. Install a new tooth sleeve on the tooth; 
 

 

4. Drive the pin into the snap ring, tooth and tooth sleeve from the side of the snap ring. 

9.2 Maintenance of Each 10 Working Hours or Every Day 

Before carrying out any operation or maintenance, the warnings and annotations in this 

manual’s safety chapter shall be read and understood. 

 

Engine oil 

Examine oil level. The oil shall not be excessive so as to avoid the engine from 

damage. 

1.  Open the maintenance door at the side of the machine; 

2.  Keep the oil level between the normal mark on the oil scale; 

3.  If the oil requires to be added, open the oil filling cap to add oil; 

4.  Clean the oil filling cap and install it. 

5.  Close the maintenance door. 

Transmission fluid 

Examine the oil level. The transmission fluid scale is located at the left side of the machine. 

1.  In low-speed idling, the oil level shall be kept between two scales of the oil scale; 

2.  The oil shall be added depending on demand;