CG958H Wheel Loader. Manual - part 26

-  - 

106

Loader’s Parking 

Parking  

Caution 

The loader shall be parked on the leveled ground. If on a slope, the wheels shall be 

padded well. 

Do not close the parking brake while driving under exceptional circumstances   

 

1.  Step on the service parking pedal to stop the loader. 

2.  Make the shifting handle at the neutral position 

3.  Close the parking brake. 

4.  Place the bucket on the ground and press it slightly. 

 

Shutdown of Engine 

1.  After parking, the engine shall be idled at a low speed for 5 minutes. 

2.  Turn the key switch to flame out the engine. 

3.  Take away the key. 

4.  Hold ladder with both hands and step down along the ladder facing the loader. 

5.  Examine whether there exist some foreign substances in the engine cover. The foreign 

substances and paper shall be got rid of to avoid fire. The flammables at the bottom of the 

loader shall be eliminated to reduce the occurrence the fire. 

6.  Turn off the power switch   

7.  Install all protective covers and locks. 

8.  After parking in winter or at a cold place, if the cooling liquid is not be added with 

antifreeze, the water drain valve or water blocker on the engine body, radiator and intake 

etc. shall be opened to discharge the cooling water in order to prevent freezing. 

 

 

 

 

-  - 

107

Repairing and Maintenance 

Appropriate tools: 

    We suggest that the user should select the service tools in accordance with the 

ISO4510 Earth-moving machinery Service tools-Part 1: Common maintenance and 

adjustment tool. Delivery tools please see the “ PACKING LIST”. 

Only the tools applicable to the working task may be used. The use of damaged, 

poor-quality and defective or temporarily substituted tools will possibly result in 

personnel damage. 

Precautions for hammer application 

While using the hammer, the operator shall wear safety glasses, safety helmet and other 

protective clothes, and shall pad one copper bar between the hammer and the part 

hammered. 

If use the hammer to hammer the hard parts, such as pin or bearing, note that the 

fragment will fly into and damage eyes. 

I  Knowledge on Tyre Inflation  

1.1Tyre Inflation with Nitrogen (N2) 

z  SICHUAN CHENGDU CHENGGONG CONSTRUCTION MACHINERY CO., LTD. 

suggests that all rubber tyres and tyres’ pressure would be inflated and regulated with 

nitrogen respectively. Nitrogen is a kind of inert gas and does not support combustion. 

z  In order to avoid redundant nitrogen in the tyre, proper nitrogen inflation equipment 

shall be used and necessary training on application of the equipment is required. 

Improperly using the equipment may result in blowout of tyre possibly, even serious 

personal injuries and death. 

z  Because the pressure of the cylinder filled with nitrogen is about 15000kPa, 

-  - 

108

improperly using the inflation equipment will possibly result in blowout of tyre or 

damage of wheel rim. 

z  Besides the function of weakening the dangerousness of the explosion, the inflation with 

nitrogen may also delay rubber’s aging and gradually wear of tyres (it is especially 

important that the tyre has expected service life (four years above). In addition, it may red 

In tyre inflation, an inflation chuck that clips tightly automatically shall be used. The 

operator shall stand outside the tyre.   

z  The set pressure of the modulating valve of the inflation equipment shall not exceed the 

recommended pressure 300~340 kPa. The press of the tyre inflated with nitrogen shall be 

same as the one with air. Please consult with the tyre supplier for information on working 

pressure. 

 

1.2Regulation of Inflation Pressure 

z  If the loader works under a cold condition, the pressure for tyre inflation at a warm place 

of 18℃~21℃ is too low. The low pressure will shorten the service life of the tyre. 

z  Please see working and maintenance manual for the regulation of inflation pressure under 

a cold condition. 

1.3 Purchase of Tyres 

    The tyre’s specification is 23.5-25-20PR, tubeless.As the tyre requires to be replaced, the user 

may purchase the tyre of same specifications at the local store.

-  - 

109

II  Standard for Screw Torque

 

Usually, fasteners will be dismantled in repairing. For reinstallation, the following items 

shall be noted: 

z  The bolts and nuts dismantled from the loader shall be kept well for reinstallation. In case a 

new fastener is required, the size and grade of the new fastener shall be same as the old 

one. 

z  The strength of the material is marked with number (8.8, 10.9 etc.) on the head of the bolt 

usually. The standard torque for the 8.8-grade bolt and nut is given in the following table. 

 

 

the size of 

screw thread 

 

standard torque（N.m） 

M6 12±4 

M8 25±7 

M10 55±10 

M12 95±15 

M14 150±20 

M16 220±30 

M20 450±70 

M24 775±100 

M30 1600±200 

M36 2700±400