CG958H Wheel Loader. Manual - part 7

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IV Start of Machine

 

4.1 Investigate Surroundings before Working on the Machine

 

z  Before starting operation, get familiar with the surroundings; check carefully and identify 

abnormal situations that may arise.   

z  Investigate the topography and ground status of the site and decide on the best and safest 

operation method.   

z  When working indoors or in other enclosed places, make sure the site is well ventilated to avoid 

poisoning by waste gas.     

z  In places where embedded facilities exist, such as water pipe, gas pipe, or high voltage cable, 

contact with relevant companies to identify the location of embedded facilities. Take care not to 

damage these facilities during construction. Ensure the safety of construction.   

z  Remove the obstacles on the drive path. Pay attention to perilous objects of wires, trenches, etc.   

4.2 Inspection on the Machine before Starting it

 

z  Check whether there is leakage of oil, leakage of water, looseness of bolt, abnormal sound, or 

damage or loss of parts.     

z  Confirm whether the lock rod of the front and rear frames has been released.   

z  Check whether the fluid level of coolant, fuel and the oil in the oil sump is at a normal status; 

check whether the air filter is blocked.   

z  Check whether all the lighting and signal lamps work properly.   

z  Check whether the meters and horn work properly; check to ensure the control lever or control 

button is at parking position. 

z  Remove dirties on the glass of cab and all the lamps to ensure good visibility. The doors and 

windows shall be fixed in the status of open or close.   

z  Adjust the rearview mirror to proper position to ensure good visual field of the operator. 

z  Adjust the operator’s seat to best operation position; check whether the seat safety belt and 

fixture device of it are damaged.   

z  Check whether the condition of fire extinguisher is normal. 

z  Ensure the safety belt is properly fastened.   

4.3 Before Starting the Engine 

z  Take care to check if the lock rod of the front and rear frames is removed and fixed upon the 

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rear frame. Do not start machine when the lock rod is not removed.   

z  Only starting the engine in the cab is allowed. It is prohibited to start engine by short-circuit 

terminals of motor or storage battery. Starting by bypass system will cause damage of electric 

system.  

z  Adjust the seat so that the driver can step down the pedal to its full range while sitting against 

the seat back.   

z  Check whether the lighting system of the machine works properly.   

z 

Before starting the engine and the machine, check whether there is anyone working upon, 

underneath or near the machine. Check whether there is anyone in the work area. 

 

4.4 Starting of Engine 

z  When the “please do not operate” or similar label is hanged on the starting switch of control 

lever, do not start engine or operate any control lever.   

z  Turn on the master switch in the left box of the counter weight. 

z  Place the hydraulic control lever at “middle position” before starting engine.   

z  Place the shifting handle of the transmission case at “neutral position”. 

z  Engage parking brake.   

z  Blow horn to attract attention of people nearby.   

z  Insert key and turn it clockwise, and turn on preheat start switch. Then turn the key to start 

engine.  

z  The starting of engine shall not be longer than 5 seconds. Allow the starting motor cool 

down for 2 minutes before starting again. In case the engine fails to be started for three 

times continuously, do not start the engine again to find out the causes and solve the 

problems. 

z  Start and work on engine in well ventilated condition. Discharge waste gas in enclosed places.   

4.5 After Starting of Engine 

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z  Keep low-speed run of engine until the engine oil pressure gauge indicates the pressure is 

normal. If there is no engine oil pressure within 10 seconds, turn off the engine. Make an 

investigation before turning on engine again; otherwise the engine may be damaged.   

z  Allow at least 5 minutes for low speed racing to let the engine warm up. Operate all control 

levers to accelerate preheating of hydraulic parts.   

z  Pay attention to check whether the meters are in the normal range during the operation.   

z  When the engine is racing for preheating, observe the following instructions:   

When the ambient temperature is above zero, the preheating time is approximately 15 minutes.   

When the ambient temperature is below zero, the preheating time is approximately 30 minutes.   

When the ambient temperature is below —18 , the preheating time shall be longer.

℃

 

4.6 Check after Starting of Machine 

After staring the machine and before operating it, the following checks shall be conducted to ensure 

there is no safety threat.   

z  Check whether there is an abnormal sound and successive vibration when the engine is running. 

If there is, it implies possible malfunction of the machine. Report to supervisors and repair 

before operating. 

z  Check the speed control of engine at neutral position. 

z  Check meters, apparatus and alarm lights to ensure that they work properly and within the 

specified range.    

z  Manipulate all control levers to ensure their smooth movement.   

z  Operate the shifting handle to ensure the accuracy of drive, neutral and backward shifts of the 

machine.  

z  Check whether the brake pedal and governor pedal work properly according to the user manual. 

Check whether the left and right turnings are smooth at low speed.   

z  Ensure back-up buzzer work properly.   

z  Ensure hand brake is released before driving the machine.   

4.7 Before Operating Machine 

Ask people near the machine to leave.   

Drive machine slowly to open land and check whether all control levers work properly. 

4.8 Machine Operation 

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z  Drive the machine while sitting.   

z  Before driving machine, the driver shall make certain that nobody would be injured.   

z  Drive the machine slowly to open land and check whether all control levers work properly. 

z  Only operate control levers when the engine is working.   

z  It is not allowed to carry people when the machine is working.   

z  Report the items needed to be repaired that are discovered during operation.   

z  The bucket and other work devices shall approach ground as close as possible, about 40cm from 

the ground.   

z  Stop the machine in places far from cliffs, suspensions or slopes.   

z  If the machine side-slips down slope, unload the load immediately and drive the machine down 

the slope.   

z  Try to work in the up and down direction of slope and avoid working sideway to the slope.   

z  Keep the machine in a status under control. Do not overload.   

z  Keep the articulating and drafting devices are in a good condition.   

z  Trailer can only be connected to a drafting pin.   

z  It is prohibited to stride on traction rope or similar devices.   

z  When on hills, hardpan or slopes, or when crossing trenches, hillocks or other obstacles, pay 

attention to inclining of the machine.     

z  Report the items needed to be repaired that are discovered during operation. 

z  When linking trailer to the machine, it is prohibited to stand between the machine and the trailer. 

The traction frame or traction pin of traction equipment shall link to the traction pin of the 

machine.  

z 

Get to know the maximum size of the machine, and the maximum work limit and range of the 

machine. 

 

4.9 Stop Engine 

z  After completing loaded operation of the machine, do not stop engine immediately. Otherwise 

may cause overheating of engine and accelerate wearing of its parts. After parking the machine 

and engaging the brake, allow the engine continue to run 5 minutes before stop it, which well 

cool down slowly the overheated areas of the engine.   

z  Turn the key back to 0 position to stop the engine. Or not, the battery will be involved in flow 

backwards