CG935G Wheel Loader. Manual - part 6

 

  Index      loaders     SICHUAN CHENGDU CHENGGONG CG935G Wheel Loader - service manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  4  5  6  7   ..

 

 

CG935G Wheel Loader. Manual - part 6

 

 

 

   

28

 Use leakage proof container when discharging liquid. It is not allowed to dump waste liquid 

on ground, sewage or water source site.   

 When handling harmful materials, such as lubricant, fuel, coolant, solution, filter, storage 

battery and other materials, observe the relevant laws and regulations.   

 The replaced waste tires shall be stored in specified safe place or be recycled. Do not 

dispose of randomly.   

3.10 Prevention of Lightning Injuries 

      When lightning occurs near the machine, the operator is prohibited to carry out following 

procedures: 

 Climb up the machine.   

 Get off the machine.   

If you are in the cab when lightning occurs, please remain in the cabin. If you stand on 

ground when it occurs, you should stand at a place far from the machine during the lightning 

period. 

 

   

29

  Start of machine

 

4.1 Investigate Surroundings before Working on the Machine

 

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

abnormal situations that may arise.   

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

operation method.   

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

avoid poisoning by waste gas.     

 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.   

 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

 

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

or damage or loss of parts.     

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

 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.   

 Check whether all the lighting and signal lamps work properly.   

 Check whether the meters and horn work properly; check to ensure the control lever is at 

parking position. 

 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.   

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

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

fixture device of it are damaged.   

 Check whether the condition of fire extinguisher is normal. 

 Ensure the safety belt is properly fastened. 

 

   

30

4.3 Before Starting the Engine 

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

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

 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. 

 Check to see if necessary light system is installed. 

 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 

 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. 

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

 Place the transmission control lever at “neutral position”.     

 Engage parking brake.   

 Blow horn to attract attention of people nearby.   

 Insert key and turn it clockwise, turn on power switch and the charging indicator light turns 

on. Then turn the key to start engine.   

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

cool down for 2 minutes before starting again.   

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

places. 

4.5 After Starting of Engine 

 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.   

 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.   

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

 

   

31

 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.   

 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. 

 Check the speed control of engine at neutral position. 

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

specified range.    

 Manipulate all control levers to ensure their smooth movement.   

 Operate the shift control system to ensure the accuracy of front, middle and rear shifts of 

the machine.   

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

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

 Ensure back-up buzzer work properly.   

 Ensure hand brake is released before driving the machine. 

4.7 Machine Operation 

 Drive the machine while sitting. 

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

 Only operate control levers when the engine is working.   

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

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

from the ground.   

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

 

 

 

 

 

 

 

Content   ..  4  5  6  7   ..