Dongfeng DFA1101GZ5AD6J-907. Manual - part 19

 

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Dongfeng DFA1101GZ5AD6J-907. Manual - part 19

 

 

General Adjustment 

9—11

15° normally. If it is too large, check and        
adjust the following part:

Check and adjust the clearance of the      

bearings of the front wheel hub.

Check the tightness of tie rod ends      

and drag link joints, and adjust them.

Check whether the fastening bolts are     

loosen  at the connection of the spline of       
the pitman arm and its shaft.

Adjustment for Toe-in

Check and adjust toe-in every 

 

 

 

12,000km, which recommend value is    
0~5mm, if toe-in is adjusted improperly,     
the tyre wear would be increase.

The adjusting method is as follows:
Park  the  truck  on  a  level  ground      

before checking, the front axle is lifted by       
a  jack,  the  front  wheels  are  put  to  run        
straightly. Screw off the clamp bolts on tie       
rod, turn the tie rod with pipe wrench and        
the proper value of toe-in can be achieved       
by adjusting.

Make a mark in the middle of tyre       

engraving  of  the  right  and  left  tyre  when       
adjusting, then measure A, B value 

 

 

 

 

respectively in the front of the axle and       
behind it.

After adjusting,  if  the  condition  is     

permitted, check the side sliding of tyres.      
The specified side sliding is  between     
3~5mm/m.

Maintenance Schedule 

10—1

Maintenance Schedule

It's necessary for periodical inspection and maintenance  of  truck  to         

prolong its service life, improve its power performance and fuel         
economy, so periodical inspection and maintenance should be carefully        
carried out according to the following items. Then it will achieve the max            
economic and social benefits.

The users have to do the maintenance accord with the specific con-           

tent in this chapter. The following schedule is not only for maintenance           
items of 80,000km, but also for normal  maintenance  items  after         
80,000Km.

☆——

Running in maintenance items:1,500~2,500km

★——

Normal maintenance items

Note:
Customers should carry out the inspection and maintenance intervals according to          

the different area condition. Properly shorten the maintenance intervals can ensure the           
truck to get the reasonable maintenance and move reliability.  Never  prolong  the           
intervals.

Engine

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Clean engine assembly

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the performance of 

 

 

accelerating and decelerating 

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the condition of exhaust

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check engine lubricant oil for 

 

 

 

leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the cleanness and capacity of     
lubricating oil

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check fuel system for leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check cooling system for leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the fan belt for damage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean up the sediment of fuel 

 

 

 

 

prefilter

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check and clean air filter and its      
cartridge

Maintenance Schedule

10—2

Replace lubricant oil of engine

Replace oil filter 

Check  and  adjust  the  valve    
clearance

Change the fuel filter and fuel-water     
separator

Replace air filter cartridge

Check compressing pressure

Check the injection pressure

Check the injection timing

Check the injection flow for injection     
pump

Check  the  oil  supply  pump  for  its      
operation

Check the function for the 

 

 

 

thermostat

Check the working conditions of the     
radiator

Clean the engine cooling system

Check the working condition of the     
supercharger, replace it if necessary

★ ★

Clutch

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check  working condition of 

 

 

clutch

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check clutch pedal free play

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check hydraulic pipe line  and    
pump for leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the slave cylinder for   

 

leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  brake fluid level in clutch     
oil reservoir

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Engine

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Maintenance Schedule 

10—3

Change hydraulic oil of clutch

Transmission

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Clean transmission and its vent plug 

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check transmission oil level

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check transmission for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Change transmission lubricant oil

Check the connections of control    
mechanism for looseness

Check working condition of every    
bearing

Disassemble and check 

 

transmission

Brake System

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check brake pedal free play

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  effectiveness of brake and     
parking brake

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  brake line and valve for     
leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check and adjust the  clearance  of     
brake drum and  lining

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  the tightness of the brake      
support plate  

Check brake drum  and  brake  shoe     
for wearing 

Clutch

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

 

 

 

 

 

 

 

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