Dongfeng DFA1101GZ5AD6J-907. Manual - part 20

 

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Dongfeng DFA1101GZ5AD6J-907. Manual - part 20

 

 

Maintenance Schedule

10—4

Check working condition of  air    
compressor

Steering System

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check steering gear for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean steering gear

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check steering wheel for free play     
and operating

Check tightening condition of tie rod     
ends and drag link joints

Check tightening condition of 

 

 

steering mechanism and brackets

Check tightening condition of 

 

 

knuckle arm and pitman arm of the      
steering

Check and adjust toe-in

Check front wheel alignment

Check and adjust steering gear

Dismantle and check tie rod ends     
and drag line joints

Have a magnetic detection for 

 

 

 

steering knuckle

Change steering ball joint pin

Check the oil level of the steering oil       
reservoir

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Replace the steering drive shaft

Brake System

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Suspension System

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check shock absorber for oil 

 

 

 

leakage and fasten bracket bolts

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean front, rear leaf spring and     
shock absorber

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Tighten U-bolts and nuts of leaf     
spring during full load

Check shock absorber for looseness    
and damage

Check pin bushing of rear leaf spring      
for wear and damage, change it if      
necessary

Check shock absorber for 

 

 

malfunction

Dismantle and check leaf spring,    
change spring pin and pin bushing

Propeller Shaft

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check shaft joint for looseness

Check tightening condition of spider    
bearing of propeller shaft

Check tightening condition of 

 

 

midship shaft bearing

Check propeller shaft splines for    
wear and damage

Maintenance Schedule 

10—5

Axle and Wheel

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Clean front, rear axle assembly and     
wheel assembly

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check reduction gearbox for oil 

 

 

 

leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  tightening  condition  of  axle    
shaft bolt and wheel nut

☆ ★ ★ ★ ★ ★ ★ ★ ★

Check tire pressure

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check tire for wear and damage

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check lubricant oil level in reduction     
gearbox and clean vent plug

Clean and adjust wheel hub bearing

Change main reduction gearbox oil

Rotate tires

Check working condition of 

 

 

reduction gearbox of rear axle and     
its bearing

,

Disassemble  check, and adjust 

 

 

reduction gearbox assembly of rear    
axle

Do  the  magnetic  inspection  to  the     
half shaft sleeve

Maintenance Schedule

10—6

Others

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

Check battery electrolyte level (fill up     
if insufficient)

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  specific  gravity  of  battery    
electrolyte

Check chassis frame rivets for 

 

 

 

looseness

Check the tilt locking equipment for     
its function and damage

Maintenance Schedule 

10—7

Main Adjusting Data

Engine

Adjusting Items

Standard

EQB140-20

Air valve clearance  
(cold)

Inlet valve

0.25mm

Exhaust valve

0.50mm

Min. oil pressure of idling

69kPa

Min. oil pressure of rated revolution

207kPa

Opening pressure of pressure 

 

 

adjusting valve

414kPa

Opening pressure of oil filter by-pass     
valve

138kPa

Opening pressure of radiator cover    
steam valve

System temperature

104 ℃

 

: 103kPa

 99 ℃

 

: 48kPa

Check  connections of cab for 

 

 

 

looseness

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check crossmember sidemember 

 

connection for looseness

Chassis

Adjusting Items

Standard

Clutch booster push rod travel

Free travel

3~5mm

Total travel

17~20mm

Free travel of clutch pedal

30~40mm

Others

Maintenance Items

Maintenance Intervals (× 1000km

4 8 12 16 20 24 28 32 36 40 44 48 80

 

 

 

 

 

 

 

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