Dongfeng EQ1030T47D-820. Manual - part 2

 

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Dongfeng EQ1030T47D-820. Manual - part 2

 

 

General

GL-4

Maintenance Specifications

It is necessary for periodical inspection and maintenance of a vehicle to extend its service life, and improve

on its power performance and fuel economy. So periodical inspection and maintenance should be carefully and
maintenance should be carefully and strictly implemented in accordance with the following specifications so as to
achiveve maximal economic and social benefits.

The users have to do the maintenance according to this chapter. The following schedule is only for mainte-

nance items with in 4,0000km, it is also suitable for normal maintenance items after 40,000km.

△—

Running-in Maintenance Mileage (1,500~2,500km) 

☆—

Running in maintenance items

★—

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.

CYDQ32 engine

R=Replace  I=Inspect
Replace if necessary.

 A=adjust  C=Clean  D=Dry and check

Note:
If the engine power apparently dropped, or exhausted black smoke, check the starting pressure of the

fuel spray nozzle and fuel spray conditions, and adjust if necessary.

 If there is a ★ in the maintenance item, it has to follow the "Maintenance in bad using environment "

and do the maintenance more frequent.

CYQD32 engine maintenance in bad using enviroment

The maintenance above is in the normal using environment, but if the vehicle is used in a bad envi-

ronment for a long time, it will be necessary to do the following maintenance more frequent.

Maintenance Items

Maintenance Intervals (× 1000km)

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

Replace lubricant ★

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Replace oil filter cartridge

R

R

R

R

R

R

R

R

Maintenance Items

Maintenance Intervals (× 1000km)

1

10

20

30

40

50

60

70

80

Exhaust device and tighting of other nuts

I

Drive  belt

I

I

I

I

I

Engine coolant

R

R

Cooling system

I

I

I

I

Fuel pipeline

I

I

Air  filter

C

C

C

R

C

C

C

R

Air inlet and outlet valve

A

A

A

A

A

Fuel spray nozzle

                请看注意 (1)

Idle speed

I

I

I

I

I

General

GL-5

A—Dusty area  B—Frequent start in short time  C—Towing long trailer  D—Long tome idle speed

E—Extremely bad climate, high temperature or bitter cold area.

   

     

    

 

Using Environment

Maintenance Item

Operation

Maintenance Interval

A

B

C

D

Oil and oil filter

Replace

Often

All types

Replace

Often

A

E

Fuel filter

Replace

Every 20,000km

Clutch

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check working condition of clutch

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check clutch pedal free play

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check hydraulic pipe line and pump for leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Transmission

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check transmission for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check transmission oil level

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check worn condition between transmission and propeller shaft
spline

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the connections of control mechanism for looseness

Replace transmission lubricant oil

Brake system

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check  effectiveness of service brake and parking brake

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check brake line for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check remain hydraulic oil of clutch and brake system

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check  the tightness of the brake support plate  

Check brake pedal free play

Check brake shoe for wearing

Check vacuum booster oil pipe and valve for oil leakage

Check brake drum and brake disc for wearing

Replace hydraulic oil of clutch and brake system

Check parking brake lever and steel wire for the working condition

Steering system

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check steering gear and pipe for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the tightening condition of pitman arm

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the tightening condition of steering gear  to thr frame

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

General

GL-6

    

 

If the ball pin dust cap is damaged, replace it immediately, because it may damage the ball pin and

cause danger in driving.

     

Check the tightening condition of tie rod ends and drag link joints

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the tightening condition of transition arm and driven arm

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check steering gearing device for looseness

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check steering wheel for free play and operating

Check steering gear oil level,add if necessary

Check spline hub of the steering drive shaft for wear

Check and adjust front wheel toe-in

Check the tightening condition of upper and lower cross arm ball head
to steering knuckle

Clean steering gear and pipe, replace steering gear oil

Check front wheel alignment

Check the pull rod ball head working condition of the steering system

Suspension system

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check shock absorber for oil leakage and fasten bracket bolts

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean rear leaf spring and shock absorber

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the working condition of the front independent suspension
upper and lower cross arm ball pin and the dust cap

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the working condition of torsion bar fixed adjusting arm

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

Check the working condition of front suspension torsion bar and push
rod

Check the working condition of front independent suspendion upper
and lower cross arm

Tighten the connecting bolt of front independent suspension

Check the tightening condition of leaf spring shackle bolt

Check the working condition of rubber assist spring 

Check leaf spring and shock absorber for any damage

Replace leaf spring pins and sleeves

Check the working condition of front independent suspendion rubber
limit block

Check the vehicle left and right height

Propeller shaft

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check shaft connecting part for looseness

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check tightening condition of spider bearing of propeller shaft

Check propeller shaft splines for wear and damage

Steering system

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

General

GL-7

        

       

Periodic Replacement

Periodical replacement parts are hose which deteriorate with lapse of time. These parts are mainly

rubber parts such as brake hoses,fuel hoses. It is difficult to predict the safety of these parts when
checking them with the method used in the usual predict inspection. Hence, applicable parts must be
replaced whether they appear to be usable or not.

Grease Application Place and Schedule

Greasing should be performed periodically for all parts of the vehicle. Before filling up, clean all

dust and dirty from the grease nipples and other parts which are needed to lubricated, then apply grease.
After greasing, wipe off the excess grease. Be sure to put the caps back on.The table includes first
40,000km lubricating schedule. You have to follow the schedule after the first several kilometers.

△—

Running-in maintenance mileage (1,500~2,500km)

Axle & wheel

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Clean front, rear axle assembly and wheel assembly

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check main reductor for oil leakage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check tire pressure and wheel bolt and nut for tightening torque 

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check tire for wear and damage

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check lubricant level of main reductor and clean the vent plug

Rotate tires

Replace the main reductor lubricant

Other

Maintenance Items

Maintenance Intervals( × 1,000km)

4

8 12 16 20 24 28 32 36 40

Check the connecting part tightening conditions of cargobody to
frame 

Check thelongitudinal and cross member of the cargo body for loose-
ness and damage

Check chassis frame rivets for looseness

Check connections of cab for looseness

Check battery electrolyte level (fill up if it is not enough)

Replace Items

Replace Intervals (Year)

1

2

3

4

5

6

7

8

9 10 11 12

Rubber parts of  brake valves

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Rubber hoses of brake system

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Rubber hoses for vacuum pump

Rubber hoses of clutch control system

Rubber sealing ring of master and slave cylinder of clutch

Front independent suspension upper and lower cross arm ball pin
assembly

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Propeller shaft spider assembly

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Steering drive shaft spider ball pin assembly

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

 

 

 

 

 

 

 

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