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Dongfeng DFA1101GZ5AD6J-907. Manual - part 25

General Principles

GL-4

Clutch

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4 8 12 16 20 24 28 32 36 40 44 48 80

Check the working conditions of clutch

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the free travel of clutch pedal

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the leakage of the hydraulic pipeline and
clutch pump

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the air leakage of clutch booster

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the reserve of braking fluid in oil reservoir

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Replace clutch braking fluid

★

Propeller Shaft

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4 8 12 16 20 24 28 32 36 40 44 48 80

Check the looseness of the linking parts of propeller
shaft

☆

★

Check the looseness of spider bearing

☆

★

Check the looseness of middle bearing

☆

★

Check the wearing conditions of spline

★

Gearbox

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

Clean gearbox and vent plug

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the oil reserves in gearbox

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check oil leakage of gearbox

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Replace gearbox lubricant

☆

★

Check the looseness of the linking parts of the con-
trol mechanism

☆

★

Check the working conditions of the bearings in
gearbox

★

Disassemble and check gearbox

★

Suspension System

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

Check the leakage of shock absorber and fasten the
bolts of brackets

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean front and rear leaf spring and shock absorber

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Fasten U bolt of leaf spring when fully loaded

☆

★

Check the damage and looseness of shock absorber

★

Check the wearing of pin sleeve of rear leaf spring,
replace while necessary

★

Check if shock absorber is out of service

★

Disassemble leaf spring, replace spring pin and pin
sleeve

★

General Principles

GL-5

Axle and Wheel

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

Clean alxes and wheels

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the oil leakage of final drive

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the fastening conditions of important
bolts

☆ ★ ★ ★ ★ ★ ★ ★ ★

Check the pressure in tyres

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the abnormal wearing of wheels

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check lubricant reserves of final drive, clean
vent plug

★

Clean and adjust hub bearings

★

Replace the lubricant of final drive

☆

★

Wheel changing

★

Check the working conditions of final drive and
the bearings

★

Disassemble and check final drive and adjust it

★

Make megnatic examination for axle shaft tube

★

Steering system

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

Check the oil leakage of steering gear

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Clean steering gear

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check free travel and working conditions of hand
wheel

☆

★

Check the fastening conditions of the ball heads of
steering cross rod and tie rod

☆

★

Check fastening conditions of steering mechanism
and its brackets

☆

★

Check fastening conditions of steering arm and steer-
ing knuckle arm

☆

★

Check and adjust front wheel toe-in

☆

★

Check front wheel alignment

★

Check and adjust steering gear

★

Disassemble and check the connectors of steering
cross rod and tie rod

★

Make magnetic examinations for steering knuckle

★

Replace the ball head pins in steering system

★

Check power steeering oil reserves, add while neces-
sary

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Replace power steering transmission oil

★

Braking System

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

Check the free travel of brake pedal

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check parking brake and its efficiency

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the air leakage of braking pipeline

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check and adjust the clearance between brake drum and
friction disc

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

General Principles

GL-6

Recommended Fuel and Lubricant

The quality of fuel and lubricant can effect the performances, quality and even life of vehicles. Therefor, to

ensure normal operations of vehicles, suitable oil products should be used according to relative prescriptions.

Dong Feng Automobile Co., Ltd. prescribes the most suitable fue and lubricants for its products. The foll-

wing are the fuel and lubricants that should be used in our products.

Fuel

Qualified light diesel in accord with GB252-87 Standard should be used. Users can choose specific class of

light diesel according to the specific temperature in his region.

Recommended temperature scope:

Engine lubricant

High-quality lubricant meeting following standards must be used for Dong Feng Cummins engines:

Lowest standard： CF-4/SG 15W-40

Recommended Standard：CG-4/SH 15W-40

Ideal standard： CH-4/SJ 15W-40
Note:
Engine damages for using lubricants below CD15W-40 or CE15W-40 or even lower are not in our warranty

scope.

Check the fastening conditions of brake back plate

☆

★

Check the wearing of brake drum and shoe, replace while
necessary

★

Check the working conditions of air compressor

★

Other

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4 8 12 16 20 24 28 32 36 40 44 48 80

Check battery liquid reserves, add while necessry

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the proportion of battery liquid

★

Check the looseness of the rivets in chassis frame

★

Check the efficency of locking device of tilting
mechanism

★

Check the looseness of linking parts of cabin

☆ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

Check the looseness and damage of cross and side
members of cargo body and the linking parts

★

Class

Recommended Temperature

0# light diesel

above 4 ℃

10# light diesel

above -5 ℃

20# light diesel

between -5 ℃ ~ -14 ℃

35# light diesel

between -14 ℃ ~ -29 ℃

50# light diesel

between -29 ℃ ~ -44 ℃

Braking System

Maintenance Item

Maintenance Mileage Interval( × 1,000km）

△ 4

8 12 16 20 24 28 32 36 40 44 48 80

General Principles

GL-7

Suitable temperature scope:

For 15W-40: -10 ℃ ~-15 ℃； For 10W: -5 ℃ ~-20 ℃ ; For 5W-30: below -25 ℃

Lubricant for gears in driving axle

Recommend to use sulfur-phosphor API GL-5 gear lubricant for heavy duty vehicle. Applicable

environment temperatures for different classes are as follow:

Gearbox oil

Recommend to use sulfur-phosphor 85W/90 GL-4 gear lubricant for middle duty vehicle.

Lubricating grease

Recommend to use generally-used lithium grease for the lubricating points on hubs and chassis frame.

Shock absorber oil

Recommend to use specially-used shock absorber oil.

Clutch boosting liquid

Recommend to use DOT 4compounded braking liquid. Different classes of braking liquid can not be used

together.

Note：
Braking liquid made by different manufacturers can not be used together.

Engine antifreeze liquid (coolant)

Recommend to use long-term antirust & antifreeze liquid. The freeze point of the antifreeze liquid used

should be 8 ℃ lower than the minimum local temperature. Different classes of antifreeze liquid can not be used
together.

Volume Data

Part

Volume （L）

Fuel tank

102

Engine lubrication system

Engine cooling system

14.5

Gearbox

4.2

Rear axle

Add till the oil overflow from the inspection hole

Clutch

Add to the scale of "MAX" of clutch oil reservoir

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