DongFeng DFH4180 Series User manual

SEMI-TRAILER TRACTOR
User’s Manual
Dongfeng Commercial Vehicle Co., Ltd.
July 2019
Dongfeng DFH4180 Series Vehicles

Foreword
Thanks for purchasing and using Dongfeng motor vehicles. We sincerely
hope that they will bring you infinite wealth.
It is our common objective to optimize your vehicle, which, however, to a cer-
tain extent, depends on your familiarity with the vehicle and careful and com-
prehensive maintenance. You are appreciated to go through this manual and
thus to get familiar with operation procedures therein before you operate the
vehicle.
As an integral part of the vehicle, this manual should be kept and used with
the vehicle. It shall be noted that, to meet users' demands, Dongfeng Com-
mercial Vehicle Co., Ltd. will constantly improve and perfect the vehicle prod-
ucts. The company reserves the right to modify the product design and
technical features at any time. Therefore, the figures and description in this
manual are correct upon publication, and no further notice will be made upon
the subsequent modification. The parameters concerning the bulletin shall
refer to the national bulletin. Thanks for your understanding.
This manual is applicable for DFH4180 series truck. When reading this man-
ual, please refer to the specific configuration of your vehicle. These series
have all reached China six emission standard.
For issues related to quality warranty and spare part purchase of our prod-
ucts, please contact the Technical Service Centre (Station) or Customer Ser-
vice Centre of Dongfeng Commercial Vehicle Co., Ltd.. Sunshine Service
Hotline: [phone] or Free Call: 400-900-5555.
Dongfeng Commercial Vehicle Co., Ltd.
July 2019

Use of Manual
This manual describes the structure & operation, starting & driving, mainte-
nance & adjustment, as well as technical parameters and service & adjust-
ment data for Dongfeng vehicle products. The user should perform the
inspection and maintenance work in strict accordance with the maintenance
interval mileage specified in the regular maintenance schedule.
Symbols in the manual are specified as follows:
WARNING:
Failure to observe the requirement with a warning mark
will result in serious personal injury or property loss.
CAUTION:
Failure to observe the requirement with a caution mark
will result in personal injury or damage to component
and assembly or complete vehicle.

Declaration
Dongfeng Commercial Vehicle Co., Ltd. shall be relieved of the responsi-
bility for products’ reliability, safety or compatibility in case of one of the fol-
lowings:
1. The nameplate and the certificate of the complete vehicle or chassis
issued by our company do not match the material object, or are altered.
2. Failure to observe the requirements in this manual to properly use and
operate the vehicle.
3. No regular maintenance (including running-in maintenance and mileage
maintenance) is executed at service station in accordance with this manual.
4. Failure to use the oil products, coolant, air filter elements, fuel filter ele-
ments and oil filter elements designated in this manual.
5. The customer repairs the vehicle when it is faulty within the quality guar-
antee period instead of getting it repaired in the Technical Service Station
authorized by Dongfeng Commercial Vehicle Co., Ltd..
6. Malfunction caused by altering the original structure of the vehicle without
authorization of our company, such as retrofitting, addition or parts modifica-
tion, namely, room extending, frame strengthening, leaf spring thickening, or
tyres layering or widening.
7. Malfunction caused by the failure to use the genuine parts recognized by
our company when repairing the vehicle.
8. Deteriorated successive fault and related components damage caused by
continuously driving the vehicle with fault or potential fault which is not elimi-
nated in time.
9. The customer handles the traffic accident privately without the duty confir-
mation executed by involved parties such as public security traffic administra-
tive authority and insurance company.
10. The vehicle is operated beyond the load limit or other limits.
11. Impact, burning damage, scratch or chipping caused by external factor
rather than the internal fault of the products.

12. Vehicle damage caused by force majeure, such as flood, lightning, storm
and hailstone.
13. Normal deterioration of the vehicle like noise, vibration, wear and aging.
14. Delay loss caused by stopping or refusing the service station to perform
regular inspection, analysis and evaluation to the vehicle.
15. Vehicles that are no longer in warranty period.
16. Other repairs not associated with material, design or manufacturing, or
unauthorized modification or conversion of vehicle design.
All rights reserved

D760.H03E-001.H1907 1
Catalogue
Vehicle Identification............................................................................... 1
Location of Vehicle Nameplate ..................................................................................1
Location of VIN ..........................................................................................................1
Read VIN ...................................................................................................................1
Location of Engine Nameplate and Ex-factory Code ................................................2
Precautions .............................................................................................. 3
China six engine exhaust parts warranty period provisions ....................................3
Environment-friendly Operation and Adjustment of Engine ......................................4
Daily Inspection .........................................................................................................5
Running-in of New Vehicle ........................................................................................6
Standard Operation ...................................................................................................7
Safety Precautions ....................................................................................................9
Safety Precautions for Brake Pipeline Quick Joint ..................................................12
Structure and Operation ....................................................................... 13
Arrangement of Instrument and Control Mechanism ...............................................13
Keys ........................................................................................................................13
Doors .......................................................................................................................14
Central locking .........................................................................................................15
Seats .......................................................................................................................16
Seat Belts ................................................................................................................22
Berth ........................................................................................................................23
Instrument Panel .....................................................................................................24
Indicator and alarm light ..........................................................................................27
Multi-information display and adjustment ................................................................42
Master power switch ................................................................................................51
Rocker Switch .........................................................................................................51
Combination switch, steering wheel switch .............................................................57
Key switch ...............................................................................................................61
Instructions for ACC switch .....................................................................................62
Integrated door switch .............................................................................................63
Climate Control System ...........................................................................................65
Parking warm air system (optional) .........................................................................68
Gear lever and shift knob ........................................................................................71
Method for Releasing Spring Brake ........................................................................73
Accessory System ...................................................................................................74
Glove box ................................................................................................................78

2D760.H03E-001.H1907
Curtain .....................................................................................................................82
Rearview mirrors and under-view mirrors ...............................................................83
Driving recorder .......................................................................................................84
Display screen of on-board information terminal .....................................................85
Lane departure warning (LDW) .............................................................................105
Forward collision warning (FCW) ..........................................................................106
Description of tire pressure monitoring system .....................................................119
Steering voice alarm ..............................................................................................123
Chassis distribution box ........................................................................................124
Fuse box ............................................................................................... 124
Adjustment of Steering Wheel ...............................................................................126
Towing Hook .........................................................................................................126
Front Face Shield ..................................................................................................127
Side Spoiler ...........................................................................................................128
Roof spoiler ...........................................................................................................129
Fire Extinguisher ..................................................................................................130
Refueling ...............................................................................................................130
Warning Triangle ...................................................................................................131
Triangular stop block .............................................................................................131
Reflective vest .......................................................................................................131
Inverter instructions ...............................................................................................132
Main auxiliary tank changeover valve operation ...................................................133
Cab Tilting .............................................................................................................135
ECAS operation .....................................................................................................136
Use of Differential lock ..........................................................................................139
Post-processing system ........................................................................................140
OBD diagnostic interface .......................................................................................142
Electrical Connection Between Semi-trailer Tractor and Trailer ............................143
Semi-trailer Tractor Coupling and Operation .........................................................144
Operating instructions for rear fender upper cover plate .......................................148
Starting & Driving ................................................................................ 150
Engine start (Cummins engine) .............................................................................150
Steering System Start ...........................................................................................152
Transmission Operation ........................................................................................152
Braking Operation .................................................................................................158
Parking operation ..................................................................................................159
Auxiliary brake .......................................................................................................160
Parking ..................................................................................................................160
Slope Driving Method ............................................................................................160
Maintenance & Adjustment................................................................. 161

D760.H03E-001.H1907 3
Inspection and Adding of Coolant .........................................................................161
Draining of Coolant ................................................................................................162
Maintenance of Air Filter .......................................................................................162
Draining of Fuel Tank ............................................................................................163
Maintenance of Cummins Engine .........................................................................164
Oil filter ..................................................................................................................165
Fuel filter ................................................................................................................166
Fuel Primary Filter (oil-water separator) ................................................................166
Bleeding of fuel system .........................................................................................168
Drive belt inspection ..............................................................................................168
Supercharger maintenance ...................................................................................169
Inspection of Clutch Fluid Level ............................................................................171
Check and replace transmission oil .......................................................................171
Maintenance and Adjustment of Brake .................................................................177
Automatic Adjuster ................................................................................................178
Disc Brake .............................................................................................................181
Inspection of Brake Pedal Stroke ..........................................................................185
Inspection of Air Dryer ...........................................................................................186
Inspection and Change of Power Steering Hydraulic Oil ......................................187
Maintenance of Suspension ..................................................................................188
Inspection of Drive Axle Final Drive Oil Level .......................................................190
Use and Maintenance of Tire ................................................................................191
Tire Rotation ..........................................................................................................193
Adjustment of Front Wheel Alignment ...................................................................194
Tire Inflater ............................................................................................................195
Maintenance of wheel hub bearing .......................................................................195
Maintenance of maintenance-free wheel hub .......................................................196
Removal and Refitting of Spare Wheel .................................................................198
Replacement of Tire ..............................................................................................199
Inspection and Maintenance of Battery .................................................................200
Fusible Link ...........................................................................................................200
Adding of Washer Fluid .........................................................................................200
Arrangement of Lamplight .....................................................................................201
Lamplight Adjusting Method ..................................................................................202
Auxiliary Power Starting .......................................................................................205
Maintenance of Cab Lifting Device ........................................................................206
Saddle maintenance ..............................................................................................207
Regular Maintenance Schedule.......................................................... 208
Inspection and Maintenance Term ........................................................................208
Maintenance and replacement items ....................................................................209
Maintenance inspection/cleaning/discharge items ................................................210

4D760.H03E-001.H1907
Maintenance lubrication items ...............................................................................219
Regular Replacement Parts ..................................................................................220
Service & Adjustment Data................................................................. 221
Engine ...................................................................................................................221
Chassis ..................................................................................................................221
Tightening Torque .................................................................................................222
Bulb .......................................................................................................................230
Capacity Data ........................................................................................................231
Oil Products and Grease .......................................................................................233
Technical Parameters.......................................................................... 235
Mass Parameters ..................................................................................................235
Dimension Parameters ..........................................................................................235
Performance Parameters ......................................................................................236
Parts not included in the vehicle's overall dimensions ..........................................237
Assembly Structure............................................................................. 238
Engine ...................................................................................................................238
Clutch ....................................................................................................................238
Transmission .........................................................................................................238
Propeller Shaft .......................................................................................................238
Front Axle ..............................................................................................................238
Rear axle ...............................................................................................................239
Wheels and Tires ..................................................................................................239
Frame ....................................................................................................................239
Suspension ............................................................................................................239
Steering System ....................................................................................................239
Brake System ........................................................................................................240
Electrical System ...................................................................................................240
Cab ........................................................................................................................240
Heater and A/C ......................................................................................................241
Traction pin ............................................................................................................241
Driver's Tool ..........................................................................................................241
Electrical Schematic Diagram ............................................................ 241

Vehicle Identification
D760.H03E-001.H1907 1
Vehicle Identification
Location of Vehicle Nameplate
The vehicle nameplate is placed inside the
passenger side door in the cab.
Location of VIN
VIN code is the vehicle identification code.
It can be engraved on the outside of the front
longitudinal center line of the right front wheel. It
can also be engraved on the outside of the lon-
gitudinal center line of the right front wheel
(±500mm).
Read VIN
The vehicle VIN code is stored in the electronic control unit (ECU), and the com-
munication baud rate is 500Kbps. The vehicle VIN code can be read through the com-
munication protocol ISO27145. Detection Tool ScanTool (Silver ScanTool software,
J2534 interface hardware such as ValueCan) can read the VIN code of dongfeng
commercial vehicle. The Tool can be purchased through Beijing yi 'an hengrui technol-
ogy co., LTD or social channels. When reading, the Tool is connected with the vehicle
OBD port to run relevant programs.
1. Vehicle nameplate

Vehicle Identification
2D760.H03E-001.H1907
Location of Engine Nameplate and Ex-factory Code
Cummins engine
1. Engine nameplate
1. Location of engine ex-factory code

Precautions
D760.H03E-001.H1907 3
Precautions
China six engine exhaust parts warranty period provisions
system serial
number Part name Road vehicle/engineering
vehicle
Air intake system 1 supercharger
5 years / 160,000 km (60
months / 160,000 km)
(whichever comes first)
fuel system
2 fuel pump
3injectors
4 High pressure common rail
5 pressure regulator
6 mixing plant
7injector
ignition system 8 spark plug
9 Ignition coil assembly
Exhaust gas
recirculation
10 EGR valve
11 EGR cooler
Post-processing
plant
12 SCR
13 DOC
14 DPF
15 urea nozzle
16 Urea metering pump
17 urea quality sensor
18 hydrocarbon nozzle
19 hydrocarbon metering pump
Crankcase 20 crankcase vent valve
sensor
21 NOx sensor
22 temperature sensor
23 air flowmeter
24 differential pressure sensor
25 oxygen sensor
Electronic control
unit
26 ECU
27 DCU

Precautions
4D760.H03E-001.H1907
Environment-friendly Operation and Adjustment of Engine
1. Dongfeng Commercial Vehicle Co., Ltd shall regard any private or unauthorized
removal of lead seals of the engine as automatic abandonment of the warranty.
2. The engine has been strictly adjusted before delivery and met the requirement of
the national environmental laws. The user is not allowed to execute unauthorized
alternation or adjustment. The engine can only be adjusted in the service station
designated by Dongfeng Commercial Vehicle Co., Ltd. Dongfeng Commercial
Vehicle Co., Ltd will regard any private altering or adjustment in any unauthorized
service station as automatic abandonment of the warranty.
3. Use the oil filter element and fuel filter element designated by the engine
manufacturer.
4. Strictly observe the following during the operation and maintenance:
a). Perform regular maintenance and replacement of the oil filter, the fuel filter
and the air filter.
b). Make sure to apply the designated or recommended model and specification
of oil, and change the oil regularly.
c). You must use a qualified conforms to the standard stipulated by the urea
solution, not added.
d). Add high quality diesel of different grades under different climate conditions;
do not use poor-quality diesel.
e). Always check the level of coolant and lubricating oil regularly, and add if
necessary.
f). Check that the connecting pipes for supercharger, intercooler and intake &
exhaust pipes are airproof.
g). Before driving, let the engine run idly for 3~5 min to lubricate sufficiently all its
parts, especially the supercharger in order to ensure the normal operation of
the supercharged engine. After starting the engine, never warm up it by
means of acceleration. Before shutdown, let the engine run idly for 3~5 min, to
cool down normally all its parts, especially the turbine casing of the
supercharger, in order to prevent the gumming or carbon deposition of the
lubricating oil on the hot component, which will lead to malfunctions like
blockage.
5. During the warranty period, we should keep the material proof of using qualified oil
products and urea (such as the certificate of filling station within one year and the
certificate of urea sales at the normal point of sale).
6. According to the maintenance provisions of this manual, vehicle maintenance shall
be conducted at the service station authorized by dongfeng commercial vehicle
co., ltd. with maintenance records.
7. All materials for maintenance, if no longer in use, shall be disposed of in
accordance with national or local environmental laws.

Precautions
D760.H03E-001.H1907 5
CAUTION:
It may be illegal for a vehicle not to use the prescribed fuel and urea.
Daily Inspection
Please check carefully the vehicle before driving.
1. Check the coolant level.
2. Check the engine lubricating oil level.
3. Check for oil leakage, water leakage and air leakage.
4. Check and clean the glass and rearview mirror.
5. Check the wheel nut for looseness, and check the tire pressure and tread .
6. Check steering wheel, transmission control handle and brake status.
7. Check the brake pedal for free travel .
8. Check the horn .
9. Check the lights.
10. Check fuel tank capacity .
11. Check urea (DEF) level .
CAUTION:
1.Drain the fuel filter and fuel primary filter.
a.Drain them every week or drain the water and deposits when the water-
in-fuel indicator lamp is on (applicable for the truck with water-in-fuel
indication function);
b.For the refueling, it is recommended to drain the water and deposits in
the water separator of fuel primary filter after the shutdown each day.
2.Drive in winter and cold areas, or drive continuously from normal
temperature areas to high altitude areas, low temperature and cold areas
in north China. Before shut-down every day, please push the air storage
cylinder pressure to the rated pressure.
3.In winter and cold areas, check the water in the air storage tank every
day after receiving the truck. Otherwise, check it once a week. When the
ambient temperature is less than 5 ?, please switch on the air dryer
heating switch on the instrument panel.
4.When the friction plate wear indicator lever indicates that the friction
plate has moved to the wear limit or is prompted by the instrument, the
friction block assembly must be replaced immediately.
5.Normally, the maintenance-free hub oil should be dark. If the oil is
white or milk-like, it indicates that the oil has been contaminated.
6.Check that the pipeline connection between the tractor and the trailer
is intact and there is no leakage.

Precautions
6D760.H03E-001.H1907
Running-in of New Vehicle
The running-in mileage is 1,500-2,500 km, during which attention should be paid
to the following items:
1. In the first 250 km of running-in, loading is strictly prohibited, and the engine speed
can never exceed 2,000 r/min.
2. The load shall not exceed 50% of the rated load capacity within the running-in
period of 800km and 75% after 800 km.
3. Drive the truck on a level and hard road with minor slope throughout the running-in
period.
4. Run the engine under a proper light load or idly for a while to warm it up after
starting it.
5. It is strictly prohibited for the engine to idle for a long time, and the idle speed
should not exceed 5 minutes before the operation with load, otherwise the engine
will be damaged (except when the full-power PTO is selected to operate with
load).
6. Never drive the truck at a constant speed for a long time.
7. Properly use the transmission gears to avoid overloading the engine.
8. Often note the indication of the engine oil pressure (check low oil pressure alarm
lamp) and the coolant temperature.
9. Check the engine lubricating oil level and coolant level regularly.
10. For the truck employing flexible cowl in cooling system, check the clamp of flexible
cowl for looseness and re-tighten it if necessary.
11. Drive the truck properly, avoid abrupt braking, and properly use engine exhaust
braking.
12. Never shut down the engine abruptly after it has been running at high speed or
under heavy load for a long time. Keep the engine running idly after driving, and
shut it down after it is cooled.
13. Check whether the wheel nuts are loose within running-in, and if so, tighten the nut
to the torque of 550-650 N·m.
14. In running-in period 200-300km, re-tighten wheel bolt.
CAUTION:
1.Re-fasten the wheel nuts after running 200~300km.
2.After running-in of the new truck, please perform running-in
maintenance in the nearest technical service center (station)
authorized by Dongfeng Commercial Vehicle Co., Ltd in accordance
with the provisions in Dongfeng Commercial Vehicle Quality
Assurance Manual.

Precautions
D760.H03E-001.H1907 7
Standard Operation
In order to prolong the service life, gain higher economic benefit, and guarantee
the travel safety, the following should be noticed during the vehicle operation:
1. When operating the truck, turn on the master power switch, and then make sure
that the gear lever is at neutral position in the low range.
2. See Parts for engine start.
3. Do not increase the engine speed too fast if the engine temperature is low;
otherwise the wear of engine moving parts will be aggravated.
4. Never move the truck before the brake system pressure reaches and exceeds the
stipulated pressure (the air pressure gauge pointer not in the red zone) when the
parking brake indicator lamp is off.
5. The truck under heavy load must be started at first gear.
6. It is strictly prohibited to coast the truck at neutral gear with engine stalled.
7. Avoid full throttle start and emergency braking. Full throttle start will result in clutch
damage or uneven tire wear, while emergency braking will accelerate the wear of
tires and brake linings.
8. Avoid sharp turn at high speed.
9. Never overload the truck since it may shorten its service life.
WARNING:
The user should operate the truck in strict accordance with the User's
Manual, and the nominal load capacity and gross mass specified in the
manual shall never be exceeded. Overload may result in vehicle malfunc-
tion and damage and even personal injury.
10. When cleaning the truck, avoid the entry of water into the fuel tank.
11. Never turn off the master power switch when the engine is running; make sure to
turn off the switch after the truck enters into the yard and stops.
12. Before tilting the cab, make sure to check for any object that is easy to get upside
down inside the cab. And remove such objects if any.
13. When maintaining or adjusting the electrical system, make sure to switch off the
main power before replacing any electric elements. Never perform any operation
with power on.
14. Never replace the fuse or fusible link with copper wire; do use stipulated fuse.
15. Never check the electrical system by testing the live wire through short circuit.
16. Any removed or replaced assembly must be refitted.
17. Protect the electronic control unit of the truck as follows before performing welding
on the truck:

Precautions
8D760.H03E-001.H1907
For the truck equipped with mechanical master power switch:
Specific operation steps:
a). Shut down the engine and disconnect the master power switch.
b). Disconnect the positive and negative power cables of the battery, and connect
them reliably as shown in Fig. b.
c). Turn on the master power switch.
d). Perform welding.
e). After the welding work is completed, restore the connection of power cables of
battery as shown in Fig. a.
WARNING:
1.Prevent power short circuit while disconnecting and connecting the
power cables.
2.Restore all wirings after the welding.
3.Failure to perform welding in this way may result in irremediable defect
of vehicle electronic devices.
1. Negative power cable of battery 2. Positive power cable of battery

Precautions
D760.H03E-001.H1907 9
Safety Precautions
WARNING:
Failure to observe the requirement with a warning mark will result in seri-
ous personal injury or property loss.
1. According to article 48 of the road traffic safety law of the People's Republic of
China: "the load of a motor vehicle shall conform to the approved load quality, and
overload is strictly prohibited". The user should operate the truck in strict
accordance with the User's Manual, and the nominal load capacity and gross
mass specified in the manual shall never be exceeded. Overload may result in
vehicle malfunction and damage and even personal injury.
2. Make sure to observe the operation specifications to protect truck electronic
equipment during welding; otherwise it will result in damages of the truck
electronic devices.
3. The seat belt can be used by one person only. Adult and kid are prohibited to
share one belt. The whole seat belt should be replaced if any component comes
into failure or damage. Make sure that the belt is not intertwined, clear of hard
edges and free from chemical pollution. And always adjust the belt length
according to the body; otherwise hazard will be caused.
4. When parking the truck, be sure to move the manual valve control lever to locking
position; otherwise, the truck may move, which will lead to damage or even
personal injury. The spring brake can only be released in emergency. After that,
the fault must be eliminated and the parking brake shall be restored. The truck
without parking brake is dangerous, and it may result in an accident.
5. Adjusting the position of the steering wheel is strictly prohibited during driving.
6. Always park the truck on a level ground before tilting the cab. Check for sufficient
space when tilting the cab inside. Check that the manual valve control lever is at
braking position, and gear lever is at neutral position, and chock the tires. Put
away the scattered objects inside the cab and those which are easy to fall during
cab tilting. The cab must be tilted to proper position, with the center of gravity tilting
over the support point to avoid the cab to slide accidentally. Do not turn the
reversing handle after cab tilting. It must be in proper position when the cab lowers
to the original place.
7. Do not touch the gear lever while the engine is running after cab tilting, and do not
lower the cab while the engine is running.
8. Never connect the cigar lighter for a long period. It must be drawn out manually if it
fails to pop out automatically.
9. The filler cap of auxiliary water tank can be removed only after the coolant
temperature is below 50ºC, otherwise, the spraying of high temperature coolant or
steam may cause personal injury. Before removing the coolant filter, please
remove the filler cap of auxiliary water tank and close the shutoff valve; otherwise,
hot coolant may be sprinkled to cause personal injury.
10. Never replace the fusible link (fuse) with ordinary conducting wire or fusible link of
other specifications.

Precautions
10 D760.H03E-001.H1907
11. Make sure to use only the oils and greases stipulated in this manual; otherwise it
may cause the truck malfunction, damage and even personal injury.
12. If the alarm lamp stays on or flashes when the engine is running, then it indicates
that some part is in trouble. In this case, please contact the Technical Service
Center (Station) authorized by Dongfeng Commercial Vehicle Co., Ltd as soon as
possible.
13. Friction pad and brake disc should use original parts, otherwise it will bring serious
consequences;
14. Never extend the head and hands outside the window when the power window is
rising. In this course, if the body or other objects are nipped between the window
and door frame, always move the glass downward immediately. When operating
the power glass regulator switch on the passenger's side, the driver shall ensure
that there is no obstacle affecting the correct closing of the window.
15. Do not place corrosive articles or hard pointed objects into the storage box. And no
heavy load is allowed on the storage box cover.
CAUTION:
Failure to observe the requirement with a caution mark will result in per-
sonal injury or damage to component assembly or complete vehicle.
1. Observe the truck operation specifications strictly.
2. Check that all doors are closed properly before starting the truck. Always lock the
door only with a key when you are outside the vehicle; never lock the door by
moving the lock knob forwards while pressing the outer unlocking button to close
the door.
3. The master power switch shall never be turned off when the engine is running.
Never turn the key to START position when the engine is running to avoid
damaging the starter.
4. Never use the washer without washer fluid.
5. When the A/C compressor needs to be restarted after being shut off, please wait
for 3-5 min; otherwise, the service life of the compressor will be affected.
6. For the sake of safety, do close the ash tray before leaving the truck.
7. When getting power via the working lamp socket, the electrical load is strictly
prohibited to exceed the nominal capacity of the socket.
8. Trailer connection should be done in flat place, make the parking brake working
and fix the wheels by triangular stopper. When connecting the connector with
tractor, make sure the right pipes are connected.
9. Before adding coolant, check the engine and the radiator for leakage, and repair it
if any. It is recommended to use long-life antirust and anti-freeze coolant. Never
use the running water or hard water from well or river.
10. Normally do not screw off the pressure valve cap of the auxiliary water tank; if it is
necessary to do so, be careful to avoid scalding.
11. Check the engine oil level only when the truck stops. Make sure to drain the
lubricating oil off after the engine completely stops. Note the hot oil to avoid scald
during the oil draining.