MAINTENANCE MANUAL OF GW4D20/GW4D20B TURBOCHARGED DIESEL ENGINES
2
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
(1) The schematic diagram shows what to do and where to do it, see Fig. 1-1-2.
(2) The title of the work task shows the content of repair.
(3) Explain in detail how to carry out the work content and provide other technical information, such as
specification and attention, note, etc., and the quantity and dimensions of fasteners.
For example:
Schematic diagram
What to do and where to do it
Title of work task: the content of repair
Mounting the clutch assembly
Using special service tools to mount the clutch
assembly.
Front bearing installer: 5-8522-0024-0
Tool No.
Detailed explanation: how
to carry out the work.
Torque: 23 N·
m ± 3 N·
m Specification
Check the assembly quality.
Fig. 1-1-2 Mounting the Clutch Assembly
This form provides a shortcut for the experienced technical personnel to obtain the data required. The
work task title on the top makes the content of repair clear at a glance, while the content below it
provides the detailed explanation. Important specification, attention, warning and caution always stand
out in ―boldface‖.
4. References
To improve lookup and work efficiency, this manual adopts references as few as possible; however, the
Section No. and Page No. are given when necessary.
5. Specifications
Specifications are listed separately when necessary. There is no need to leave your work for looking up
specifications. The specifications are listed at the end of every section for quick reference.
6. Warning, Attention, Caution, Prompt:
―Warning!‖ is shown in ―boldface‖ to remind the possibility of personnel injury to you or others.
―Attention!‖ is shown in ―boldface‖ to remind the possibility of damage to parts being repaired..
―Caution!‖ is shown with ―boldface‖ to remind the possibility of damage to diesel engine.
