Yuchai YC08-8 User manual

1
INDEX
1. Prolegomenon------------------------------------------------------------1-1
To user-----------------------------------------------------------------------------------------1-2
Product Information ------------------------------------------------------------------------1-3
Machine direction ---------------------------------------------------------------------------1-5
Machine configuration----------------------------------------------------------------------1-6
Technical standard--------------------------------------------------------------------------1-7
2. Safety Measures--------------------------------------------------------- 2-1
General Rules -------------------------------------------------------------------------------2-2
Safety Tips--- --------------------------------------------------------------------------------2-3
Safety Equipment ---------------------------------------------------------------------------2-4
Safety Signs----------------------------------------------------------------------------------2-5
Work area safety---------------------------------------------------------------------------2-13
Safety Operation --------------------------------------------------------------------------2-14
Parking for servicing ----------------------------------------------------------------------2-24
Prevent fire, blast and poisoning ------------------------------------------------------2-25
Battery ---------------------------------------------------------------------------------------2-26
Hydraulic System -------------------------------------------------------------------------2-28
3. Parts Introduction -------------------------------------------------------3-1
Operating device----------------------------------------------------------------------------3-2
Safety Locking parts------------------------------------------------------------------------3-3
Operating Switch----------------------------------------------------------------------------3-4
Adjust the chassis-------------------------------------------------------------------------3-5
Instrument board----------------------------------------------------------------------------3-6
Platform Lock framework------------------------------------------------------------------3-7
Operation of the work equipment and slewing device------------------------------3-8

2
Throttle Lever---------------------------------------------------------------------------------3-9
Druver’s seat-------------------------------------------------------------------------------3-11
Safety belt -----------------------------------------------------------------------------------3-12
4. Operating guide
Preparative before operating-------------------------------------------------------------4-2
Engine Operation ---------------------------------------------------------------------------4-3
Enter & exit machine------------------------------------------------------------------------4-7
Machine moving-----------------------------------------------------------------------------4-8
Machine turning----------------------------------------------------------------------------4-10
Machine slewing----------------------------------------------------------------------------4-11
Operating work equipment--------------------------------------------------------------4-12
Operating on the slope or in the water------------------------------------------------4-14
Escape from Muddy area----------------------------------------------------------------4-15
Operating guide ---------------------------------------------------------------------------4-16
Removing & Installing the Bucket -----------------------------------------------------4-19
Parking machine---------------------------------------------------------------------------4-20
After Operation-----------------------------------------------------------------------------4-21
Loading &Transport the Machine -----------------------------------------------------4-22
Operating under the Cold/Hot Weather ----------------------------------------------4-26
Store machine------------------------------------------------------------------------------4-27
Technical problem causes and solve step ------------------------------------------4-29
5. Maintenance---------------------------------------------------------------5-1
General information of maintenance----------------------------------------------------5-2
Maintenance Outlines- --------------------------------------------------------------------5-4
Force changing part-------------------------------------------------------------------------5-6
Oil choosing list ----------------------------------------------------------------------------- 5-7
Torque -----------------------------------------------------------------------------------------5-8
Periodic Maintenance schedule--------------------------------------------------------5-11

3
Routine Check -----------------------------------------------------------------------------5-13
Engine Fuel System ----------------------------------------------------------------------5-14
Engine Cooling System ------------------------------------------------------------------5-16
Engine Lubricating System -------------------------------------------------------------5-19
Engine Air Intake System ---------------------------------------------------------------5-21
Other Maintenances of Engine --------------------------------------------------------5-22
Hydraulic System ------------------------------------------------------------------------- 5-23
Reducer ------------------------------------------------------------------------------------- 5-28
Crawler---------------------------------------------------------------------------------------5-29
Idler, Upper roller and Front idler-------------------------------------------------------5-30
Lubricate-------------------------------------------------------------------------------------5-31
Washing the floor mat---------------------------------------------------------------------5-32
6. Attachment Guide-----------------------------------------------------6-1
Safety Item------------------------------------------------------------------------------------6-2
Installation & disassembly the Attachment--------------------------------------------6-4
Operating Guide-----------------------------------------------------------------------------6-5
Rock-Breaker Routine Check-----------------------------------------------------------6-10

Guangxi Yuchai Heavy Industry Co.,Ltd.

1-6
1.Buc ket 2.Buc ket cylind er 3. Arm 4. Arm cylind er
5.Boom 6. Boom c ylinde r 7. Doze r cylind e r 8. Driving whe e l
9.Cra wler 10. Font Idle r 11. Bull doze r pla te

YC0 8 -8
kg
m
kw/min-1
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
km/h
rpm
3
A
B
C
D
E
F
G
H
J
L

0.02
1.5
2.7
7.8
17
36

The manual provides the security notices, signs and potential dangers conditions, the
operators are required to carefully read this manual and the attached signs on the
machines, and should work as per the related process.
The safety tips of this machine shall be expressed as: Danger, Caution and Notice,
the explanations of these words are as follows:
Danger: It indicates that it can lead to casualty and serious hurts if the danger
happens. It only appears in the most dangerous occasions.
Caution: It indicates that it can lead to casualty and serious hurts if the potential
danger happens.
Notice: It indicates that it may lead to lower and medium hurts if he potential
danger happens. And it can also give the advice of risky operation.

B.Safety Signs with Character
This kind of safety sign is configured with
pictures and explanative words. It can be
used in the place where cannot explain the
safety information enough only with the
pictures.

2.The position of the warning signs
Safe signs is the part of "safe marking" of all signs only. The rest function signs introduces in
the behind the chapter