Chpter IV Mechanical System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
149
Fig. 4-3-2 Removing the rocker arm and
hydraulic clearance adjuster
Fig. 4-3-3 Removing the valve lock clamp,
valve spring
Fig. 4-3-4 Removing the valve, valve oil seal
Disassembly
Disassembling the rocker arm and hydraulic
clearance adjuster
①
(1) Take out the 16 rocker arms and hydraulic clearance
adjusters respectively from the cylinder head. See Fig.
4-3-2.
(2) Group the removed rocker arms and hydraulic
clearance adjusters according to cylinder sequence,
and make marks for the convenience of reinstallation.
Disassembling the valve lock clamp
②
Press down the valve spring with a special tool; or
remove the valve lock clamp with a hammer, a sleeve.
See Fig. 4-3-3.
Valve spring compressor: 9-8523-1423-0
Warning:
When removing, do prevent the valve
lock clamp from snapping out and hurting anyone.
Disassembling the valve spring
③
(1) Take out the 16 valve spring seats and valve springs
respectively from the cylinder head.
Check the valve spring and valve spring seat for
damage and deformation, and replace them if
necessary.
Disassembling the valve
④
(1) Take out the 8 intake valves and the 8 exhaust
valves respectively from the valve guide.
(2) Group the inlet/exhaust valves according to their
corresponding cylinders and make marks for the
convenience of reinstallation.
Disassembling the valve oil seal
⑤
Take out the 16 valve oil seals with a clamp or a valve
oil seal remover from the head of valve guide.
Valve oil seal remover: 5-8840-0373-0
Caution:
Do not reuse the removed valve oil seal.
Inspection and repair
Conduct necessary adjustment, repair and part
replacement if any excessive wear or damage is found
during inspection.
1. Valve spring
Valve lock clamp
Valve spring seat
Valve spring
Exhaust valve
Valve oil seal
Intake valve
