XVI Crankcase
Preparatory data------------ 16.1
Fault diagnosis--------------16.2
Crankcase--------------------16.3
16.1 Preparatory Data
Precautions on Operation
Attention: Crankcase is a thin-wall casting part. Avoid impact on it during operation in case it may be
distorted or broken.
Clean carefully all the components before inspection and test and purge them with high-pressure gas.
Drain the lubricating oil from crankcase before working on it.
Function of crankcase: Crankcase is the force bearing part of engine. It is mainly used to
support crankshaft, clutch, transmission, cylinder block and cylinder head. It bears impact from
combustion and inertia force from movement of crankshaft connecting rod; and forms a partial
enclosed space (for air and oil).
Suspension hole is set on the crankcase, which can be connected with the suspension hole in the vehicle block so that
the engine can be linked together with frame and other parts.
Basic data Unit: mm
Tools
Universal fixer Clutch spring compressor
Screwdriver rod Socket wrench
uide rod Bearing screwdriver
Attention: Crankcase is a thin-wall
casting part. Avoid impact on it during
operation in case it may be distorted or
broken.
Clean carefully all the components
before inspection and test and purge them
with high-pressure gas.
Drain the lubricating oil from
crankcase before working on it.
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