Section 4 Disassembly and service
Crankshaft bearing
Assembly：
Assemble the bearing in with following the tool
after applying engine oil.
Assembly lever
52×55 mm outer retainer assembler
Assistant assembler
Gear on the crankshaft
Disassembly：
Mark a line on the crankshaft and a timing gear.
Set the commercial available bearing puller plate
on the lower part to the governor drive gear and
remove the crankshaft and timing gear by manual
compressor. Disassemble the governor drive gear
in the same way.
Assembly：
Timing gear
Using the old gear for reference, make a mark at
the same position on the new gear. Using a
hydraulic press, lever and inner retainer assembler
(the special tools shown,), press the timing gear
onto the crankshaft after aligning old and new
gears mark flush.
Governor drive gear
Use a hydraulic press lever and inner retainer
assembler (special tool) to press in a new
governor drive gear.
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