13Repair Manual PS-6400/PS-7300/PS-7900
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Removing the brake spring
Disassembly
Secure the engine unit against slipping.
Disassamble the muffler.
Remove circlip 1.
Using the universal wrench as shown in the picture
and push against the spring pressure, while twisting
it back and forth slightly and pulling up. This will
lever the linkage from the pin.
Pull the disengagement mechanism 2 out of the
spring 3.
Pull the spring 3 out of the spring housing 4 and
pull the spring housing out of the housing.
Assembly
Before assembly, drive the slotted pin 5 out of the
housing with a mandrel (dia. 4 mm) in the direction
of the muffler.
Install the disengagement mechanism and insert
the grooved pin.
Important: The circlip 1 must be inserted in the
bottom groove.
Tool
03 CHAIN BRAKE
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