7
YZ-S4
InstructionManual
Part IV daily maintenance and replacement of vulnerable
parts
1
5 4 3 2
1. Main brush
2. Fixing nut of mainbrush side baffle
3. Main brush side baffle
4. Main brush connecting plate
（
2
）
Replacement of side brush
5. Whenthefixingnutofthemainbrush
connecting plate needs to be replaced
or cleaned, open the left door and screw
off the main brush connecting plate with
Glulam
When it is necessary to replace the side brush,
first put down the lifting rod of the side brush,
and then screw off the three bakelite nuts fixed
on the side brush to remove the side brush.
After changing the brush, screw on three
bakelite nuts to fix the side brush.
