Tar River SRB-870 Instruction Manual page 11

7. Roller Chain and Sprocket
Roller chain transfers the power to drive pick-up. Friction clutch slips when overloaded,
preventing damage of pick up.
8. Chamber and Roll
Chamber is formed by rolls. Rolls rotate themselves and rotate bailing material for
making cylindrical material inside of chamber.
9. Spring (Tension Spring)
Spring gives proper tension to roller chain.
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