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Model 8720/8865 -18-
The LH and third auger chain drive is automatically
tensioned by a spring loaded heavy compression
spring and sliding idler sprocket assembly, figure 9.
The heavy compression spring should be compressed
to 4”
in length.
Manual adjuster bolt for the automatic tensioning idler
assembly is located slightly right of center on the
spreader tank.
FIGURE 9. LH & THIRD AUGER CHAIN
DRIVE
IDLER
SPROCKET
LH AUGER
SPROCKET
ROLLER
CHAIN
COMPRESSION
SPRING
IDLER SPROCKET
ADJUSTER BOLT
THIRD AUGER DRIVE
SPROCKET
FIGURE 10. RH AUGER CHAIN DRIVE
SPRING LOADED
ADJUSTER
IDLER NYLON
ROLLER
ROLLER
CHAIN
RH AUGER
SPROCKET
The RH auger chain drive, figure 10, is automatically
tensioned by a spring loaded idlernylon roller. The com-
pression spring should be compressed to 4.5"
in length.
See figure 10.
To increase tension on the automatic tightener, tighten
the adjuster bolt located at the right side of the
spreader.
FIGURE 11 . THIRD CHAIN DRIVE
TENSIONER
ARM
ROLLER CHAIN
IDLER NYLON
ROLLER
The third chain drive is automatically tensioned by a
spring-loaded nylon idler roller. The compression spring
should be compressed to4.5"
inlength. Seefigure 11.
To increase tension on the automatic tightener, tighten
the adjuster bolt located at the left side of the spreader.