Changing Seeding Discs; Changing Coulter Discs - Tar River SAYA-507 Operator's Manual

1 Hour Check all fasteners and hardware including set screws in sprockets and bearing
collars and retighten as necessary.
8 Hours Grease bearings on roller and apply grease to torsion bar wheel mechanism.
As needed: Remove any crop residue, grasses, weeds, or debris wrapped around shafts discs
or rollers. This can cause bearings to overheat and lead to premature failure.
Always: Protect machine from weather. Never leave fertilizer in hopper. Do not leave
seed in hopper for more than 24 hours. Remove all fertilizer and seeds and thor-
oughly clean hoppers and lubricate all drive chains before storage.
Important
When replacing the discs, it is extremely important to remember that one of the disc hub has a left hand
thread and the other a right hand thread.
The threads can strip, if removed improperly.
Step 1: Remove Dust Cap
Step 2: Remove External Scraper Dust Cap
Step 3: Remove Hub Nuts
Step 4: Unscrew Hub from Disc support
Important
When replacing the discs, it is extremely important to remember that LEFT DISC HUB
has REVERSE (LEFT HAND) THREADS.. The RIGHT DISC HUB has normal RIGHT
HAND threads. If turned incorrectly, they can strip.
Step 5: Replace Discs and reassemble
Changing Discs
Left Side Hub turn Clockwise to loosen and turn Counter-Clockwise to
tighten.
The Right side hub turn Counter-Clockwise to loosen and Clockwise to
tighten.
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