Chain Drive System - Meridian SEED EXPRESS Series Operator's Manual

5. If the old belt cannot be used:
a. Remove the discharge hood and lower the
galvanized belt guards.
b. Install the new belt and connect the two
ends together.
6. Tighten the two drive drum adjusting bolts
equally to 23 ft-lbs. While holding the
adjusting bolt in place, retighten both locking
nuts.
7. Start the conveyor to make sure the belt is
tracking properly. If the belt is not tracking
properly, use the Belt Tracking Adjustment
procedure to correct the problem.
8. Recheck the tension and alignment of the
beltfrequentlyduringthefirsttenhoursof
operation and adjust, as needed.
NOTE: Then, resume regular maintenance.
Typically,abeltwillseatitselfduringthefirstten
hours of operation and then require less or no
adjustment.
48

10.6 CHAIN DRIVE SYSTEM

The rotating platform chain should be periodically
maintained to ensure a long service life. Regularly
inspect the chain for potential problems and to
avoidprematurefailure.Earlyidentificationofa
problem is crucial to prevent costly downtimes.
1. The chain drive will operate successfully with
little or no lubrication beyond the initial factory
lubrication. However, periodic lubrication will
greatly extend the functional life of the chain
drive. The chain drive requires lubrication for
four purposes.
a. To resist wear of the pin-bushing joint.
b. To cushion impact loads.
c. To lubricate chain-sprocket contact
surfaces.
d. To retard rust or corrosion.
2. Lubricate the chain with a good grade of clean
petroleum oil without additives. The oil should
befreeflowingfortheambienttemperaturein
which the seed tender is operating.
Recommended Grade Temperature,
SAE 5
SAE 10
SAE 20
SAE 30
SAE 40
SAE 50
F
o
-50 to + 50
-20 to + 80
+10 to +110
+20 to +130
+30 to +140
+40 to +150