LOFTNESS GrainLogix GBU 12, Owner'S Manual And Parts Book

Page: 45 / 108

39 Grain Bag Unloader OM
Maintenance
Roller Drive Chain Inspection And
Adjustment
Roller Chain Inspection
WARNING:
Never attempt to make any
adjustments while the tractor engine is
running or the key is in the “ON” position in
the tractor. Before leaving the operator’s
position, disengage power to the machine
and remove ignition key.
Unlatch and open the roller drive door .
Check the chain deflection (1), (2) and (3) . Press on chain
at the location shown; the chain should be able to be
moved approximately 1/2 in . (12 .7 mm) .
If the chain deflection is more than 1/2 in . (12 .7 mm),
adjust chain(s) until the deflection is approximately 1/2
in . (12 .7 mm) .
Loosen the six nuts (1) and jam nut (2) . Tighten bolt
(3)until the deflection of the lower sprocket chain is
approximately 1 in . (25 .4 mm) .
Tighten jam nut securely against the stop . Tighten the six
nuts securely against the mounting plate .
NOTE:
Do not over tighten the chains. Overtightening
the chains will put undue stress on the chains
and other components of the roller drive.