TM 5-3895-373-20
A.
CHECK - Continued.
2.
CHECK DRIVE CHAIN TENSION.
a.
Check for drive chain slack at midspan of left
and right drive chains.
b.
Measure slack with steel rule. Adjust chain
tension if slack is greater than 3/4 in. (20
mm).
B.
ADJUST.
1.
ADJUST DRIVE CHAIN TENSION.
NOTE
Perform the following steps for the side to
be adjusted. Both left hand and right
hand auger/conveyor drive chains are
adjusted in the same manner.
a.
Loosen hex head cap screws (5).
b.
Loosen hex nut (6).
c.
Using the 11/2 in. combination wrench, turn
tension bolt (7) until drive chain has 1/2 to 3/4
in. (12 to 20 mm) deflection in middle. Hold
a machinist’s rule against inside of
auger/conveyor drive chain housing. Move
drive chain in and out to measure total drive
chain deflection.
d.
Hold tension bolt (7) and tighten hex nut (6) to
80 lb-ft (100 N•m) using a crowfoot wrench.
Position crowfoot wrench onto torque wrench
at a 900 angle in relationship to the torque
wrench handle.
e.
Retighten hex head cap screws (5) to 90 lb-ft
(122 N•m).
f.
Lubricate the drive chain in accordance with
TM 53895-373-12.
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