Page 1-45
REGULAR
MAINTENANCE
1
Check Every 140 Hours (Once a Week)
2.
Checking the belt tension
Measuring position
Measure it at the middle of the span.
Measuring method
Measure deflection (
δ
) of the belt by pressing it at the specified tension (F) with
a push-pull gauge.
Tension and deflection
Adjusting the tension
After the check, if the belt tension is not proper, move the pulley and adjust.
444C-E-MMA01-A06-03
0306C0AA
4H4C-505P
Tension (F)
Push-pull gauge
Deflection (
δ
)
Tension adjustment hole
Tension adjustment pulley
0305C0AA
443C-327E
r
o
y
e
v
n
o
c
d
r
a
o
b
t
f
e
L
r
o
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v
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t
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R
)
N
(
F
n
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s
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T
1
6
9
.
1
1
6
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.
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f
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D
δ
)
m
m
(
4
±
5
.
0
4
±
5
.
0
444C-408TE