Yanmar 2TNV70, Руководство по эксплуатации

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PERIODIC MAINTENANCE
TNV Operation Manual 79
Figure 4
2. If necessary, adjust the V-belt tension. Loosen
the set bolt (Figure 5, 1)) and move the
alternator (Figure 5, 2)) with a pry bar
(Figure 5, 3)) to tighten the V-belt.
Figure 5
3. Check the V-belt for cracks, oil or wear. If any
of these conditions exists, replace the V-belt.
4. When installing a new V-belt, refer to the New
V-belt Tension table. After making the initial
belt tension adjustment, run the engine for at
least 5 minutes. Then recheck the v-belt
tension using the measurements in the
Used
V-belt Tension table. Readjust as necessary.
Note: A “New V-belt” refers to a V-belt which
has been used less than 5 minutes on
a running engine.
0000652A
(A)
(B)
(C)
(A)
0000063A
(B)
(C)
New V-belt Tension
A B C
5/16 ~7/16 in
(8~12 mm)
3/16 ~5/16 in
(5~8 mm)
1/4 ~7/16 in
(7~11 mm)
(3)
(1)
(2)
0000653A
0000064A
(2)
(1)
(3)