3
4
4.2
[Fig. 4.2.1]
A
Fixed disc of
the pulley
<C> Rotation direction of
the pulley while in use
B
Sliding disc
C
Screw (M8)
(Pointed
Allen
screw)
D
Fixed disc
of the
pulley
<B> Pulley distance
<A> Fixed disc
must be
placed on
the motor
side.
E
Flat part
<E> The fixed disc has threads
and the sliding disc has
grooves.
<D> The fixed and the sliding discs can be fixed
in position relative to each other by threading
the setscrew through one of the two holes on
the sliding disc so that the tip of the setscrew
rests in the V-shaped notch on either of the
two flat parts of the fixed disc.
[Fig. 4.2.2]
A
FAN side pulley
B
Variable-
width pulley
C
Ruler etc.
α
1 =
α
2
Table 1 Variable-width pulley PC ø table
1
Number of turns to apply
0
1/4
1/2
3/4
1
1·1/4 1·1/2 1·3/4
2
2·1/4 2·1/2 2·3/4
3
3·1/4 3·1/2 3·3/4
4
4·1/4 4·1/2 4·3/4
2
Pulley distance (mm)
(0)
(0.4)
(0.8)
(1.1)
(1.5)
(1.9)
(2.3)
(2.6)
(3.0)
(3.4)
(3.8)
(4.1)
(4.5)
(4.9)
(5.3)
(5.6)
(6.0)
(6.4)
(6.8)
(7.1)
3
PC ø of variable-width pulleys for
1.5 kW motor
140.0 138.8 137.5 136.3 135.1 133.9 132.6 131.4 130.2 129.0 127.7 126.5 125.3 124.1 122.8 121.6 120.4 119.1 117.9 116.7
4
PC ø of variable-width pulleys for
2.2 kW motor
150.0 148.8 147.5 146.3 145.1 143.9 142.6 141.4 140.2 139.0 137.7 136.5 135.3 134.1 132.8 131.6 130.4 129.1 127.9 126.7
[Fig. 4.2.4]
K
K
K
K
K
Table 3 Pulley Parallelism
Parallelism
Pulley
K (min)
Remark
Cast-iron pulley
10 or less
Equivalent to offset of 3 mm
every 1 m
α
2
α
1
Ex: P500 type
[Fig. 4.2.3]
A
Motor base fixing bolts
B
Motor base sliding bolts
13
75
10.5
18
190
17
36
27.5
Belt Tension
L
<A> Deflection force W(N)
<B> L = 0.016×C C: Center distance (mm)
[Fig. 4.2.8]
A
Part A
B
Stopper
<A> Detailed View of Part A
[Fig. 4.2.5]
[Fig. 4.2.9]
Extention bar
[Fig. 4.2.6]
Ratchet handle/9.5mm (3/8")
[Fig. 4.2.7]
A
Fill opening
00gb_WT05474X02_7.book Page 3 Wednesday, July 22, 2009 5:29 PM
Summary of Contents for PFAV-P250-500-750VM-E
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