17
3. Install the new blade.
Slide the new blade onto the pole,
locking it into the far blade pin, then reinstall the removed
blade pin, washer and clip (Fig. 3).
4. Reset the correct blade tension. Refer to the chart for the
spring length/PSI required for the belt width. For QMT lightly
pull the pivot arm toward the end of the torque arm slot
nearest the pole and turn the adjusting nuts until the required
spring length is achieved (Fig. 4).
NOTE: The chart is also on the cleaner’s pivot shaft bracket for
future reference for retensioning maintenance.
Fig. 3
Test run the cleaner. Run the conveyor for at least 15 minutes and inspect the cleaning performance. Check the
spring length for proper tensioning. Make adjustments as necessary.
Slide blade
into far side
blade pin
Section 6 - Maintenance (cont.)
Spring Length Chart
Blade
Width
Purple
Springs
White
Springs
Gold
Springs
Silver
Springs
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
450
18"
117
4 5/8"
152
6"
159
6 1/4"
6 1/2"
600
24"
102
4"
149
5 7/8"
159
6 1/4"
162
6 3/8"
750
30"
N/A
N/A
143
5 5/8"
156
6 1/8"
162
6 3/8"
900
36"
N/A
N/A
140
5 1/2"
152
6"
159
6 1/4"
1050
42"
N/A
N/A
133
5 1/4"
149
5 7/8"
159
6 1/4"
1200
48"
N/A
N/A
130
5 1/8"
146
5 3/4"
155
6 1/8"
1350
54"
N/A
N/A
124
4 7/8"
143
5 5/8"
155
6 1/8"
1500
60"
N/A
N/A
121
4 3/4"
143
5 5/8"
155
6 1/8"
1650
66"
N/A
N/A
N/A
N/A
140
5 1/2"
152
6"
1800
72"
N/A
N/A
N/A
N/A
137
5 3/8"
152
6"
1950
78"
N/A
N/A
N/A
N/A
133
5 1/4"
149
5 7/8"
2100
84"
N/A
N/A
N/A
N/A
130
5 1/8"
149
5 7/8"
2150
90"
N/A
N/A
N/A
N/A
N/A
N/A
146
5 3/4"
2400
96"
N/A
N/A
N/A
N/A
N/A
N/A
143
5 5/8"
2550
102"
N/A
N/A
N/A
N/A
N/A
N/A
140
5 1/2"
2700
108"
N/A
N/A
N/A
N/A
N/A
N/A
140
5 1/2"
2850
114"
N/A
N/A
N/A
N/A
N/A
N/A
137
5 3/8"
Shading indicates preferred spring option.
Fig. 4
Top of
washer
to top of
torque arm
ADJUSTING
NUTS
Pressure Chart
Blade
Width
MPa PSI*
mm.
in.
450
18"
.034
5#
600
24"
.041
6#
800
32"
.055
8#
900
36"
.062
9#
1050
42"
.076
11#
1200
48"
.090
13#
1350
54"
.097
14#
1500
60"
.110
16#
1650
66"
.117
17#
1800
72"
.131
19#
1950
78"
.145
21#
2100
84"
.152
22#
2250
90"
.165
24#
2400
96"
.172
25#
2550
102"
.186
27#
2700
108"
.193
28#
2850
114"
.207
30#
* PSI setting is based on the
belt width.
Содержание MMP Precleaner
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