John Bean T 7700 Manual Del Operador página 88

1
2
3
C
4
D
E
5
C
6
D
88
A
B
A
F
A
B
F
5.7.1
Operations
Wheel emergency Release
5.7
Tools required:
Tyre lever (1-A)
12mm diameter rod (1-B)
Figure 5.7.1
1. Switch off the machine and disconnect it from the
power and pneumatic supply lines.
2. Insert the lever in the correct position (1-A);
3. Insert the rod into the hole for the release tool
(2-B);
4. Turn the rod (3-A) anti-clockwise to release the
clamping force on the shaft.
5. Unscrew the knob and fl ange (4-C and D)and
remove them. Apply some tape (5-E) to the knob
to protect it from damage in the event of excessive
force.
6. Remove the fl ange (4-D) and then take the wheel
off the unit.
7. Once the faults have been fi xed, connect the
machine to the power and pneumatic lines, and
then activate the release control to remove the
shaft (6-F).
Reassembling the standard locking device
Figure 5.7.1 (6)
Clamp the shaft (F) in a vice fi tted with protective jaws
that will not damage the threaded surface.
Check that the fl ange assembly is intact.
Insert the lever (A) and rod (B) as shown in the fi gure.
Securely screw the fl ange (D) onto the shaft with the
lever (A).
Tighten the knob (C).
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