3-11
CHAPTER 3 REPAIR PROCEDURES
108
106
1.Remove four screws which secure the overload
protection to the Monoblock. See Figure 5-5.
2.Unscrew fastener screws at formed chassis and
remove Monoblock with lever from formed chas-
sis. Some Monoblocks have 4 screws.
Note:
Hold Monoblock only at the front next to formed
chassis or at the rear.
3.Unscrew and remove three fastener screws (4) of
the Position Sensor assembly.
(See Figure 3-15).
4.Hold Contact Board (1) to ensure the fine coil
wires cannot tear off, then remove Screw (2),
Figure 3-14.
5.Remove Contact Board from holder and screw
onto Lever (3), Figure 3-14.
6.Remove one screw (T8) attaching Temperature
Board to underside of Monoblock magnet as-
sembly and remove Temperature Board from the
magnet assembly.
7.Insert the centering pins (1Aand 1B) from the
service tool set in the holes provided. See Figure
3-15.
NOTE: A screw may be installed in the hole (1A), this
is additional overload protection. Turn it 1/4 turn and
remove it.
8.Remove screw (4) from Load Cell Board and
remove Load Cell Board Temperature Board
Assembly and Position Sensor Assembly.
9.Carefully undo Nuts (2) in the direction shown by
the arrow while holding the SCREW HEADS to
prevent movement.
CAUTION:
Load Force Coil Lever only in the direction shown by
the arrow to ensure the Flexible Bearings are not
compressed.
10. Note the position of the Vertical Adjustment
Screw (3). Turn Vertical Adjustment Screw so
that the Lever can be withdrawn.
11. Take out Centering Pin (1A) and (1B).
12. Carefully withdraw Force Coil Lever.
1B
3.1.16 Removing the Force Coil Lever Assembly from Monoblock in Precision Top Loader
Figure 3-13. Monoblock Assembly.
110
FORMED CHASSIS
Figure 3-14. Contact Board Removal.
4
1
3
2
1A
2
3
Figure 3-15. Force Coil Lever Removal.
4
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