Centering Pins In Ratio Beam - OHAUS PA64 Service Manual

3.3.32 Installing the InCal Weight Arm
6. Remove the pin securing the InCal
Weight Arm at the Magnet end.
7. Insert the pin just removed into the
hole below the one holding the first
centering pin. (See Figure 3-150.)
Do not use tools in this step. Install
8.
the screws, washers and nuts for the
Ratio Beam. Work gently, to avoid
stressing the Load Cell's internal
flexures.
9. After installing the screws, washers
and nuts by hand, hold the screw
head with a screw driver while
tightening the nuts for the Ratio
Beam. (See Figure 3-151.)
10. Turn the Up/Down Stop Screw to its
original position. (See Figure 3-152.)
11. Remove the Centering Pins. They
should fall out easily.
Move the contact board as shown
12.
in Figure 3-153.
not to break the wires on the board.
Note: The screw changes from
the upper to the lower hole on the
Contact Board before inserting it
into the hole on the Load Cell
frame.
Pioneer™ Balance Service Manual
CHAPTER 3 MAINTENANCE PROCEDURES
Be very careful
51
3-
Centering Pins
Figure 3-150. Centering pins in Ratio Beam.
Figure 3-151. Tightening Ratio Beam nuts.
Figure 3-152. Up/Down Stop Screw.
Contact
Wires
Contact
Board
Figure 3-153. Repositioning the Contact
Board and Screw.
Ohaus Corporation www.ohaus.com
Temporary
Screw
Hole
Contact
Board
Screw