ADCS-601-AF™ OPERATION AND MAINTENANCE MANUAL
© 2005 - 2007 DH Instruments, a Fluke Company
Page 116
accessed and manipulated. Remove the lower mounting post following the
instruction in Section 6.3.2, but do not remove the piston-cylinder.
Observe the value of
<N>
on the
ADCS Tools FPG Run Screen
(see Section
4.3.6.2). This is the output of the FPG8601 load cell. Alternate the four methods
until the output of the load cell is consistently stable ± 1 or 2 counts. Then install
the lower mounting post and start the FPG8601 by pressing the
[On]
button on
the
ADCS Tools FPG Run Screen
. The FPG8601 output (display of
<N>
)
should increase and then stabilize again ± 1 or 2 counts. If it does not, remove
the lower mounting post and repeat the process.
METHOD 1:
CYLINDER MANIPULATION
Hold the cylinder. Gently move it up and
down while rotating it. The movement is
very limited. Do not force it
.
METHOD 2:
LIFT AND DROP
Put a finger under each of the piston
retaining nuts. Gently lift the piston
compressing the load limiting springs
on the piston connecting rods. The
movement is very limited. Do not force
the piston up. Once the piston is up,
let it drop down abruptly.
METHOD 3:
PULL DOWN AND RELEASE
Hold the piston retaining nuts. Gently
pull the piston down compressing the
load limiting springs on the piston
connecting rods. The movement is
very limited. Do not force the piston
down. Once the piston is down,
release it suddenly.
METHOD 4:
STRUM
Place an index finger on the circular
bearing on the side of the gimbal ring.
Lighly “strum” the bearing to cause a
small amount of movement and let the
ring return naturally. The movement
is very limited. Do not force it.
