Honeywell HERMetic UTImeter Gtex Chem IIC, Operation And Service Manual, Page: 42 / 83

50489/GTEX Chem IIC/1805 UTImeter Gtex Chem IIC
42
9.3.3. Disconnecting the tape from the reel
axle
− Unlock the housing lid and remove it.
− Remove the axle cover (3 screws to unscrew
with the 2.5 Allen key).
− Unscrew with the 2.5 Allen key the 4 screws
(K) of the washer holder, as shown on Figure
10-6.
− Remove the tape from the reel axle.
9.3.4. Removing the tape from the housing
− Remove the tape protection tube from the tape.
− Turn the tape cleaner in position "DOWN" to
free the tape.
− Pull the tape gently out of the tape cleaner.
− Pull the tape adaptor end out of the housing,
through the storage tube.
− Unscrew the reading index and remove it
(Figure 10-7).
− Slacken the tape a few turns from the reel axle.
− Remove the tape from the housing.
9.3.5. Mounting the new tape
− Install the new tape on the reel axle.
− Leave approximatively 20 cm of tape free at
the core.
− Make a loop (M) and a S-shape (L) with the
tape as shown on Figure 10-6.
− Pass the tape end through the axle core.
− Secure the gaskets and the washers mounted
on the tape in the axle core with the washer
holder and its 4 screws (K) as shown on Figure
10-6.
− On the electronic box side, adjust the black
oversleeve just to the edge of the tape holder
(pull the tape gently from the other side) and
tighten the tape end as shown on Figure 10-5
with.
− Follow in the reverse order the instructions of
sub-section 10.4.2 to re-install the electronic
box.
− If necessary, readjust the loop (M) and the S-
shape (L) of the tape at the core of the reel
axle.
− Follow the instructions of sub-section 10.4.4 in
the reverse order to pass the tape through the
tape cleaner, the storage tube and to mount
the tape protection tube on.
− Reinstall the reading index (Figure 10-7).
− Adjust the reading index as described in
section 10.11.
− Put back the axle cover and its 3 securing
screws.
− Follow the instructions of section 10.4 "Sensing
probe replacement" to re-install the sensor on
the tape.
− Carry out the functional tests as per 9.9
"Checking the functions before using the
instrument".
-
If there is any problem, refer to section 11
“Trouble shooting”
".
(K) securing screws (4 x)
(L) s-shaped stopping device
(M) tape loop
Figure 10-6
Figure 10-7