IBM 3745 21A Installation Instructions Manual page 11

Installation Instructions
IBML
10.4 CCU Enclosure Exchange
CAUTION:
The CCU enclosure can weight up to 37 kg (81.5
lb).
An additional person may be needed because of
the weight of the enclosure unit.
The first person is placed on the right side of the
enclosure, the second on the left side, and the
third, if needed, at the front of the enclosure
using the provided handhold.
Note: Ensure that all flat cables are protected
from damage during the CCU enclosure
exchange.
10.4.1 TCM Enclosure Removal
1. Remove the 4 screws
CCU enclosure.
2. Pull the complete enclosure partially out
of the 3745 (approximately 15 cm).
3745 PN 17G5534 EC C38405
FFBM 11 of 22 06APR93
1
securing the
EC C38405A EC D55799
17JUN93 16SEP94
3. From the rear of the 3745, attach the
handhold (PN 76F9076)
sure as shown on the figure below. This
will allow the third person involvement.
The handhold is clipped to the right and
left sides of the CCU enclosure (see view
B). Secure the handhold with the
attached pins.
4. Two persons grasp the enclosure
assembly by the handhold
SACL board. The third person, if
needed, grasps the front handhold
Slide the assembly out of the 3745.
5. Put the enclosure in a safe place.
6. Install 3 clamps (PN 34F1295) as follows:
Remove the clamp
clamp 9 cm (3.5 in.) to the left.
Remove the clamp
3 cm (1.1 in.) to the right.
Remove the clamp
1 cm (0.4 in.) to the right.
EC D55883 EC E27926
11MAY95 14MAR97
3
to the enclo-
2
and at the
3
.
4
, and stick a
5
and stick a clamp
6
and stick a clamp
11