IBM MTM 2145-12F, Hardware Installation Manual

Page: 163 / 214

CAUTION:
The weight of this part or unit is more than 55 kg (121.2 lb). It takes specially
trained persons, a lifting device, or both to safely lift this part or unit. (C011)
CAUTION:
To avoid personal injury, before lifting this unit, remove all appropriate
subassemblies per instructions to reduce the system weight. (C012)
Note:
Perform the following procedure only if directed to do so by IBM Remote
Technical support or by a fix procedure in the management GUI.
This task assumes that the following conditions are met:
v All power cables were removed from the enclosure, as described in “Powering
off the expansion enclosure: 2145-92F” on page 143.
v All SAS cables were removed, as described in “Removing and installing a SAS
cable: 2145-92F” on page 97.
v The following FRUs were removed from the enclosure, as described in the
applicable tasks:
– Top cover (“Removing the top cover: 2145-92F” on page 56)
– Drives (“Removing a drive: 2145-92F” on page 114)
– PSU (1U) fascia (“Removing the fascia: 2145-92F” on page 94)
– Power supply units (“Removing a power supply: 2145-92F” on page 112)
– Secondary expander modules (“Removing a secondary expander module:
2145-92F” on page 117)
– Expansion canisters (“Removing an expansion canister: 2145-92F” on page
122)
– Fan modules (“Removing a fan module: 2145-92F” on page 123)
v The expansion enclosure was removed from the rack, as described
in “Removing an expansion enclosure from a rack: 2145-92F” on page 104.
v A suitably rated mechanical lift is available to support the weight of the
enclosure.
About this task
The expansion enclosure (FRU 01LJ112) contains the drive board, signal
interconnect board, and internal power cables. If a fault with the drive board or the
intercanister link is suspected, you can replace the enclosure. However, you can
remove the parts from the old expansion enclosure and reinstall them in the
replacement enclosure.
Procedure
1. Remove the front display (4U) and PSU (1U) fascia from the old enclosure, as
described in “Removing the fascia: 2145-92F” on page 94
33.6-46.3 kg (74-102 lbs) 46.3-61.7 kg (102-136 lbs)
61.7-100 kg (136-220 lbs)
> _
svc01053
Chapter 4. Installing an optional 5U SAS expansion enclosure
129