IBM Thinkpad A21e A22e I 1800 Manual

1100 CPU
NoteThis section is only for MT2655-45x, 46x, 47x, 48x,
4Ax, 55x, 56x, 57x, 58x, 5Ax, 65x, 66x, 67x, 95x,
96x, 97x, 98x, 9Ax, A5x, A6x, A7x, A8x, AAx, B5x,
B6x, B7x, E7x, F7x, M7x, P7J, PAJ.
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 57
v“1020 Backup battery”on page 58
v“1030 Hard-disk drive”on page 60
v“1060 Ultrabay 2000 device”on page 66
v“1070 Keyboard”on page 67
v“1080 Keyboard CRU insulator”on page 72
v“1090 Fan assembly”on page 73
Rotate the head of the screw (A)...

When installing:
1. When attaching the CPU to the socket, do as shown in
the step
1in this figure.
2. Rotate the the head of the screw (A) to the direction of
the arrow
2to lock the CPU.
2A1
Removing and replacing a FRU
78ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664) 

1110 PC Card slot assembly
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 57
v“1020 Backup battery”on page 58
v“1030 Hard-disk drive”on page 60
v“1060 Ultrabay 2000 device”on page 66
v“1070 Keyboard”on page 67
v“1080 Keyboard CRU insulator”on page 72
11
2
Step Screw (quantity) Torque

1M2.0×13.5 mm, nylon-coated (4) 24.5 Ncm
(2.5 kgfcm) Removing and replacing a FRU
ThinkPad A21e, A22e, i 180079 

When installing the PC Card slot assembly, do as shown in
the figure.
Removing and replacing a FRU
80ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664) 

1120 Hinge cover
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 57
v“1020 Backup battery”on page 58
v“1030 Hard-disk drive”on page 60
v“1060 Ultrabay 2000 device”on page 66
v“1070 Keyboard”on page 67
v“1080 Keyboard CRU insulator”on page 72
1
Step Screw (quantity) Torque

1M2.5×14 mm, nylon-coated (3) 39.2 Ncm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad A21e, A22e, i 180081 

2
3
a
4
Step Screw (quantity) Torque

2M2.5×4.8 mm, nylon-coated (1) 39.2 Ncm
(4 kgfcm)
When installing, do as follows;
vInstall the hinge cover according to the procedure
3,

4and then tighten the screw
2. In procedure
3,
take care not to damage the lens.
vMake sure that all of the latches
aare firmly attached
and snap into place.
Removing and replacing a FRU
82ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664) 

1130 Keyboard bezel
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 57
v“1020 Backup battery”on page 58
v“1030 Hard-disk drive”on page 60
v“1060 Ultrabay 2000 device”on page 66
v“1070 Keyboard”on page 67
v“1080 Keyboard CRU insulator”on page 72
v“1120 Hinge cover”on page 81
1
Step Screw (quantity) Torque

1M2.5×3.5 mm, nylon-coated (3) 39.2 Ncm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad A21e, A22e, i 180083 

3
2
4
3
Step Screw (quantity) Torque

2M2.5×14 mm, nylon-coated (1) 39.2 Ncm
(4 kgfcm)

3M2.5×4.8 mm, nylon-coated (2) 39.2 Ncm
(4 kgfcm) Removing and replacing a FRU
84ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664) 

When installing, do as following;
vMake sure that the
a-part is firmly attached as shown
in the figure.
vMake sure that all of the latches of the keyboard bezel

bare firmly attached.
a
b
b
b
b
Removing and replacing a FRU
ThinkPad A21e, A22e, i 180085 

1140 Speaker
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 57
v“1020 Backup battery”on page 58
v“1030 Hard-disk drive”on page 60
v“1060 Ultrabay 2000 device”on page 66
v“1070 Keyboard”on page 67
v“1080 Keyboard CRU insulator”on page 72
v“1120 Hinge cover”on page 81
v“1130 Keyboard bezel”on page 83
For A21e series
1
2
Step Screw (quantity) Torque

1M2.5×14 mm, nylon-coated (2) 39.2 Ncm
(4 kgfcm) Removing and replacing a FRU
86ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)