Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 108
in order of, Tighten the screw
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Removing and replacing a FRU 4 (a) 3 4 (b) 4 (c) 5 Step 3 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (1) 4 M2 × 15 mm, nylon-coated (3) Torque 0.392 Nm (4 kgfcm) 0.245 Nm (2.5 kgfcm) When installing: When securing the screws, do as follows: 1. Secure the screw 3 temporarily. 2. Secure the screws 4 in order of (a), (b), and (c). 3. Tighten the screw 3 to secure the bracket and the fan assembly firmly. (continued) 104 MT 2652/2653/2654
4
4
4
3
5
(a)
(b)
(c)
Step
Screw (quantity)
Torque
±3²
M2.5 × 4.8 mm, nylon-coated (1)
0.392 Nm
(4 kgfcm)
±4²
M2 × 15 mm, nylon-coated (3)
0.245 Nm
(2.5 kgfcm)
When installing:
When securing the screws, do as
follows:
1.
Secure the screw
±3²
temporarily.
2.
Secure the screws
±4²
in order of
(a)
,
(b)
, and
(c)
.
3.
Tighten the screw
±3²
to secure the bracket and the
fan assembly firmly.
(continued)
Removing and replacing a FRU
104
MT 2652/2653/2654