Lenovo X301 - Manual (Page 110)

1100 Palm rest or palm rest with fingerprint reader
For access, remove these FRUs in order:
v
“1010 Battery pack” on page 83
v “1020 Optical drive or second battery or travel cover” on page 84
v “1030 Solid state drive (SSD) or hard disk drive (HDD)” on page 85
v “1070 Keyboard” on page 95
Table 19. Removal steps of palm rest
4
2
2
3
3
4
3 2
2
1
3
Step Screw (quantity) Color Torque
1 M2 × 3 mm, small-head, nylon-coated (1) Black 0.167 Nm
(1.7 kgfcm)
2 M2 × 6 mm, bind-head, nylon-coated (4) Black 0.167 Nm
(1.7 kgfcm)
3 M2 × 4 mm, bind-head, nylon-coated (4) Black 0.167 Nm
(1.7 kgfcm)
4 M2, shoulder, nylon-coated (2) Black 0.167 Nm
(1.7 kgfcm)
Note:
In models with the fingerprint reader, the sensor is attached to the palm rest
FRU. If the fingerprint reader has any defects, you can replace it by the
procedures given in this section, which are the same for a palm rest with or
without a fingerprint reader.
102 ThinkPad X301 Hardware Maintenance Manual