Lenovo ThinkPad X220i Hardware Maintenance Manual - Page 93

Disconnect the fan assembly from the system board., the system board firmly.

Get Lenovo ThinkPad X220i PDF manuals and user guides View all Lenovo ThinkPad X220i manuals
Add to My Manuals
Save this manual to your list of manuals

Page 93 highlights

11 Disconnect the fan assembly from the system board. 16 15 14 12 13 Step 11 Screw (quantity) M2 × 3.5 mm, flat-head, nylon-coated (1) Color Silver Torque 0.181 Nm (1.85 kgfcm) When installing: • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubber b . • Make sure that the DC-in connector, the fan connector, and the pen switch connector are attached to the system board firmly. Chapter 8. Removing and replacing a FRU 87

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
11
Disconnect the fan assembly from the system board.
12
13
14
15
16
Step
Screw (quantity)
Color
Torque
11
M2 × 3.5 mm, flat-head, nylon-coated (1)
Silver
0.181 Nm
(1.85 kgfcm)
When installing:
•
Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams,
on the part marked
a
as in the following figure. Either too much or too less application of grease can
cause a thermal problem due to imperfect contact with a component. You need to peel the thin film
off from the rubber
b
.
•
Make sure that the DC-in connector, the fan connector, and the pen switch connector are attached to
the system board firmly.
Chapter 8
.
Removing and replacing a FRU
87