Lenovo ThinkPad 570E English - Hardware Maintenance Manual for 570 systems - Page 52

FRU replacement notices, Screw notices, The an IBM - thinkpad 570 drivers

Get Lenovo ThinkPad 570E PDF manuals and user guides View all Lenovo ThinkPad 570E manuals
Add to My Manuals
Save this manual to your list of manuals

Page 52 highlights

FRU replacement notices FRU replacement notices This section contains notices for removal and replacement. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. The an IBM ThinkPad computer address this problem with special nylon-coated screws that have the following characteristics: They maintain tight connections. They do not easily come loose, even with shock or vibration. They need additional force to tighten. They should be used only once. Do the following when you service this machine: Keep the screw kit (P/N 05K4841) in your tool bag. Always use new screws. Use a torque screwdriver if you have one. Tighten screws as follows: Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card: Torque driver If you have a torque driver, refer to the "Torque" column with each step. Make sure you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the 48 ThinkPad 570 and 570E Hardware Maintenance Manual

  • 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
FRU replacement notices
FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
Screw notices
Loose screws can cause a reliability problem.
The an IBM
ThinkPad computer address this problem with special
nylon-coated screws that have the following characteristics:
±
They maintain tight connections.
±
They do not easily come loose, even with shock or
vibration.
±
They need additional force to tighten.
±
They should be used only once.
Do the following when you service this machine:
±
Keep the screw kit (P/N 05K4841) in your tool bag.
±
Always use new screws.
±
Use a torque screwdriver if you have one.
Tighten screws as follows:
±
Plastic to plastic
Turn an additional
90 degrees
after the screw head
touches the surface of the plastic part:
±
Logic card to plastic
Turn an additional
180 degrees
after the screw head
touches the surface of the logic card:
±
Torque driver
If you have a torque driver, refer to the “Torque”
column with each step.
±
Make sure you use the correct screw.
If you have a
torque screwdriver, tighten all screws firmly to the
48
ThinkPad 570 and 570E Hardware Maintenance
Manual