Lenovo 1953D7U Hardware Maintenance Manual page 94

Removing and replacing a FRU
v Attach the fan bracket.
v Secure the screws in order as shown in this figure.
88
MT 1951, 1952, 1953, 1954, 1955, 1956, 2007, 2008, 2009, 2613, 2623, and 2637
Attention: Do not use an electric screwdriver to secure these screws.
2
3
4
5
1