Card Gate Fan Assembly Terminal Block (Tb2) - IBM System/34 Maintenance Manual

10-090 CARD GATE FAN ASSEMBLY TERMINAL
BLOCK (TB2)
Removing TB2
1.
Set Power to 0 (operator panel).
2. Set CB1 off (see paragraph 05-310 for the
location of CB 1).
DANGER
CB1 must be off to remove AC voltage from
this circuit.
3. Remove the two screws. and the cover
O.
4. Disconnect the fan wires. and supply wires
O.
5. Remove the two screws
G
and the terminal block
G).
12
10-090
Reinstalling TB2
1. Locate the two screws
G
through the terminal
block
G)
and tighten.
2. Connect the fan wires. and supply wires
O.
3. Locate the screws. through the cover
0
and
tighten.
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