AMT Datasouth XL 300 SERIES, Maintenance Manual

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6. Remove the idler shaft (141) from the remaining right angle bracket (139) and
unhook the tensioning spring (129) from the spring bracket (128).
7.
Remove spring bracket (128) (if it is to be replaced) by removing two screws (130)
securing it to the left endplate (144).
8.
Apply a light grease to the shaft prior to installation.
9.
Replace in reverse order.
10. See Paragraph 4.5.18 for procedure to replace left carriage drive cable (117).
11.
The carriage cable should track perpendicular to the pulley axis.
4.5.20: Fixed Idler Pulley Assembly Removal and Replacement - Figure 4.9
To remove the fixed idler pulley assembly from the right endplate:
1 .
Remove the carriage drive cables (see Paragraph 4.5.18).
2.
Remove the two screws (106) which attach the fixed idler bracket (96) to the right
endplate (82). Set the defective assembly aside.
3.
Replace in reverse order.
4.
Restring the carriage drive cables and check the alignment of the fixed idler pulley.
Figure 4.9: Fixed Idler
4-20