Tandon TM-100-1 Operating And Service Manual page 89

5.13
5.13.1
5.13 .2
UPPER ARM ASSEMBLY (SINGLE-SIDED DRIVES ONLY)
Remove the Logic PCBA (see Section 5.2) .
Close the front door located in the front panel.
5.13.3 Using a three-sixteenth (3/16) inch th in wall nut driver, remove the two (2) nuts that attach the upper
arm and spring retainer to the Carriage Assembly (see Figure 5-26) .
5.13.4
5.13.5
5.13.6
5.13.7
Figure 5-26
Nuts for Upper Arm and Spring Retainer
Carefully lift off the spring retainer and spring (see Figure 5-27) .
Remove the Upper Arm Assembly.
Place the new Upper Arm Assembly on the two (2) set screws.
Carefully replace the spring and spring retainer (see Figure 5-27).
5. 13.8 Ensuring that the spring is seated on both ends, reinstall but do not completely tighten the two (2) set
screws that hold on the Upper Arm Assembly and the spring retainer.
5.13.9 Visually align the felt pad on the arm with the head (see Figure 5-28) .
5.13.1 O Tighten the two (2) set screws (see Figure 5-27) .
5.13.11 Insert a diskette into the disk drive.
5.13.12 Visually check to ensure that the felt pad clears the disk drive when the front door is opened (see
Figure 5-28).
5-30