T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P - 2
TASK 9. Replace Variable Resistor R1, R2, R3, R4, R5, R6, R7, R8, R10, R13.
Applicability: All Models
Common TOOIS:
Set, soldering and resoldering
Wrench, combination 1/2-inch
Special Tools: None
Supplies:
NOTE: Expendable supplies are defined in volume 1, appendix C.
Pencil, writing (Item 19)
Solder (Item 29)
Tag, marker (as required) (Item 34)
Variable Resistor (81349) RV2SAYSD103A (R3, R4, R6) (as required)
Variable Resistor (81349) RV2SAYSD253A (R5) (as required)
Variable Resistor (81349) RV4NAYSD103A (R10) (as required)
Variable Resistor (81349) RV4NAYSD253A (R1, R2) (as required)
Variable Resistor (19200) 12303311 (R7, R8) (as required)
Variable Resistor (19200) 12303312 (R13) (as required)
Personnel: One
Equipment Condition:
Thermal system test controlIer on a clean work surface.
Preliminary Procedures:
1. Remove thermal system test controller case cover; refer to volume 1, para. 4-17.
2. Remove thermal system test controller; refer to para. 2-5, task 2.
3. Remove panel assembly A1; refer to task 1.
4. Remove variable resistor or switch knob or control dial; refer to task 8.
Volume IV
Para. 2-6, Task 9
2-57
