TM 11-5805-384-30
2-15. REPLACEMENT OF RINGER VOLUME CONTROL.
This task covers:
1. Removal
2. Testing
2. Installation
Personnel Required
INITIAL SETUP
One technician
Tools
Equipment Condition
Tool Kit, Electronic Equipment TK-100/G
Telephone
shell
assembly
Materials/Parts
RINGER VOLUME Control
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
Using
cross-tip
screwdriver,
1.
Telephone set base
Two screws (1) and RINGER
remove
VOLUME control plate (2) and
spacers (3)
2.
RINGER VOLUME control.
Knob (4)
Using allen key, remove
3.
Nut and washer (5)
Using 318-inch wrench, remove.
4.
Wires (6)
Tag.
TESTING
1.
White wire (7)
2.
Leads (8)
Connect leads
3.
RINGER VOLUME control.
Shaft (9)
Using needle nose pliers, rotate
4.
Multimeter
Gage (10)
As shaft is rotated, reading should
vary from 0 to 4 ohms.
2-38