Quantcast Table 3-1. Preventive Maintenance Checks and Services - TM-55-1905-223-24-18-20025

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TM 55-1905-223-24-18-2
Table 3-1. Preventive Maintenance Checks and Services
D - Daily
W - Weekly
M -Monthly
Q - Quarterly
S - Semiannually
A - Annually
Item
Intervals
Items To Be
No.
DWMQS
A
Inspected/Serviced
Procedures
HALON SYSTEM
Halon Tanks
1
Inspect and service specified in paragraph 3-11.
Carbon
2
Inspect and service specified in paragraph 3-11.
Dioxide
Cylinders
SOUND POWERED TELEPHONES
3
Sound Powered
a. Test the two way voice capability of sound powered
Telephones
telephones. Select other stations and conduct two-way
conversations.
b. Check that transmissions and receptions are clear,
undistorted and easily understood.
c.  Test audible and light indicators. On models SELR and
SELR the light indicators should light along with the
calling signal.
TANK LEVEL INDICATOR SYSTEM
4
Tank Level
Inspect for loose electrical connections and breakage.
Indicator
Tighten loose connections. Replace defective modules as
System
specified in paragraphs 3-44, 3-45, or 3-46.
Receiver
Modules
5
Tank Level
Inspect for fogging, cracks, large scratches and breakage.
Indicator
Replace defective meters and alarm lights as specified in
System Meters
and Alarm
Lights
3-3


 


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