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 TM 5-1940-277-20
TM 1940-20/2
Table 2-1. Unit Preventive Maintenance Checks and Services (cont)
W-Weekly
Q-Quarterly
S-Semiannually
Item to be inspected
Interval
Procedure: Check for and have repaired, filed,
Item
or adjusted as needed
No.
S Item
Perform all operator PMCS first
WQ
12
ANODES
a.
Hydrojet tail cone anode (1). Check for loose bolts or nuts 92). Replace anode
if pitting is through anode or if anode is over 50 percent deteriorated (worn
down).
b.
Keel anodes (3). Check for loose or missing bolts (4). Replace if pitting is
through anode or if anode is over 50 percent deteriorated (worn down).
2-14
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