TM 55-1930-209-14&P-
Table C-1. Preventive Maintenance Checks and Services for Fuel Oil System (Continued)
B - Before
D - Daily
Q - Quarterly
D - During
W - Weekly
S - Semiannually
A - After
M - Monthly
A - Annually
B
D
A
D
W
M
Q
S
A
•
f.
Check transfer pump for leaks, capacity
Class III leaks.
and pressure. II leakage is greater than a
slight weep, replace mechanical seal as
follows.
CAUTION
Never touch sealing faces with anything
except fingers-or a clean cloth to ensure
a good seal.
1)
Remove capscrews attaching end
cap.
2)
Remove end cap to expose mechani-
cal seal.
3)
Remove mechanical seal by sliding off
end of shaft.
4)
Check end of pump shaft for sharp
burrs or edges which might cut seal
bellows.
5)
Spread a film of lubricating oil on
inside diameter of synthetic rubber
bellows
6)
Slide seal rotary member over shaft
and up against set collar, so that
spring washer and spring go on first.
7)
Coat synthetic rubber seal seat with
lubricating oil and push seal seat into
end cap.
8)
Put end cap gasket on end of casing.
9)
Slide end cap over shaft.
10)
Flush both seal seat and carbon wear
ring In seal rotary member with oil.
11)
Push end cap up until mating surfaces
of end cap and casing or seal meet.
12)
Install capscrews and tighten evenly
INTERVAL
ITEM
NO.
ITEM
TO BE
INSPECTED
EQUIPMENT
IS NOT READY/
AVAILABLE
PROCEDURES
CHECK FOR HAVE
REPAIRED OR ADJUSTED
AS NECESSARY
C-5
