Visually inspect threads on new indicator tube.
Check threads on nut (3).
Ensure that new indicator tube has packing
installed on upper groove.
Install tube (5)
Install washer (4) and nut (3), and tighten nut.
Install float (2) and retainer (1).
DUMP VALVE. Replace dump valve.
This task covers:
Tools: Bonney Wrench, Drift, Hammer,
3/4 in. Box-End Wrench
Dump Valve (31, Fig C-3), Appx C
Flashlight (explosion proof)
Gaskets (30, Fig C-3), Appx C
Refer to Figure 3-11.
Tank must be empty and separate
from other tanks
Tank access cover removed.
Tank must be purged. Refer to
Chapter 3, paragraph 3-25.
GENERAL SAFETY INSTRUCTIONS
Injury to personnel and equip- ment
may occur if the purging maintenance
procedure above is not performed.
The fuel vapor and air mixture in the
tank can cause a violent explosion
setoff by sparks from tools being
dropped in tank.
Remove dust cover (1).
Remove nuts (2) and washers (3).
Remove bolts (4) and flange (5).
Remove gaskets (6).
Remove pin (7) and lever (8).
Remove setscrew (9) and block (10).
Slide rod (11), yoke (12), and rod (13) down
through support (14).
Disconnect dump valve (15) from rod (13).
Visually inspect all hardware removed.
Inspect dump valve and disassemble as shown in
Figure C-2, Appx C, if needed.
Install in reverse order of removal.
Check for leaks after completion of work.