T M 5 - 6 1 1 5 - 5 8 5 - 1 2
NAVFAC
P-8-623-12
T O - 3 5 C 2 - 3 - 4 5 5 - 1
T M - 0 5 6 8 4 C / 0 5 6 8 5 B - 1 2
Figure
3-3.
Ground
Rod
and
Fuel
Drum
Adapter
Pipe
Hold-Down
b. Cleaning and Inspection.
( 1 ) G r o u n d R o d . I n s p e c t g r o u n d r o d f o r d a m a ge
and corrosion. Pay particular attention to the threaded
p o r t i o n s o f e a c h p i e c e , m a k i n g c e r t a i n t h e p i e c e s c a n
b e p r o p e r l y a s s e m b l e d.
(2) Fuel Drum Adapter Pipe. Inspect pipe (5) for
c l e a n l i n e s s a n d condition of threaded portions. Clean
pipe with cleaning solvent and dry.
D o n o t o v e r - t i g h t e n s c r e w s a s d a m a g e to
hold-down
assemblies
may
occur.
3-13. FUEL TANK ASSEMBLY .
a. Cleaning and Inspection (see figure 3-4).
( 1 ) F u e l T a n k S t r a p A s s e m b l i e s . I n s p e c t b o t h
straps (1) for damage that would prevent them from
s e c u r e l y h o l d i n g f u e l t a n k ( 4 ) t o s k i d - b a s e ( 1 0 ) .
C h e c k t h a t b o t h s t r a p s a r e t i g h t . T i g h t e n S t r a p s by
t i g h t e n i n g n u t s ( 2 ) a n d w a s h e r s ( 3 ) s e c u r i n g e a c h
s t r a p t o s k i d - b a s e .
(2) Fuel Tank. Visually check fuel tank (4) for
d e n t s o r l e a k s . C h e c k t h a t f i l l e r ( 8 ) f i t s s e c u r e ly
onto tank and that filler cap and surrounding area is
clean. Clean using solvent and clean cloth.
( 3 ) F u e l L e v e l G a g e . C h e c k f u e l l e v e l g a g e ( 6)
f o r p h y s i c a l d a m a g e . C h e c k t h a t g a g e s h o w s F U LL
w h e n t a n k i s f u l l , a n d E M P T Y w h e n t a n k i s e m p t y .
N o t i f y h i g h e r l e v el
m a i n t n e n a n c e f o r r e p l a c e m e n t of
fuel level gage.
(4) Float Switch. Inspect float switch (7) for phys-
ical damage. Check that float switch is properly at-
tached to tank.
(3) Fittings. Inspect three fittings (5) for physical
damage. Check that fittings are secured to fuel tank.
Notify higher level maintenance of leaky or damaged
f i t t i n g s .
(6) Fuel Drain Valve. Inspect drain valve (9) for
physial damage. Check that valve operates properly.
If not, notify higher level maintenance.
(7) Filler Cap Assembly Inspect filler cap (8) for physical
damage. Check that vent on underside of cap opens and closes
easily. Ensure that vent on underside of filler cap is open before
starting generator.
3-14. SHUTTER BOX ASSEMBLY.
(3) Hold-down. Check hold-down assembly (4) for
p h y s i c a l d a m a g e a n d c h e c k c o n d i t i o n o f h a r d w a r e ( 1
a. Inspect (see figure 3-5).
and 2).
c .
I n s t a l l a t i o n .
( 1 ) H o l d - d o w n . P o s i t i o n l o c k w a s h e r s ( 2 ) on
s c r e w s ( 1 ) a n d i n s e r t i n t o h o l e s i n s k i d - b a s e ( 6 ) .
Do not operate unit if shutter assembly is not
o p e r a t i n g
p r o p e r l y .
P o s i t i o n h o l d - d o w n a s s e m b l i e s ( 4 ) a g a i n s t s k i d - b a s e
(6), then start screw (1).
( 2 ) G r o u n d R o d a n d F u e l D r u m A d a p t e r P i p e.
(1) Shutter Assembly.
Check shutter assembly with
unit running under normal operating conditions.
When
engine is cold, shutter assembly should be fully closed.
When engine warms up, shutter assembly should be fully
open at 14°F (60°C) or above at full rated load.
Make
certain shutter assembly is free of dirt and oil which could
cause shutters to stick.
S l i d e f u e l d r u m a d a p t e r p i p e ( 5 ) a n d g r o u n d r o d ( 3 ).
b e t w e e n h o l d - d o w n a s s e m b l i e s ( 4 ) a n d s k i d - b a s e
( 6 ) . T i g h t e n s c r e w s ( 1 ).
3 - 1 0 C h a n g e 8