T M 5 - 6 1 1 5 - 5 8 5 - 1 2NAVFAC P-8-623-12T O - 3 5 C 2 - 3 - 4 5 5 - 1T M - 0 5 6 8 4 C / 0 5 6 8 5 B - 1 2Figure 3-3. Ground Rod and Fuel DrumAdapter Pipe Hold-Downb. 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 geand corrosion. Pay particular attention to the threadedp 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 nb 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) forc l e a n l i n e s s a n d condition of threaded portions. Cleanpipe 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 tohold-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 hstraps (1) for damage that would prevent them froms 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 byt 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 hs t r a p t o s k i d - b a s e .(2) Fuel Tank. Visually check fuel tank (4) ford 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 lyonto tank and that filler cap and surrounding area isclean. 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 LLw 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 elm 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 offuel 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 physicaldamage. Check that fittings are secured to fuel tank.Notify higher level maintenance of leaky or damagedf i t t i n g s .(6) Fuel Drain Valve. Inspect drain valve (9) forphysial damage. Check that valve operates properly.If not, notify higher level maintenance.(7) Filler Cap Assembly Inspect filler cap (8) for physicaldamage. Check that vent on underside of cap opens and closeseasily. Ensure that vent on underside of filler cap is open beforestarting generator.3-14. SHUTTER BOX ASSEMBLY.(3) Hold-down. Check hold-down assembly (4) forp 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 ( 1a. 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 ) ons 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 noto 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 withunit running under normal operating conditions.Whenengine is cold, shutter assembly should be fully closed.When engine warms up, shutter assembly should be fullyopen at 14°F (60°C) or above at full rated load.Makecertain shutter assembly is free of dirt and oil which couldcause 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
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