Magnum Energy ME Series Operator's Manual - page 42
5 . P R E V E N T I V E M A I N T E N A N C E
1. Recommended Inverter and Battery Care
T h e M E S e r i e s i n v e r t e r / c h a r g e r i s d e s i g n e d t o p r o v i d e y o u w i t h y e a r s o f t r o u b l e free
service. Even though there are no user-serviceable parts, it is recommended that every 6 months you
perform the following maintenance steps to ensure optimum performance and extend the life of your
batteries.
WARNING: Prior to performing these checks, switch both the AC and DC circuits OFF.
V i s u a l l y i n s p e c t t h e b a t t e r i e s f o r c r a c k s , l e a k s , o r s w e l l i n g - r e p l a c e i f n e c e s s a r y
U s e b a k i n g s o d a t o c l e a n a n d r e m o v e a n y e l e c t r o l y t e s p i l l s o r b u i l d u p s Check and
tighten all battery hold down clamps
Clean and tighten (10 to 12 foot pounds) all battery terminals and connecting cables
C h e c k a n d f i l l b a t t e r y w a t e r l e v e l s ( L i q u i d L e a d A c i d b a t t e r i e s o n l y )
C h e c k i n d i v i d u a l b a t t e r y v o l t a g e s ( r e p l a c e t h o s e t h a t v a r y m o r e t h a n 0 . 3 V D C o f
each other)
C h e c k a l l c a b l e r u n s f o r s i g n s o f c h a f i n g - r e p l a c e i f n e c e s s a r y
C h e c k t h e i n v e r t e r ’ s c o o l i n g v e n t s - clean as necessary
C h e c k a n d t i g h t e n ( 1 6 f o o t p o u n d s ) t h e i n v e r t e r ’ s i n t e r n a l A C t e r m i n a l b l o c k
c o n n e c t i o n s
2. Off-Season Storage
When placing the coach into seasonal storage, it is recommended that you perf o r m t h e f o l l o w in g t o
e n s u r e t h e s y s t e m i s p r o p e r l y s h u t d o w n ( o r p r o p e r l y c o n f i g u r e d f o r s e a s o n a l s t o r a g e ) .
T h i s i s e s p e c i a l l y i m p o r t a n t f o r m a i n t a i n i n g t h e b a t t e r i e s .
Non-protected Storage
Perform the recommended maintenance steps above Fully
c h a r g e t h e b a t t e r i e s
Connect shore power and verify the breaker to the inverter is switched ON V e r i f y t h e
i n v e r t e r i s s w i t c h e d O N
S w i t c h O F F a l l u n n e c e s s a r y A C a n d D C l o a d s
Protected Storage
Perform the recommended maintenance steps above Fully
c h a r g e t h e b a t t e r i e s
S w i t c h O F F a l l A C a n d D C l o a d s
V e r i f y t h e i n v e r t e r i s s w i t c h e d O F F
R e m o v e s h o r e p o w e r a n d d i s a b l e t h e g e n e r a t o r ( i f i n s t a l l e d )
34
Ó 2003 - Magnum Energy, Inc.