Operator`s manual

 2003 - Magnum Energy, Inc.
34
5. PREVENTIVE MAINTENANCE
1. Recommended Inverter and Battery Care
The ME Series inverter/ charger is designed to provide you with years of trouble-
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.
Visually inspect the batteries for cracks, leaks, or swelling - replace if necessary
Use baking soda to clean and remove any electrolyte spills or buildups
Check and tighten all battery hold down clamps
Clean and tighten (10 to 12 foot pounds) all battery terminals and connecting
cables
Check and fill battery water levels (Liquid Lead Acid batteries only)
Check individual battery voltages (replace those that vary more than 0.3 VDC of
each other)
Check all cable runs for signs of chafing - replace if necessary
Check the inverters cooling vents - clean as necessary
Check and tighten (16 foot pounds) the inverters internal AC terminal block
connections
2. Off-Season Storage
When placing the coach into seasonal storage, it is recommended that you per-
form the following to ensure the system is properly shutdown (or properly configured
for seasonal storage). This is especially important for maintaining the batteries.
Non-protected Storage
Perform the recommended maintenance steps above
Fully charge the batteries
Connect shore power and verify the breaker to the inverter is switched ON
Verify the inverter is switched ON
Switch OFF all unnecessary AC and DC loads
Protected Storage
Perform the recommended maintenance steps above
Fully charge the batteries
Switch OFF all AC and DC loads
Verify the inverter is switched OFF
Remove shore power and disable the generator (if installed)