Northern Lights Lugger M773LW3, Operator'S Manual

Page: 25 / 58

OM773LW3 11/20
23
Servicing
Updated 8-14-19
BOOSTER BATTERIES
CAUTION: Battery gas can explode.
Keep all flames and sparks away from batteries.
Battery electrolyte is sulfuric acid diluted, which
can burn or stain body or clothes.
1. Before changing or using booster batteries, check
battery electrolyte level. Add distilled water if
necessary.
2. Booster and main batteries must have the same
voltage rating.
3. First, connect positive (+) terminal of booster battery
to positive (+) terminal of main battery. Then,
connect negative (-) terminal of booster battery to
ground on the engine block (
see Figure 20
).
4. Remove booster battery after starting engine.
5. Sealed batteries: See manufacturer charging and
booster instructions.
SP-17 and 18. BATTERY CARE
1. Add distilled water to manufacturer’s recommended
level.
2. Batteries, cables and cable terminals should
be checked and cleaned every 100 hours.
Clean corrosion with a water and baking soda
solution. Flush with clean water. Tighten terminals
and grease them to inhibit corrosion.
3. Check the battery condition with a hydrometer every
500 hours.
Figure 18:
Battery connections.
SP-19. WINTERIZING / OUT-OF-SERVICE
If the generator set will not be used for more than 3
months the following preparations should be taken for
long term storage.
• Change engine oil and filter, as per recommendations
on page 16.
• Run the engine up to at least 140
o
F from a small,
clean source of fuel dosed with either “Stab-il”
brand fuel system stabilizer (diesel engine formula),
or Stanadyne Performance fuel system conditioner.
If neither of these fuel treatments is available, you
may also use John Deere fuel system conditioner.
• Completely drain, flush, and fill the cooling system
with pre-mixed, 50/50, conventional ethylene-glycol
heavy-duty diesel engine coolant.
• Loosen alternator drive belt.
• Completely seal off intake and exhaust openings
with heavy plastic bags and duct tape.
• Cover entire engine in large plastic bag and tape
closed at bottom of bag-place several moisture
absorbing desiccant packs inside plastic bag
• Store engine inside a building (preferably climate
controlled) to prevent corrosion.
To Remove Generator Set from Long-Term Storage:
1. Take off all protective coverings and unseal all the
openings that were covered up.
2. Install batteries that are fully charged and connect
the terminals.
3. Re-install the alternator belt if it had been removed.
4. Fill the fuel tank.
5. Perform all pre-start checks.
6. Crank the engine for 10 seconds with the starter,
without letting the engine start. Wait 2 minutes and
crank the engine an additional 10 seconds to make
sure all bearing surfaces are well coated.
7. Start the engine and run at no load in a low idle for
several minutes. Make sure the engine is warmed up
and check gauges before going under load.
8. Check all gauges and check for leaks.