Product Manual

Maintenance
38 Owner’s Manual for Stationary Generators
Check Battery Condition/Fluid Level
Check Condition and Clean
1. See Figure 3-3 for illustration. Verify top of battery
is clean and dry. Dirt and electrolyte on top of the
battery can cause battery to self-discharge. Clean
battery top with a solution of baking soda (sodium
bicarbonate) and water (5 teaspoons baking soda
per quart or liter of water). When solution stops
bubbling, rinse off the battery with clean water.
2. Clea
n cable clamps and battery terminals using a
wire
brush or sandpaper to remove any oxidation.
3. Inspect battery screws, clamps and cables for
b
reakage, loose connections and corrosion.
Tighten and clean as necessary.
4. Check the battery posts for melting or damage
ca
used by over tightening.
5. Inspect battery for discoloration, raised top or a
war
ped or distorted case, which might indicate that
the battery has been frozen, overheated, or
overcharged.
6. Inspec
t the battery case for cracks or leaks.
7. Check the battery fluid level of unsealed batteries.
See Che
ck Fluid Level.
8. Check the battery state of charge. See Check
St
ate of Charge.
9. Replace battery if necessary. See Battery
Rep
lacement.
Check Fluid Level
Check the fluid level of unsealed batteries. If necessary,
fill with distilled water only. DO NOT use tap water.
Check State of Charge
Check the state of charge using a Digital Multimeter.
Recharge and retest if state of charge is below
manufacturer's recommendations. Replace battery if
necessary.
Battery Replacement
Removal
(000164)
WARNING
Electrical shock. Disconnect battery ground
terminal before working on battery or battery
wires. Failure to do so could result in death
or serious injury.
(000130)
WARNING
Accidental Start-up. Disconnect the negative battery
cable, then the positive battery cable when working
on unit. Failure to do so could result in death
or serious injury.
1. Remove negative battery cable (black) (B) from
negative (-) battery terminal.
2. Remove positive battery cable (red) (A) from
pos
itive (+) battery terminal.
3. See Figure 5-10. Install rubber protective cover
over positive (+) b
attery terminal (A).
4. Loosen two screws with nylon washers to release
ba
ttery hold-down clamp from battery tray.
5. Grasp battery strap (B), and lift battery from battery
tray
.
6. Remove rubber protective cover from positive (+)
b
attery terminal.
Installation
(000130)
WARNING
Accidental Start-up. Disconnect the negative battery
cable, then the positive battery cable when working
on unit. Failure to do so could result in death
or serious injury.
1. Install rubber protective cover over positive (+) bat-
tery terminal (A).
2. Grasp battery strap (B) and
lift battery.
3. Set battery onto battery
tray.
4. Tighten two screws with nylon washers to secure
ho
ld-down clamp to battery tray.
5. Remove rubber protective (A) cover from positive
(+
) battery terminal.
6. Install positive battery cable
(red) to positive (+)
battery terminal.
7. Install negative battery cable (black) to negative (-)
b
attery terminal.
NOTE: If c
ontinuing with Schedule A maintenance
procedures, leave the battery negative cable (black)
disconnected.