Engine Maintenance; Charging The Battery - Briggs & Stratton 8kVA Generating Set Operator's Manual

Battery
Servicing of batteries is to be performed or supervised
by personnel knowledgeable of batteries and the
required precautions. Keep unauthorized personnel
away from batteries.
Servicing the Battery
If it is necessary to service the battery, proceed as
follows:
1. Press and hold the control board OFF button.
2. Remove 15 Amp fuse from control panel.
3. Service or replace battery as required. See
Battery in Final Installation Considerations in the
installation manual for specific battery needed.
4. Connect red battery cable to battery positive
terminal (indicated by POSITIVE, POS, or (+)).
6. Connect black negative battery cable to negative
battery terminal (indicated by NEGATIVE, NEG, or
(-).
7. Ensure hardware on both positive and negative
battery terminals is secure.
8. Reinstall 15 Amp fuse in control panel.
9. Press and hold the control board AUTO button.
DON'T POLLUTE. CONSERVE RESOURCES,
RETURN USED BATTERY TO RECYCLING
COLLECTION CENTER.

Charging the Battery

If it is necessary to charge the battery, proceed as
follows:
1. Press and hold the control board OFF button.
2. Remove 15 Amp fuse from control board.
3. Disconnect negative battery cable from negative
battery terminal (indicated by NEGATIVE, NEG, or
(-)).
4. Charge battery with battery charger at 2 Amps
NOTICE Failure to disconnect negative battery cable
could result in equipment failure.
• DO NOT attempt to jump start the generating set.
• Damage to equipment resulting from failure to follow this
instruction will void engine and generating set warranty.
until battery holds 12 Volts. DO NOT exceed
13.7 volts when charging.
NOTICE DO NOT use a battery booster to quick
charge a low battery.
5. Connect negative battery cable to negative battery
terminal (indicated by NEGATIVE, NEG, or (-)).
6. Ensure hardware on both positive and negative
battery terminals is secure.
7. Reinstall 15 Amp fuse in control board.
8. Press and hold the control board AUTO button.
24

Engine Maintenance

Adjust Valve Lash
The valve lash must be checked every 100 hours of
operation. Measure valve clearance with the engine cold.
To adjust the valve lash, proceed as follows:
1. Remove spark plug(s) to ease manual rotation of
engine crankshaft.
2. Turn crankshaft counterclockwise until the piston is at
Top Dead Center on the compression stroke.
3. Insert a narrow screwdriver or rod into spark
plug hole as a gauge, then slowly turn crankshaft
counterclockwise until the piston has moved down the
bore by 6mm.
4. For the Model 31 Engine:
A
Model 31
• Use a feeler gauge (A), measure the valve clearance.
• Adjust the rocker nut to obtain the correct clearance as
follows: 0.013 mm intake and 0.018 mm exhaust.
• Hold rocker nut and tighten the rocker ball set screw (B)
to 5 Nm.
5. For the Model 35 Engine:
• Use a feeler gauge (A) to measure the valve clearance.
A
Model 35
• Adjust the clearance by loosening the lock nut (B) then
turn the adjusting screw (C) to obtain the following
measurement: 0.013 mm intake and exhaust.
• Once the clearance is properly set, hold the adjusting
screw while torquing the lock nut to 8 Nm.
6. Repeat for the other valve, if applicable.
C
B
B