Gravely 992042 19HP-144Z, 992043 21HP-148Z, 992024 23HP-152Z, 992051 23HP-160Z, 992054 25HP-152Z, 992055 25HP-160Z, 992310 19HP-144Z, 992311 21HP-148Z Lawn Mower User Manual


 
GB - 18
3. Return seat to operating position.
Clean Battery
Keep battery and its terminals clean. Inspect every 100
operating hours or monthly for best performance.
1. Remove battery from unit. See Remove Battery on
page 17.
2. Clean terminals and battery cable ends with wire
brush.
3. Coat terminals with dielectric grease or petroleum
jelly.
4. Replace battery. See Replace Battery on page 17.
Charging the Battery
Battery Electrolyte First Aid
Follow First Aid directions for contact with battery uid.
External Contact: Flush with water.
Eyes: Flush with water for at least 15 minutes and get
medical attention immediately!
Internal Contact: Drink large quantities of water.
Follow with Milk of Magnesia, beaten egg or
vegetable oil. Get medical attention immediately!
In case of internal contact, DO NOT induce vomiting!
IMPORTANT: DO NOT fast charge. Charging at a higher
rate will damage or destroy battery. ONLY use an
automatic charger designed for use with your battery.
ALWAYS follow information provided on battery by
battery manufacturer. Contact battery manufacturer for
extensive instructions to charge battery.
1. Remove battery from unit. See Remove Battery on
page 17.
2. Place battery on bench or other well-ventilated
place.
3. Connect positive (+) lead of charger to positive (+)
terminal, and negative () lead to negative ()
terminal.
4. Charge battery according to charger and battery
manufacturers instructions.
5. Replace battery. See Replace Battery on page 17.
Jump Starting Battery
The unit used for jump starting should have a 12 volt
battery with at least 500 cold cranking amperes, and a
negatively grounded system.
NOTE: Ensure battery is not frozen. If the uid is frozen,
remove battery from unit and allow it to thaw before
charging.
1. Connect the positive (+) jumper cable to the positive
terminal of the discharged battery (Figure 8).
2. Connect the other end of the same jumper cable to
the positive (+) terminal of the booster battery.
3. Connect one end of the second jumper cable to the
negative () terminal of the booster battery.
4. Make the nal jumper cable connection to the
engine block or the furthest ground point away from
the discharged battery.
5. Start engine (refer to Operation Section). If engine
will not start after several tries, unit or battery may
need service.
6. After engine starts, leave cables connected for one
to two minutes.
7. Disconnect cables in reverse order.
8. Operate unit as normal to charge battery.
LUBRICATE UNIT
Apply oil at all pivot points and pin connections.
1. Negative terminal
2. Positive terminal
3. Battery
OF1671
Figure 8
1
2
3
WARNING: Make sure cables are clear of any
moving engine parts before starting engine.
REF LUBRICATION QTY LOCATION INTERVAL
1 REPACK 2 CASTER PIVOT 400 Hrs
OIL ALL PIVOT
POINTS, PIN
CONNECTIONS
50 Hrs
OF1793
1
Figure 9