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Checking the Battery
Charge
Service Interval: Monthly
WARNING
CALIFORNIA
Proposition 65 Warning
Battery posts, terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and reproductive harm. Wash
hands after handling.
Allowing batteries to stand for an extended period
of time without recharging them results in reduced
performance and service life. To preserve optimum
battery performance and life, charge batteries in
storage when the open circuit voltage drops to 12.4 V.
Note:
To prevent damage due to freezing, the battery
should be fully charged before putting away for winter
storage.
Check the voltage of the battery with a digital
voltmeter. Locate the voltage reading of the battery in
the table and charge the battery for the recommended
time interval to bring the charge up to a full charge
of 12.6 V or greater.
Important:
Ensure that the negative battery cable
is disconnected and the battery charger used for
charging the battery has an output of 16 V and 7 A
or less to avoid damaging the battery (see chart
for recommended charger settings).
Voltage
Percent
Reading
Charge
12.6 or
100%
greater
12.4 – 12.6
75 to 100%
12.2 – 12.4
50 to 75%
12.0–12.2
25 to 50%
11.7–12.0
0 to 25%
11.7 or less
0%
Maximum
Charging
Charger
Interval
Settings
16 V/7 A
No Charging
Required
16 V/7 A
30 Minutes
1 Hour
16 V/7 A
14.4 V/4 A
2 Hours
14.4 V/4 A
3 Hours
14.4 V/2 A
6 Hours or
More
Drive System
Maintenance
Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc
nut until washers are flat and back off 1/4 of a turn
to properly set the pre-load on the bearings. If
disassembled, ensure that the spring disc washers
are installed as shown in
1. Spring disc washers
Checking the Air Pressure
in the Tires
Service Interval: Every 50 hours
Note:
The semi-pneumatic caster tires do not need
to be inflated.
1.
Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2.
Check the pressure of the drive tires.
3.
Inflate the drive tires to 152 to 165 kPa (22 to
24 psi).
36
Figure
38.
Figure 38
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