Section 4 - REPAIR & ADJUSTMENTS
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.5.BATTERY SERVICE
4.5.1.NEW BATTERY PREPARATION
1.Remove battery from carton.
2.Place battery in a well ventilated area on a level
3.Test battery. Refer to Section “Battery Testing”. If battery needs charging, charge battery. Refer to Section “Battery Charging”.
4.Connect positive (+) lead (red) first, from battery harness to the positive terminal (+) on battery using bolt and nut plate supplied with battery. Connect negative
5.Install battery into power unit.
6.Plug main harness battery harness connector
WARNING
Shield the positive terminal with terminal cover located on battery harness. This prevents metal from touching the positive terminal, which could cause sparks.
4.5.2. BATTERY SERVICE
1.Remove rear cover from mower. Refer to Section “Rear Cover Removal”.
2.Test battery. Refer to Section “Battery Testing”. If battery needs charging, charge battery. Refer to Section “Battery Charging”.
3.If battery will not accept charge or is partially charged after charging per instructions, replace with new battery.
4.5.3. BATTERY STORAGE
If Walk Behind is to be stored out of season on its rear bumper, it is recommended the battery be removed, charged and stored.
1.Remove battery.
2.Perform battery service. Refer to Section “Battery Service”.
3.Store battery in an area away from the Walk Behind on a wood surface. DO NOT STORE BATTERY ON A CONCRETE SURFACE.
4.5.4. BATTERY TESTING
Check the battery’s state of charge using a voltmeter. Remember to hook the positive lead to the battery’s positive terminal, and the negative lead to the negative terminal. Check reading against chart below. If voltage reads less than 12.80 volts, charge battery. Refer to Section “Battery Charging”.
Battery Condition
State of Charge | Digital Voltmeter |
100% Charged | 12.80v |
75% Charged | 12.40v |
50% Charged | 12.10v |
25% Charged | 11.90v |
0% Charged | Less than 11.80v |
4.5.5. BATTERY CHARGING
Supplied DC charger. Plug charger connector into battery harness connector. See Figure 4.10. Plug charger into wall outlet and charge battery for 48 hours. (Longer periods will not damage battery.)
BATTERY HARNESS
CONNECTOR (CHARGER
CONNECTS HERE)
MAIN HARNESS
CONNECTORBATTERY HARNESS LEADS
BATTERY
FIGURE 4.10
WARNING
Keep all sparks, flame and fire away from area when charging battery or when handling battery. Never use “BOOST” chargers on the battery.
17