Toro Greensmaster e1021 Service Manual page 128

Removing and Installing Lithium-Ion Battery Controller (BMS) (continued)
Electrical System: Service and Repairs
Do not open the lithium-Ion battery controller. There are no
serviceable parts on or in the lithium-ion battery controller case.
If you open the controller case, you will void the warranty. The
controller case is protected by tamper-alerting devices. Opening the
controller case may result in personal injury and property damage.
1. Park the machine on a level surface and make sure that the clutch bail in the
NEUTRAL position. Turn the key switch to the OFF position and remove
the key from the key switch.
2. Disconnect the battery pack; refer to
(page 5–3).
3. Remove the four bolts that secures the battery cover to the battery mount.
Remove the battery cover from the machine.
g338794
1. Lithium-Ion battery controller
2. Positive (+) terminal
3. B+ terminal
4. M-S terminal
4. Label and disconnect the negative (-) battery cable, positive (+) battery cable
from the lithium-ion battery controller B- and +B terminals.
5. Label and disconnect the battery interface harness and the machine wire
harness connector from the lithium-ion battery controller M-S and COM
terminals.
6. Label and disconnect the machine wire harness negative (-) and positive
(+) cables from the lithium-ion battery controller negative (–) and positive
(+) terminals.
7. Remove the four nuts, bolts and washers that secures the BMS to battery
mount.
8. Carefully remove the BMS from the machine.
CAUTION
Connecting the Lithium Battery Pack
Figure 72
5. B- terminal
6. Negative (–) terminal
7. COM terminal
Page 5–48 Greensmaster ® e1021/e1026
20246SL Rev A