Toro 04861, Service Manual

Page: 131 / 234

Removing and Installing Lithium-Ion Battery Controller (BMS) (continued)
CAUTION
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. Ensure that the cutting-unit-drive lever is in the D
ISENGAGE
position, park the
machine on a level surface, release the clutch bail, engage the service and
parking brake, rotate the key switch to O
FF
, and remove the key; refer to
the Operator's Manual .
2. Disconnect the battery pack; refer to Disconnecting and Connecting the
Lithium Battery Pack (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
Figure 72
1. Lithium-Ion battery controller 5. B- terminal
2. Positive (+) terminal 6. Negative (–) terminal
3. B+ terminal 7. COM 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.
Greensmaster ® eFlex 1021 Page 5–47 Electrical System: Service and Repairs
20248SL Rev C