Toro Greensmaster eFlex 1021 Service Manual page 131

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