Toro 74312 Operator's Manual page 42

systems. Make sure that the cables are color
coded or labeled for the correct polarity.
CAUTION
Connecting the jumper cables incorrectly
(wrong polarity) can immediately damage
the EFI system.
Be certain of battery terminal polarity
and jumper cable polarity when hooking
up batteries.
WARNING
Batteries contain acid and produce
explosive gases.
• Shield the eyes and face from the
batteries at all times.
• Do not lean over the batteries.
Note:
Be sure that the vent caps are tight and
level. Place a damp cloth, if available, over any
vent caps on both batteries. Be sure that the
vehicles do not touch and that both electrical
systems are off and at the same rated system
voltage. These instructions are for negative
ground systems only.
3. Connect the positive (+) cable to the positive (+)
terminal of the discharged battery that is wired
to the starter or solenoid as shown in
Figure 41
1. Positive (+) cable on
discharged battery
2. Positive (+) cable on
booster battery
3. Negative (–) cable on the
booster battery
4. Negative (–) cable on the
engine block
4. Connect the other end of the positive cable to
the positive terminal of the booster battery.
Figure
g012785
5. Booster battery
6. Discharged battery
7. Engine block
5. Connect the black negative (–) cable to the other
terminal (negative) of the booster battery.
6. Make the final connection on the engine block
of the stalled vehicle (not to the negative battery
post) away from the battery and stand back.
7. Start the vehicle and remove the cables in the
reverse order of connection.
Important:
(block) connection first.
41.
42
Disconnect the engine block