121Service Manual – SC5000 24 - Electrical System 121Service Manual – SC5000 24 - Electrical System
Removal and Installation
Batteries
CAUTION: Use extreme caution when working with batteries. Sulfuric acid in batteries can cause severe
injury if allowed to contact the skin or eyes.
• Explosive hydrogen gas is vented from the batteries through openings in the battery caps. Do not
smoke while servicing the batteries.
• Remove all jewelry. Wear safety glasses, rubber gloves and a rubber apron
• Do not allow tools to touch more than one battery terminal at a time
• Electrical components in this machine can be severely damaged if the batteries are not installed and
connected properly.
• The batteries are extremely heavy and may require a lifting device or assistance to remove and
replace into the machine.
Note: If replacing a monoblock battery, the procedure
is generally the same, except you must remove the
recovery tank so that you can lift the battery pack
out with a hoist.
1. Turn the off the machine and disconnect the main battery
connector (A).
2. Pull back the insulating boot (B) and disconnect the main
battery connector’s positive terminal at (C). Do not disconnect
at lug (D) because that secures the 150 amp fuse.
3. In a similar manner, remove the main battery
connector’s negative terminal. However, there is no
fuse at the negative terminal.
4. Taking care to not short across the battery
terminals, remove each of the interconnecting cables
(E) from the batteries.
5. Make sure the battery straps are not damaged or
cut, and then lift out each of the batteries from the
battery bay.
6. Install the new batteries into the compartment. Note
the orientation of the batteries shown to the right.
7. Reconnect the battery cables.
– All cables are connected positive-to-negative for a
series connection between all 6 batteries.
– Position the cables so the battery caps can be
easily removed for battery service.
– Take care to not over torque the cable connector, as this may damage the battery post.
8. Coat the terminals with spray-on battery terminal coating (available at most auto parts stores).
9. Congure the Battery Settings described on page 120
A
B
E
D
C
B
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