JLG sky trak mmv Service Manual page 585

6. Remove the nut (11), flat washers (12) and slotted
pan head screw (13) from the bracket.
7. Remove the five elastic locknuts (14), flat
washers (15), and capscrews (16) securing the
equalizer to the mounting bracket. Carefully remove
the equalizer and remove the six external tooth
lockwashers (17) from between the mounting
bracket and the equalizer.
e. Battery Equalizer Install
1. Place the equalizer against the mounting bracket.
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
2. Place one external tooth lockwasher (17) between
the mounting bracket (10) and the equalizer (7) and
install the capscrews (16), flat washers (15) and new
elastic locknuts (14) in five places. DO NOT fully
tighten the hardware at this time.
3. Install the fuel shut off relay wire harness mounting
bracket (9) in the remaining mounting hole. Place the
remaining external tooth lockwasher (17) between
the equalizer (7) and mounting bracket (10) and
secure in place using a slotted pan head screw (13),
two flat washers (12) and nut (11). Fully tighten all
equalizer mounting hardware.
4. Install the fuel shut off relay (8) into the mounting
harness bracket (9).
5. Insert the capscrew (20) through the tab (21) on the
equalizer (19).
6. Place a flat washer (22) and fuse (18) onto the
capscrew. Position fuse as required to best see
through the clear window.
7. Place the positive cable (23) onto the capscrew.
8. Place the nylon shoulder washer (24) onto the
capscrew and place against the positive cable with
the hub toward the cable.
Model MMV Rev. 12/04
9. Secure in place with a flat washer (25),
lockwasher (26) and nut (27). Torque the nut to a
maximum of 100 lbs/in (11 Nm).
10. Repeat steps 5 through 9 for the other positive cable.
11. Connect the negative (-) battery cable (4) at the
battery negative (-) terminal on the battery in the
engine side battery box.
12. Connect the negative (-) battery equalizer cable (5)
at the bottom of the battery equalizer (6). Torque the
nut to a maximum of 100 lbs/in (11 Nm).
13. Replace engine side battery box cover (1). Use the
wing nuts (2) and carriage bolts (3) to secure the
cover in place.
20
21
22
18
23
CAUTION:
engine after an equalizer installation, be sure
that both batteries are charged. The high start-
ing current can cause the charged battery to
reverse the voltage on a discharged battery.
With the equalizer connected normally, it then
"sees" a reverse power connection. Protection
diodes inside the equalizer will then act to
"blow" one of the fuses, or generate excessive
heat.
Any 12V accessories, gauges, etc. connected
to the discharged battery during starting, will
also have the reverse voltage applied to their
power connections. This may result in damage
to these items.
Electrical System
19
24
26
27
25
Before starting the
OM1570
10.105