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3 — OPERATION
3-11
CAUTION
Always remember to unplug the battery charger power cord before moving the
boom lift. Failure to unplug the power cord will cause damage to the equipment.
5. Inspect the charge indicator LEDs near the end of the expected charge cycle. If
all indicator LEDs are off, the battery is fully charged. (The DC ammeter needle
should point to the left.)
NOTE: The yellow 80% CHARGE indicator lights up when the battery voltage is
charge. At full charge (3-1/2 hours after the 80% CHARGE
hts up), the charger turns off.
use.
3-6 BOOM LIFT TRA
The boom lift trailer is a single axle trailer fitted with a two-inch ball hitch, surge brakes,
brea
lift t
fore towi hitch, tow, and back the boom lift trailer:
Traile
Trai give tow vehicle backing instructions.
the ball. Jack up the tongue as needed.
2. Align the ball and hitch (Figure 3-10). Fasten the breakaway safety
cable to the tow vehicle.
nearing full
indicator lig
If the battery voltage does not reach the 80% CHARGE level in 14 hours,
the charger turns off and the red CHECK BATTERY indicator LED
lights up. This prevents extended charging of a faulty battery.
6. Unplug the power cord from the 120 VAC receptacle and the charger recepta-
cle. Properly store the power cord for next
NSPORT
kaway safety cable, safety chains, brake lights, and side marker lights. Proper boom
ransport requires the correct hookup and inspection of these trailer components be-
ng. Use the following procedures to
r Hitching
ler hitching requires a second person to
1. Back the tow vehicle to the trailer. Verify that the ball and hitch are in line and
that the trailer hitch will clear
BREAKAWAY
SAFETY CABLE
JACK IN
RAISED
POSITION
JACK IN
RAISED
POSITION
PIVOT
LOCKING
PIN
PO E
PLUG
W R
SAFETY
CHAINS
PARKING
BRAKE
BALL
AND
HITCH
Figure 3-10. Trailer Hitching