OPERATING CONTROLS AND PROCEDURES MLC90A-1/MLC100-1 OPERATOR MANUAL
3-54
Published 12-10-19, Control # 258-05
Legend for Figure 3-21
AC POWER SUPPLY
See Figure 3-21.
The optional work lights and cold weather heaters can be
powered either by an owner supplied generator (shore
power) or by an optional on-board generator (1).
Generator Installation/Removal
1. To install the generator (1):
a. Remove the mounting hardware from the generator
frame.
b. Lift the generator (1) into position at the end of the
right side enclosure.
• Four lifting rings (1a) are provided
• The generator weighs 181 kg (400 lb)
c. Install and securely tighten the mounting hardware.
d. Connect the power supply cable (2) to the
receptacle (5).
e. Connect the fuel lines (3) to the shut-off valves
under the fuel tank.
f. Open the fuel shut-off valves.
g. Connect the battery cables (4) to the battery (7)
terminals.
2. To remove the generator (1), reverse the installation
steps.
Turning AC Power ON
1. Stop the generator (1) engine.
2. Turn OFF the circuit breakers in the load center (6).
3. Connect the power supply cable (2) to the receptacle (5)
on the crane and to the receptacle on the generator.
4. Start the generator engine.
5. Turn ON the desired circuit breakers in the load center
(6).
Turning AC Power OFF
1. Turn OFF the circuit breakers in the load center (6).
2. Stop the generator engine.
3. If necessary, disconnect the power supply cable (2) from
the receptacle (5) on the crane. Store the cable on the
generator.
WORK LIGHTS
The work lights package consist of the following:
• Cab (standard) — two 24V, 65W floodlights —
controlled by a switch in the operator cab
• Gantry (optional) — two 240V, 150W floodlights —
controlled by a circuit breaker in the load center
(Figure 3-21
)
• Boom (optional) — three to five 240V, 150W to 300W
floodlights or spot lights — controlled by a circuit breaker
in the load center (Figure 3-21
)
Item Description
1 Generator (diesel driven 5 kW, 120/240VAC)
1a Lifting Ring (Qty 4)
2 Power Supply Cable with Plug (120/240VAC, 50A)
3 Fuel Lines
4 Battery Cables
5 Receptacle (120/240VAC, 50A)
6 Load Center (120/240VAC)
6a Circuit Breaker — 50A Main
6b Circuit Breaker — 15A, 300W Rotating Bed Lights
6c Circuit Breaker — 15A, 900W Boom Lights
6d Circuit Breaker — 15A,150W Battery Pads and 300W
Engine Oil heater
6e Circuit Breaker — 15A, 2000W Hydraulic Tank
Heater
6f Circuit Breaker — 15A, 1500W Engine Coolant
Heater
7 Battery (12V, 660 CCA)
DANGER
Generator Voltage is Deadly!
Lights and heaters are powered by 240V electricity —
• Do not attempt to service the AC electric system until
power is turned off.
• Do not attempt to service the AC electric system
unless you are a qualified electrician.
• Do attempt to operate or service the generator until
you have thoroughly read the Generator Operator
Manual at end of this section.
CAUTION
Avoid Machinery Damage
Do not turn on the heaters when the ambient temperature
is above –1°C (30°F) or when the engine is running.
Doing so may result in overheating.
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