Removing The Lights For Transportation; Towing The Unit - Generac Power Systems MAGNUM MTT15 Operating Manual

4. Release the mast lock by pulling the safety pin on the mast lock and pulling the lock bar free. Lower the mast
by holding the lower winch control switch downward until the mast is resting in the transport cradle.
Note: If the mast lock bar does not pull free, activate the lower winch slightly to relieve pressure on the mast bar.
5. After the mast is completely down, insert the mast cradle locking pin and secure it with the safety pin.

REMOVING THE LIGHTS FOR TRANSPORTATION

1. On units equipped with quick disconnect fittings for the lights, disconnect the power
cords from the junction box at the top of the mast. Replace the dust caps on the
junction box. On hard wired units, remove the junction box cover, located on the
top of the mast, and disconnect ONLY the mast light wires from the connectors.
To release the mast light wires from the connectors, flip the locking levers down
and pull out the appropriate wires.
2. Remove the lights by removing the wing nut that holds the light fixture bracket to
the cross tube. Attach the lights to the storage brackets (if equipped) located on
the mast tube on either side of the central lift point.

TOWING THE UNIT

Once the engine is shut down and the mast and lights are properly stowed, follow these steps to prepare the unit
for towing.
1. Raise the four leveling jacks completely and remove the locking pins to rotate them up into the travel position.
Replace the locking pins.
2. Use the tongue jack to raise or lower the trailer onto the hitch of the towing vehicle. Lock the hitch coupling and
attach the safety chains or cables to the vehicle. Raise the tongue jack completely.
Note: A film of grease on the coupler will extend coupler life and eliminate squeaking. Wipe the coupler clean and
apply fresh grease each time the unit is towed.
3. To ensure proper operation of the jacks, lube the grease fittings located on the leveling jacks. Refer to
Maintenance" on page 30.
Engine" on page 27.
4. Connect any trailer wiring to the tow vehicle. Check for proper operation of the directional and brake lights.
5. Make sure the mast cradle locking pin is in place.
6. Make sure the doors are properly latched.
7. If the unit is going to be driven over rough ground, remove the bulbs from the light fixtures. Refer to
the Lights for Transportation" on page
8. Check for proper inflation of the trailer tires. Refer to the Specification section beginning on
9. Check the wheel lugs. Tighten or replace any that are loose or missing. If a tire
has been removed for axle service or replaced, tighten the lugs, in the order shown,
to the following specifications:
A. Start all lug nuts by hand.
B. First pass tighten to 20-25 ft-lbs (27-33 Nm).
C. Second pass tighten to 50-60 ft-lbs (67-81 Nm).
D. Third pass tighten to 90-120 ft-lbs (122-162 Nm).
Note: After the first road use, re-torque the lug nuts in sequence.
For maintenance interval information, refer to
25.
"Basic Maintenance Schedule - Isuzu
page 10.
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6
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