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or how to rewire your vehicles, you should contact the tractor manufacturer, auxiliary equipment manufactur-
er, and/or Pratt at 800-546-7728
Turn signal and hazard flasher system
The turn signal lever and hazard flasher switch are located in the truck tractor. To operate the turn signals,
the ignition switch must be in the ON position. The hazard flasher system is operated independently of the
ignition switch in most cases. All turn signal lights can be made to flash simultaneously by pulling out the
activating knob on the hazard flasher switch.
Two flasher units are used for the trailer. One unit is used in the turn signal circuit, and the other for the
hazard flasher system located in the truck tractor. The most common problems with the turn signals and hazard
flasher system are defective flashers, burned-out bulbs, blown fuses, defective switches, or faulty wiring.
Reflectors
Reflectors are located on the front, sides, and rear sections of the trailer. They should be kept clean by
wiping with a damp cloth. Replace any reflectors that are cracked or broken.
Stop, tail, turn, marker & identification lights
To remove lens and bulb, insert a screwdriver under the lens flange and pry lens out of the soft housing.
Disconnect from plug and wire assembly. To replace lens and bulb, reconnect the plug and wire assembly, tilt
the lens slightly, and push lens into soft housing.
License lamp
To remove license and bulb from the license lamp, remove three (3) screws and remove license cover.
Follow same instructions as for the clearance, marker, and identification lamps above. Install cover with three
(3) screws.
Additional Maintenance requirements for Rollerbed Trailers
Some required maintenance is directly the result of the trailer being a ground level rollerbed. These are
additional items that require attention.
1. Make sure all working parts of the roller locking device are well fastened, lubricated and in good
working order. A dry lubricant is highly recommended.
2. Keep all bearings working properly. Also keep the set screws tight on the bearings to keep the rollers
adjusted properly in relation to the locking pins. These bearings are sealed and do not require
lubricant. The rear deck roller and ground rollers utilize a bronze Teflon bushing that may require
grease about every 3 months.
3. Check slider pads on the slide bogey. When they wear off, replace them to keep the bogey and the
trailer main frame from sliding steel on steel. Parts can be ordered through ASI Commander parts
department.
4. Lubricate, about once a month, inside the main frame where the slide bogey touches the main frame
from the front stop blocks to the back stop blocks. DO NOT USE GREASE on the slide pads or the
bottom flange of the main frame. All expandables require dry lubricant on the top flange of the inner
beam once a month.
NOTE: A dry lubricant is highly suggested for these working parts especially in a cold climate and may even be
used on the slider pad area.
1. The articulating Arm of the Hydraulic Neck pivots inside a sleeve under the main frame of the trailer
& grease zerks are available for lubrication.
2. Insure that the ground wires are clean and are well contacted. DC power system requires proper
grounding for maximum performance.
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