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The following solvents/cleaners ARE COMPATIBLE with polycarbonate:
Mild soap and water
VM & P Naphtha
Varsol No. 2
#1 & #3 denatured alcohol
Freone TF & TE-35
10% Sol Bon Ami®
2% Sol. Reg. Joy
Methyl, isopropyl & isobutyl alcohols
Petroleum Ether/65 degrees C boiling point
The following solvents/cleaners MUST NOT be used with polycarbonate:
Methyl Ethyl Keytone (MEK)
Texize-8006, 8129, 8758
Liquid Cleaner - 8211
All Liquid Detergents
Pink Lux® (phosphate free)
Lemon Joy® (phosphate free)
Tips To Prolong Equipment Lighting
Never use a test probe to pierce wire insulation when troubleshooting lighting complaints. Wicking action takes place which causes moisture to travel along the wire strands and corrode critical connections. If probing a harness or wire is necessary, make sure the puncture is properly sealed.
To correct voltage problems, discover the real cause. Under-voltage often is caused by poor electrical connections. To correct under-voltage, don’t just turn up the voltage — find out what caused the under-voltage problem.
Many discarded lamps are still in good condition. Play detective when solving lamp problems. First, test with either a meter, power supply, or battery. Our 97100 tester is an excellent tool for this. Then if you desire, open the lens on a discarded lamp and examine the bulb. It will tell you why it failed. For example:
A bulb with stretched or broken filaments was subjected to vibration.
A yellowish, whitish or bluish glaze on the bulb indicates a rupture in the bulb glass envelope.
A dark metallic finish indicates old age.
A black, sooty bulb indicates a poor seal in bulb.
Test all lamps one more time before you discard them. Truck-Lite’s warranty department reports that up to 20 percent of all lamps sent back are still in good operating condition. The ones that aren’t working can be turned over to your lamp supplier.
All lamps will live longer if they run cool. Dirt on the lens increases the heat, so keep them as clean as possible. Other people can see your rig, and that is one of the purposes of the lighting system – to be seen. Certain lighting products generate heat. Care should be taken to avoid contact with flammable materials.
Treat the electrical system as you would the chassis. Lubricate sockets, pigtails, battery terminals and connections with NYK 77 “non-conductive” anti-corrosion compound. The purpose of the sealant is to totally encapsulate and protect against corrosion and water.
Inspect for improper ground connections. This is a major cause of lamp failure, especially when the trailer is used for a ground. When lamps are grounded through the lamp housing, make sure there is a clean connection (i.e., metal-tometal). Also, a fifth wheel ground strap may be used for added protection on the chassis ground system.
Look for loose, bare or unsupported wire, and fixtures. Harnesses and wiring should be on the underside of top frame members rather than on the bottom where dirt and road splash collect.
Always replace wiring, trailer light cables, and harnesses with an equal or heavier gauge of wire than was used in the original specifications. If you don’t, you may cause unnecessary problems.
On older trucks, you should never crank the truck when any lights or accessories are on. Also, never leave markers and hazard lights on when parked against a dock. Melted lenses are a sure sign that the vehicle has been parked against the dock while the lights were on.
Inspect the grommets that house the lamps. As they age, they eventually will deteriorate from sunlight, ozone and harmful chemicals. New grommets restore shock protection, security and improves appearance.