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March/April 2013 Issue of
Welcome to the spring issue of RV Technician
Warmer temperatures mean RV owners are planning their summer getaways and bringing their units out of hibernation. What better time to make sure the air conditioning works than before it's actually needed!
No doubt you occasionally get a service customer who wants you to simply “top off” the refrigerant in his leaky AC unit rather than go to the time and expense of finding the leak. But the band-aid approach doesn’t cure the problem and also hurts the environment. Please read “Servicing RV Rooftop Air Conditioners” by Gary Motley and “Air Conditioner Service” by the Mobile Air Conditioning Society (MACS) for sound advice on how and why to handle AC repairs.
A special story in this edition—“The RV Roof Demystified” by RVDA Service Consultant Tony Yerman—was prompted by a recent reader inquiry. A service manager asked if RV Technician could help sort out the confusion surrounding what kind of sealer and primer to use on which type of RV roof material. The manager was getting seemingly conflicting information from manufacturers about whether or not a primer is even needed when repairing some types of roofing. The manager had also gotten a service bulletin from an RV manufacturer indicating that the primer it had used to adhere skylights on some of its units may have caused the skylights to crack, making the units susceptible to water damage. Which roof products are compatible with which RV brands, the manager wanted to know.
Tony talked with several of the major roof material suppliers to get answers. In his article, he describes the five types of roof membranes and how to identify them. Then he discusses which type takes which kind of sealant and which products are compatible with which RV brands.
How about you—are you experiencing problems with sealants, roof membranes, and related service bulletins? Let us know!
Table of Contents
The RV Roof Demystified
Which type of roof membranes require which type of sealants and primers? Which are compatible? The author gets the answers direct from leading manufacturers.
Servicing RV Rooftop Air Conditioners
do their customers a favor by making them aware of the need for air conditioner maintenance before they break down in Florida in July. Here's a detailed article on cleaning and repairing units.
Air Conditioner Regulations and Service
- Don't use the wrong chemicals or techniques when working on AC units--review the federal regulations that all techs must follow.
The Facts About Jacks
- A jack is of the easiest pieces of equipment to operate. But every year, many technicians are seriously injured because they didn't use it properly.
- There's more than one path to certification, and it's easier than you think. There are online courses, study guides and tests, and more. Choose
troubleshooting common furnace problems; avoiding injuries caused by jacks; certified warrant administrator Regina Kerr is recognized by Society of Certified RV Professionals; new Service Management Guide has more labor times; properly grounding port
RVTech Nov/Dec 2014
35 technicians are honored by a new society for RV dealership professionals; developments in wireless TV technology make wiring inside RVs easier
RVTech Sept/Oct 2014
Troubleshooting furnaces, a simplified method for changing batteries in a battery pack, available training that qualifies for continuing education credits
RVTech July/Aug 2014
Diagnosing electrical problems, adjusting labor rates according to skill, a must-have safety standards text for technicians
RVTech May/June 2014
Air conditioner special section; slide toppers; new products
RVTech March/April 2014
Generators, Common Method for Installing Water Heaters, Battery Technology and Maintenance
RVTech Jan/Feb 2014
New online self-study courses available; online prep courses that can be used for recertification; Distance Learning Network offers certification prep; Northampton Community College's online program for techs
RVTech Nov/Dec 2013
Water Pumps, Accident Prevention, Exterior
RVTech Sept/Oct 2013
The Essence of Integrated and Aftermarket Brake Controllers, Plus Basic Troubleshooting.
RVTech July/August 2013
Air Conditioner Frost Build-Up. Repair RV Flooring.
RVTech May/June 2013
Electrical System Troubleshooting
RVTech March/April 2013
The RV Roof Demystified, Servicing RV Rooftop Air Conditioners, Air Conditioner Regulations and Service and The Facts About Jacks
RVTech Jan/Feb 2013
Make 2013 All About Training
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