OSHA requirement?

Not even on the list. Heater and defroster operation only.

 

Here's a quick reference in the area i live....
"The following components are thoroughly inspected to check that they comply with the National Safety Standard and applicable legislation:

• power train
• suspension hydraulic brake system
• brakes
• steering
• instruments and auxiliary equipment
• lamps
• electrical system
• body
• tires and wheels
• couplers and hitches"

 

Which country are you from? What you posted looks more like something that comes from a blog, than any actual regulation.

 

Most won't even check the heater, a union Carrier would take the A C out of new trucks so every body was the same. Arm buster A C always works, never needs maintaince

 

Defroster will still work. It just won't work as good.

 

It was just a quick clip off the Gov site.

 

Auxillary equipment is pretty vague. By that definition you could be driving a dump truck with a disconnected PTO and be in violation.

 

You can split hairs if you wish but it does say "and controls in all operating modes and positions"...failure criteria is "inop at any setting"


As i said, perhaps not in your area but in mine you could get tagged for it depending on who does the inspection and how they interpret it.

 

A/C operation has no effect on the "reject" criteria you posted. If it blows heated air out in all positions then how can it be rejected?