Supersedes 17800B
Need help with installation? Our AI assistant has read this installation manual and can help you find the right page and walk you through each step.
The Robinair 34888HD is a heavy-duty R-134a service machine engineered for the most demanding mobile air conditioning systems. With industry-leading 98.5% efficiency and SAE J2788 certification, this machine delivers professional recover, recycle, evacuate, leak-test, and recharge operations for both small and large capacity systems—including buses and other heavy-duty mobile equipment.
Designed for high-volume service environments, the 34888HD features a removable external 50 lb. DOT cylinder and powerful liquid pump to handle the largest A/C systems with ease. Its fully automatic operation eliminates guesswork and ensures consistent, repeatable results service after service.
Whether you're servicing standard passenger vehicles or heavy-duty commercial fleets, the Robinair 34888HD provides the performance, capacity, and reliability your shop demands. The integrated refrigerant management system tracks usage and filter life, while the 5 cm x 9 cm graphical display offers multilingual support (English, French, Spanish) and intuitive operation for technicians of all experience levels.
The new 34888HD design delivers advanced capabilities tailored for heavy-duty applications:
The fully automatic function allows you to program the machine to recover, vacuum, leak test, and charge without operating panel valves—freeing up your technicians to work on other tasks. Visual and audible alarms notify the user when service is complete or if a problem has occurred, ensuring safe and efficient operation at every stage.
An automatic air purge feature eliminates system-damaging air without requiring manual monitoring of gauges or opening valves. The oil inject capability automatically injects oil back into the vehicle's A/C system to maintain proper lubrication. The vacuum feature defaults to 15 minutes and is programmable up to 99 minutes, with remaining time displayed on the graphical screen.
The refrigerant management system actively displays refrigerant use and monitors remaining filter life, with prompts appearing when 1/3 of filter life remains. The high-capacity 300 lb. (136 kg) spin-on filter-drier ensures clean, dry refrigerant for optimal system performance and longevity.
Built with a rugged 3/8 hp pressure-protected, oiled, hermetically sealed compressor and 18 ft (5.5 m) service hoses, the 34888HD is engineered to withstand the demands of professional shop environments. The machine operates reliably across a wide 32° - 120°F (0°-50°C) temperature range, ensuring consistent performance in any climate or season.
Looking for full specifications and features?
Check out the Product Specifications and Product Features tabs above for complete specs, dimensions, and detailed feature breakdowns.
To view or download the Robinair AC Comparison Sheet, click here.
WARNING: These products can expose you to chemicals including gas or diesel fumes, which is [are] known to the State of California to cause cancer, and gas or diesel fumes, which is [are] known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Robinair
CPS Products
Robinair
Robinair
Robinair
US Dollars