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Untitled Document
Buyer's Guide for

A/C Recycle & Recovery Systems

  ROB34288   ROB34788
       ROB34288        ROB34788
ROB34788H   ROB34988
       ROB34788H        ROB34988

  top ABOUT: Recovery & Recycle Systems
by Robinair®

For years, R-134a was cheap and plentiful. Today it's a different story – refrigerant is much more expensive and not always available.

The Robinair® 34988, 34788 & 34288 recover up to 20% more refrigerant, which means it will cost less to recharge the system. The best charge accuracy that could be claimed by older generation service machines was +/- 1 ounce, a 3% error on a two-pound system. That same charge accuracy on a 14-ounce system is over twice the error (7%). Early R-134a systems could still provide some cabin cooling when they were 4-6 ounces (12-18%) low on refrigerant. However, new designs are so efficient, they do not have reserve refrigerant, and charge accuracy is critical.

The 34988, 34788 & 34288 will recharge the vehicle to within 1/2 ounce of the charge capacity, and you will avoid the dreaded "come back". As the shop owner, you will realize more profits per service by recovering more refrigerant and charging less.

Four Systems to Choose From:

Semi-automatic Cool-Tech.
34788: Fully automatic Cool-Tech.
34788-H: Fully automatic Cool-Tech with Hybrid capabilities.
34988: Fully automatic, premium Cool-Tech.

  • Product
Comparison Chart
  • About Robinair®
A/C Recovery
& Recycle

• Accessories,
Replacement Parts
& Maintenance Kits

• Promotions
& Upgrades

• Product Videos

• Training & Support

• Literature,
& Manuals

• Warranty & Repair

• Sources

To shop All Robinair® Products - click here

Robinair® System Accessories
  • shop Robinair® Oil Injector (ROB16256)
  • shop Robinair® Refrigerant Capacities Database (ROB34411B)

  • CONTACT: at 1-800-794-6793
Robinair® Oil Injector
Robinair® Refrigerant Capacities Database

Robinair® Replacement Parts
  • shop Robinair® Filter (ROB34724)
  • shop Robinair® Low Side Coupler (blue) (ROB18190A)
  • shop Robinair® High Side Coupler (red) (ROB18191A)

  • CONTACT: at 1-800-794-6793
Robinair® Filter
Robinair® Low Side Coupler (Blue)
Robinair® High Side Coupler (Red)

Robinair® Maintenance Items
  • shop Robinair® Maintenance Kit (ROB13172)
    Keep recovery and recycling units operating at peak efficiency.
    • One quick change filter-drier
    • One 16 oz. bottle Premium High Vacuum Pump Oil
  • shop 1 Qt. A/C Premium High Vacuum Pump Oil (ROB13203)

  • pdf See ROBINAIR® TRAINING AND SUPPORT for Maintenance Instructions

    CONTACT: at 1-800-794-6793
Robinair® Maintenance Kit
1 Qt. A/C Premim
High Vacuum Pump Oil
    Please check back.
top Robinair® Product Videos:
Robinair® Cart Family - 34988, 34788, 34288 A/C RRR Machines - English

Robinair® - Spanish Demonstration Video - Spanish

Robinair 34788 Cool-Tech - English

User Manuals
Instructions for safety, operation, maintenance of each product, and more, is available in the Unit's User Manual. Copies can be downloaded in the section linked below:
Maintaining Your Recover, Recycle and Recharge Equipment
Performing regular maintenance check-ups will help keep your recover, recycle and recharge equipment in great condition and provide you with many years of dependable service.

Recovery, Recycle, and Recharge machines are built to provide years of reliable service. However, it is an electro-mechanical device and as such does require routine maintenance. Regular service intervals will help keep the machine running at peak performance levels. It is important to always read and follow manufacturers recommended service procedures.

Some of the items that require regular inspection are as follows:

  • Service Couplers
    Typically dirt and debris in the service environment are the main causes of service couplers failure. Technicians must inspect the receiving end of the coupler to make sure it is clean and oil free. Also inspect the O-rings to make sure they are pliable and free of cuts or gouges. Finally, inspect the valve to ensure it is free of dirt and turns freely.

  • Hoses
    It is important to inspect the hoses for cracked, abraded, or blistered areas. Cracks and abrasions indicate external wear whereas blisters generally indicate internal problems. If any of these wear indicators are present, it's best to replace the hose. Also inspect the hose crimps and fittings on the end of the hoses as well as valve core depressors to make sure they are free of dirt and operate freely. Double check the gaskets for wear and pliability.

  • Refrigerant Scales
    Refrigerant scales ensure that the correct amount of refrigerant is charged into the vehicles A/C system. Follow the manufacturer's procedure for checking scale accuracy at least once per year or after service on the unit has been performed. If the unit is equipped with a DOT tank, examine it to make sure it is up to date.

  • Filters
    While the inspection covers are still off, it is an ideal time to change the filters if necessary. Some recovery machines keep track of filter life based on the number of pounds of refrigerant filtered and prompt the user when it is time to change the filter. Some manufacturers recommend a filter change after servicing a certain number of vehicles. Either way, a properly maintained filter will keep the recovery machine running at peak performance. Always remember to inspect the gaskets and threads when changing filters.

  • Vacuum Pump Oil
    If the recovery machine comes with a vacuum pump, make sure to change the pump oil when required. Vacuum pump oil is hydroscopic, which means it has an affinity for absorbing water, resulting in rust or scale build-up on internal components. Be careful not to overfill the vacuum pump. When this occurs, oil will discharge in the exhaust air and settle on other internal components attracting more dirt and debris. It may also cause the vacuum pump to smoke, prompting a service call.

  • General Maintenance
    The machine itself has several internal components that should be inspected to ensure many years of dependable service. About every thirty days the unit should be inspected with an electronic refrigerant leak detector. While performing this task, a visual inspection of the electrical system can also be done. Check to make sure electrical connections are secure, the power cord is not damaged and that all the safety guards are installed properly.

    Examine the periphery of the recovery machine; examine the wheels, casters, and cabinet for damage. Wheels or casters that do not move freely will at very least be an annoyance and may cause the unit to tip over. Lastly, protect the unit when not in use by using a dust cover. Dust covers not only keep dust from migrating to the internal parts of the machine, they also protect the machine from inadvertent bumps in a shop environment.


  • shop Robinair® Maintenance Kit (ROB13172)
    Keep recovery and recycling units operating at peak efficiency.
    • One quick change filter-drier
    • One 16 oz. bottle Premium High Vacuum Pump Oil

    To order contact: at 1-800-794-6793
Product Technical Support and Customer Service
For technical support or troubleshooting of your unit, call:
  • Robinair® Customer Service: 800-628-6496
    Fax: 800-283-8665

  • Robinair® Technical Service: 800-822-5561
    Fax: 866-259-1241


Robinair® provides factory warranty coverage with your equipment purchase. The warranty is only valid for the original purchaser of the unit. If your unit needs repair or replacement parts, contact the service center in your area.

To keep your product fully covered, please be sure to:

  • Register your product within ten (10) days of purchase.
    You will be required to provide the model number, the serial number of the unit and the date of purchase.

  • Keep your Proof of Purchase for Warranty Service.
    This will be required for warrantied service.
    • The proof of purchase not only identifies the date that the warranty started, but also identifies the correct item purchased so the proper warranty and software updates are loaded. It also identifies the original purchaser of the unit. This would typically be a receipt or invoice that shows proof of payment and must include the part number and price. Order Acknowledgements cannot be used as a proof of purchase and hand written receipts are not accepted. Items may be returned to you unrepaired if a valid proof of purchase is not sent in with a warranty request.
Warranty Registration
  • visit REGISTRATION (Online Submission)
  • 1-800-822-5561 and follow the prompt for Robinair® technical support
Service Center Locations
  • visit SEARCH BY LOCATION (Online Locator)
  • 1-800-822-5561 and follow the prompt for Robinair® technical support

Robinair® Recovery and Recycle Units are covered under the following Warranty:
Rev. November 1, 2005

This product is warranted to be free from defects in workmanship, materials, and components for a period of one year from date of purchase. All parts and labor required to repair defective products covered under the warranty will be at no charge. The following restrictions apply:

  1. The limited warranty applies to the original purchaser only.
  2. The warranty applies to the product in normal usage situations only, as described in the Operating Manual. The product must be serviced and maintained as specified.
  3. If the product fails, it will be repaired or replaced at the option of the manufacturer.
  4. Transportation charges for warranty service will be reimbursed by the factory upon verification of the warranty claim and submission of a freight bill for normal ground service. Approval from the manufacturer must be obtained prior to shipping to an authorized service center.
  5. Warranty service claims are subject to authorized inspection for product defect(s).
  6. The manufacturer shall not be responsible for any additional costs associated with a product failure including, but not limited to, loss of work time, loss of refrigerant, crosscontamination of refrigerant, and unauthorized shipping and/or labor charges.
  7. All warranty service claims must be made within the specified warranty period. Proof-of-purchase date must be supplied to the manufacturer.
  8. Use of recovery/recycling equipment with unauthorized refrigerants or sealants will void warranty.
    • Authorized refrigerants are listed on the equipment or are available through the Technical Service Department.
    • The manufacturer prohibits the use of the recovery/recycling equipment on air conditioning (A/C) systems containing leak sealants, either of a seal-swelling or aerobic nature.

This Limited Warranty does NOT apply if:

  • The product, or product part, is broken by accident.
  • The product is misused, tampered with, or modified.
  • The product is used for recovering or recycling any substance other than the specified refrigerant type. This includes, but is not limited to, materials and chemicals used to seal leaks in A/C systems.

The following information is designed to facilitate product selection. Please read product descriptions before purchasing.

Robinair® Recovery and Recycle

Semi Automatic

Fully Automatic
Hybrid Capable
  ROB34288 ROB34788 ROB34788H ROB34988
non-Hybrid Vehicles
Hybrid Vehicles      
Recovery Accuracy +/- 1.0 oz.
Recharge R-134a
Vacuum Leak Tests -
Monitors level after evacuation;
informs of possible leak
Meets SAE J-2788
accuracy standards
Automatic Air Purge -
Eliminates damaging air
without monitoring gauges
or opening valves
Fully Automatic Vacuum Feature -
Defaults to 15mins;
programmable up to 99mins;
"Remaining time" is displayed
Multilingual Display
Management System -
Displays refrigerant use and monitors remaining filter life; Prompts appear when 1/3 of filter life remains.
Fully Automatic Functions -
Program to recover, vacuum, leak test and charge without operating panel valves
Automatic Oil Drain -
A display reminds you to
empty the graduated container to show the amount of oil
to replace
Oil Inject -
Less than 1% cross-contamination
Refrigerant & Oil Database -
For North American market vehicles 1994 - 2009
Indicator light
and notification alarm -
Notifies the user when service
is complete, or if a problem
has occurred.
Refrigerant Refill -
Maintains a user-selectable amount of refrigerant in an internal vessel and signals
when it's time to change supply tank; no monitoring required.
Refrigerant Charging -
Select a charge mode
from high or low side
Capable of servicing
high voltage electric compressor A/C systems
Automatic Dye Inject -
Gives the user the ability
to use the machine to inject UV dye into a vehicle's A/C system
Automatic Oil
measure & Inject -

The machine will
automatically determine
how much lubrication oil
needs to be injected back
into the A/C system based on
how much oil was taken out during recovery
A/C system flush -
Flushes a vehicle's A/C system with refrigerant eliminating
any residual oil or other liquid
(Flushing adapters
- not included
Save & Print
before and after
service data -
Allows the user to store
before and after service information by vehicle
and print this information
to provide to a customer
Dimensions 49"H
WEIGHT 225 LBS 235 LBS 235 LBS 232 LBS
Voltage 115V
60 Hz
60 Hz
60 Hz
60 Hz
Utilization Voltage Range 104-127 104-127 104-127 104-127
operating range 50° - 120° f
(11° - 49° c)
50° - 120° f
(11° - 49° c)
50° - 120° f
(11° - 49° c)
50° - 120° f
(11° - 49° c)
filter-drier 43 cu. in.
spin on type
43 cu. in.
spin on type
43 cu. in.
spin on type
43 cu. in.
spin on type
pump free-air
1.5 cfm
(42 l/m)
1.5 cfm
(42 l/m)
1.5 cfm
(42 l/m)
1.5 cfm
(42 l/m)
Replacement Parts: ROB34288 ROB34788 ROB34788H ROB34988
Filter -
Low Side Coupler (blue) - (ROB18190A)
High Side Coupler (red) -
Optional Accessories: ROB34288 ROB34788 ROB34788H ROB34988
Oil Injector -
Capacities Database -
flushing Adapter -
Maintenance: ROB34288 ROB34788 ROB34788H ROB34988
Maintenance Kit -
Product Descriptions
The semi-automatic Cool-Tech 34288 combines simple operation with superior accuracy. It recovers, recycles, evacuates, and recharges R-134A quickly and accurately. Meets SAE J-2788 standards for accuracy: 95% refrigerant recovery and charging to +/- 1/2 oz.

The fully automatic Cool-Tech 34788 combines simple operation with superior accuracy. It recovers, recycles, evacuates, leak tests, and recharges R-134a quickly and accurately. Fully automatic function lets you recover, vacuum, leak test, charge, and then walk away.
  • Recovers 20% More Refrigerant
  • Charge Accuracy +/- 1/2 Ounce
  • Control panel offers flat storage feature when not in use
  • Two large tool storage areas
  • Built-in storage for extra filter
  • On-board storage for compressor oils

The fully automatic with hybrid capabilities Cool-Tech 34788-H is one machine to safely service both conventional and high voltage A/C systems. Recovery accuracy ± 1.0 oz. and charge accuracy ± 1/2 oz. Higher accuracy for today's low volume A/C systems.
  • Voltage: 115 volt, 60 Hz
  • Refrigerant container onboard: 30 lb. (14 kg) vessel
    (source tank not included)
  • Operating range: 50 – 120° F (11– 49° C)
  • Pump-free air displacement: 1.5 c.f.m. (36 L/minute)

The premium Cool-Tech 34288 combines simple operation with superior accuracy. It recovers, recycles, evacuates, and recharges R-134A quickly and accurately. Meets SAE J-2788 standards for accuracy: 95% refrigerant recovery and charging to +/- 1/2 oz.

Information: ROBINAIR® January 2013.
"Maintaining Your Recover, Recycle and Recharge Equipment" (
Robinair® Promotions (
OTC® Product Videos(
Robinair® Customer/Technical Service (
Robinair® Brochures and Manuals(


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