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SKU 92649

For technical questions, please call 1-800-444-3353

Specifications

Note: Accuracy of the Gauge is ± 2%

WARNING!!  ONLY USE REFRIGERANT R-134A WITH THIS A/C MANIFOLD GAUGE SET.

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instructions, 
operating and maintenance procedures, parts list and diagram.  Keep your invoice with this 
manual.  Write the invoice number on the inside of the front cover.  Keep the manual and 
invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be followed to 
reduce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. 

Keep work area clean.  Cluttered areas invite injuries.

2. 

Observe work area conditions.  Do not use tools in damp or wet locations.  Do not 
expose to rain.  Keep work area well lit.

3. 

Keep children away.  Children must never be allowed in the work area.  Do not let 
them handle the A/C Manifold Gauge Set.

4. 

Store idle equipment.  When not in use, the A/C Manifold Gauge Set must be stored 
in a dry location to inhibit rust.  Always lock up this product and keep it out of reach of 
children.

5. 

Use the right tool for the job.   There are certain applications for which this A/C 
Manifold Gauge Set was designed. It will do the job better and more safely at the rate 
for which it was intended. Do not modify this A/C Manifold Gauge Set and do not use 
this A/C Manifold Gauge Set for a purpose for which it was not intended.

6. 

Dress properly.  Do not wear loose clothing or jewelry as they can be caught in 
moving parts.  Protective, electrically nonconductive clothes and nonskid footwear are 
recommended when working.  Wear restrictive hair covering to contain long hair.

7. 

Use eye, ear and hand protection.  Always wear ANSI approved impact safety 
goggles.  Wear an ANSI approved dust mask or respirator when working around 
chemical dusts and mists. Wear heavy duty work gloves with working with R134a 
refrigerant.

REV 05f, 09i

Blue Gauge

Low Side - 2-1/2” diameter, 0-120 PSI, 0-40 VAC

Blue Hose

1

/

4

” FFL x 4’ 9” with knurled fittings and twist valve with quick disconnect

Red Gauge

High Side - 2

1

/

2

” diameter, 0-500 PSI

Red Hose

1

/

4

” FFL x 4’ 9” with knurled fittings and twist valve with quick disconnect

Charging Hose

Yellow, high pressure, 

1

/

2

” ACME x 4’ 9” with knurled fittings

Materials

Steel, Aluminum, Brass, Acrylic Plastic, High Pressure Hose

Weight

4.5 Lbs.

Set includes Quick Disconnect Valves

Summary of Contents for 92649

Page 1: ...AZARD if done by an untrained or inexperienced technician REV 05f 09i Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in seriou...

Page 2: ...Always lock up this product and keep it out of reach of children 5 Use the right tool for the job There are certain applications for which this A C Manifold Gauge Set was designed It will do the job...

Page 3: ...influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the to...

Page 4: ...rostbite if it comes in contact with the skin Always follow the safety warnings and instructions provided by the manufacturer of R 134a refrigerant 5 Never disconnect any hose while the hose is under...

Page 5: ...General instructions for testing an A C system are outlined in this manual Specific procedures for each individual system type and model should be referenced in the vehicle manufacturer s specific A...

Page 6: ...Connect the Blue Low Pressure Coupler 23 to the A C system on the low side line See FIGURE 1 above Operation continued Coupler 23 clockwise to open 8 Note The pressure you see on both the high and low...

Page 7: ...onoxide emitted from a running engine is a colorless odorless gas that can cause injury and death if inhaled 7 Set the A C system for maximum cooling for about ten minutes to allow pressures to stabil...

Page 8: ...HOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS T...

Page 9: ...ntal or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of mercha...

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