Harbor Freight Tools 66399 operating instructions REV 09f, 09h 10a 10d

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b. Connect BLACK terminal of the Compressor to a good ground source on the engine block.

WARNING! Do NOT connect it to the other battery terminal.

c. Note: The power source must not exceed 12V.

6.WARNING! Failure to follow the fol- lowing steps can lead to a blown fuse.

7.Be sure the valve stem is clean and free of dirt.

8.Flip the On/Off Switch (25) to the “ON” position. (See Fig. 2.)

On/Off Switch (25)

Fuse (26)

Fig. 2

9.Holding the Air Nozzle Grip (56), thread the Air Nozzle (55) onto the valve stem of the item to be inflated, or attach an alternate Inflator Nozzle

(61,62,63).

10.NOTE: When inflating, finger-tighten

Air Nozzle only. Do not over-tighten.

11.Monitor the Pressure Gauge carefully to avoid over-inflating the item. (See

Fig. 3, above.)

Fig. 3

12.Continue inflating until the recom- mended pressure is reached.

13.Stop the compressor by clicking the On/Off Switch to its “OFF” position.

14.Remove the Air Nozzle by unthreading it from the valve stem.

NOTE: In the case of a football or soccer ball, pull the Needle Nozzle

(63), out of the ball valve orifice.

NOTE: After disconnecting the Com- pressor, it is advisable to verify tire pressure with a tire pressure gauge (not included).

NOTE: Remember to replace the valve cap, where applicable.

15.If the tire pressure is low, repeat the steps beginning with Step 7.

16.Remove the clamps from the power source.

WARNING! The metal parts of the compressor and hoses will become hot during use.

REV 09f, 09h; 10a; 10d

SKU 66399

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

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Contents For technical questions or replacement parts, please call HIGH-VOLUME 12VDC AIR CompressorWork area Safety Alert Symbol and Signal WordsSave This Manual GeneralService Min Symbol DefinitionsSpecific Safety Instructions Symbol Property or statementFunctional Description Initial Tool Set Up AssemblySpecifications Vibration PrecautionsOperating Instructions Tool Set UpWork Piece and Work Area Set Up General Assembly and Operating InstructionsREV 09f, 09h 10a 10d Cleaning, Maintenance Lubrication User-Maintenance InstructionsProblem Possible Causes Likely Solutions TroubleshootingPart Description Parts ListAccessory List Part Description QtySKU For technical questions, please call Assembly DiagramRecord Product’s Serial Number Here Limited 1 Year warranty