Harbor Freight Tools 90749 Not to strip the plastic threads See Figure C, See Figures D, and E

the oil appears in the middle of the circle in the Oil Sight Gauge. (See Figure C.)

3.If the oil level is below the middle of the circle in the Oil Window (B23), UN- SCREW (do not pull) the Oil Cap (23) out of the Oil Fill Hole. Next, add oil into the Oil Fill Hole until the level of oil reaches the middle of the circle as indicated in the Oil Window. Do not overfill. Note: Optimal capacity of the oil reservoir is

21.5 ounces. Then screw the Oil Cap back onto the Oil Fill Hole, being careful

not to strip the plastic threads.		(See Figure C.)
	FRONT VIEW	SIDE VIEW

OIL CAP

(23)

OIL

WINDOW

(B23)

FIGURE C

4.CAUTION: ALWAYS make sure the crankcase of the Gasoline Engine

(5) is filled to the proper level with a premium quality, 30-weight, non- detergent engine oil prior to starting the engine. Failure to do so will result in damage to the Air Compressor and void its warranty. Refer to the engine manufacturer’s instruction manual for further information.

5.Check to make sure the Drain Plugs on both Air Tanks (31) are fully closed.

(See Figures D, and E.)

TYPICAL DRAIN PLUGS

1/4” HEX

PIPE

FIGURE D

6.Turn the Tool Pressure Valve (13) clockwise all the way to allow compressed air to build up in the Air Tanks (31). (See Figure B.)

		REV 02/04
SKU 90749	For technical questions, please call 1-800-444-3353.	Page 8