Northern Industrial Tools 123007 Operating Manual - page 5

4

Installing the Oil and Oil Breather Cap

Your air compressor is shipped without oil in the

crankcase. BEFORE STARTING THE AIR

COMPRESSOR YOU MUST ADD OIL TO THE

CRANKCASE AS DESCRIBED BELOW:

1. Place compressor on level ground.

2. Remove the Oil Shipping Plug from the Oil Fill

hole, located on the top of the crankcase cover

at the rear of the air compressor.

3. Slowly pour the oil into the Oil Fill hole, until the

oil level rises to the center of the red dot on the

Oil Sight Glass.

Note: This compressor uses only SAE 5W-30 

motor oil.

4. Install the Oil Breather Cap into the Oil Fill hole.

Firmly hand tighten the Oil Breather Cap by

turning clockwise.

(See Figure 3)

Installing the Air Chuck

Note: The use of a sealant tape is recommended on

the threads of the Air Chuck to prevent air leakage.

1. Thread the Air Chuck into the Air Regulator by

turning the Air Chuck clockwise.

2. Securely tighten the Air Chuck in place with a

wrench.

Note: DO NOT over tighten Air Chuck.

(See Figure 4)

Installing the Air Filter

The metal Air Filter is installed into the threaded

port of the cylinder head.

1. Thread the Air Filter into the Cylinder Head by

turning the Air Filter clockwise.

2. Securely tighten the Air Filter in place with a

wrench.

(See Figure 5)

Note: DO NOT over tighten Air Filter.

Figure 4. Installing the Air Chuck

Figure 3. Installing the Oil & Oil Breather Cap

Figure 5. Installing the Air Filter

Oil

Fill

Crank-

case

Figure 2. Installing the Wheels