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SET-UP, OPERATION & STORING 

SETTING UP YOUR AIR COMPRESSOR

Operate the air compressor in a dry, clean, cool, well ventilated area. Clean or blow off dust or dirt that collects on the air compressor. A clean
air compressor runs cooler and provides longer service. The ventilation openings on your air compressor are necessary to maintain proper
operating temperature. Do not place rags or other containers on or near these openings.

ADDITIONAL REGULATORS AND CONTROLS

Since the air tank pressure is usually greater than that which is needed, a regulator is employed to control the air pressure ahead of any
individual driven device. Seperate air transformers which combine the function of air
regulation, moisture and dirt removal should be used where applicable.

Preparation for use: 

1. Before attaching air hose or accessories, make sure the On/Off switch is set to

“OFF” and the air regulator is closed (completely turned counterclockwise). 

2. Attach the 1/4” male fitting (A) Fig.7 to one end of coil hose (B), then connect the

male fitting (A) into the quick connect outlet (C), then attach the any of the supplied
accessories (D) to the other end of the coil hose. To prevent air leaks, it is recom-
mended to install Teflon Tape (not supplied) on the threads at both ends of the coil
hose.

WARNING

: Too much air pressure causes a hazardous risk of bursting. Check the manufacturer's maximum pressure rating for air tools and ac-

cessories. The regulator outlet pressure must never exceed the maximum pressure rating of the tool being used.

3. Turn the switch to the On position and allow tank pressure to build. Motor will stop when tank pressure reaches “cut-out” pressure.

4. Open the regulator by turning it clockwise. Adjust the regulator to the correct pressure setting. The compressor is ready for use.

After Use: 

1. Set the switch to Off.

2. Turn the regulator counterclockwise to set the outlet pressure to zero.

3. Disconnect the air tool or accessory.

4. Pull ring on safety valve (A) Fig. 6, allowing air to bleed from the tank until tank pressure is approximately 20 psi. Release safety valve ring.

5. Drain water from air tank. Turn drain valve (A) Fig. 5, counterclockwise to open.

WARNING!: WATER WILL CONDENSE IN THE AIR TANK. IF NOT DRAINED WATER WILL CORRODE AND WEAKEN THE AIR TANK CAUSING A RISK OF AIR TANK
RUPTURE. 

NOTE: If drain valve is plugged, pull ring on safety valve (A) Fig. 6, and hold until all air pressure has been released. The drain valve can then
be removed, cleaned, and reinstalled.

6. After the water has been completely drained, turn drain valve to close. The air compressor can now be stored. 

FIGURE 7

Summary of Contents for 8438

Page 1: ...INSTRUCTION MANUAL COPYRIGHT 2014 ALL RIGHTS RESERVED BY KING CANADA TOOLS INC MODEL 8438 OIL FREE AIR COMPRESSOR KIT 05 2014 ...

Page 2: ...nd lack of maintenance King Canada shall in no event be liable for death injuries to persons or property or for incidental special or consequential damages arising from the use of our products To take advantage of this limited warranty return the product at your expense together with your dated proof of purshase to an authorized King Canada service center Contact your retailer or visit our web sit...

Page 3: ... the compressor when it is operating RISk OF bURSTINg WHAT CAN HAPPEN 1 Failure to properly drain condensed water from the tank causing rust and thinning of the steel tank 2 Modifications or attempted repairs to the tank 3 Unauthorized modifications to the unloader valve safety valve or any other components which control tank pressure 4 Excessive vibration can weaken the air tank and cause rupture...

Page 4: ...ordance with all local codes and ordinances WARNING TO MAINTAIN PROPER GROUNDING DO NOT REMOVE OR ALTER THE GROUNDING PRONG IN ANY MANNER 120V OPERATION As received from the factory your compressor is ready to run for 120V operation This machine is intended for use on a circuit that has an outlet and a plug which looks like the one illustrated in Fig 1 WARNING DO NOT USE A TWO PRONG ADAPTOR FOR TH...

Page 5: ... desired then bring it up to the desired pressure Depending on the air requirements of each particular accessory the outlet regulated air pressure may have to be adjusted while operating the accessory OUTLET PRESSURE GAUGE B FIG 4 The outlet pressure gauge indicates the air pressure available at the outlet side of the regulator The pressure is controlled by the regulator and is always less than or...

Page 6: ...nstall Teflon Tape not supplied on the threads at both ends of the coil hose WARNING Too much air pressure causes a hazardous risk of bursting Check the manufacturer s maximum pressure rating for air tools and ac cessories The regulator outlet pressure must never exceed the maximum pressure rating of the tool being used 3 Turn the switch to the On position and allow tank pressure to build Motor wi...

Page 7: ... pressure switch Tighten drain valve Check connections for leaks seal with Teflon tape Drain tank through drain valve Move compressor to area of less humidity Risk of electric shock TROUBLE SHOOTING MAINTENANCE Before doing any maintenance or adjustments to your air compressor the following safety precautions should be taken Disconnect electrical power Release air tank pressure Daily or before eac...

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