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Definitions of Hazard Levels

Identify the hazard levels used in this manual
with the following definitions and signal words:

DANGER

Watch for this symbol:

It Means:

Immediate hazards which will result

in severe personal injury or death.

WARNING

Watch for this symbol:

It Means:

Hazards or unsafe practices which

could result in severe personal injury or death.

CAUTION

Watch for this symbol:

It Means:

Hazards or unsafe practices which

could result in minor personal injury or product
or property damage.

Watch for this symbol! It means 

BE ALERT!

Your safety, or the safety of others, is

involved!

Owner's Responsibility

To maintain machine and user

safety, the responsibility of the owner is to
read and follow these instructions:

• Follow all installation instructions.

• Make sure installation conforms to all

applicable Local, State, and Federal
Codes, Rules, and Regulations; such as
State and Federal OSHA Regulations
and Electrical Codes.

• Carefully check the unit for correct

initial function.

• Read and follow the safety instructions.

Keep them readily available for
machine operators.

• Make certain all operators are properly

trained, know how to safely and
correctly operate the unit, and are
properly supervised.

• Allow unit operation only with all parts

in place and operating safely.

• Carefully inspect the unit on a regular

basis and perform all maintenance as
required.

• Service and maintain the unit only with

authorized or approved replacement
parts.

• Keep all instructions permanently with

the unit and all decals on the unit clean
and visible.

COATS 4050A Tire Changer • 1

DANGER

DANGER

Explosion Hazard

Never exceed 40
PSI while seating
beads.

Explosion Hazard

Never inflate
tire above
manufacturer's
recommended
pressure after bead
is seated.

CAUTION

!

WARNING

!

DANGER

!

Summary of Contents for Coats 4050A

Page 1: ...s Revision 02 97 Safety Instructions Operating Instructions Installation Instructions Maintenance Instructions READ these instructions before placing unit in service KEEP these and other materials del...

Page 2: ...to help prevent injury in typical shop activities Eye protection is essential during tire service activity Safety glasses with side shields goggles or face shields are acceptable Back belts provide su...

Page 3: ...ation conforms to all applicable Local State and Federal Codes Rules and Regulations such as State and Federal OSHA Regulations and Electrical Codes Carefully check the unit for correct initial functi...

Page 4: ...and with all parts orders Combination Tool Used in mounting and demounting operations Foot Pedal Operates the air valve for power bead loosening mounting and demounting Do It Now Now is a good time to...

Page 5: ...o the contoured table top with the narrow side of bead seatup figure 1 The positioning pin must engage a lug hole in the wheel Position the tire wheel assembly so that the valve stem is on the operato...

Page 6: ...lps in demounting tougher tires Figure 8 Removing Upper Bead 10 To remove the lower bead from the wheel repeat steps 8 9 and 10 REMEMBER Refer to the Tube Type Tire section of this manual before servi...

Page 7: ...ads and to the inside of the top bead figure 10 2 Place the tire over the wheel as shown in figure 11 Hook the mounting end of the combination tool over the rim flange and place the slot in the tool o...

Page 8: ...nd wheel positioned on the tabletop Dirt and debris could be blown into the air with enough force to injure the operator or bystanders Do not use the position to inflate a tire Bead Sealing 1 Connect...

Page 9: ...tly to avoid over inflation Excessive pressure can cause tires to explode causing serious injury or death to operator or bystander REMEMBER If you removed the valve core for bead sealing it must be re...

Page 10: ...lower shoe Figure 17 Installing 1 4 Shim 2 To service wheels over 11 wide extend the upper bead loosener post Remove the clevis pin raise the post to the appropriate height and reinsert the pin figur...

Page 11: ...ng or forcing the tube 2 Apply rubber lubricant to the beads of the tire 3 Mount the bottom bead 4 Put a small amount of air into the tube to round it out 5 Apply rubber lubricant to the tube and the...

Page 12: ...seated the tire is inflated Do not inflate the tire above the manufacturer s recommended pressure as stamped on the tire sidewall The typical inflation pressure for automobile tires is between 24 and...

Page 13: ...removing 4 self tapping bolts and 3 self tapping screws 2 Depress and hold the foot pedal to extend the cylinder to the top of its stroke 3 Remove the plastic breather plug Fill the cylinder to withi...

Page 14: ...chine on a regular basis C Clean the gauge lens frequently with glass cleaner D Make sure all fasteners are tightened securely E Make certain that all guards and covers are in place F Check for worn d...

Page 15: ...e lathe chips etc Avoid areas where bystanders and customers may be present Workspace Requirements Air Source The unit requires a 5 CFM air source at 150 PSI The safe operating pressure range is betwe...

Page 16: ...ny tire on a rim inspect the rim for rust tough spots bent edges or cracks that could prevent the tire from seating right If you spot any of these problems don t mount the tire until the rim has been...

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