Snap-On EEWH311B Operation Instructions Manual
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Snap-On EEWH311B Operation Instructions Manual

Air-electric tire changer
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EEWH311B
Air/Electric Tire Changer
Operation Instructions
Form ZEEWH11B3 Rev C

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Summary of Contents for Snap-On EEWH311B

  • Page 1 EEWH311B Air/Electric Tire Changer Operation Instructions Form ZEEWH11B3 Rev C...
  • Page 2 EEWH311B Air-Electric Tire Changer Operation Manual Page 2...
  • Page 3 For your safety, read this manual thoroughly before operating the EEWH311B Air-Electric Tire Changer The EEWH311B Air-Electric Tire Changer is intended for use by properly trained automotive technicians. The safety messages presented in this section and throughout the manual are reminders to the operator to exercise extreme care when changing tires with these products.
  • Page 4 EEWH311B Air-Electric Tire Changer SAFETY INSTRUCTIONS IMPORTANT!! SAVE THESE INSTRUCTIONS!! Overinf ated tires or tires mounted on the wrong sized rims can explode producing hazardous f ying debris. Read Operator’s Manual before using this Tire Changer. Never mount tire on rim with different sized diameter.
  • Page 5 EEWH311B Air-Electric Tire Changer Risk of crushing. Stand clear of bead breaker arm during operation. Warning ! Read and understand the operation instructions before using this tire changer. Become familiar with all controls before proceeding with operation. Stand away from the bead breaker arm when in operation.
  • Page 6 EEWH311B Air-Electric Tire Changer Tires and rims that are not the same diameter are mismatched.  NEVER attempt to mount or infl ate any tire and rim that are mismatched.  ALWAYS check to see that tire and rim diameters are the same.

  • Page 7: Table Of Contents

    EEWH311B Air-Electric Tire Changer TABLE OF CONTENTS Safety Statements ........................ Page Table Of Contents ......................... Page Introduction ........................... Page Specif cations And Features ....................Page Nomenclature ........................Page 1.2.1 Turntable & Cabinet Features ....................Page Accessories and Consumables .................... Page Floor and Space Requirements ....................

  • Page 8: Introduction

    With a minimum of maintenance and care your EEWH311B Air-Electric Tire Changer will provide many years of trouble-free operation. Please read this manual thoroughly before operating the unit.

  • Page 9: Turntable & Cabinet Features

    EEWH311B Air-Electric Tire Changer 1.2.1 TURNTABLE & CABINET FEATURES EEWH311B INTEGRATED BEAD SEATING JETS - Air inf ation jets are integrated into WATER SEPARATOR AND AUTOMATIC OILER - Lubricates all air used the turntable clamping jaws to insure full bead seating force directly into the for machine operation, does not lubricate air used for tire in f ation, as do tire cavity regardless of tire diameter.

  • Page 10: Accessories And Consumables

    EEWH311B Air-Electric Tire Changer ACCESSORIES AND CONSUMABLES Figure 1.4-1 Item Image Description EEWH311B EAA0304G32A Light Truck Adaptors (4 each) EAA0329G53A Motorcycle/ATV Adapters 8" - 24" (4 ea) +4" Adaptors (4 each, use with EAA0331G91A EAA0304G80A) EAA0304G80A +4" Offset Mount/Dismount Head...

  • Page 11: Floor And Space Requirements

    EEWH311B Air-Electric Tire Changer FLOOR AND SPACE REQUIREMENTS INSTALLATION Your new EEWH311B Air-Electric Tire Changer requires a simple installation procedure requiring only a few moments. Follow these instructions carefully to insure proper and safe operation. The Tire Changer is delivered mounted to a wooden skid.

  • Page 12: Air Installation

    EEWH311B Air-Electric Tire Changer 2.2 AIR INSTALLATION THE AIR INSTALLATION MUST BE MADE ONLY BY QUALIFIED PERSONNEL. EXCESSIVE AIR PRESSURE CAN SERIOUSLY INJURE PERSONNEL AND DAMAGE THE MACHINE. Ensure that the line pressure is within the limits required by the machine. If the pressure exceeds 170 psi (12 bar) it is mandatory to install a pressure regulator before the air inlet of the machine.

  • Page 13: Controls

    EEWH311B Air-Electric Tire Changer C Press down and hold, the second pedal from the right: CONTROLS the turntable turns clockwise. All the way down the turntable rotates at the maximum speed (7 RPM). Lift the pedal and the turntable turns counter- clockwise (7 RPM).
  • Page 14 EEWH311B Air-Electric Tire Changer To unlock and let the slide with the tool go up: push the To lock: push the button f rmly with the thumb (Fig. 3.0-4). button f rmly with the fore f nger, in the direction of the arrow (Fig.

  • Page 15: Presetting Of Clamping Jaws

    EEWH311B Air-Electric Tire Changer PRESETTING OF CLAMPING JAWS MAKE SURE ALL FOUR CLAMPING JAWS ARE POSITIONED IDENTICALLY (FIG. 3.1-1, ITEMS 1 OR 2). OTHERWISE THE RIM MIGHT NOT BE CLAMPED PROPERLY, COME OFF THE CHUCK AND HURT THE OPERATOR! A Depress f rst pedal from the left smoothly up to the centre position.

  • Page 16: Mounting And Demounting Precautions

    EEWH311B Air-Electric Tire Changer B. Break both beads. 4.0 MOUNTING AND DEMOUNTING PRECAUTIONS Hold open the Bead Breaker , roll the tire/rim into the Breaker area (Fig. 4.1-2). Ensure that the tire/rim IMPORTANT! assembly is f at against the rubber breaker pads on the BEFORE MOUNTING A TIRE ON A RIM, PAY side of the machine.
  • Page 17 EEWH311B Air-Electric Tire Changer D. Liberally lubricate both beads. Place the wheel WITH Gently position the mount/demount head in contact with DROP CENTER UP (Fig. 4.1-3a) on the turntable, and the rim edge and lock it into place: the tool automatically clamp in position.
  • Page 18 EEWH311B Air-Electric Tire Changer G. Rotate the turntable clockwise and, at the same time, YOUR MACHINE IS SHIPPED WITH SEVERAL push down on the tire sidewall to move the bead into the REPLACEMENT PLASTIC INSERTS (INSIDE drop center of the rim (Fig. 4.1-6).

  • Page 19: Mounting Tubeless Tires

    EEWH311B Air-Electric Tire Changer 4.2 MOUNTING TUBELESS TIRES NOTICE! SOME TIRES HAVE A COLOR DOT THAT IS TO BE A. Clean entire rim surface (Fig. 4.2-1). KEPT ON THE OUTSIDE OF THE WHEEL AND IS TO BE ALIGNED WITH THE VALVE STEM. IF THIS IS THE CASE BE SURE TO ATTAIN PROPER ALIGNMENT PRIOR TO TIRE INFLATION.

  • Page 20: If The Top Tire Bead Is Diff Cult To Mount

    EEWH311B Air-Electric Tire Changer 4.3 IF THE TOP TIRE BEAD IS DIFFICULT TO MOUNT 4.4 INFLATION OF TUBELESS TIRES. Make sure that both beads are properly lubricated. Follow these instructions using the Bead Holding Clamp (optional) or the PBA device.

  • Page 21: Demounting Tube Type Tires

    EEWH311B Air-Electric Tire Changer B. Connect the inf ation hose to the valve stem. 5.0 DEMOUNTING TUBE-TYPE TIRES C. Lift the tire with both hands so that the upper bead is A. For breaking the bead operate as described for the seated to the rim edge (Fig.
  • Page 22 EEWH311B Air-Electric Tire Changer 5.2 INFLATING TUBE-TYPE TIRES. C. Inf ate the tube slightly: if held with the index f nger it should bend a little (Fig. 5.1-2). Make sure that both beads are properly lubricated. BEFORE INFLATING A TIRE, CHECK THE CONDITION OF THE TIRE AND THE RIM.

  • Page 23: Operating The Pneumatic Bead Assist

    5.3 OPERATING THE PNEUMATIC BEAD ASSIST seat causing the mount/demount head to jam (Fig. 5.3-2). The EEWH311B Air-Electric Models is equipped with a specially designed “Pneumatic Bead Assist Device” (referred to as the PBA). The PBA offers the combined...

  • Page 24: Mounting And Demounting Motorcycles Tires

    EEWH311B Air-Electric Tire Changer C. Weekly clean the teeth of the jaws (1 Fig. 6.0-2) with 5.4 MOUNTING AND DEMOUNTING MOTORCYCLE a wire brush, check the nylon clamping jaw insert ( 2) and TIRES replace if worn. To mount and demount motorcycle/ ATV or motor-scoter wheels it is necessary to utilize the optional 8”...

  • Page 25: Instructions For Disposal

    EEWH311B Air-Electric Tire Changer I. Check the automatic air lubricator oil level weekly. When 7.1 INSTRUCTIONS FOR DISPOSAL adding oil to the lubricator, disconnect the air supply f rst, remove the f ll screw ‘A’, and add oil as needed. Make For waste electrical and electronic equipment sure seals are in place when replacing the cap.
  • Page 26 EEWH311B Air-Electric Tire Changer NOTES Operation Manual Page 26...
  • Page 27 EEWH311B Air-Electric Tire Changer NOTES Operation Manual Page 27...

  • Page 28: Warranty/Service And Repair

    Notice: The information contained in this document is subject to change without notice. Snap-on makes no warranty with regard to this material. Snap-on shall not be liable for errors contained herein or for incidental consequential damages in connection with furnishings, performance, or use of this material.

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