Snap-On EEWH311B, Operation Instructions Manual

Page 21

Operation Manual

B.

 Connect the inf ation hose to the valve stem.

C.

 Lift the tire with both hands so that the upper bead is 

seated to the rim edge (Fig. 4.4-1). 

340

Fig. 4.4-1

NEVER STAND OVER TIRE WHEN ATTEMPTING TO 
SEAT BEADS OR DURING INFLATION.

D.

 Press the in f ation pedal down swiftly to the end of 

its travel to activate the bead seater jets.  (Page 10 Fig. 

1.2-1 item 8)

The  top bead is already sealed by the lifting motion.  

Therefore, the air from the bead seater jets will enter the 

tire impacting  on the top sidewall and rebound into the 

bottom sidewall driving it into place and seating the bead, 

creating an air seal.

WHEN OPERATING THE BEAD SEATER, ALWAYS 
WEAR SAFETY GLASSES TO AVOID INJURY TO 
EYES.

E.

 Install valve core, if removed. Complete in f ation to 

manufacturer’s  suggested pressure.  Never exceed  

pressure listed on tire sidewall.

5.0 DEMOUNTING TUBE-TYPE TIRES

A.

 For breaking the bead operate as described for the 

tubeless tires in section 4.1. point  A to F.

In this case the valve is part of the tube.

NOTICE!

BE CAREFUL NOT TO DAMAGE THE TUBE DURING 
THE BEAD-BREAKING OPERATION.   THE VALVE 
SHOULD BE OPPOSITE TO THE BLADE OF THE 
BEAD BREAKER.

B.

 To demount the f rst bead, place the valve at 2 o’clock 

position.

NOTICE!

BE CAREFUL NOT TO CATCH THE TUBE WITH THE 
MOUNT/DEMOUNT TOOL, WHEN LIFTING THE BEAD 
ON THE MOUNTING FINGER.

After  demounting the  f rst  bead carefully,  remove the  

tube before demounting the second bead, as described 

in section 4.1.

5.1 MOUNTING TUBE-TYPE TIRES

A.

 Perform steps described in section 4.2.A.

DO

NOT

 lubricates the tube. Talc can be used to assist 

with tire positioning if necessary.

B.

 Conf rm that the tube is the correct size for the tire to 

be mounted. (Fig. 5.1-1).

341

Fig. 5.1-1

EEWH311B Air-Electric Tire Changer