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EEWH316A Tire Changer Operation Manual
Page 20
Operation Manual
4.3 INFLATION OF TUBELESS TIRES.
Make sure that both beads are properly lubricated.
BEAD SEATING IS THE MOST DANGEROUS PART
OF MOUNTING A TIRE.
NEVER STAND OVER TIRE WHEN ATTEMPTING TO
SEAT BEADS OR DURING INFLATION
IT IS POSSIBLE TO INCORRECTLY MOUNT TIRES
THAT ARE 1/2" SMALLER IN DIAMETER THAN THE
RIM THAT THEY ARE MOUNTED ON. WHILE THESE
BEADS WILL SEAL, IT IS IMPOSSIBLE TO GET THEM
TO SEAT IN THEIR PROPER POSITION.
EXPLOSION OF A TIRE MAY CAUSE SEVERE INJURY
SAFETY RESTRAINT ARM (IF PRESENT) MUST BE
IN PLACE PRIOR TO ATTEMPTING BEAD SEATING
OR INFLATION.
NEVER EXCEED THE MAXIMUM PRESSURE
ALLOWED BY THE TIRE MANUFACTURER.
IF YOU CLAMPED THE RIM FROM THE OUTSIDE
IT MUST BE UNCLAMPED WHEN INFLATING BUT
ONLY AFTER THE SRA (OPTIONAL DEVICE) IS IN
PLACE.
THE OPERATOR MUST STAND CLEAR FROM THE
WHEEL WHEN INFLATING, AND PRESSURE MUST
BE MONITORED FREQUENTLY TO AVOID OVER
INFLATION.
BEFORE INFLATING A TIRE, CHECK THE
CONDITION OF THE TIRE AND THE RIM.
Inflate tire according to manufacturer’s
recommendations.
Due to unusual configurations or the stacking of tires
the inflation process may be difficult. To assist with
this problem the Snap-on EEWH316A Tire Changers
are equipped with bead seater jets integrated into the
table top.
To utilize the bead seater proceed as follows:
A.
Position the safety restraint arm (optional) over
center of wheel assembly. The safety arm is lifted
upward by grasping the safety restraint position knob
and lifting upward while simultaneously depressing the
anti-rotation lock arm. Swing SRA arm assembly so
the rubber retainer is centered over the rim. Note that
air pressure to the inflation hose will not flow until the
arm (if present) is centered over the rim.
B.
Connect the inflation hose to the valve stem.
C.
Lift the tire with both hands so that the upper bead
is seated to the rim edge (Fig. 4.3-1).
NEVER STAND OVER TIRE WHEN ATTEMPTING
TO SEAT BEADS OR DURING INFLATION
340a
Fig. 4.3-1
D.
Press the inflation pedal down swiftly to the end of
its travel to activate the bead seater jets. (Fig. 4.3-1
item 1).
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 inflation to
manufacturer’s suggested pressure. Never exceed
pressure listed on tire sidewall.
