Demounting Tube-Type Tires; Mounting Tube-Type Tires; Infl Ating Tube-Type Tires - Hofmann monty 1270 Manual Del Operador

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5.5-1
5.5-2
5.5-3
5.6-1
5.4

Demounting tube-type tires

• To demount the tire operate as described for
tubeless tires in section 5.1.A through section 5.1
In this case the valve cannot be replaced because it
is part of the tube.
BE CAREFUL NOT TO DAMAGE THE TUBE
DURING THE BEAD-BREAKING OPERATION.
THE VALVE SHOULD BE OPPOSITE TO THE
BLADE OF THE BEAD BREAKER.
• To demount the first bead, place the valve at 3
o'clock position.
DO NOT CATCH THE TUBE WITH THE BEAD
LIFTING TOOL, WHEN LIFTING THE BEAD ON
THE MOUNTING FINGER.
After demounting the first bead remove the tube
before demounting the second bead, as described in
section 5.1.
5.5

Mounting tube-type tires

• Proceed as described in section 5.2. Do NOT
lubricate the tube. Talc can be used to assist with
the tube positioning.
• Mount the valve core and place the tube onto the
tire to confirm that the tube is of the correct size
(Fig. 5.5-1).
• Inflate the tube slightly: if held with the index
finger it should bend a little (Fig. 5.5-2).
• Mount the first bead as described in section 5.2.
Put the tube inside the tire and secure the valve
with the chuck of the inflating hose (Fig. 5.5-
3). Mount the top bead following the directions
above.
5.6 Inflating tube-type tires
To inflate the tire unlock the rim and start inflating
while pressing the valve towards the inside. This
is necessary to avoid air pockets forming between
tube and tire (Fig. 5.6-1).
Ensure that the tire is correctly centered on the rim.
STOP THE COMPRESSED AIR AS SOON AS THE
BEADS GRIP THE RIM WELL.
• Place the wheel in a type approved cage to fi nish
infl ating and completely settle the beads in their
seats on the rim.
Operator Manual