Hercules PASERO - Presta Valve; Figure 26: Presta Valve with Valve Insert (1), Knurled Nut (2) and Rim

Maintenance
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8.4.3.2 Presta valve
Figure 26: Presta valve with valve insert (1), knurled nut (2) and rim nut (3)
 It is recommendable to use a bicycle pump with a
pressure gauge. The operating instructions for the
bicycle pump must be adhered to.
 Unscrew and remove the valve cap.
 Open the knurled nut around four turns.
 Carefully apply the bicycle pump so that the valve
insert is not bent.
 Pump up the tyre slowly and pay attention to the
tyre pressure in the process.
 The tyre pressure has been adjusted as per the
data [
 Data sheet, page 1].
 Remove the bicycle pump.
 Tighten the knurled nut with your finger tips.
 Screw the valve cap tight.
 Screw the rim nut gently against the rim with the
tips of your fingers.
1
3
2
EN_034-11421_0.1_0.01_09.18_HERCULES BROSE_CS_Inhalt.book Page 92 Wednesday, October 11, 2017 9:53 AM