3- upper base plate
4- lower base plate
5- M10X130 screw (nuts and flat washer) no. 4
1. Fasten the upper plate on the machine frame
and align the holes (fig.40).
2. Helper HTB21 only: Place the plate with support
foot (Fig. 40A) on the plate of Fig. 40 aligning
the fastening holes.
3. Place the Helper on the base by aligning the holes.
4. Add the lower plate and fasten with the supplied
screws
5. Disconnect the tyre changer regulator hose, con-
nect the Y-connector and the hose Ø8 supplied
by connecting it with the Helper regulator.
Connect the Y-connector with the tyre changer
regulator (Fig. 42).
6. Helper HTB24 only: Complete the screws
fastening to the vertical sidewall of the frame
(fig.43).
7. Helper HTB21 only: Complete the pressing
arms fastening by connecting them with the
cylinder rod and the tool box fastening (figures
44 and 45).
10.1.b. Calibration
1. Lock a wheel on the turntable, take the bead
presser arm into working position.
2. If the arm centring cone does not appear in the
centre of the wheel, turn the fixing screws of the
accessory.
Startline S 424-S 421-S 521-S 524 Operator manual
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42
43
44
UK
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133