Snap-On EEWH337A Mode D'emploi page 11

Installing the off set mount dismount head
supplied in the Kit
See Figure 2-5
P
8) Fit the M/D head supplied in the Kit (L) on the snap
N
connection for the extension, positioned so that the
adjuster screws (M) are in line with the seats (N) on the
hub of the connection.
Q
9) Screw in the screws (M) on the M/D head by the same
M L
amount, without tightening fully.
10) Screw in the screw 10x30 (S) with the washer 10x38
(R) by hand, without tightening fully.
11) Fit the assembly formed as described onto the bushing
R
previously fi tted. Tighten the ring nut with the wrench
S
supplied in the kit (Q).
2-5
N.B.: Place the mount dismount head in the same position
as the original removed from the tire changer.
Adjusting the mount dismount head
:
See Figure 2-6
After the mount dismount head has been fi tted on the
snap connection, it must be adjusted by means of the two
screws (M) to position the mount dismount head correctly
in relation to the wheels on which it is to work.
12) Connect the tire changer to the electricity and
compressed air supplies.
13) Clamp a new rim or a rim in good condition with 20"
diameter on the turntable.
14) Loosen the two screws (M) and the screw underneath
so that the M/D head is not rigidly locked in place but can
turn through a small sector relative to the support hub (P).
15) Move the M/D head towards the edge of the rim, as
for normal operation, then lock it in position.
2-6
16) Tighten one of the two adjuster screws until the inside
of the claw of the M/D head is about 1/25" (1 mm) from
the edge of the rim, as indicated by point (X) and on the
opposite side of the M/D head the edge of the M/D head is
aligned with the edge of the rim, as indicated by point (Y).
17) Tighten both screws, keeping the M/D head in this
position. Move the M/D head away from the edge of the
rim, then tighten the screw (S Fig. 2.0-5) under the mount
dismount head fully home, with a torque of 35 Nm.
11
EN
Snap-on EEWH337A