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Ssembly – Sears 315.220100 User Manual

Page 29

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SSEMBLY

Rotation Check: To check the rotation, hold the

front of the arm with one hand and grasp the top of

the column support with the other. Press the arm to
the side. If there is play between the column
support and the column tube, it needs to be ad­

justed. See Figure 20B.

COLUMN TUBE

Elevation Adjustment

Elevation Adjustment: If the elevation check did not

show any play between the column tube and the
support, go to the rotation adjustment. Otheiwise,

raise and lower the arm with the elevating hand­

wheel. Tighten the black screws on the right side of

the column support by 1/16th to 1/8th of a turn.
Tighten the two silver screws on the left side
slightly more. You will need two 1/2 in. wrenches or
sockets. Turn the elevating handwheel again. If the

column tube binds, loosen the silver and black

screws and turn the handwheel again. See Figure

20C.

When the elevation is smooth, check for looseness

again by pressing upward on the front of the arm.

Repeat the previous step until elevation is smooth

with no play between the column tube and the

column support.

Rotation Adjustment: Using a 3/16 in. hex key,

slightly tighten the two cap screws at the back of
the column support (left side) until no play shows

between the radial arm and the column. The cap

screws are indicated by arrows. See Figure 20D.

Recheck the rotation by holding the front of the

arm, grasping the top of the column support with
the other, and pressing the arm to the side.

Rotation Adjustment

CAP

SCREWS

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