Turnstone Crank User manual

Page 1 of 30
939501205 Rev A
Crank Adjustable Units
Please identify the unit before selecting what section to follow
for assembly of product.
R
©2002 Steelcase Inc.
Grand Rapids, MI 49501 U.S.A.
Printed in U.S.A.
Extension Link Units with Standard Corner Units
Bilevel Corner Unit
Straight and Corner Units
Right
Extension
Left
Extension
Extension Link Units with Bilevel Corner Units
Section A
(begins on page 2)
Section B
(begins on page 7)
Section C
(begins on page 11)
Section D
(begins on page 21)
Right
Extension
Left
Extension
Extended
Both Sides
NOTE: Extension Units
are to be ordered separately
Extended
Both Sides
NOTE: Extension Units
are to be ordered separately
5 mm

Page 2 of 30
939501205 Rev A
Crank Handle
(Qty. 1)
Short Mounting
Screw
(Qty. 8)
Worksurface
Screw
(Qty. 6)
Foot Bolt
(Qty. 4)
Section A: Assembly instructions to assemble the following units:

45mm
5mm

Page 3 of 30
939501205 Rev A
Front
1. Flip the base upside down and without
cutting the tie wraps, put the feet on.
FOOT BOLTS

5
(optional)
Page 4 of 30
939501205 Rev A
Straight Standard
Corner Standard
2. Install grommet (black) into laminated
side of worksurface.

3. Install guide (white) into grommet.
4. Cut the tie wraps.

5. (Optional for STANDARD
units only) Install the "nut", "washer"
and "disk" to the gas cylinder (if not
already installed). Place gas cylinder
as shown.

NOTE: DO NOT attempt to screw or
compress the gas cylinder into place.

CAUTION: Cylinder under compression!
To avoid possible injury when servicing
cylinder, raise worksurface to uppermost
position and remove worksurface prior to
removing mounting plate. This will minimize
compression in the cylinder and facilitate
its removal.
2
3
GAS
CYLINDER
WASHER
NUT
DISK

Page 5 of 30
939501205 Rev A
Worksurface Screws
Standard Corner
Standard Straight
Rear
Front
Rear
Front
6. Place the worksurface on a protected
surface. Attach mounting plates on
worksurface, at the screw locations shown,
after aligning the pilot holes.

Page 6 of 30
939501205 Rev A
Corner Standard
Short Mounting Screws
Straight Standard
7
10
11
8
NOTE: If unit is placed with a gas
cylinder, adjust the unit to full height of
travel using crank handle.

7. Flip base upside down on a protected
surface.

NOTE: If base has gas cylinder, be
careful when inverting the base.

8. Mount top to base with short mounting
screws.

9. Flip unit to upright.

10. Remove Guides, retain for future
assembly.

11. Test: Using the crank handle, adjust
the unit to different heights to ensure unit
works properly.

Optional - if shrouds (ordered separately)
are installed in field.

12. Slide shroud over cross bars on
each leg of mechanism.

NOTE: To fully shroud the unit, repeat
this for both inside and outside of each
leg.
12

Page 7 of 30
939501205 Rev A
Crank Handle
(Qty. 1)
Short Mounting
Screw
(Qty. 8)
Worksurface
Screw
(Qty. 16)
Foot Bolt
(Qty. 4)
Section B: Assembly instructions to assemble the following units:

5mm 45mm

Page 8 of 30
939501205 Rev A
Front
1. Flip the base upside down and without
cutting the tie wraps, put the feet on.
FOOT BOLTS

Page 9 of 30
939501205 Rev A
Corner Bilevel
2. Install grommet (black) into laminated
side of worksurface.

3. Install guide (white) into grommet.
4. Place the worksurface on a protected
surface. Attach mounting plates on
worksurface.
23
Worksurface
Screws
Bilevel Corner
Rear
Front

Page 10 of 30
939501205 Rev A
6
9
10
7
5. Cut tie wraps.

6. Flip base upside down on a protected
surface.

7. Mount top to base with short mounting
screws.

8. Flip unit to upright.

9. Remove Guides, retain for future
assembly.

10. Test: Using the crank handle, adjust
both the front and the rear surfaces of the
unit to different heights to ensure unit
works properly.

Optional - if shrouds (ordered separately)
are installed in field.

11. Slide shroud over cross bars on
each leg of mechanism.

NOTE: To fully shroud the unit, repeat
this for both inside and outside of each
leg.
Corner Bilevel
Short Mounting Screws
11