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  3. 453 Criterion Stool Ring, Stool Base

Steelcase 453 Criterion Stool Ring, Stool Base Assembly Instructions

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Steelcase, Inc.
Grand Rapids, MI 49501
U.S.A.
1-888-783-3522
Tools
Assembly Directions Printed In U.S.A.
7/16" Socket
w/ 8" Extension
Installation
Tool
(P.N. 89-4532100)
REV
93-9503997 A
Page 1 of 4
453 Criterion®
(Models: 453-7400, 7410, 7420, 7430, 7500, 7510, 7520, 7530)
Stool Ring, Stool Base Replacement
Assembly Directions
93-9503997 REV APage
2 of 4
ADJUSTMENT
BUSHING
INSTALLATION
TOOL
BASE COVER
Turn stool upside down. Remove base.1. Remove base cover.
2.
Push installation tool over adjustment
bushing until tool is seated against
ring hub.
3.
RING HUB
RING HUB
Assembly Directions
93-9503997 REV APage
3 of 4
Pull up on ring. Slide ring assembly
over adjustment bushing.
4.
ADJUSTMENT
BUSHING
RING HUB FOOT RING
ASSEMBLY
ADJUSTMENT
BUSHING
5. Remove ring assembly.
Remove adjustment
bushing.
ADJUSTMENT
BUSHING PIN
BASE HUB
6. Remove (5) screws. Remove base cap.
Place base cap on new base. Insert
screws, and tighten.
7. Align notch in bottom of adjustment
bushing with pin in base hub. Slide
adjustment bushing down base hub.
With flat blade screwdriver, gently pry
adjustment bushing apart, until adjust-
ment bushing slides over pin in base
hub.
Assembly Directions
93-9503997 REV APage
4 of 4
8. Align notch in footring hub with key, near the bottom
of the adjustment bushing. Push footring down.
FOOT RING
ASSEMBLY
NOTCH
KEY
9. Reattach base to stool. Before tightening nut, be sure
tabs on mounting bracket are seated in the washer
TABS
MOUNTING
BRACKET
WASHER
BASE
COLUMN
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