Mittler Bros Machine & Tool 1200 - Manual

Division of Mittler Corp.
P.O. Box 110 Foristell, Missouri 63348
10 Cooperative Way Wright City, MO 63390
1-800-467-2464
(636) 745-7757 Fax: (636) 745-2874
03-07-08 BRP
BUMP STEER GAUGE
MODEL #1200-BSG
Prior to starting any Bump Steer procedure consult your chassis manufacturer or chassis set-up
publication to determine the proper Bump Steer for your race vehicle.
 Place vehicle on jack stands at desired height.
 Remove left front tire/wheel and right front tire/wheel.
 Install Bump Plate on Wheel Hub
 Install small idler arm & roller on left pivot arm.
 Install dial indicator on right pivot arm.
 Place “T” Base under lower “A” frame, with pivot arms laying flat on floor.
 Level “T” Base using adjustment screws at each tube end to center leveling bubble.
 Position bottle jack on “T” frame under lower “A” frame.
 Rotate Pivot arms up until roller & dial indicator contact arm touch Bump Plate.
 Level Bump Plate so dial indicator contact arm & roller bracket align with the same
scribed mark on each side of Bump Plate.
 Compress dial indicator contact arm ½ its travel.
 Rotate dial to zero on dial indicator face.
 Jack suspension to simulate proper front end geometry at ride height.
 NOTE: Always start Bump Steer procedure from this position.