diff --git a/script/optics/CheckMachineBump.py b/script/optics/CheckMachineBump.py
index 9fdfef8a..6cc9a70c 100644
--- a/script/optics/CheckMachineBump.py
+++ b/script/optics/CheckMachineBump.py
@@ -14,7 +14,7 @@ rs.setVars([0.1, 0.05, 1, 800.]) #Time, Size, Iteration, photon energy
 
 print "switching to linear"
 DynamicBumpMode.write("off")
-DynamicBumpYAngle.waitValueInRange(0.0, 0.001, 10000)
+DynamicBumpYAngle.waitValueInRange(0.0, 0.02, 30000)
 print "running XPS spectrum"
 run("XPSSpectrum", {"save_scienta_image":True, 
                     "ranges":[rs, ], 
@@ -23,7 +23,7 @@ run("XPSSpectrum", {"save_scienta_image":True,
 
 print "switching to positive helicity"
 DynamicBumpMode.write("pos")
-DynamicBumpYAngle.waitValueInRange(0.02, 0.001, 10000)
+DynamicBumpYAngle.waitValueInRange(0.2, 0.02, 30000)
 print "running XPS spectrum"
 run("XPSSpectrum", {"save_scienta_image":True, 
                     "ranges":[rs, ], 
@@ -32,7 +32,7 @@ run("XPSSpectrum", {"save_scienta_image":True,
 
 print "switching to negative helicity"
 DynamicBumpMode.write("neg")
-DynamicBumpYAngle.waitValueInRange(-0.02, 0.001, 10000)
+DynamicBumpYAngle.waitValueInRange(-0.2, 0.02, 30000)
 print "running XPS spectrum"
 run("XPSSpectrum", {"save_scienta_image":True, 
                     "ranges":[rs, ], 
@@ -41,5 +41,5 @@ run("XPSSpectrum", {"save_scienta_image":True,
 
 print "switching to linear"
 DynamicBumpMode.write("off")
-DynamicBumpYAngle.waitValueInRange(0.0, 0.001, 10000)
+DynamicBumpYAngle.waitValueInRange(0.0, 0.02, 30000)
 print "done"