diff --git a/site_ansto/instrument/tas/config/motors/motor_configuration.tcl b/site_ansto/instrument/tas/config/motors/motor_configuration.tcl
index b0f5ae89..1a723727 100644
--- a/site_ansto/instrument/tas/config/motors/motor_configuration.tcl
+++ b/site_ansto/instrument/tas/config/motors/motor_configuration.tcl
@@ -70,10 +70,10 @@ set slitStepRate  [expr (250.0*161.0)/2.0]
 #Measured slit gap, in units, after homing on limit switches
 #ps=ss1
 set ss1h_Gap       52.7
-set ss1v_Gap      142.5
+set ss1v_Gap      126.0
 #pa=ss2
 set ss2h_Gap       53.5
-set ss2v_Gap      213.0
+set ss2v_Gap      207.0
 
 set ss1l_Home  [expr $ss1h_Gap/2*$slitStepRate]
 set ss1r_Home  [expr $ss1h_Gap/2*$slitStepRate]
@@ -626,7 +626,7 @@ Motor ps_right $motor_driver_type [params \
   axis A\
   units mm\
   hardlowerlim -27\
-  hardupperlim -3\
+  hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
   maxDecel 3.0020\
@@ -635,8 +635,8 @@ Motor ps_right $motor_driver_type [params \
 ps_right part slits
 ps_right long_name ps_right
 ps_right softlowerlim -27
-ps_right softupperlim -3
-ps_right home -10.0000
+ps_right softupperlim -2
+ps_right home 0.0
 ps_right movecount $move_count
 
 # mc6: Pre-sample left aperture -- Slit s1 left Blade
@@ -647,7 +647,7 @@ Motor ps_left $motor_driver_type [params \
   axis B\
   units mm\
   hardlowerlim -27\
-  hardupperlim -4\
+  hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
   maxDecel 3.0020\
@@ -656,8 +656,8 @@ Motor ps_left $motor_driver_type [params \
 ps_left part slits 
 ps_left long_name ps_left
 ps_left softlowerlim -27
-ps_left softupperlim -4
-ps_left home -10.0000
+ps_left softupperlim -2
+ps_left home 0.0
 ps_left movecount $move_count
 
 
@@ -668,7 +668,7 @@ Motor ps_top $motor_driver_type [params \
   port pmc6-taipan\
   axis C\
   units mm\
-  hardlowerlim -200\
+  hardlowerlim -63\
   hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
@@ -677,9 +677,9 @@ Motor ps_top $motor_driver_type [params \
   motorHome $ss1t_Home]
 s_top part slits 
 ps_top long_name ps_top
-ps_top softlowerlim -200
+ps_top softlowerlim -63
 ps_top softupperlim -2
-ps_top home -19.0000
+ps_top home 0.0
 ps_top movecount $move_count
 
 # mc6: Pre-sample bottom aperture -- Slit s1 bottom Blade
@@ -689,7 +689,7 @@ Motor ps_bottom $motor_driver_type [params \
   port pmc6-taipan\
   axis D\
   units mm\
-  hardlowerlim -200\
+  hardlowerlim -63\
   hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
@@ -698,9 +698,9 @@ Motor ps_bottom $motor_driver_type [params \
   motorHome $ss1b_Home]
 ps_bottom part slits 
 ps_bottom long_name ps_bottom
-ps_bottom softlowerlim -200
+ps_bottom softlowerlim -63
 ps_bottom softupperlim -2
-ps_bottom home -21.0000
+ps_bottom home 0.0
 ps_bottom movecount $move_count
 
 # mc6: Pre-sample right aperture -- Slit s2 right Blade
@@ -721,7 +721,7 @@ pa_right part slits
 pa_right long_name pa_right
 pa_right softlowerlim -26
 pa_right softupperlim -2
-pa_right home -6.0000
+pa_right home 0.0
 pa_right movecount $move_count
 
 # mc6: Pre-sample left aperture -- Slit s2 left Blade
@@ -742,7 +742,7 @@ pa_left part slits
 pa_left long_name pa_left
 pa_left softlowerlim -26
 pa_left softupperlim -2
-pa_left home -6.0000
+pa_left home 0.0
 pa_left movecount $move_count
 
 # mc6: Pre-sample top aperture -- Slit s2 top Blade
@@ -752,8 +752,8 @@ Motor pa_top $motor_driver_type [params \
   port pmc6-taipan\
   axis G\
   units mm\
-  hardlowerlim -200\
-  hardupperlim -3\
+  hardlowerlim -102\
+  hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
   maxDecel 3.0020\
@@ -761,9 +761,9 @@ Motor pa_top $motor_driver_type [params \
   motorHome $ss2t_Home]
 pa_top part slits 
 pa_top long_name pa_top
-pa_top softlowerlim -200
-pa_top softupperlim -3   
-pa_top home -19.0000
+pa_top softlowerlim -102
+pa_top softupperlim -2   
+pa_top home 0.0
 
 # mc6: Pre-sample bottom aperture -- Slit s2 bottom Blade
 Motor pa_bottom $motor_driver_type [params \
@@ -772,8 +772,8 @@ Motor pa_bottom $motor_driver_type [params \
   port pmc6-taipan\
   axis H\
   units mm\
-  hardlowerlim -200\
-  hardupperlim -3\
+  hardlowerlim -102\
+  hardupperlim -2\
   maxSpeed 1.4907\
   maxAccel 3.0020\
   maxDecel 3.0020\
@@ -781,9 +781,9 @@ Motor pa_bottom $motor_driver_type [params \
   motorHome $ss2b_Home]
 pa_bottom part slits 
 pa_bottom long_name pa_bottom
-pa_bottom softlowerlim -200
-pa_bottom softupperlim -3  
-pa_bottom home -16.0000
+pa_bottom softlowerlim -102
+pa_bottom softupperlim -2  
+pa_bottom home 0.0000
 
 proc motor_set_sobj_attributes {} {
 }