diff --git a/src/main/java/gregtech/common/covers/GT_Cover_Conveyor.java b/src/main/java/gregtech/common/covers/GT_Cover_Conveyor.java
index 8467506d..a62d08e7 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_Conveyor.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_Conveyor.java
@@ -24,7 +24,7 @@ public class GT_Cover_Conveyor
         }
         TileEntity tTileEntity = aTileEntity.getTileEntityAtSide(aSide);
         //aTileEntity.decreaseStoredEnergyUnits(1L, true);
-        if (((aCoverVariable % 2 != 1) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= 128L)) {
+        if (((aCoverVariable % 2 == 0) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= 128L)) {
             if (aTileEntity.isUniversalEnergyStored(256L)) {
                 aTileEntity.decreaseStoredEnergyUnits(4 * GT_Utility.moveOneItemStack(aCoverVariable % 2 == 0 ? aTileEntity : tTileEntity, aCoverVariable % 2 != 0 ? aTileEntity : tTileEntity, aCoverVariable % 2 != 0 ? GT_Utility.getOppositeSide(aSide) : aSide, aCoverVariable % 2 == 0 ? GT_Utility.getOppositeSide(aSide) : aSide, null, false, (byte) 64, (byte) 1, (byte) 64, (byte) 1), true);
             }
diff --git a/src/main/java/gregtech/common/covers/GT_Cover_Drain.java b/src/main/java/gregtech/common/covers/GT_Cover_Drain.java
index 5aaef6fc..b20d2410 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_Drain.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_Drain.java
@@ -72,8 +72,6 @@ public class GT_Cover_Drain
     }
 
     public boolean letsFluidIn(byte aSide, int aCoverID, int aCoverVariable, Fluid aFluid, ICoverable aTileEntity) {
-        if ((aCoverVariable > 1) && ((aTileEntity instanceof IMachineProgress))) {
-        }
         return ((IMachineProgress) aTileEntity).isAllowedToWork() == aCoverVariable < 2;
     }
 
diff --git a/src/main/java/gregtech/common/covers/GT_Cover_EnergyOnly.java b/src/main/java/gregtech/common/covers/GT_Cover_EnergyOnly.java
index e90ca7af..b8a6a70c 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_EnergyOnly.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_EnergyOnly.java
@@ -33,7 +33,7 @@ public class GT_Cover_EnergyOnly
 
     public boolean letsEnergyIn(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity) {
         if ((aCoverVariable > 1) && ((aTileEntity instanceof IMachineProgress))) {
-            if (((IMachineProgress) aTileEntity).isAllowedToWork() != aCoverVariable < 2) {
+            if (((IMachineProgress) aTileEntity).isAllowedToWork()) {
                 return false;
             }
         }
@@ -42,7 +42,7 @@ public class GT_Cover_EnergyOnly
 
     public boolean letsEnergyOut(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity) {
         if ((aCoverVariable > 1) && ((aTileEntity instanceof IMachineProgress))) {
-            if (((IMachineProgress) aTileEntity).isAllowedToWork() != aCoverVariable < 2) {
+            if (((IMachineProgress) aTileEntity).isAllowedToWork()) {
                 return false;
             }
         }
diff --git a/src/main/java/gregtech/common/covers/GT_Cover_Pump.java b/src/main/java/gregtech/common/covers/GT_Cover_Pump.java
index f93d6c0d..60a2e17d 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_Pump.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_Pump.java
@@ -35,7 +35,7 @@ public class GT_Cover_Pump
                         tLiquid = tLiquid.copy();
                         tLiquid.amount = tTank2.fill(ForgeDirection.getOrientation(aSide).getOpposite(), tLiquid, false);
                         if (tLiquid.amount > 0) {
-                            if (((aCoverVariable % 2 != 1) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= Math.min(1, tLiquid.amount / 10))) {
+                            if (((aCoverVariable % 2 == 0) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= Math.min(1, tLiquid.amount / 10))) {
                                 if (aTileEntity.isUniversalEnergyStored(Math.min(1, tLiquid.amount / 10))) {
                                     aTileEntity.decreaseStoredEnergyUnits(Math.min(1, tLiquid.amount / 10), true);
                                     tTank2.fill(ForgeDirection.getOrientation(aSide).getOpposite(), tTank1.drain(ForgeDirection.getOrientation(aSide), tLiquid.amount, true), true);
@@ -51,7 +51,7 @@ public class GT_Cover_Pump
                         tLiquid = tLiquid.copy();
                         tLiquid.amount = tTank1.fill(ForgeDirection.getOrientation(aSide), tLiquid, false);
                         if (tLiquid.amount > 0) {
-                            if (((aCoverVariable % 2 != 1) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= Math.min(1, tLiquid.amount / 10))) {
+                            if (((aCoverVariable % 2 == 0) || (aSide != 1)) && ((aCoverVariable % 2 != 0) || (aSide != 0)) && (aTileEntity.getUniversalEnergyCapacity() >= Math.min(1, tLiquid.amount / 10))) {
                                 if (aTileEntity.isUniversalEnergyStored(Math.min(1, tLiquid.amount / 10))) {
                                     aTileEntity.decreaseStoredEnergyUnits(Math.min(1, tLiquid.amount / 10), true);
                                     tTank1.fill(ForgeDirection.getOrientation(aSide), tTank2.drain(ForgeDirection.getOrientation(aSide).getOpposite(), tLiquid.amount, true), true);
diff --git a/src/main/java/gregtech/common/covers/GT_Cover_RedstoneWirelessBase.java b/src/main/java/gregtech/common/covers/GT_Cover_RedstoneWirelessBase.java
index 0e0b5438..7b11138f 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_RedstoneWirelessBase.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_RedstoneWirelessBase.java
@@ -15,7 +15,7 @@ public abstract class GT_Cover_RedstoneWirelessBase
     }
 
     public boolean onCoverRightclick(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity, EntityPlayer aPlayer, float aX, float aY, float aZ) {
-        if (((aX > 0.375D) && (aX < 0.625D)) || ((aSide > 3) && (((aY > 0.375D) && (aY < 0.625D)) || ((aSide < 2) && (((aZ > 0.375D) && (aZ < 0.625D)) || (aSide == 2) || (aSide == 3)))))) {
+        if (((aX > 0.375D) && (aX < 0.625D)) || ((aSide > 3) && ((aY > 0.375D) && (aY < 0.625D)))) {
             GregTech_API.sWirelessRedstone.put(Integer.valueOf(aCoverVariable), Byte.valueOf((byte) 0));
             aCoverVariable = GT_Utility.stackToInt(aPlayer.inventory.getCurrentItem());
             aTileEntity.setCoverDataAtSide(aSide, aCoverVariable);
@@ -26,7 +26,7 @@ public abstract class GT_Cover_RedstoneWirelessBase
     }
 
     public int onCoverScrewdriverclick(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity, EntityPlayer aPlayer, float aX, float aY, float aZ) {
-        if (((aX > 0.375D) && (aX < 0.625D)) || ((aSide <= 3) || (((aY > 0.375D) && (aY < 0.625D)) || ((aSide >= 2) || (((aZ <= 0.375D) || (aZ >= 0.625D)) && (aSide != 2) && (aSide != 3)))))) {
+        if (((aX > 0.375D) && (aX < 0.625D)) || ((aSide <= 3) || (((aY > 0.375D) && (aY < 0.625D)) || ((((aZ <= 0.375D) || (aZ >= 0.625D))))))) {
             GregTech_API.sWirelessRedstone.put(Integer.valueOf(aCoverVariable), Byte.valueOf((byte) 0));
             float[] tCoords = GT_Utility.getClickedFacingCoords(aSide, aX, aY, aZ);
             switch ((byte) ((byte) (int) (tCoords[0] * 2.0F) + 2 * (byte) (int) (tCoords[1] * 2.0F))) {