Taso BE-90, Internals, Disassembly, etc

[RuleOfSines]

TASO BE-90/USA Crossfire Equalizer Barrel Assembly Removal

Before doing anything, ensure marker has no paint or air.

1. The Barrel assembly is retained by a pressed-in pivot pin:
   
2. On this BE-90, the pin was easily pressed out the right side of the marker, this may vary:
   
3. Once the pin is removed, firmly hold the marker body and barrel assembly, and press the release catch to remove the assembly:
   
4. Separated Barrel Assembly:
   
5. To remove the barrel, loosen the locking lug a few turns, should not need to completely unscrew. If your marker still has an intact front sling mount you may need to loosen that as well:
   
6. The barrel will now slide out the front or the back of the assembly:
   

[RuleOfSines]

TASO BE-90/USA Crossfire Equalizer Stock Assembly Removal

Before doing anything, ensure marker has no paint or air.

1. The stock assembly is held on with two screws, to prevent marring the stock as it is removed we will first remove the side panels.
   
2. Remove the three screws holding the left access panel and place it aside:
   
   
3. Remove the three screws holding the right access panel and place it aside:
   
   
4. From the left side of the marker, remove the two screws retaining the stock assembly:
   
5. Slide the stock assembly straight off the back of the marker body:
   

[RuleOfSines]

TASO BE-90/USA Crossfire Equalizer Collapsible Stock Breakdown

Before doing anything, ensure marker has no paint or air.

1. Using a notched bit, unscrew the two retaining nuts from the extension lock mechanism:
   
2. Remove the cover, taking care as there is a small spring inside:
   
3. Remove the small pieces and slide the retaining rail out the back:
   
4. At this point, you can loosen the locking screw and slide the rear sling mechanism out the back of the stock if desired.
5. To remove the shoulder brace, remove the two small screws in the back:
   
6. Slide the rails out of the brace, be careful as there may be small spacers inside the shoulder brace. The rails are milled slightly off and if re-assembled without the spacers they won't lock forward.
   
7. Putting this back together is slightly tricky, slide the retaining rail back into place in the stock:
   
8. Prepare the assembly to go back together as shown, with the extensions at their full-open position and the spring in place:
   
9. Place the locking arm in place, carefully compressing the spring:
   
10. Carefully hold the small bits together, and angle the assembly back into place so the rods start into the slots and the locking handle slides into the groove, you may need to slide the rail a bit as you go:
    
    
    
11. Finger tighten the retaining nuts and then snug them down with the driver. Re-assemble the shoulder pad.

[RuleOfSines]

TASO BE-90/USA Crossfire Equalizer Valve Removal

Before doing anything, ensure marker has no paint or air.

1. Remove the screw/lug from the hammer, being careful not to lose the small bushing:
   
   
2. Remove the bolt arm to bolt sled screw, move the bolt arm out of the way, then re-install the sled screw:
   
   
3. Use the bolt sled screw to slid the bolt forward, unscrew the bolt from the marker, and finally remove the bolt sled screw. (You can reduce the steps here by fiddling with the Trigger instead)
   
   
4. Using snap ring pliers or similar, unscrew the rear plug and remove the hammer spring and hammer:
   
   
5. From the top of the marker, completely remove the valve retaining screw:
   
6. Using a dowel, and being mindful of the ball detent and bolt skid plate, gently push the valve assembly out the rear of the marker:
   
   
   

[RuleOfSines]

TASO BE-90/USA Crossfire Equalizer Valve Breakdown

Before doing anything, ensure marker has no paint or air.

1. Unscrew the brass socket from the aluminum valve body:
   
2. Remove the bold sled from the power tube and replace the 007 o-ring:
   
3. Using snap ring pliers, unscrew the brass retaining plug from the back of the valve and replace the 007 o-ring:
   
4. Using a gasket pick or similar, carefully remove the cup seal, valve stem, valve spring, and front stem o-ring:
   
5. Replace the 016 O-rings on the valve body, and the 009 valve stem front o-ring.
6. Carefully re-assemble in reverse order.