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8/8/2019 Download Ammunition

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DOWNLOAD AMMUNITION FROM THE READY AMMUNITIONCOMPARTMENT (NO POWER)Open DoorA. Set circuit breaker CB12 in turret networks box to OFF.

FIGURE XXX Turret Networks Box Circuit Breaker 12

B. Remove commander's curtain assembly.

FIGURE XXX Commanders Curtain


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4. Pull off curtain assembly.

C. Swing knee switch up to stowed position. (See Figure XXX)

D. Turn bypass valve on turret shelf counterclockwise to relieve hydraulic

pressure to ready ammunition door closing actuator.

FIGURE XXX Turret Bypass Valve

NOTERelease pin may be very hard to remove.


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FIGURE XXX Actuator Shaft Release Pin

E. Push in and hold button on release pin and remove release pin from actuatorshaft.

F. Remove pry bar from stowed position.

Lift latch and rotate to the left and down until detents are aligned

FIGURE XXX Pry Bar In Stowed Position


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G. Install pry bar on pin and pivot down until wedge is in groove of readyammunition door. Pull out handle to full extension.

FIGURE XXX Pry Bar Mounted on Loaders Ready Ammunition Door

NOTEIt may be necessary to pry ready ammunition door toward open and closed

positions to lessen hydraulic pressure on ready ammunition door closingactuator.


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H. Pull down on latch while holding ready ammunition door fully closed with prybar. (Best to use a jimmy bar, but can be done by hand.)

FIGURE XXX Release Ready Ammunition Door Latch

I. Push Jimmy Bar in on back end of ready ammunition door closing actuator toclear latch on ready ammunition door

FIGURE XXX Release Closing Actuator Latch


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J. Pry ready ammunition door left to open. Pull on bar to the right.

FIGURE XXX Pry open ready ammunition door

K. Install pry bar to stowed position.

FIGURE XXX Pry Bar Stowed

L. Line up ready ammunition door hole in ready ammunition door with lock shaft.


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M. Pull and turn lock shaft 1/4-turn counterclockwise to release lock shaft intoready ammunition door hole.

FIGURE XXX Lock Shaft Locked Position

WARNINGExplosive ammunition or containers with explosives must be handled withgreat care at all times to prevent personal injury. Explosive elements inprimers and fuzes are very sensitive to shock and high temperature.Ammunition and containers should not be dropped, thrown, or dragged. Donot take ammunition apart.

WARNINGReleasing spring clip may allow round to drop out of tubes, (3), (4), (5), and(6) and cause injury to personnel.


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N. Push spring clip away from round.

FIGURE XXX Ammunition Tube Spring Clip

CAUTIONAvoid contact of fluids with the combustible cartridge case.

NOTE+ Releasing spring clip will push round out of tube several inches to allowremoval.+ Remove rounds from stationary tubes in ammunition compartment beforeremoving rounds from side swing tubes (3), (4), (5) or vertical swing tubes(6).

O. One at a time, grasp nine rounds and pull out of tubes.

WARNINGWhen pulling levers (8, 9, and 10) swing tubes (3, 4, 5, and 6) move rapidlyand fingers could be crushed or severed.

NOTEGrasp round before pushing spring clip away from round to preventdropping round.


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P. To remove round from side swing tubes (3), (4), (5), do the following:1. Pull lever out.

2. Let tube swing to unload position.

FIGURE XXX Swing Tube in Unload Position

3. Push spring clip away from round and one at a time remove each roundby pulling it out of the tube.4. Pull lever and move swing tube back until it locks.


Q. To remove round from vertical swing tube, do the following:1. Place palm of right hand firmly under edge of vertical swing tube.


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2. While pressing up on vertical swing tube with right hand, pull lever withleft hand to release latch.

FIGURE XXX Vertical Swing Tube Release Lever

3. Lower vertical swing tube slowly to avoid damage to tube and roundfrom sudden drop.

FIGURE XXX Vertical Swing Tube in unload Position

4. Push spring clip away from round and one at a time remove each roundby pulling it out of the tube.5. Repeat for two more tubes.6. Return tubes to stowed position.

R. Close stowage ammunition door.


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S. Install drive pin punch into actuator shaft and pull actuator shaft out 6 inches(15.2 cm) to 10 inches (25.4 cm) past center post. Remove drive pin punch.

FIGURE XXX Align Actuator Shaft

T. Pull and turn lock shaft 1/4-turn clockwise until lock shaft is straight up torelease ready ammunition door.

FIGURE XXX Locking Shaft in the Unlocked Position


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U. Position ready ammunition door to align holes in housing shaft and actuatorshaft (1) and put release pin in actuator shaft

FIGURE XXX Actuator Shaft Alignment

V. Slide ready ammunition door to right as far as it will go.W. Remove pry bar from stowed position.X. With pry bar on pin, pivot pry bar down until wedge is in groove of readyammunition door.Y. Move pry bar to left until latch hooks over latch plate.Z. Install pry bar in stowed position.AA. Turn bypass valve on turret shelf clockwise to return hydraulic pressure toready ammunition door closing actuator.

DOWNLOAD AMMUNITION FROM THE AMMUNITION STOWAGECOMPARTMENTA. Pivot pry bar down until wedge is in groove of stowage door. Pull handle out tofull extension.B. Pry stowage door closed with pry bar to relieve pressure from stowage doorlatch handle.


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C. Turn stowage door latch handle clockwise, pull out, then turncounterclockwise to locked open position.

FIGURE XXX Opening Stowage Ammunition Doors

D. Use pry bar to pull stowage door open.E. Hold stowage door open with stowage door hold open lever.

FIGURE XXX Locking Stowage Ammunition Door Open


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WARNINGReleasing spring clip (1) may allow round (2) to drop out of tubes (3), (4),(5), and (6) and cause injury to personnel.

G. Push spring clip away from round.

NOTE

Releasing spring clip will push round out of tube severalinches to allow removal.

Remove rounds from stationary tubes (7) in ammunitioncompartment before removing rounds from side swing tubes(3), (4), (5) or vertical swing tubes (6).

H. One at a time, grasp nine rounds and pull out of tubes.

WARNING

When pulling levers (8, 9, and 10) swing tubes (3, 4, 5, and 6) move rapidlyand fingers could be crushed or severed.


I. To remove round from side swing tubes (3), (4), (5), do the following:1. Pull lever out.2. Let tube swing to unload position.3. Push spring clip away from round and one at a time remove each round

by pulling it out of the tube.4. Pull lever and move swing tube back until it locks.5. Pull levers one at a time, out to first detent.6. Let two tubes swing to unload position.7. Push spring clip away from round and one at a time remove each roundby pulling it out of the tube.8. Pull levers one at a time, out to second detent.9. Let two tubes swing to unload position.10. Push spring clip away from round and one at a time remove eachround by pulling it out of the tube.11. One at a time pull levers and move empty tubes into position.

J. To remove round from vertical swing tube, do the following:1. Place palm of right hand firmly under edge of vertical swing tube.2. While pressing up on vertical swing tube with right hand, pull lever withleft hand to release latch.3. Lower vertical swing tube slowly to avoid damage to tube and roundfrom sudden drop.4. Push spring clip away from round and one at a time remove each roundby pulling it out of the tube.


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5. Repeat for two more tubes.6. Return tubes to stowed position.

K. Release stowage door hold open lever and slide stowage door closed as faras it will go.L. Pivot pry bar down until wedge is in groove of stowage door. Pull handle out to

full extension.M. Use pry bar to hold stowage door closed.N. Turn stowage door latch handle clockwise, push in, then turncounterclockwise to lock position.

FIGURE XXX Stowage Door in Locked Position

O. Install commander's curtain assembly.1. Place curtain assembly on stowage door.


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2. Push in plunger and move to right.

FIGURE XXX Securing the Curtain

3. Attach D-rings to hooks.

FIGURE XXX Secure Lower Curtain

4. Tighten belts.


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DOWNLOAD AMMUNITION FROM THE HULL AMMUNITION STOWAGECOMPARTMENTS

A. Traverse turret as needed to gain access to hull ammunition doors.B. Lock turret lock.

NOTERight hull ammunition door is shown for removing latch clamp assembly.Do same steps for left hullammunition door.

C. Press and hold button on quick-release pins.

FIGURE XXX Hull Ammunition Doors

D. Pull out quick-release pins from vertical latch clamps.


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E. Pull out handles to release tension on latch clamps.

FIGURE XXX Latch Clamps Released

F. Unhook latch clamp hooks from latch inserts. Turn latch clamp hooks awayfrom right hull ammunition door.G. After latch clamp hooks are removed, push handles back into position.


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H. Slide top end of clamp bar up through opening until bottom end of clamp barclears bracket. Remove clamp bar by lowering it out of opening.

FIGURE XXX Clamp Bar Removed

NOTEOnly one hull ammunition door can be opened at a time.


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I. To open right hull ammunition door, insert hook at end of clamp bar into latchinsert in right hull ammunition door, and push in and slide right hull ammunitiondoor to left as far as possible. Remove hook from latch insert and place clampbar against door edge. Push right hull ammunition door to the left until fullyopened.

FIGURE XXX Opening Hull Ammunition Door


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J. To open left hull ammunition door, insert hook at end of clamp bar into latchinsert in left hull ammunition door, and push in and slide left hull ammunition doorto right as far as possible. Remove hook from latch insert and place clamp baragainst door edge. Push left hull ammunition door to the right until fully opened.

K. Open hull ammunition door.

FIGURE XXX Hull Ammunition Door in the Open Position

NOTE


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Steps A. thru D. are for one side of ammunition compartment. Repeatprocedure as needed, after traversing turret, if both sides are to beunloaded.

WARNING

Releasing spring clip may allow round to drop out of tubes and causeinjury to personnel.

L. Push spring clip away from round.

M. One at a time, grasp three rounds and pull out of tubes.

NOTERight hull ammunition door is shown for closing hull ammunition doors. Dosame steps for left hull ammunition door.

N. Reach in and grasp slot in rear of right hull ammunition door. Slide right hullammunition door to right far enough to put hook in latch insert of right hullammunition door.O. Pull right hull ammunition door all the way to the right until right hullammunition door seats against door opening.P. Slide top end of clamp bar up through opening until bottom end of clamp barclears bracket. Place the clamp bar by lowering the bottom end into bracket.Q. Pull out handles.R. Hook latch clamp hooks on latch inserts.S. Try to push handles all the way down one at a time, to latch right hullammunition door.

T. Check to see that right hull ammunition door is tightly sealed against openingwith both handles pushed down.U. Put quick-release pins in vertical latch clamps.

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