Describe the A.H.S ... Double...
Double-ended linkless system
What purpose does the anti-jam pin serve?
to prevent the gun from jamming during download
The max rate of fire and min rate of fire
6000 SPM and 4000 SPM
how many elements and "carrots" must be used to check the entrance unit after reassembly?
5, 5
The upper gun housing body is cracked after being inspected during a flight safety. Do you replace just the upper portion, or both upper and lower?
Both. They come as matched sets.
This component moves the rounds forward along the the drum outer partitions
the helix
what type of lubricant cannot be used in the gun lubricator assembly
TEFLON ADDITIVES
what are the two steps in the clearing cycle?
feeding and ejecting
the lubricator is filled with this type of lubricant
MC3000
BeCu can be found on one of the following items:
1. return chute;
2. muzzle clamp;
3. mid barrel clamp; or
4. breech bolt
muzzle clamp
This component holds the rounds in place until unloading
the partitions
Which sub assembly (unit) takes rounds from the transfer unit and places them in the breech bolts?
feeder unit
which component is the HDU mounted on
entrance cover
How many rounds do you need to complete the gun post-test functional (F.L.U.F)
100
What type of grease must be used on the gun rotor at all times?
TW-25B
the path of the feed chute is from _____ to the _____
exit, transfer
the gun is FIRED (controlled) __________ and is ___________ driven.
electrically, hydraulically
which item in the A.H.S lifts unfired rounds from the conveyer and places them into the retainer partition?
entrance unit
You find your upper unlocking cam cracked during an 18 month OSI. Do you replace just the upper, or both the upper and lower?
Both. They are replaced in pairs.
During the barrel erosion check, what is the max measurement between the highest and lowest barrel erosion reading?
0.010"
How many elements form the conveyer assembly
100
Where is the GUN serial number located?
The rotor
what is the first step in removing the breech bolts from the gun?
place clearing sector into the firing position. (the breech bolts must first be rotated into firing position so they don't obstruct the clearing path during removal. Once ready, place clearing sector into clearing and rotate barrel cluster so one breech bolts comes up at a time
What is the individual laminated shim thickness on the bearing retainer shim?
0.002"
what is the firing voltage used by the CF-188 for the M61A1?
238-290 VDC