TM 10-5411-200-14
T.O. 35E4-177-1
4-32.
(cont)
(b) Operation II - Knock out drilled pin and remove upper
portion of pin and lock collar.
(See page 4-187)
(c) Operation III - Counterbore sleeve.
(See page 4-188)
(d) Operation IV - Knock out counterbored sleeve and remove
head of sleeve.
(See page 4-189)
NOTE
The illustration of the operations for removal show
a countersunk blind bolt.
The removal of a pro-
truding head blind bolt is the same.
A micro-limit
tool is used with the counterbore cutter in Operation
III to control the depth of the cut.
TABLE I
VISUAL INSPECTION TABLE
Collar
Lock Position
Minimum
Rivet
Position
B max.
C max.
Blind Head
Dia.
A max.
above
below
Diameter
3/16
.022
.012
.012
.238
1/4
.029
.015
.015
.315
INSPECTION OF
LOCKING COLLAR
INSPECTION OF
POSITION
PIN POSITION
BOLT TOO LONG
BOLT TOO SHORT
PIN WILL PROTRUDE
PIN WILL EXTEND
TOO FAR
TOO FAR IN HEAD
A
- Maximum allowable distance of locking collar
head.
B
- Maximum allowable distance of top of land on
c
- Maximum allowable distance of top of land on
4-152
above or below fastener
pin above fastener head.
pin below fastener head.
