106 MANUAL FOR YOUNG SPORTSMEN. 
vut of the breeches, and in this case it will be well to draw 
through the tubes a needle well charged with floss silk, 
which will collect and remove any oil which may have en- 
tered, and which, if suffered to remain, when the gun 
should be loaded, intervening between the powder and the 
cap, would, almost certainly, cause a miss, or at least a 
long fire. 
“ Let down the cock. 
“Cramp the main spring sufficiently to remove it,” 
with the small lock-vice which accompanies every com- 
plete gun-case; but be careful not to over-cramp, as one 
may so break or injure the spring. 
“ Take off the bridle. 
“Press scear against scear-spring with the forefinger 
and thumb of the left or right hand, according as the lock 
may be a left or a right one; and having, with the fore- 
finger of the other hand, pushed back the cock as far as it 
will go, let the scear-spring go back gently, when the pivot 
of the scear is easily lifted out of the hole, and the scear 
taken out. 
“Turn out the scear-spring screw, and take out the 
spring. 
“ Unscrew and take out the cock.” To do this, by no 
means wrench it off by forcing a screw-driver between the 
cock and the plate, but loosen it by gently tapping the in- 
side of the cock with a bit of soft wood. 
“Take out the tumbler.” 
This done, wipe all the parts thoroughly dry, remove 
the dry rust, if any, by means of a little oil and a bur- 
nisher, lightly oil the whole machinery, again wipe it dry 
