1) Place the magazine cut-off in the
center position between off and on (as
shown in figure 1).
2) Cock the bolt. There are three ways to
cock the bolt:
Pull the bolt to the rear but do
not pull out of the receiver and then
close the bolt.
Pull back on the cocking piece
until it cocks and locks back and into
place.
Open the bolt raising the bolt
handle until it strikes the left side of
the receiver.
3) Rotate the safety lock to the center
position located between the "safe" and
"ready" positions.
4) Remove the bolt.
5) Figure 5 shows bolt sleeve lock.
6) Depress the bolt sleeve lock and turn
the bolt sleeve left or counter-clockwise.
7) Unscrew the bolt sleeve from the bolt
body.
8) Remove bolt sleeve from bolt body.
9) Rotate extractor to the right or
clockwise until it is out of its groove at
the front of the bolt.
10) Push forward at the base of the
extractor.
11) Push extractor forward until it
clears the front of the bolt as shown in
figure 11.
12) Remove the extractor
and set both parts aside.
13) There are several methods for
performing the following task. Caution: Make
sure not to pinch your skin in main spring
or cocking piece as they move forward. Place
the point of the striker on a piece of wood.
Draw the cocking piece back while pushing
down with other hand on bolt sleeve. Rotate
safety lever to "ready" position. Slowly
allow the cocking piece to move forward to
its fullest position and allow the main
spring to expand and the bolt is no longer
cocked.
14) With the cocking piece firmly resting
against a surface, pull back on the firing
pin sleeve.
15) Remove the striker by pulling it to
the side as shown in figure 15.
16) Allow the main spring to expand
slowly.
17) Remove the firing pin sleeve.
18) Remove the main spring.
19) Pull the firing pin out of the bolt
sleeve.
20) Rotate the safety lock to the center
position located between the "safe" and
"ready" positions.
21) Strike the front of the safety lever
and it will become unseated as shown in
figure 21.
22) Remove the safety lever.
Not
Pictured: Only if needed to be replaced,
drive out the bolt sleeve lock pin from the
top with a punch. Remove the bolt sleeve
clock pin and spring.
23) Figure 23 shows the disassembled
1903/03A3 bolt.
Reassembly
Instructions
24) Figure 24 shows the safety lock
plunger.
Not Pictured and only if
you removed the bolt sleeve lock pin and
spring: Drive in the bolt sleeve lock
pin and spring from the bottom with a punch.
25) Insert the safety lever's spindle
into its hole in the back of the bolt
sleeve. Push it as far forward as it will
go.Rotate the safety lock to the center
position located between the "safe" and
"ready" positions.
26) Using a small flat blade screwdriver
compress the safety lock plunger until it
can slip over the top of the sleeve and into
its slot.
27) Push safety lever completely forward.
28) Figure 28 shows the extractor collar
and the bottom of the extractor.
Rotate the extractor collar until it is
lined up as pictured in figure 28.
29) Compress collar and slide the
extractor onto the collar.
30) Push the extractor to the rear of the
bolt. Slightly lift the front of the
extractor so it clears the front of the
bolt. Push the extractor to the rear of the
bolt until extractor is aligned with groove
cut into bolt.
31) Rotate the extractor to the left or
counter-clockwise until it enters the
groove.
32) Insert the firing pin into the bolt
sleeve.
33) Figure 33 shows the position of the
sear notch/lug as it rest in the bolt
sleeve.
34) Rotate the safety lever to the
"ready" position. This allows the firing pin
to move forward in the bolt sleeve as far as
possible.
35) Place the main spring on the firing
pin.
36) With the cocking piece firmly resting
against a surface, compress the main spring
and install the firing pin sleeve.
37) With the cocking piece firmly resting
against a surface, compress the main spring
and firing pin sleeve and install the
striker onto the firing pin.
38) Allow the firing main spring to move
forward and the firing pin sleeve to slide
over the rear of the striker.
39) Place the tip of the striker against
a piece of wood. Pull back on the cocking
piece.
40) With the cocking piece pulled back,
rotate the safety lock to the center
position located between the "safe" and
"ready" positions.
41) Insert firing pin into bolt body.
42) Rotate the bolt sleeve to the right
or clockwise.
43) Depress bolt sleeve lock and rotate
the bolt sleeve into its locked position.
44) Place the magazine cut-off in the
center position between off and on (as
shown in figure 44).
45) Depress magazine follower and insert
bolt.
46) Push bolt handle fully forward and
close.
47) Rotate safety lever to "ready"
position.
48) Place the magazine cut-off in the
"off" position (down as
shown in figure 48).