(Make Sure Revolver is Unloaded!)
1. Assemble pawl to hammer and transfer bar to trigger as shown in Figure 5, p. 21. Partially insert hammer/pawl assembly in its recess in the frame. Insert trigger/transfer bar assembly in its slot in the frame. Then simultaneously complete insertion of the two assemblies into the frame.
2. (Refer to Figure 5, p. 21.) Align hammer in frame and insert hammer pivot with the grooved end of the pivot opposite the gate side of the frame. The long screw, XR01901, when also inserted opposite the gate side, will intersect the groove and lock the pivot in place. (See step number 11, p. 23.)
3. Replace cylinder latch and gate detent spring as shown in Figure 7. Note that the lug on the cylinder latch fits between the arms of the gate detent spring and that the end of one of the arms of the spring is formed at a 90 degree angle. The projection thus formed, is designed to fit through the square hole in the bottom of the frame and to ride on the cam surface of the gate pivot. Note also that this projection holds the loading gate back and in place.
4. (Refer to Figure 5, p. 21.) Depress the upper arm of the gate detent spring with tip of screwdriver blade and install trigger pivot. Pivot should be inserted from the gate side of the frame. The non-grooved end of the pivot should be inserted first. (It may be necessary to manipulate the trigger, the gate detent spring, and the cylinder latch to align them to receive the trigger pivot.)
5. Insert the base pin. The base pin must be fully inserted and locked in position by the base pin latch. If the base pin is not fully inserted and locked, the transfer bar may catch under the firing pin when the hammer is being cocked.
6. (Refer to Figure 8, below.) Unhook the ends of the trigger spring (KMVQ03700) from the grooved retaining pin on both sides of the grip frame.
7. Insert cylinder latch spring and plunger in hole in grip frame. (The spring goes in first so that the plunger is on top.)
8. Insert pawl spring and plunger (plunger goes in the hole first) in the hole in the left side of the cylinder frame just above the left rear grip screw hole.
9. Install mainspring assembly and internal lock assembly which should be visible when viewing the right side of the grip frame. Be certain the strut is positioned properly. See the Parts Drawing for correct strut positioning.
10. (Refer to Figure 8, below). Draw hammer to the rear slightly and place the grip frame loosely on the cylinder frame. Before pushing the grip frame forward to mate with the cylinder frame, be certain that:
(a) the cylinder latch spring plunger (XR07700) is positioned so that is will contact the bottom of the cylinder latch (rather than either side of the latch),
(b) the pawl spring is aligned to contact the left 'ear' of the grip frame (and not be bent as the ear contacts it).
11. See Figure 8, and note the end of the trigger spring (the arrow marked "A"). This end of the spring must be depressed so that it slides under the rear portion of the trigger when the grip frame is forward. With all the above springs and plungers aligned, fully mate the grip frame and cylinder frame and install the five grip frame screws. Note that the long screw (XR01901) should go in the grip frame hole opposite the gate side (Figure 8-B) of the revolver.
12. Hook the two ends of the trigger spring over the trigger spring retaining pin (KMVQ06300) as shown in Figure 8-C.
13. Be certain the internal lock is correctly positioned on its step in the grip frame. Then, draw the hammer back to the full cock position and remove the small pin from the mainspring strut. Pull trigger and allow hammer to fall.
14. Open the gate, withdraw base pin and install the cylinder. Reinsert the base pin and be certain it is fully seated and locked in position.
15. Before loading cartridges into the chamber, cycle the revolver several times. Check to be sure that cylinder rotates and locks correctly, that trigger returns in a positive manner when released, and that loading gate opens and closes normally.
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