CZ-52 manual part2
Both the barrel and slide are engaged by rollers and locked together as an assembly. Recoil moves the slide assembly to the rear, compressing the recoil spring. The roller cam, which retains the rollers in locked position, rests against a similarly configured frame lug. After overcoming short recoil (6 mm), the rollers are disengaged and the barrel lug abuts the frame as the slide continues rearwards. The case is extracted and is ejected through the port by the frame-mounted ejector.
Trigger mechanism is of the single-action type. The firing pin is equipped with an automatic safety catch preventing firing until the trigger has been pulled. This prevents an accidental discharge of the handgun, even with an unintentional impact onto the hammer.
The frame-mounted safety has three positions. The lower is the "fire" mode and exposes are detent. In the middle position, the safety engages both, the trigger bar and the rebound notch of the hammer. This allows the weapon to be "cocked and locked" or safety unloaded. The upper position provides cocking function that causes the hammer to fall as the safety rotates into the rebound notch of the hammer.
Pistol stripping and assembling is very simple, cleaning and maintenance require only minimum time and work.
The handgun has been completely overhauled. After simple barrel exchange is given the possibility to fire the weapon in corresponding caliber.
STRIPPING & ASSEMBLING
The weapon can be stripped down into following assemblies, Fig. 2:
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• Slide
• Barrel with return spring
• Magazine
• Frame
Fig. 2 The weapon stripped
TO STRIP:
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Fig. 3 Stripping |
• Remove the magazine by pressing the magazine catch. Retract the slide, checking the chamber to insure that the pistol is unloaded. Allow the slide to return to battery and elevate the safety to its uppermost position causing the hammer to fall against the hammer block.
• Pull down the serrated tabs of the takedown latch located on both sides of the frame in front of the trigger guard, Fig. 3a. This releases the slide assembly to move 6 mm forward and lift straight up off the frame.
• Invert the slide assembly and insert a magazine bottom plate extension in the slot in the roller cam, Fig. 3b. Retain the slide with one hand while moving the roller cam forward to disengage the rollers from the slide recesses. With the bottom plate extension canted slightly to the rear, tilt the breech of the barrel assembly out about 10 ° and withdraw it to the rear. Take recoil spring off the barrel.
TO ASSEMBLE:
• Place the recoil spring on the barrel assembly than place the front end of the recoil spring in the muzzle of the slide. Insert a magazine bottom plate extension in the slot in the roller cam to move the muzzle of the barrel forward through the front of the slide. Lower the breech of the barrel assembly into the slide allowing it to retract into position.
• Place the slide assembly on the frame in the 6 mm forward position, aligning the lugs and assembly slots. Apply downward pressure and move the slide to the rear until the takedown latch snaps into place to engage and retain the slide.
• Install the magazine to complete reassembly.
CLEANING AND MAINTENANCE
No special maintenance is required with the weapon. It is recommended to clean the weapon immediately after shooting and to apply a thin protective layer of good quality firearm oil. Wipe dry the barrel bore before firing. Keep the surface of the weapon clean and dry.
Pay also attention and care to cartridges used, so as to prevent prospective operational failures of the weapon.
SAFETY RULES
• Treat a gun as if it were loaded. Never point your gun at anything you do not intent to shoot.
• Always point the hand gun muzzle in a safe direction. Remember that bullets will penetrate walls, floors and windows, and will also ricochet from flat hard surfaces.
• Be sure of your target and what's beyond it. Don't shoot unless you know exactly what your shot is going to strike.
• Whenever you handle a gun, or hand it to someone, always open the action immediately and visually check the chamber, receiver and magazine to be certain they do not contain any ammunition.
• The sequence of stripping the weapon is important to prevent damage to the working parts. It will not be stripped further than taught.
• Don't alter or modify your gun, and have guns serviced regularly.
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