Instruction/ maintenance manual of the product UMP40 Sterling Trucks
Go to page of 49
Operators Manual In a world of compromise, some don ’t. HK UMP Submachine Gun UMP45 (.45 ACP) UMP40 (.40 S&W).
.
UMP Universal Submachine Gun Operators Manual CAUTION: Read the safety rules before handling the UMP Submachine Gun! © Heckler & Koch, Inc., 10/1999, Revised August 2000 All rights reserved HK, Inc., 21480 Pacific Blvd. Sterling, Virginia 20166-8903 United States of America T elephone (703) 450-1900 • Fax (703) 450-8160 www .
4 T ABLE OF CONTENTS Safety Rules on the Use of the HK UMP Submachine Gun ................6 General ................................................................................................8 Assembly Groups .....................................
5 T ABLE OF CONTENTS Major Cleaning ..................................................................................33 Operator Inspection ............................................................................34 Lubrication ...................
6 UMP SAFETY RULES Safety Rules on the use of the HK UMP Submachine Gun Clear the weapon! Before handling the weapon, “clear it!” Do so by: • Make sure fingers are outside of the trigger guard and the weapon is pointed in a safe direction at all times! • ON SAFE – Rotate the safety/selector lever to the “Safe” position.
7 UMP SAFETY RULES to fire. • Never point the submachine gun at anyone during handling. • Always point the submachine gun in a safe direction. • Before handling and before cleaning it has to be .
8 UMP SUBMACHINE GUN General The UMP Submachine Gun is a select-fire small arm manufactured according to the latest standards of manufacturing methods. The upper receiver , lower receiver , magazine, and folding buttstock are made of high strength polymer .
9 GENERAL Fig. 2 UMP with buttstock open, right side view Fig. 3 UMP with buttstock folded, right side view Fig. 4 UMP with carrying sling, left side view.
10 UMP SUBMACHINE GUN Assembly Groups 1 Upper receiver with barrel, folding buttstock and attachment components 2 Bolt Group with recoil spring assembly , complete 3 Lower receiver with trigger mechanism, backplate and magazine well 4 Magazine For accessories see pages 15-16 Fig.
11 DESCRIPTION OF ASSEMBL Y GROUPS Assembly Group 1 Upper receiver with barrel, folding buttstock attachment components The upper receiver is produced using fiber-reinforced plastics and houses other subassemblies.
12 UMP SUBMACHINE GUN Buttstock The buttstock folds to the right along the upper receiver , and with the stock folded, the UMP is only 17.72 inches (450 mm) long. The open frame-type design of the buttstock also enables the weapon to be fired with the buttstock folded.
13 DESCRIPTION OF ASSEMBL Y GROUPS The bolt group (Fig. 8 and 9) consists of: 1 bolt 2 firing pin spring 3 firing pin 4 extractor 5 firing pin retaining pin 6 recoil spring assembly , complete 6a guide ring 6b support Fig. 8 Bolt Group, assembled Fig.
14 UMP SUBMACHINE GUN Assembly Group 3 Lower receiver with trigger mechanism The lower receiver houses the trigger mechanism with safety/selector levers, the backplate, the magazine well, magazine release lever and bolt catch. The forward portion of the lower receiver is hooked to the upper receiver .
15 DESCRIPTION OF ASSEMBL Y GROUPS 15 Fig. 10 Lower receiver with trigger mechanism, backplate and magazine well 1 T rigger 7 T rigger mechanism 2 Magazine release lever 8 Backplate 3 Magazine well 9 .
16 UMP SUBMACHINE GUN Assembly Group 4 Magazine The magazine housing is constructed from plastic. The transparent panels on the magazine enables its contents to be checked visually . The magazine consists of: magazine housing, magazine floor plate, follower , follower spring and locking plate.
17 ACCESSORIES Carrying sling The carrying sling (Fig.14) enables the shooter to carry the UMP in any of several ways and ensures immediate readiness to fire from all carrying positions (see pages 43-44).
18 HANDLING & OPERA TION OF THE UMP Magazine Loader The magazine loader aids in the filling of magazines. Fig. 19 Magazine Loader Filling the Magazine • Grasp magazine. • Slide individual cartridges under the magazine lips one by one (Fig. 20).
19 MAGAZINE Emptying the Magazine • Grasp magazine. • With your thumb, push cartridges forward out of the magazine into the palm of the other hand or • Grasp magazine and hold it with the points of the bullets pointing towards the bottom. • Use a piece of wood to slide the cartridges out of the magazine.
20 UMP SUBMACHINE GUN Starting Situation 1: No magazine is present in the weapon. The bolt is forward. • Put the UMP on (Safe). • Insert the loaded magazine into the magazine well until the magazine catch engages audibly . T ug downward to ensure it is properly seated.
21 LOADING THE SUBMACHINE GUN Starting Situation 2: There is an empty magazine in the weapon. The bolt is held back by the bolt catch. • Put the UMP on (Safe). • Push magazine catch forward and remove empty magazine. • Insert the filled magazine into the magazine well until the magazine catch engages audibly .
22 FORW ARD ASSIST With heavy external fouling of the UMP , (sand, sludge) or to load the weapon quietly , the thumb recess on the bolt may be used as a forward assist (Fig 25A). T o do so use the thumb recess, push bolt forwards until it is in the forward most position.
23 STORAGE OF THE WEAPON 1. Store the weapon clean and lubricated. 2. Store the weapon without a round in the chamber . 3. Store the weapon with the cocking lever forward and the hammer down (at rest). 4. After no more than twelve (12) months unload all loaded magazines and replace the ammunition with fresh ammunition.
24 UMP SUBMACHINE GUN Disassembly of the UMP NOTE: The UMP is disassembled and reassembled without the use of tools. The use of force is prohibited. The user of this weapon is not allowed to disassemble the weapon beyond that which is covered in this operators manual.
25 DISASSEMBL Y • Fold buttstock. • Pull back cocking lever and remove recoil spring assembly with bolt to the rear (Fig. 27). Fig. 27 Removing recoil spring assembly with bolt.
26 UMP SUBMACHINE GUN Disassembly of the Bolt • Push and hold firing pin forward. • Pull out firing pin retaining pin to the left (Fig. 28). • Remove firing pin and firing pin spring to the rear . T o do this, push locking catch to the right (Fig.
27 DISASSEMBL Y Disassembly of the Magazine • Depress locking plate through magazine floor plate and slide magazine floor plate to the rear . • Detach magazine floor plate to the rear . • Remove follower spring with locking plate and follower . CAUTION: Magazine floor plate is under spring tension.
28 UMP SUBMACHINE GUN Reassembly of the UMP • Fold buttstock. • Insert the bolt and recoil spring assembly to the receiver from the rear . • Unfold buttstock. • From below , engage lower receiver (hammer between cocked and released positions) into the support bolts on the upper receiver and swivel it upwards (Fig.
29 FUNCTION CHECK NOTE: A Function Check should be performed anytime the weapon is reassembled. This quick check indicates whether or not the weapon has been properly assembled and/or assembled with all components.
30 UMP SUBMACHINE GUN Operator Cleaning • The functional performance of any mechanical device varies greatly on the quality and frequency of the maintenance performed on that item.
31 CLEANING Normal cleaning Performed after each firing or every twelve (12) months. Major cleaning Often referred to as “detailed cleaning”. Performed on an unsuppressed UMP after 1,000 rounds (5.
32 UMP SUBMACHINE GUN compressed air . Forearm / foregrip Remove any foreign debris from the forearm or optional foregrip using a toothbrush, rag or compressed air . Upper receiver with barrel Start with the bore and chamber . • Bore – Apply a liberal amount of solvent to a bronze bristle bore brush of the appropriate caliber .
33 CLEANING Bolt group Scrub all parts of the bolt group with a toothbrush and solvent where carbon is visible, especially around the face of the bolt and the extractor . Do not attempt to remove the extractor for cleaning! There is no functional need to remove the extractor for normal cleaning.
34 UMP SUBMACHINE GUN Operator inspection During or after cleaning the operator should inspect the weapon and it’s components for any irregularities that may causes problems during it’s operation. If any potential deficiencies are noted, they should be corrected immediately and/or brought to the attention of the unit armorer .
35 LUBRICA TION • All metal accessories Medium Lube – (finger run across surface yields some lube but lube does not run down surface when held in a vertical position) • Bolt group with recoil sp.
36 UMP SUBMACHINE GUN behind the projectile as it passes through the bore and sound suppressor thus lowering the exit velocity of the bullet below 1,088 feet/second. Or two, by firing ammunition in the weapon that is down-loaded to a velocity below the supersonic range.
37 SOUND SUPPRESSOR Generally , the aluminum Bruegger & Thomet UMP sound suppressors when used with the recommended ammunition provide 20–25 decibels (dBA) sound reduction when compared to an unsuppressed weapon.
38 UMP SUBMACHINE GUN Ammunition The UMP submachine gun was designed to use ammunition designed to NA TO or SAAMI specifications. Like an automobile engine, you cannot expect top performance by using poor quality fuel.
39 TROUBLESHOOTING 5. Next, determine and eliminate the cause of the stoppage. The items indicated in the following tables do not cover all stoppages theoretically possible. A given stoppage may also have been caused by other reasons than the ones indicated.
40 UMP SUBMACHINE GUN Stoppage Cause Remedy No cartridge fed by bolt. Magazine not properly Insert magazine properly . inserted. Magazine loose Check magazine catch and notch on magazine. If required take UMP to maintenance shop. Follower spring lame Replace magazine or follower spring and take to maintenance shop.
41 CARRYING SLING Carrying sling The carrying sling enables the UMP to be carried in several ways. In this process, the buttstock may be folded up or unfolded. The carrying sling is attached to the mounting points on the receiver , handstop, or buttstock via the carbine hooks.
42 UMP SUBMACHINE GUN Fig. 34 Length adjustment Fig. 35 Place upper half onto shoulder over the head.
43 CARRYING SLING Carrying modes Fig. 36 UMP across the chest Fig. 37 UMP on the back.
44 UMP SUBMACHINE GUN Firing positions Fig. 38 UMP fired from the shoulder Fig. 39 UMP fired from the hip.
45 SIGHT ALIGNMENT FOR THE UMP Sight Adjustment If the point of impact has to be corrected, this will be done by adjustment of the rear sight using the Allen wrench provided with the weapon. The UMP is zeroed at the factory to hit the point of aim at 25 meters (27.
46 UMP SUBMACHINE GUN Correct point of aim Even circle of light Sight alignment for UMP Fig. 42 Sight pictures Point of aim Rear sight Aperture Circle of light Front sight holder Front sight post Impa.
47 SPECIFICA TIONS Specifications UMP45 Caliber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 ACP Operating principle . . . . . . . . . . . . . . . . . . . . . . .
48 UMP SUBMACHINE GUN Upper receiver with barrel,complete (I - 21) 217503 1 Upper receiver, incomplete 217509 2 Front sight 217506 3 Roll pin, front sight, 4x 144 mm 928747 Rear sight, complete.
49 EXPLODED DIAGRAM & P ARTS LIST Item Description Part No. Item Description Part No. NOTE: UMP .40 S&W parts are shown in italics in parts lists 37 Sear 205439 38 Sear spring 205421 39 Releas.
An important point after buying a device Sterling Trucks UMP40 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sterling Trucks UMP40 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sterling Trucks UMP40 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sterling Trucks UMP40 you will learn all the available features of the product, as well as information on its operation. The information that you get Sterling Trucks UMP40 will certainly help you make a decision on the purchase.
If you already are a holder of Sterling Trucks UMP40, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sterling Trucks UMP40.
However, one of the most important roles played by the user manual is to help in solving problems with Sterling Trucks UMP40. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sterling Trucks UMP40 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
