Nsn For A Dti Kit For A Mk

SYMPTOM - Continued

Obstructed bore.

MALFUNCTION

Bore obstructed.

CORRECTIVE ACTION

2. Charge gun and hold bolt to rear.

3. Open top cover.

4. Insert bore obstruction device (BOD) into bore to check for a live round. LIVE ROUND LODGED IN BORE

a. If vehicle is mounted, remove the empty catch bag.

b. Depress feed pawl, release ammunition belt, and clear feed area. Move the ammunition belt and can to a safe area.

c. Holding the bolt to the rear, insert cleaning rod through receiver rail to top of shell casing and as close to the bolt as possible.

d. Place left hand underneath as close to the round as possible. Vigorously raise cleaning rod upward forcing the round off the bolt face into the hand. Remove round to designated area for expended ordnance disposal (EOD).

e. Place selector lever on 'F' (FIRE). Ease the bolt forward. Remove the backplate pin, bolt and backplate assembly (WP 0059 00). Check for the type of obstruction.

f. Remove obstruction per round remove procedures (TM 9-1010-230-10). SPENT CASE LODGED IN BORE.

Remove barrel (WP 0067 00). Install new barrel (WP 0067 00).

PROJECTILE IN RECEIVER, SEPARATED FROM CASE.

Ammunition defective. Remove and dispose of separated projectile in accordance with local directives. No further corrective action is required.

END OF WORK PACKAGE

CHAPTER 4

UNIT MAINTENANCE INSTRUCTIONS FOR THE

MK 19 MOD 3 40 MM MACHINE GUN, AND

UPGUNNED WEAPONS STATION MK 19 40 MM MACHINE GUN

UNIT

MK 19 MOD 3 40 MM MACHINE GUN (NSN 1010-01-126-9063) UPGUNNED WEAPONS STATION MK 19 40 MM MACHINE GUN (NSN 1010-01-362-6513)

SERVICE UPON RECEIPT

INITIAL SETUP:

Tools and Special Tools

Tool kit, small arms repairman,

SC-5180-95-CL-A07 with addition of SL-3-00607A (Marine Corps Only) Tool set, intermediate maintenance, SL-3-08669A (Marine Corps only) Tool set, organizational maintenance, SL-3-08668A (Marine Corps only)

Materials/Parts

Lubricant (as required)

References

DA PAM 738-750 (TM 4700-15/1 Marine

Corps) SF 364

TM 9-1010-230-10 WP 0124 00

GENERAL

1. Inspect the MK 19 MOD 3/MK 19 Upgunned Weapons Station for damage incurred during shipment. If it has been damaged, report the damage on SF 364, Report of Discrepancy (ROD).

2. Check the MK 19 MOD 3/MK 19 Upgunned Weapons Station against the packing slip to see if the shipment is complete. Users will report all discrepancies in accordance with DA PAM 738-750 (Marine Corps use TM 4700-15/1).

3. Check to see whether the MK 19 MOD 3/MK 19 Upgunned Weapons Station has been modified.

Table 1. Service Upon Receipt

Location

Item

Action

Remarks

1. Container

Banding straps

Remove.

Barrier bag

Cut outer and inner bags

carefully.

Contents

Remove. Check inventory

list for presence of all items.

Outer container

Dispose. (Container may be

used to evacuate the gun for

maintenance.)

Table 1. Service Upon Receipt - Continued

Location

Item

Action

Preliminary servicing

ricate the interior of th( excess recoil with possi

1. Inspect for rust, dents, and deformation.

2. Reject the weapon if:

(b) Control grip assembly is cracked or bent.

(c) Top cover or receiver is cracked.

1. Field strip the gun (see TM 9-1010-230-10). Remove lubricant from exterior surfaces, dry, and lubricate all exterior surfaces with appropriate lubricant as specified in WP 0124 00.

JTION

bolt buffer assemblies. Lubric ble parts damage inside gun.

2. Lubricate bolt and backplate assembly.

3. Lubricate sear assembly.

4. Lubricate the ogive plunger assembly.

5. Lubricate/preserve the other assemblies and components on the weapon.

6. Assemble the weapon.

7. Function check feed operation. (Army: Feed slide adjustment will be performed at the Direct Support level only.)

ant

Table 1. Service Upon Receipt - Continued

Location

Item

Action

Remarks

3. Left rear of receiver

Serial number

1. Check the number against the shipping document. Serial numbers should match.

2. Report any discrepancy.

UNIT

MK 19 MOD 3 40 MM MACHINE GUN (NSN 1010-01-126-9063) UPGUNNED WEAPONS STATION MK 19 40 MM MACHINE GUN (NSN 1010-01-362-6513)

PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION

INITIAL SETUP:

References

DA Form 2404 TM 9-1010-230-10 WP 0082 00

GENERAL

This section contains the procedures and instructions necessary to perform Unit preventive maintenance checks and services (PMCS). These services are to be performed by Unit Maintenance personnel.

Wherever the MK 19 Mod 3 is specified it shall also include the MK 19 Upgunned Weapons Station (UGWS) unless otherwise indicated.

PREVENTIVE MAINTENANCE CHECKS AND SERVICES General

The PMCS procedures are contained in the following table. They are arranged in logical sequence requiring a minimum amount of time and motion on the part of the persons performing them and are arranged so that there will be minimum interference between persons performing checks simultaneously on the same end item.

1. Unless otherwise noted, perform PMCS every 90 days to keep the weapon ready for use.

2. If the weapon has not been used for 90 days, PMCS in the operator's manual (TM 9-1010-230-10) should also be performed. If you see rust or other signs of wear on a weapon, the PMCS should be performed immediately.

Explanation of Columns

1. Item No. Column. Checks and services are numbered in disassembly sequence. This column shall be used as a source of numbers for "TM Number" column on DA Form 2404, Equipment Inspection and Maintenance Worksheet, in recording results of PMCS.

2. Interval Column. This column gives the designated interval when each check is to be performed.

3. Man-Hours Column. Man-hours required to complete all prescribed lubrication services to the nearest tenth of an hour.

4. Item To Be Checked Or Serviced Column. This column lists the items to be checked or serviced. Items identified "DTI" indicate detailed technical inspection, to be performed every six months. Also perform every time the gun has been immersed in water or exposed to other extreme conditions, is rusty, or appears extremely dirty or worn.

5. Procedure Column. This column contains a brief description of the procedure by which the check is to be performed. It contains all the information required to accomplish the checks and services. Information marked "SH" indicates a specific equipment shortcoming and the procedure needed to correct the shortcoming.

6. Equipment Not Ready/Available If: Column. This column contains a brief statement of the condition (e.g., malfunction, shortage) that would cause the covered equipment to be less than fully ready to perform its assigned mission.

PMCS PROCEDURES

Inspect all assemblies for missing, broken, or loose parts. Inspect parts for cracks, dents, burrs, excessive wear, rust, or corrosion. Inspect external surfaces for adequate finish. Repair or replace authorized defective parts or notify direct support maintenance if repair is not authorized.

LUBRICATION

Make sure all items are cleaned and lubricated (refer to TM 9-1010-230-10). Do not use lubricants on any composite/rubber components (WP 0082 00). Refinish if necessary using solid film lubricant.

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Responses

  • shawna
    How to perform a dti on a mk19?
    7 years ago

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