Performance_Work_Statement_-_Hydraulic_Lift.docx

PERFORMANCE WORK STATEMENT

(PWS)

Hydraulic Equipment Repair

00-ALC

30 January 2018

POC: 526 EMXS/CLEA

5832 "H" Avenue, Bldg. 843, Bay L Hill AFB, UT 84056-5716

PERFORMANCE-BASED WORK STATEMENT

TABLE OF CONTENTS

SECTION PAGE

1 DESCRIPTION OF SERVICES 3

2 GOVERNMENT FURNISHED PROPERTY AND SERVICES 3

3 GENERAL REQUIREMENTS 3

4 PERFORMANCE STANDARDS 3

5 SPECIFIC REQUIREMENTS 4

6 SUMMARY OF SERVICES 9

7 CERTIFICATION OF WORK 9

8 CHECKOUT AND SURVEILLANCE 9

ATTACHMENT 1 – TECHNICAL ORDERS 10

1. DESCRIPTION OF SERVICES:

1.1. The contractor shall provide all management, tools, supplies, equipment, and labor necessary to perform inspection, teardown, repair, reassembly, and test hydraulic components. The contractor shall follow all procedures outlined by the Appropriate Technical Order listed in attachment 1.

2. GOVERNMENT FURNISHED PROPERTY AND SERVICES:

2.1. GFP will be issued via hand receipt to the contractor for repair when repairs are needed. The contractor shall safeguard all GFP placed into the contractor’s care.

2.2. The contractor shall record and report promptly (within one hour) to the contracting officer or 526 EMXS/MXDBP, all available facts relating to each instance of damage to Government property.

3. GENERAL REQUIREMENTS:

3.1. Assets will be transported to and from the contractor’s facility by the Government (100 miles maximum round trip distance). Contractor is responsible for loading and unloading assets at their facility. The contractor shall return the parts in the original packing provided by the Government. The contractor shall have responsibility to safeguard all Government property provided for inspection, repair, teardown, repair, reassembly and test under contractor control. In the event of damage or loss of designated components through contractor negligence, the contractor shall bear all cost of repairs/replacement to Government designated components. Assessment by 526 EMXS/CLEA and contractor will be performed to determine cause/cost.

3.2. Contractor shall notify 526 EMXS/CLEA for additional repair needed prior to any work being completed if not previously requested. The Government will determine if parts are beyond economical repair.

4. PERFORMANCE STANDARDS:

4.1. The maintenance, inspection, repair, reassembly and test requested shall follow all procedures outlined by Air Force Technical Orders drawings, procedures, and specifications. All parts requiring replacement shall be furnished by contractor and be Original Equipment Manufacturer (OEM) certified parts as agreed by the Government and the contractor.

4.2. The contractor shall ensure through coordination with the Government Representative that Nuclear Weapons Related Material (NWRM) Certified Parts Suitability Policy standards and procedures IAW paragraph 4.3.1 of TO 35D5-3-8-31 (MHU-83) and paragraph 3.2.1 of TO 35D3-2-25-1 (MJ-1) are met in performance of this agreement. (CDRL 0001)

4.3. Contractor shall obtain approval from GR prior to sending items for repair outside the contractor’s facility. All repair inspection, disassembly, reassembly and test cost shall be coordinated with and approved by assigned GR prior to any repair actions.

4.4. Designated components will be tested upon return to Hill AFB to ensure performance standards are met IAW Technical Orders (see attachment 1), if component fails to meet all identified performance standards contractor shall repair/replace at contractor’s expense.

5. SPECIFIC REQUIREMENTS: IAW listed Technical Order requirements

5.1 MHU-83 Bomb Lift Models

5.1.1 Clean, Inspect, and Repair/Replace Lift Cylinder Assembly (MHU-83)

If measured dimensions are acceptable and the Lift Cylinder Assembly is repairable, order repair kit per Illustrated Parts Breakdown (IPB) 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.9.2 and 4.5.9.3.

· Disassemble per TO and Figure 4-23.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect inner surface of cylinder for wear, pitting, scoring, and corrosion. Inspect outer surface of cylinder for condition.

· Inspect piston for wear, pitting, scoring, and corrosion.

· Inspect end plates for wear, pitting, scoring, and corrosion.

· Inspect rod for pitting, wear, corrosion, and thread condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of soft parts.

· Reassemble per TO and Figure 4-23.

· Proof test assembled cylinder to 3,000 PSI before installation.

If measured dimensions are acceptable and the Azimuth Cylinder Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.10.2 and 4.5.10.3.

· Disassemble per TO and Figure 4-24.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect inner surface of cylinder for wear, pitting, scoring, and corrosion. Inspect outer surface of cylinder for condition.

· Inspect plungers for wear, pitting, scoring, and corrosion.

· Inspect end plate and center plate for wear, pitting, scoring, and corrosion.

· Inspect rod for pitting, wear, corrosion, and thread condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of damaged components and soft parts.

· Reassemble per TO and Figure 4-24.

· Proof test assembled cylinder to 4,000 PSI before installation.

If measured dimensions are acceptable and the Steering Cylinder is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.21.2 and 4.5.21.3.

· Disassemble per TO and Figure 4-39.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect cylinder bore for scoring, pitting, or corrosion. Inspect welds for cracks. Inspect threads for stripped or damaged condition.

· Inspect rod for scoring, galling, or wear. Inspect threads for stripped or damaged condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO.

· Coat all parts with hydraulic oil, Type A, ATF, to ease assembly and reduce the possibility of damage to rubber parts.

· After servicing the hydraulic system, check hoses and fittings for evidence of leaking.

· Reassemble per TO and Figure 4-39.

· Proof test assembled cylinder to 1,000 PSI before installation.

If measured dimensions are acceptable and the Outboard Cylinder Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.36.2 and 4.5.36.3.

· Disassemble per TO and Figure 4-57.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect bore of cylinder for wear, scoring, pitting, or corrosion. Inspect outside of body for cracks or other damage.

· Inspect rod and piston for wear, scoring, pitting, or corrosion. Inspect for stripped or damaged threads.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of soft parts.

· Replace defective relief valves with new cartridge.

· Replace all O-rings and gasket.

· Replace stationary seal and rotating seal as a set.

· Reassemble per TO and Figure 4-57.

· Proof test assembled cylinder assembly to 3,000 PSI before installation.

If measured dimensions are acceptable and the Tilt Cylinder Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.3.2 and 4.5.3.3.

· Disassemble per TO and Figure 4-17.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect bore of cylinder for wear, scoring, pitting, or corrosion. Inspect outside of body for cracks or other damage.

· Inspect rod and piston for wear, scoring, pitting, or corrosion. Inspect for stripped or damaged threads.

· Inspect rod end for wear, cracks, or other damage.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of soft parts.

· Reassemble per TO and Figure 4-17.

· Proof test assembled cylinder to 3,000 PSI before installation.

5.1.6 Clean, Inspect, and Repair/Replace Roll Cylinder Assembly (MHU-83)

If measured dimensions are acceptable and the Roll Cylinder Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.4.2 and 4.5.4.3.

· Disassemble per TO and Figure 4-18.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect inner surface of cylinder for wear, pitting, scoring, and corrosion. Inspect outer surface for condition.

· Inspect plunger for wear, pitting, scoring, and corrosion.

· Inspect end plate for wear, pitting, scoring, and corrosion.

· Inspect rod end for wear, pitting, corrosion, and thread condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of soft parts.

· If the cylinder body or plunger is damaged, replace with new parts.

· Reassemble per TO and Figure 4-18.

· Proof test assembled cylinder to 3,000 PSI before installation.

5.1.7 Clean, Inspect, and Repair/Replace Longitudinal Cylinder Assembly (MHU-83)

If measured dimensions are acceptable and the Roll Cylinder Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.5.2 and 4.5.5.3.

· Disassemble per TO and Figure 4-19.

· Clean and inspect per Para. 4.4.2 and the following:

· Inspect inner surface of cylinder for wear, pitting, scoring, and corrosion. Inspect outer surface of cylinder for condition.

· Inspect plunger for wear, pitting, scoring, and condition and threads for condition.

· Inspect end plate for wear, pitting, scoring, and corrosion. Inspect retaining ring for condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of soft parts.

· Reassemble per TO and Figure 4-19.

· Proof test assembled cylinder to 3,000 PSI before installation.

5.1.8 Clean, Inspect and Repair/Replace Hydrostatic Motor Assembly (MHU-83)

If measured dimensions are acceptable and the Hydrostatic Motor Assembly is repairable, order repair kit per IPB 35D5-3-8-34 and repair per TO 35D5-3-8-31 Para. 4.5.16.2 and 4.5.16.3.

· Disassemble per TO and Figure 4-31.

· Clean and inspect per Para. 4.4.2.

· Replace or repair all unserviceable parts with new or serviceable items per TO.

· Replace pistons and sleeves as a matched set.

· Replace defective relief valves with new cartridge.

· Replace all O-rings and gasket. Replace stationary seal (3) and rotating seal (7) as a set.

· Reassemble per TO and Figure 4-31.

· Note: Torque relief valves (9) to 20 ft-lb. Torque manifold (8) mounting screws to 19-21 ft-lb.

5.2 MJ-1 Bomb Lift Models

5.2.1 Clean, Inspect, and Repair/Replace Lift Cylinder Assembly (MJ-1)

If measured dimensions are acceptable and the Lift Cylinder Assembly is repairable, order repair kit per IPB 35D3-2-25-4 and repair per TO 35D3-2-25-1 Para. 3.4.6 and 3.4.7.

· Disassemble per TO and Figure 3-22.

· Clean and inspect per Para. 3.1.3 and the following:

· Inspect inner surface of cylinder for wear, pitting, scoring, and corrosion. Inspect outer surface of cylinder for condition. Inspect weld at ports for cracks. Inspect threads in ports for condition.

· Inspect cylinder rod for bending and condition of threads.

· Inspect plunger for wear, pitting, scoring, and corrosion. Inspect cylinder rod and plunger and attaching parts, spacers, and nut for condition.

· Inspect end plates and retaining rings for condition.

· Replace or repair all unserviceable parts with new or serviceable items per TO; repair is limited to replacement of O-rings and teflon rings, and replacement of worn or damaged cylinder components.

· Reassemble per TO and Figure 3-22.

· Proof test assembled cylinder to 3,000 PSI before installation.

5.2.2 Clean, Inspect, and Repair/Replace Steering Sector (MJ-l)

If measured dimensions are acceptable and the Steering Sector is repairable, order repair kit per IPB 35D3-2-25-4 and repair per TO 35D3-2-25-1 Para. 3.9.3 and 3.9.4.

· Disassemble per TO and Figure 3-34.

· Clean and inspect per Para. 3.1.3 and the following:

· Inspect bearings and races for wear, pitting, or scoring.

· Inspect shafts and valve assembly for scores, nicks, or burrs.

· Inspect bearing and sealing surfaces of Pitman shaft for roughness and nicks.

· Inspect Pitman shaft lash adjusting screw. It must be free to turn with no perceptible end play.

· Replace or repair all unserviceable parts with new or serviceable items per TO.

· Replace rack-piston and worm as a unit.

· Repair minor damage to stub shaft ground surfaces with crocus cloth.

· If the valve spool does not rotate freely without binding, replace the complete valve and shaft assembly.

· Reassemble per TO and Figure 3-34.

· Proof test assembled cylinder to 1,000 PSI before installation.

5.2.3 Clean, Inspect, and Repair/Replace Hydrostatic Motor Assembly (MJ-l)

If measured dimensions are acceptable and the Hydrostatic Motor Assembly is repairable, order repair kit per IPB 35D3-2-25-4 and repair per TO 35D3-2-25-1 Para. 3.6.10 and 3.6.11.

· Disassemble per TO and Figure 4-3.

· Clean and inspect per Para. 3.1.3 and the following:

· Inspect pistons and block bores for wear, cracks, or corrosion.

· Inspect bearings for wear, cracks, or corrosion.

· Inspect springs for cracks or corrosion.

· Replace or repair all unserviceable parts with new or serviceable items per TO.

· Replace pistons and sleeves as a matched set.

· Replace defective relief valves.

· Replace all O-rings, seals, and gaskets. Replace seal shaft as a unit.

· Reassemble per TO and Figure 4-3.

· Note: Torque relief valves (22) to 20 ft-lb. Torque manifold (21) and by-pass valve (9) mounting screws to 19-21 ft-lb.

6. SUMMARY OF SERVICES:

7. CERTIFICATION OF WORK:

7.1 Contractor shall show proof of Original Equipment Manufacturer (OEM) parts installed by listing designated components installed by serial number, and honor standard warranty period.(CDRL A001).

7.2 All assets shall be leak/pressure tested prior to returning, and provide documentation that testing occurred and the result. All tests and checks shall be conducted IAW the appropriate TO listed in attachment 1 (CDRL A002). The contractor shall be liable for faulty repairs for 120 days after Government acceptance.

8. CHECKOUT AND SURVEILLANCE:

8.1 Government personnel, contracting officers and quality assurance personnel may from time to time observe contractor operations. These people may not interfere with contactor performance. The Government reserves the right to conduct site visits to all contractors/vendors operated facilities in conjunction with the PWS.

Attachment 1 – Technical Orders image1.emf