Section II. HYDRAULIC SYSTEM MAINTENANCE PROCEDURES

TM 10-3930-673-34

Section II.

HYDRAULIC SYSTEM MAINTENANCE PROCEDURES

16-3. TANDEM GEAR PUMP REPAIR

This Task Covers:

a. Disassembly

c. Inspection

b. Cleaning

d. Assembly

INITIAL SETUP

Materials/Parts

Tools and Special Tools

Compound, Sealing (Item 40, Appendix B)

Took Kit, General Mechanic's: Automotive

Compound, Sealing (Item 47, Appendix B)

Grease (Item 18, Appendix B)

Wrench, Torque, 0 - 175 lb-ft (0 - 237 Nm)

Oil, Lubricating Hydraulic

Seal Removal Tool - Fabricated Tool

Rags, Lint-free (Item 34, Appendix B)

Seal

Equipment Condition

Seal

Tandem gear pump removed

Seal

(TM 10-3930-673-20)

Seal (2)

Seal

Seal (2)

Seal

a. Disassembly.

CAUTION

Prying notches are provided between the pump sections. If prying off sections becomes

necessary, take extreme care not to mar or damage machined surfaces. Excessive force

while prying can result in misalignment and damaged parts.

(1)

Place pump in a vise with soft jaws and drive shaft pointing down. Mark all sections to

be used for alignment at assembly.

16-7