4-9. HYDRAULIC RESERVOIR MAINTENANCE
This task covers repair of hydraulic reservoir. General support repair procedures
for hydraulic reservoir consist of cleaning, inspection to determine if hydraulic
reservoir can be economically repaired, pressure testing, and repair consisting of
welding to seal all holes found during pressure testing, application of rust inhibi-
tor to interior of hydraulic reservoir, and painting exterior of hydraulic reser-
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Socket wrench set, 3/8 inch drive
Scratch wire brush
Hand hammer, 12 pounds
Automotive Mechanic-s Tool Kit
Putty knife, 1-1/4 inches blade
Shop Welding Equipment
Wood block, 2 by 4 by 6 inches
Wood blocks, two, 6 by 6 by 12 inches
Wood blocks, two, 1 by 2 by 6 inches
Hose, 2 inches inside diameter, 12 inches long (SAE100R4)
Hose, 1-1/4 inches inside diameter, 12 inches long (SAE100R3)
Hose clamp (FSCM 10988 PN 214-258)
Hose clap (FSCM 66295 PN RTT48)
Pipe plug, 1-1/4-11 NPT
Air hose fitting or adapter, 1/4 NPT
MATERIALS/PARTS: Cleaning solvent P-D-680 (Appendix C, item 2)
Wrapping paper (Appendix C, item 21)
Paint (Appendix C, item 22)
Pressure sensitive tape (Appendix C, item 39)
Rust inhibitor (Appendix C, item 40)
PRELIMINARY PROCEDURE: Hydraulic reservoir removed (page 3-752).
CLEANING (SHEET 1 OF 3)
a. Remove fill cap (1) with O-ring (2) installed.
b. Remove six capscrews (3). Remove cover (4) and gasket (5).
c. Remove sight gage (6) and drain plug (7).