TM 9-2320-366-20-5
19-21. M1089 HYDRAULIC TANK RETURN VALVE REPLACEMENT/REPAIR (CONT)
b. Disassembly.
(1) Place tee (1) in vise with valve (2) down.
NOTE
Note position of valve, tee and 90-degree
fitting prior to disassembly.
(2) Remove adapter (3) from valve (2).
(3) Remove valve (2) from tee (1).
(4) Remove 90-degree fitting (4) from adapter (5).
(5) Remove adapter (5) from tee (1).
(6) Remove adapter (6) from tee (1).
(7) Remove tee (1) from vise.
c. Cleaning/Inspection.
WARNING
Dry Cleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use
only in well ventilated area; avoid contact with skin, eyes, and clothes, and do not breathe vapors.
Keep away from heat or flame. Never smoke when using solvent; the flashpoint for Type I Dry
Cleaning Solvent is 100F (38C) and for Type II is 130F (50C). Failure to comply may result in
serious injury or death to personnel.
If personnel become dizzy while using Dry Cleaning Solvent, immediately get fresh air and medical
help. If Dry Cleaning Solvent contacts skin or clothes, flush with cold water. If Dry Cleaning
Solvent contacts eyes, immediately flush eyes with water and get immediate medical attention.
Failure to comply may result in injury to personnel.
(1) Clean threads of three adapters, fitting and tee.
19-116
