LIFT CYLINDER OVER CENTER VALVE ASSEMBLY
EQUIPMENT CONDITIONS: Lift cylinder over center valve assembly removed.
(Refer to TM 5-3810-306-20.)
d. Remove plug (8) from valve (30).
e. Remove disk (13), spring (12) and piston (11)
from plug (8).
Remove and discard retainers (10) and packing
a. Remove regulating valve assembly (3) from
(9) from piston (11).
valve body (2).
g. Remove and discard retainer (7) and packings
b. If necessary, remove fittings (31), (32) and (33)
(5) and (6) from plug (8).
from valve body (2).
h. If necessary, remove vent plug (4) from plug (8).
2. DISASSEMBLE REGULATING VALVE ASSEMBLY
Remove and discard packings (20), (22) and
(24), and retainers (21) and (23) from valve (30).
Internal parts beneath plug (25) are
under spring tension. Remove plug
(25) carefully to prevent parts from
popping out and causing personal
Dry cleaning solvent P-D-680 is toxic
goggles and gloves and use only in a
a. Remove plug (25), from valve (30).
well ventilated area. Avoid contact
b. Remove piston (19), packing (18), spring seats
with skin, eyes, and clothes and do
(15) and (17), spring (16) and spring holder (14) from
not breathe vapors. Do not use near
valve assembly (3). Discard packing (18).
open flame or excessive heat. The
flash point is 100F-138F (38-59C).
c. Remove bolt (29), nuts (27) and (28), and
If you become dizzy while using
packing (26) from plug (25). Discard packing (26).
cleaning solvent, get fresh air