way control valve as follows:
(b) Remove inlet plate (3) by removing
(a) Install spring (15) and plunger (17) into
valve body (19).
marker tag (18).
(b) Install new packing (11) on plungers (12
(c) Remove and discard packing (6).
and 13) and install spring (10) and plungers (12
Remove spacer (7), springs (8) and valve
and 13) into valve body (19).
disks (9) from valve body (19).
(c) Holding plungers and springs install lever
(d) Remove pin (14) from valve body (19).
(16) into valve body and secure with pin (14).
(d) Install valve discs (9), springs (8) and
spacer (7) into valve body.
(e) Install new packing (6) and install inlet
Be sure to maintain pressure on
lever (16) while removing pin (14).
(4). Install marker tag (18) under screw (4) and
(e) Slowly remove lever (16) and plungers
(f) Install instruction plate (2) and secure
(12 and 13). Remove springs (10).
with screws (1).
(f) Remove and discard packing (11) from
(2) Refer to figure 18-1 and install the three
plungers (12 and 13).
way control valve.
(g) Remove plunger (17) and spring (15)
from valve body (19).
18-23. Park Release Control Valve
b. Cleaning, Inspection and Repair.
(1) Clean all parts of the three way control
a. Removal and Disassemble.
valve with cleaning solvent (Fed. Spec. P-D-
(1) Refer to TM 5-3810-295-12 and remove
680 or equivalent) and dry thoroughly.
the park release control valve as instructed.
(2) Inspect all parts for cracks, breaks or
(2) Refer to figure 18-13 and disassemble the
Repair or replace as
park release control valve as follows:
(a) Remove pin (1) from knob (2) and
(3) Inspect all fittings and hardware for
stripped or damaged threads. Replace as
c. Reassembly and Installation.
(1) Refer to figure 18-12 and reassemble