TM9-4120-402-14
5-27. SERVICE VALVES. - continued
a.
Inspect.
Inspect service valve(s) (1) body and threads for visible signs of damage. Replace if damaged.
b.
Replace.
(1)
Remove screw (2), lock washer (3), and flat washer (4).
(2)
Remove clamp(s) (5) and cap(s) (6).
(3)
Secure valve (1) from turning and loosen nut (7). Remove valve.
(4)
Position service valve (1) in unit with threaded connection end facing out.
(5)
Secure valve body to prevent it from turning and tighten nut (7).
(6)
Place clamp(s) (5) onto valve(s) (1) and secure in place with cap(s) (6) chains using screw (2), lock
washer (3), and flat washer (4).
NOTE
FOLLOW-ON MAINTENANCE:
This task covers:
Replace
INITIAL SETUP
Tools
Equipment Condition
Refrigeration Unit Service Tool Kit
Materials/Parts
Lock Washers (2)
Replace.
(1)
(2)
Remove nut (1). Pull data plate (2) and coil (3) off valve body stem (4).
5-69