|
| |
TM 10-4930-247-13&P
5-2.
NOZZLE ASSEMBLY (DI) REPAIR -cont.
a.
Disassembly.
NOTE
To prevent loss of balls and aid assembly, place a suitable container under regulator
opening. Catch all balls as they fall from regulator.
(1)
(Model HTARS101) Remove screw (1, figure 5-1) and attached preformed packing (2) from regulator (4).
(2)
(Model HTARS101) Position regulator (4) so that opening for balls (3) is pointing down.
(3)
(Model HTARS101) Rotate regulator (4) back and forth on body (6) until 39 balls (3) are removed.
(4)
(Model HTARS 101) Remove preformed packing (5) from body (6).
(5)
(Model HTARS101) Position regulator (4) on table with outlet arrow (7) pointing up.
CAUTION
Seal must be cut to be removed. Use care not to damage sealing surfaces of
housing.
(6)
(Model HTARS101) Cut outer seal (1, figure 5-1A) and remove preformed packing (2) from exterior of housing
(25).
WARNING
To prevent injury to personnel and damage to the equipment, make sure outer piston
is held in place securely before removing retaining ring. Two personnel are required
to safely remove the outer piston and internal regulator spring.
(7)
(Model HTARS101) Using a wooden block or handle of mallet, press down on outer piston (7) until piston
unseats from retaining ring (1). Hold piston in position and remove retaining ring. Slowly release pressure and
allow piston to extend.
(8)
(Model HTARS101) Remove outer piston (7), inner piston (6) and spring (8) from housing (25).
(9)
(Model HTARS101) Remove screw (4) and seal (5), then separate inner piston (6) from outer piston (7).
(10) (Model HTARS101) Remove four screws (9) and flat washers (10).
NOTE
To prevent loss of ball, spring and ring, place a suitable container under housing
when removing retainer.
(11) (Model HTARS101 Lift retainer 11) from housing (25) and remove ring (12), ball (13) and spring (14).
(12) (Model HTARS101) Remove preformed packing (15) from housing (25).
5-2 Change 4
|
