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TM 10-4930-247-13&P
5-2. NOZZLE ASSEMBLY (D1) REPAIR - cont.
(43)
(Model HTARS 101). Apply two drops of sealing coumpound to screw (4). Secure inner piston (6) to outer
piston (7) with screw (4) and seal (5). Torque screw 18 to 20 inch pounds.
(44)
(Model HTARS101) Place housing (25) on work table with outlet arrow pointing up. Insert spring (8) and
assembled pistons (6 and 7) in housing (25).
WARNING
To prevent injury to personnel and damage to the equipment, make sure outer
piston is held securely down when compressing spring. Two personnel are
required to safely install the retaining ring.
(45)
(Model HTARS101) Using a wooden block or handle of mallet, press down on outer piston (7) until top of
piston clears retaining ring groove in housing (25). Hold piston in position and install retaining ring. Slowly
release pressure and allow piston to extend.
(46)
(Model HTARS101) Inset preformed packing (2) in seal (1). Install assembled components in packing
groove on exterior of housing (25).
5-8.2 Change 4
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