REPAIR TOW POINT FLOW CONTROL VALVE - Continued.
Use bench vise, as required, to
support tow point flow valve during
INSTALL PREFORMED PACKINGS AND
PACKING RETAINERS ON SLEEVE.
New seals and packings are distorted
during installation. Use care during
installation to prevent damage to
seals, preformed packings, and seal
grooves. Bypass leakage can result
from poor installation.
Lubricate preformed packings (20, 23, 25, and
26) and packing retainers (21, 22, 24, and 27)
Install packing retainer (27) and preformed
packings (26 and 25) on sleeve (14).
Install packing retainer (24), preformed packing
preformed packing (20) on sleeve (14).
ASSEMBLE FLOW ADJUSTMENT ASSEMBLY.
Lubricate all preformed packings and packing
retainers with petrolatum.
Install preformed packing (19) and packing
retainer (18) on stem (15).
Be careful not to damage preformed
packing when sliding over threads.
Sharp edges of thread can cut or
Install preformed packing (17) onto plug (16).
Install stem (15) into plug (16).
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