M978 Tanker Maintenance Procedure Instructions (Cont)
Body and liner disk must be in open position to allow proper
installation of valve parts and prevent equipment damage.
There are two models of V3 Suction Line Valve and
V17 Gravity Valve. Assembly is the same for both.
Move disk (1) to open position.
Install preformed packing (2) on lower stem (3).
Lubricate stem (3) and install in lower housing (4).
Install lower housing (4) on body and liner (5).
Install preformed packing (6) on upper stem (7).
Stem in upper housing is installed in hole
stamped T on body liner.
Install upper housing (8) on body and liner (5).
Install two screws (9) and nuts (10) in upper
housing (8) and lower housing (4).
Install washer (11), handle (12), washer (13), and screw (14) on stem (6).
d. Follow-on Maintenance. None.
END OF TASK