M978 Tanker Maintenance Procedures Instructions (Cont)
22-22. V18 BULK DELIVERY VALVE REPAIR (CONT).
Remove two nuts (6) and screws (7) from upper housing
(8) and lower housing (9).
Remove upper housing (8) and lower housing (9) from
body and liner (10).
Preformed packing and stem may stay in body during removal.
Remove preformed packing (11) from stem (5).
Remove stem (12) from lower housing (9).
Remove preformed packing (13) from stem (12).
Adhesives, solvents, and sealing compounds can burn easily, can give off
harmful vapors, and are harmful to skin and clothing. To avoid injury or
death, keep away from open fire and use in well-ventilated area. If adhesive,
solvent, or sealing compound gets on skin or clothing, wash immediately with
soap and water.
Clean all metal parts with dry cleaning solvent.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use
only with effective chip guarding and personal protective equipment, goggles,
shield, and gloves.
Dry metal parts with compressed air.
Inspect all metal parts for bends, breaks, cracks, and sharp edges.
Replace damaged parts.
Body and liner disk must be in open position for proper installation of valve and to
prevent equipment damage.
There are two models of V18 bulk delivery valve. Assembly is the same for both.
Move disk (1) in body liner (2) to open position.