TM 5-3895-371-24&P
Section XXIX. MAINTENANCE OF CONTROL VALVE
2-33. Control Valve.
a.
Removal. (Refer to fig. 2-38.)
(1)
Remove asphalt pump. (Refer to para 3-7.)
(2)
Remove filling line (17, fig. 2-38), gaskets (18) and vacu-flo valve (16).
(3)
Remove vacu-flo linkage (15) by removing four capscrews.
(4)
Remove cotter pin from rod (8) and remove from lever (6).
(5)
Loosen set screw and nut (7) on lever (6) and remove lever.
(6)
Remove six capscrews (10) and washers (11) from housing (5) and remove housing.
(7)
Remove two capscrews and remove cover (25).
(8)
Remove nuts securing valve (12) to tank and remove.
(9) Remove gasket (26).
(10) Unscrew vent pipe (24) from valve (12).
(11)
Remove six capscrews (23), nuts (20), and separate vent pipe (24), from flanged pipe
(21) and remove gasket (22).
b.
Installation. (Refer to fig. 238.)
(1) Screw flanged pipe (21) into valve (12).
(2)
Install new gasket (26) and add sealer to gasket surfaces.
(3)
Raise valve (12) into place and secure with one nut and washer and twelve capscrews,
nuts and washers.
(4)
Install gasket (22) onto flanged pipe (21) and place vent pipe (24) on to gasket (22),
aline holes and install capscrews (23) and nuts (20).
(5)
Install cover (25) and secure with two, capscrews.
(6) Install housing (5) and secure with six capscrews.
(7)
Install lever (6) and tighten set screw and nut (7).
(8)
Install rod (8) and cotter pin.
(9)
Install filling line (17) with gasket (18) and vacu-flo valve (16).
(10) Install vacu-flo valve linkage (15) and secure with four capscrews.
(11)
Install asphalt pump. (See para 3-7.)
2-86
