TM 55-1930-209-14&P-6
Table 3-2. Shore Discharge System Valves
Figures
3-6 thru
3-9
Label Identification
Type
Callout
Location
and Valve Function
4-in. gate
SD1
In supply line to
DRINKING WATER SUPPLY: Allows
shore discharge
drinking water to flow to valve SD2
winch reel
4-in. gate
SD2
In supply line to
PIG LAUNCHER: Allows drinking water to
shore discharge
flow to discharge hose when valve SD1 is
winch reel
open. Allows PIG to move to discharge
hose when valve SD1 is closed and
compressed air moves PIG
Ball valve
SD3
On starboard side of
HOSE REEL WINCH HAND BRAKE: Allows
winch reel
reel to be manually stopped by using
handpump to engage band brake
Ball valve
SD4
On port side of winch
HOSE REEL WINCH HAND ROTATION:
reel
Allows internal disc brake to be bypassed
by using handpump to release brake
Ball valve
SD5
On levelwind
LEVELWIND: Controls hydraulic fluid to
Barges
hydraulic motor
levelwind drive motor to allow levelwind to
2 and 3)
operate under hydraulic power or to
freewheel
d.
Make sure winch band brake on starboard side of winch is set. If not, set as follows:
(1)
Open valve SD3 (Figure 3-8).
(2)
Obtain band brake pump handle from stowed position and insert in pump extension.
WARNING
While pumping, do not exceed 4,000 psi as shown on BAND BRAKE PRESSURE GAUGE.
(3)
Pump until band brake piston enters cylinder and band is tight on the brake drum.
(4)
Position valve SD3 in neutral position (midway between OPEN and CLOSE position) to lock the cylinder in
the set position.
(5)
Remove pump handle and return to stowed position.
e.
Perform the following as appropriate:
(1)
On Barge 1:
(a)
Make sure valve SD4 (Figure 3-7) is in ON position.
(b)
Make sure that winch control and levelwind control levers (Figure 3-1) are in middle (neutral)
position.
(2)
On Barges 2 and 3:
(a)
Make sure valve SD4 (Figure 3-7) is in ON position.
(b)
Make sure valve SD5 (Figure 3-9) is in OFF position to allow freewheeling of levelwind hydraulic
drive motor.
(c)
Make sure that winch hose control and levelwind control levers are in neutral position.
(d)
Make sure disc brake lever is in ON position.
3-12
