Humboldt HM-4187A De-Airing Tank - Manual (Page 6)

4
AUXILIARY AIR PRESSU
RE
AU
XI
LI
AR
Y V
AC
U
U
M
AIR
PRESSURE
VACUUM
FILL
DRAIN
DE-AIRED WATER
OFF
PO
INT
THE
KNO
B
TO THE
RIGHT
TO
APPLY
PRESSURE
TO
TH
E
DE-AIRING
TANK
ROTATE TH
E KNOB
CL
O
CK
W
IS
E T
O
INCRE
ASE PRESSUR
E
TO
THE
D
E-AIRING
TAN
K & TO
THE
AU
XI
LI
AR
Y A
IR
CONNE
CTOR
FIGURE 3
RE
GUL
AT
IN
G
A
U
XIL
IA
R
Y
AI
R
PR
ESSU
RE