5
Where Gauge contains little or no fl uid, Blow-Over Seals may, in fi lling, pre-
vent fl ow of fl uid from one leg to the other. When this happens, fi ll left hand leg
(through Valve (10) opening) approximately to Fill Line on Scale. Install Valve and
close both Valves. Invert Gauge and rap sharply with palm of hand. Slowly turn
Gauge upright and loosen both Valves. Fluid should now fl ow from one leg to the
other. If not, close both Valves and repeat previous steps. Then remove Valve (10),
loosen Valve (11), and add suffi cient Bacharach Fluid, 0017-0025, to raise Fluid
level in both legs to Fill Line on Scale.
PARTS REPLACEMENT
(Figure 3)
Valve (10-11) may be screwed out of top assembly for replacement without dis-
mantling top assembly. To remove Front Back Covers (21-24) at both top and
bottom of Gauge, remove Screws (19-25); press Retaining Rings (20-26) out of
retaining grooves and lift off Covers. This will permit replacement of Body (27),
Check Valve Balls (23-23, Manometer 0017-7013 contains only one ball at bottom
of right hand liquid column) and Grommet Tube (28) assembly.
CAUTION
Be sure to close Valves fi rmly before packing or transporting Gauge.
