2-37.1. WATER MANIFOLD ASSEMBLY (CONT)
Ball valve crank (31) and anchor
bracket (27) must be exactly in line.
The air actuator must not be slanted
or cocked with relation to the plane
Check clearance after piping the machine.
Maintain 1/16" ±1/32" clearance between the open and
closed crank stop (30) positions to prevent valve stem
damage when closed and ball overtravel when opened.
Overtravel will cause the valve to
throttle the flow of incoming water.
This has a detrimental effect on valve
life and also increases filling time.
To adjust both the alignment and clearance,
loosen the anchor bracket (27) and perform the following
Rotate the anchor bracket (27) around the
pipe (2) to adjust alignment.
Slide the anchor bracket (27) up or down
the pipe (2) to adjust clearance.
Adjust the needle valve (32) (if equipped) to
slow the opening and closing of the air actuated ball
valve assembly. One quarter to one half turn is normal.
assemblies close at the same speed.
Water heater installed (TM 10-3510-209-10).
Change 1 2-134.7/(2-134.8 blank)