PIPING AND VENT ASSEMBLY REPLACE (CONT).
Ensure there is no pressure existing on
pump assembly and all fluid is properly
drained before attempting to replace the
piping and vent assembly.
Remove crossover vent valve assembly (1) as follows:
Loosen 1/2-inch pipe union (2).
Remove eight bolts (3), nuts (4), and two gaskets
(5) from the two 1/2-inch flanges (6).
Remove crossover vent assembly (1) from pump
Remove combined vent pipe (8) as follows:
Loosen two 1/2-inch pipe unions (9).
Remove bolt (10) and clamp (11).
Remove combined vent pipe (8) from pump (7).