removed from the drain valve head (11, Figure 7-11) unless replacement is necessary.
Remove drain valve mounting clamp (22, Figure 7-1) from drain valve (23).
Unscrew and remove drain valve bowl (1, Figure 7-11). Unscrew and remove unit (2) from
bowl (1). Remove valve (3), valve cylinder (4) and O-Ring (5) from bowl(l).
Element (7) does not need to be in the drain valve for the valve to function properly.
Unscrew and remove stud (6) and element (if present) (7). Remove louver (8), gasket (9)
and O-ring (10) from the drain valve head (11).
Cleaning. To clean the drain valve, proceed as follows.
Clean all parts with soap and warm water.
Air dry parts, blow out passages in valve head, (11) with low pressure clear dry compressed air.
Inspection. Refer to paragraph 6-2. c. for general inspection requirements.
Repair or Replacement Refer to paragraph 6-2.d general repair or replacement rerequirements
Assembly. To assemble the drain valve assembly, proceed as follows-
Place element (7, Figure 7-11) (if present) on stud (6), louver (8) and gasket (9) onto stud (6).
Screw stud (6) into drain valve head (11).
Place Oring (5) onto valve cylinder (4). Insert valve cylinder into bowl (1), secure to bowl with connector (2).
Tighten connector nut (2) to 5 to 8 lbs. in.
During assembly, make sure that the valve (3) lip is turned down when valve is inserted into bowl.
Insert valve (3) into bowl (1). Insure that the lip in the valve is turned down.
Do not scratch bowl inside surface when turning lip down.