American Standard T028.50X To Gain Access To Valve For Servicing, Valve Leaks When Shut Off

4 TO GAIN ACCESS TO VALVE FOR SERVICING

Pull INDEX CAP, unscrew HANDLE SCREW and pull HANDLE off valve stem.

Remove two SCREWS holding ESCUTCHEON and remove ESCUTCHEON.

Remove COVER by pulling straight out.

Shut off water supply by either closing off main water supply, or closing off the hot and cold CHECK STOPS on valve.

VALVE LEAKS WHEN SHUT OFF

Remove CARTRIDGE (1) by removing CARTRIDGE SCREWS (2). Remove three SCREWS (3) from FIXATION RING (4) and pull out PRESSURE BALANCING (5) unit.

Clean SEALS (9) on base of CARTRIDGE (1). Check base of PRESSURE BALANCING UNIT (5) and clean O-RINGS (6). Remove CAPS (7) and check O-RINGS on inside of CAPS (7). Clean inside sealing surfaces of VALVE BODY (8).

Re-assemble PRESSURE BALANCING UNIT (5) and CARTRIDGE (1). Tighten all screws.

Turn on water supply and see above for installing TRIM and HANDLE.

UNABLE TO MAINTAIN CONSTANT TEMPERATURE

Remove PRESSURE BALANCE UNIT (5).

Remove CAPS (7) and clean valve thoroughly.

Examine balancing unit and check condition of O-ring on end of piston. Piston should move back and forth. Order Repair Part M952100-0070A if balancing unit is defective.

Replace CAPS (7) and install PRESSURE BALANCE UNIT (5). Make sure inlets line up with two holes in bottom of casting. Top flange should butt-up against top of casting.

BACK TO BACK INSTALLATION

Remove PRESSURE BALANCE UNIT (5). Rotate PRESSURE BALANCE UNIT (5) 180˚ so that the inlets face up and the large outlet port faces down.

Push PRESSURE BALANCE UNIT (5) in casting make sure inlets line up with holes in bottom of casting. Top flange should butt up against top of casting.

Reassemble FIXATION RING (4) and CARTRIDGE (1).

6

4

		1	LARGE OUTLET
8	7		5
	5	3	INLETS
			2
		9

ROTATE 180˚

BACK TO BACK INSTALLATION

5 CARE INSTRUCTIONS:

DO: SIMPLY RINSE THE PRODUCT CLEAN WITH CLEAR WATER. DRY WITH A SOFT COTTON FLANNEL CLOTH.

DO NOT: DO NOT CLEAN THE PRODUCT WITH SOAPS, ACID, POLISH, ABRASIVES, HARSH CLEANERS, OR A CLOTH WITH A COARSE SURFACE.

M968834 REV 1 . 3