Toto CST474CEF - Maintenance Instructions; Fill Valve Replacement; Water Level Adjustment

7
ENGLISH
Water Level Adjustment
Depending on the manufacturing plant, you may have one of two of the following fill
valves:
5ZQF"
Type B
8BUFS-FWFM
For Type A and C Fill Valve:
3FGFSUPUIFXBUFSMFWFM8-TFUUJOHNBSLFE
POUIFJOOFSXBMMPGUIFUBOL"MMPXUIFXB-
UFSUPmMMUIFUBOL5VSOUIFBEKVTUNFOUTDSFX
DMPDLXJTFJOUIFEJSFDUJPOUPJODSFBTFUIF
XBUFSMFWFMIFJHIUTFF*MMVTUSBUJPO5VSO
UIFBEKVTUNFOUTDSFXDPVOUFSDMPDLXJTFJO
UIFEJSFDUJPOUPEFDSFBTFUIFXBUFSMFWFM
IFJHIU'MVTIUIFUPJMFUUPWFSJGZUIFDPSSFDU
XBUFSMFWFM"EKVTUBTOFDFTTBSZ
For Type B Fill Valve:
5IFSFBSFOPXBUFSMFWFMBEKVTUNFOUT5IF
fill valve has been preset at the factory.
Top of
0WFSnPX
Tube
Water
-FWFM
Ill. 1
Type C
$POOFDUXBUFSTVQQMZUPmMMWBMWFTIBOLBOEIBOEUJHIUFOPOMZ
NO TE: Do not overtighten. These are plastic parts. Never use pipe dope on any
water supply connection.
"UUBDISFmMMUVCFUPmMMWBMWFOJQQMFBOEDMJQPUIFSFOEPGSFmMMUVCFUPUIFPWFSnPX
pipe.
5VSOXBUFSTVQQMZ0/BOEDIFDLGPSMFBLTPVUTJEFUIFUBOL
NO TE:"TXBUFSmMMTUIFUBOLXBUFSJTBMTPEJSFDUFEJOUPUIFPWFSnPXUVCFWJBUIF
SFmMMUVCF5IJTBEEJUJPOBMnPXPGXBUFSJTDSJUJDBMUPSFmMMJOHZPVSUPJMFUTCPXM
Once the water stops filling the tank, some residual drops of water may drip
GSPNUIFmMMWBMWF5IJTJT/03."-BTUIFTFESPQTXJMMTVCTJEF
MAINTENANCE INSTRUCTIONS
Fill Valve Replacement Procedure
4IVUPGGUIFXBUFSTVQQMZUPUIFUPJMFU
'MVTIUPJMFUBOESFNPWFSFNBJOJOHXBUFSGSPNUBOLXJUIBTQPOHF
3FNPWFUIFXBUFSTVQQMZDPOOFDUJPOBUUIFmMMWBMWF
3FNPWFPMEmMMWBMWFBOEVTFEBNQTQPOHFUPDMFBOIPMFJOUBOL
1MBDFOFXmMMWBMWFJOTJEFUBOLIPMF
5ISFBENPVOUJOHOVUPOUPmMMWBMWFTIBOLBOEUJHIUFOUIFOVU
NO TE: Do not over-tighten. Be sure to install fill valve in a position that does not
interfere with the trip lever operation.