Loosen screw holding suppressor bracket to base (Fig. 2). Move bracket so that suppressor spring just touches the flapper lever. Tighten screw, taking care not to move bracket.
NOISE SUPPRESSOR This adjustment is applicable to only the PP905B or to converted units.
REPAIR. not to disturb the setting of the nut on the pivot assembly. Remove the three screws (4-40 x 1/4) holding the valve assembly to the base, The valve unit will lift off. The valve unit is available as a complete assembly for repair purposes.
REPLACEME Unscrew the cap from the pivot assembly, then lift off the T.R. indicator. Remove the pivot assembly, making certain
PARTS AND ACCESSORIES Parts available are listed on Figures 2 through 4. _.-
SCREW #6-32 X l/2 PAN HD RECESSED
GAp\i p- SCREW#E-32 X 3/4
SCREW
0
PAN HD RECESSED
KNOB
SCREW
t?-1,.
A-----“““”
// //
/
/ if+ LEVER /
/ f
SCREW #IO-32 X -?/I6 ACORN WASHER HEAD SCREW #E-32 X 3!8 p THREAD FORMING PAN HD
14000735-007 TUBE 14003562-001 UNION
*VALVE ASSEMBLY 14003349-001 FOR PP905B SEE FIG 4
VALVE ASSEMBiY 314755C -FOR PP905A SEE FIG 3
POST
iii-
314848 DIAPHRAGM
@J*
SPACER
@o-
SEAL
CD-
311472 “0”RlNG RING SCREW, #6-32 X 114 THREAD FORMING (4) PAN HD.
314670 DIAPHRAGM
314857A
PLATE ASSEMBLY
CrDFW Y *-79 Y I13 &+-PAN HD RECESSED .,“I\L.,
SCREW #E32 X3/8 THREAD FORMING PAN HD. (6)
TrY
YC
II
.I
-
N-_ BRACKET 0
- 3 1 4 9 8 9
CONNECTOR,TUBE
*VALVE ASSEMBLY 14003349-001 MAY BE USED IN PLACE OF 314755C TO CONVERT PP905A TO PP905E NOISE SUPPRESSOR SPRING, BRACKET, AND TWO SCREWS ALSO ARE REQUIRED WHEN CONVERTING. 5363-i
Fig. 2. PP905A and B Exploded View. 75-5537
2
x “4
BRACKET
SCREW #4-40 X 9/16 PAN HD. RECESSED (2) 314757A MANIFOLD A iSSEMEiLY
313981 FILTER (2) I
314180 SCREEN (21
FILTER ASSEMBLY CONSISTS OF: 315504 PLATE SCREW #4-40 X 7/l 6 (2) 315301 FILTER SCREW #4-40 X l/4 312663 GASKET PAN HD RECESSED 314501 3~2~~4 314758 @C?VE