Page 78 - Webster Service Manual

73
INSTALLATION DATA
Compound Gauge
0-30”
Hg
0-100
psi
Check Valve
Discharge Port
1/4”
Pipe Thread
This Port
Never Used
Pressure Adjusting
Screw 1/8” Allen
Head Socket Under
Seal Screw
SPM-135 Models
Preferred Cover Inlet
1/2”
Pipe Thread
Return Port
3/8”
Pipe Thread
Optional
Return Port
1/4”
Pipe
Thread
Inlet Port #2
1/4”
Pipe
Thread
Return Port
1/4”
Pipe
Thread
Inlet Port #1
1/4”
Pipe Thread
Access to 1/8”
Bypass Plug