Page 22 - Webster Service Manual

17
M-SERIES FUEL UNIT-CODE ANALYSIS
A— M = Single Stage
2
M= Two Stage
B— 17 = 1725 RPM
34
= 3450 RPM
C— C = CCW rotation, outlet left
D = CW rotation, outlet right
(
as viewed from shaft end)
D— A = Key drive, face seal, old style porting
B = Std., face seal, old style porting
C = Special, face seal, old style porting
D = Std. lip seal, old style porting
E = Special, lip seal, old style porting
F = Same as D except revised porting
G = Same as E except revised porting
H = Same as F except o-ring on pressure
adjusting screw
J = Same as H except revised internal porting
K = Same as J except revised porting and bleed
valve location
L = Same as K except revised porting and
bleed valve location
M = BIO Pump
N = Waste Oil Pump
E— 3 = 3gph max. recommended fire size
6
= 6gph max. recommended fire size
15
= 15gph max. recommended fire size
M = Metering Pump
F— No *=unit set 1 pipe
(
bypass plug not installed)
*
=Unit set 2 pipe
(
bypass plug installed)