p27 (19)

1941 and LAT ER DIAGRAM

OIL INPUT Fronr. Tank

CHECK VALVE" To Prevenf Lcakoge Whsn Engine ls Noł Running. Opens Undsr Abouł l*Ł Lb$. Pressure.

ROTOR -Cut-away 1^ Side View_;,

"CHECK VALVE^v To Prevenł Lcakoge When Engine ls Not Running. Opcns Undcr Abouł I¹* Lbs. Pressure.

i 'CENTRIFUGAL VAIVE' — By -passes oil ał ■’ Iow and intermediołc speeds--and tHus ał lower [j speeds Imiłs ło km poundage the pressure on oil \ ło Crank Pin.

As łłne valve doses tighter ał high speeds, pressure } aradualły bulds up ło poundage ał whieb the • ; 'TRESSURE REGULATING VALVE' is set ło open* and by - pass.

IWff ,w.r.7.t a

•'    • V : ‘ \\    "

ADJUSTING SCREW

Normal Sełłing ; 3/8 inch be Iow łop of Pump Body

PRESSURE REGULATING VALVE' Spring Adjuslment Dełcrmines Pressure Ał Which By-Passing Occurs Ał Hi^ł Engine Speed.

> (Abouł 35 IJbs.)

t.......

By-Pass Oli Dircct To Tłmmg Gcar Case.

OIL UNDER PRESSURE TO *.’■ CRANK PIN-- Pressure Dcpends On ■} Engine Speed And Sełtmg Of k "PRESSURE REGULATING VALVE"

* • • • , • •• • •••

ruus. 18

SCHEMATIC DIAGRAM—1941 AND LATER SIDE BY SIDE VALVE "V" TYPE ENGINE OIL FEED PUMP