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Here is a Gravity Feed oiler in which rate of oil flow
may be regulated by a needle valve. Sight in stem permits direct observation of
rate at which oil is being fed to bearing.
Needle valve is adjusted by turning knurled screw just
above lock nut; screw operates against a spring ratchet to retain adjustment of
flow rate. Shut-off knob at top of oiler does not affect needle valve
adjustment, and permits positive cut-off of oil flow during idle
periods. |