PS Magazine - TB 43-PS-547

PS Magazine - TB 43-PS-547 - Page 34 of 51

M157·Series Smoke GeneRatoRs .

M157

smoke repairmen often overdo it with the Fg oil pressuRE relief

valve. When they can't get enough Fg oil pressure, they keep adjusting

the valve. ±ventually, they max out the valve² which makes it impossible

to increase the Fg oil pressure and can damage the valve.

,-±²³´.

You should be able to see at least one

At leasT one thread sHowiNg?

th³ad on the relief valve stem with the

jam nut installed. If not, either the valveS

adjusted wrong or it´s a bad valve.

µ¶ you don´t have ·irly constant Fg oil pressure

¶¸om week to week² air is probably in the system.

HereS how to get it out:

±.

Disconnect one Fg oil supply hose at the flare

¶itting on the Fg oil pump assembly ball valve Fr

the

M²57³2

or the Fg oil pump quick disconnect

klN

bracket Fr the

M157´

Tutorials