PS Magazine - APRIL 1974
PS, The Preventative Maintenance Monthly
ISSUE 257
APRIL 1974
At a Trafc light, green meaNs
GO,
Hut your
l5±1
SherIda± I² ±ot a tr³FC
Light.
´he green "readYµ LiGhT
¶
o± the GU±-
±er'· or Loader¸²
co±troL
Hox
sho¹ºD
that YoU're
Look at or feel the safe-
to±Fre indicator rod end. It
must be witHin tHe operating
range, neitHer sunk into the
stePPed BusHing {HigH Pres²
sUre) nor PusHed PaSt tHe end
of tHe BusHing (low PresSUre).
If PresSure is too low, Bui³d
´t uP witH a few strokes of tHe
Hand reP³eniSHer PumP Hand³eµ
If it's too HigH, re³ief of Pres¶
sure sHou³d be automatic. If
.±-²³=´ µµµ¶·
tHe relief va³ve does not work·
oPen tHe Pressure Bleed va³ve
just a litt³e unti³ you ge¸ tHe
indicator rod in oPerating
raNGe¹
´he rea²on You »ho¼Ld½¾t takE ¿Àe evIÁ
De±Âe oà the gree½ RÄAÅÆ LÇÈÀt ÉLo½e Ç·
that it Âa± be bUÊË±È whe½ tÀe ·ÉÃeÌtoÌÍre
αÏiÂaTor shows thaT ÍrË±È co¼Ðd Be ÑɽÒ
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