Cadillac 54-6219 1954 Shop Manual page 69

BODY
Creckhtg I lydraulfc irCmL:d Level in Reservoir
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With top in the raised position
remove the
hydraulic ircitor and pump arsoinninl y shield from
the mar compartment.
2, Remnve the iDler plug frotti tle- pump reser
voir, Fig, 3_95, and check the Humid level
*
using a
suitable dipstick.
3. Fluid level should be 2'' from the top or the
reservoir,
Amid Delco 4i I Brake Fluid to bring to
specified level.
Checking Operation of L sft Cvlisde
1
Retiiovc lic rear cost euahioti end rear quarRer
aide trim
2, Operate rlne folding top contmoi switch andob
serve One operstion of the lift cv!iaciere -Jslmirg tho
''[hr and ''Down'' eyemca.
3. If opcratfon is sluggish or causes bonding of
the top linkage, one of the ryl inders may be ttm
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operative or opet-ating too slowly. This condition
may be caused by either a defectos e cyundcr or
clogged or kinked line. If lift cylinders do not
operate
nr operate sinwiy, the preset' rc at rlnc
pump should be checked.
Checking the Pressure to the Cylitidor
1, Remove time filler plug frann top of t-eservoir.
natal; s stamndard pressure gage between the
port and T'
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ni the hydraulic lines leading
ttom of the cylinders
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Fig. 396.
2, I
pump
to
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Fig. 3-74 checking u,nd Adjothag Hydraulic
RJrnp PIe,nurR
4, W itln the top in
the full up lxaitlon, push
control knob in and hold far a few seconds the
pressure should read between 24U and '230 psi, If
p resau
Ce is
he low him is
Cs imgo,
the pit
nm
is not
delivering the proper pre.ssure or iimcrc
is
fluid
leakage
past
IDe pi.cton un one
or
both cylinders.
5, ConiIcct pressome gage between pump
port
and
''r''
Of lines :-eadi:mg
to top
of cviindsre, With
top''iP'' sod inc ked
,
pull control knob
out
atid
hold fDr a
Dew seconds.
Checkittg mid Adjusting hydra -Lectric Pump
Preestire
i. Install pressure gauge in hydraulic lines
loading
to
tr.e bottom
of the lift cylinders as shown
iti the illustration below
2. Kink tciJi:tg ''A'' atid 'B'
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as shoMn in Rig.
3-Rb, Em sb-.1I off fluid flow to the batte,n
of
ench
cylinder
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3. PosIt control knob ''in'' and hold a few
seconds
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The pressure should he between 240 and 280 psi.
he pressure may be adjusted
as
fniiows Rcninve
filler plug and placo screw driver in positlonon
the
adjusting screw, Fig. 3-97
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Kink hydraulic
tubing ''A'' and ''B''
to ehitr off
fluid flow.
Posh control knob 'Un''.
With
motor operating, adjust pressure rolief
valve
bjr ltwoen 240 end 280
psi by turning ad
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Fig, 3-75 Cbsckiing Hydlaulia Funnp
Reservoir Fluid lavel
a.
Reinstahi filler
plitg
into top of
re:servoJr
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