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FOLDING TOP
13-31
a. Check connection of motor ground wire to
body metal. (See Figs. 13-59 and 13-60).
b. Connect a #12 jumper wire from battery
positive pole to motor lead terminal that
connects to green switch-to-motor wire.
The motor should operate to lower top.
c. Connect jumper wire to motor lead ter-
minal that connects to red switch-to-motor
wire. The motor should operate to raise
top.
d. If motor fails to operate on either or both
of these checks, it should be repaired or
replaced.
e. If motor operates with jumper wire but will
not operate from switch-to-motor wires,
the trouble may be caused by reduced
current resulting from damaged wiring or
poor connections.
HYDRAULIC CHECKING PROCEDURE
Failures in the hydraulic system can be caused by
lack of hydraulic fluid, leaks in hydraulic system,
obstructions or kinks in hydraulic hoses or faulty
operation of a cylinder or pump.
1. Checking Hydraulic Fluid Level in Reservoir.
a. Operate top to raised position.
b. On "A" body styles, at rear compartment,
remove pump and motor shield.
c. On "B, C & F" body styles perform the
following operations:
(1) Detach front edge of folding top com-
partment bag from rear seat back panel.
(2) Remove clips securing hydraulic hose
to rear seat back panel.
(3) Disengage pump attaching grommets
from compartment pan brace.
d. Place absorbent rags below reservoir at
filler plug.
e. With a straight-bladed screwdriver, re-
move filler plug.
Fluid level should be
within 1/4 inch of lower edge of filler
plug hole.
f. If fluid is low, add Delco #11 Hydraulic
Fluid (GM Hydraulic Brake Fluid Super
Fig. 13-69—Checking Pump Pressure
#11 or its equivalent) to bring to specified
level.
See
"Filling
of
Hydro-Lectric
Reservoir''.
g. Install filler plug.
h. On "A" body styles, install pump and
motor shield.
i. On "B, C & F" body styles install motor
and pump assembly and all previously re-
moved parts.
2. Checking Operation of Lift Cylinders.
a. On all styles remove rear seat cushion and
folding top compartment side panel assem-
blies. On "B, C & F" body styles remove
rear seat back. On "F" Body Styles only,
remove the body lock pillar to main hinge
support extension brace.
b. Operate folding top control switch and ob-
serve l i f t
cylinders during "up" and
"down" cycles for these conditions:
(1) If movement of cylinder is uncoordi-
nated or sluggish when the motor is
actuated, check hydraulic hoses from
motor and pump to cylinder for kinks.
(2) If one cylinder rod moves slower than
the other, cylinder having slower mov-
ing rod is defective and should be
replaced.
(3) If both cylinder rods move slowly or
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