Cadillac 60 Series 1963 Shop Manual page 68

POWER STEERING
5-9
8. Move pump outward until belt is tight. Adjust
belt tension as described in Note 3, and tighten
pulley nut to 55 foot-pounds.
9. Tighten hose fittings.
NOTE: With pressure hose fitting finger
tight, permit hose to assume a natural bend
without twisting. Hold hose in this position and
tighten fitting.
10. Fill pump reservoir to correct level with
Cadillac Power Steering Fluid. See Note 1.
11. Bleed steering gear, as described in Note 1.
8. Steering Pump Disassembly,
Cleaning and Inspection,
and Assembly (Fig. 5-12)
a. Disassembly
1. Remove filler cap and drain fluid from pump.
2. Place pump assembly in vise, hub down,
using flat on hub for one clamping surface. Do
not exert excessive force on hub as this may
distort pump housing.
3. Remove pressure union and O-ring seal
from rear of pump assembly. Discard O-ring
seal.
CAUTION: Spring loaded flow control valve
tends to "pop" out when pressure union is
removed.
4. Lift reservoir from pump housing by rocking
reservoir up and away from housing.
5. Remove and discard outer pump housing
O-ring seal, mounting bolt O-ring seals, and flow
control valve opening O-ring seal.
6. Rotate end plate retaining ring so that one
end of ring is over hole in housing. Spring one
end of ring with punch to allow screwdriver to be
inserted to lift ring out, Fig. 5-13.
7. Remove end plate. End plate is spring loaded
and will generally raise above the housing, making
removal easy. However, if end plate should stick,
a slight rocking action on top surface will free
the plate.
8. Remove pressure plate spring.
9. Remove woodruff key from shaft.
10. Remove pump from vise, and remove flow
control valve and spring. Flow control valve is
serviced as a unit and should not be disassembled.
11. Remove pressure plate, cam ring, and dowel
pins from pump housing.
12. Tap end of shaft lightly on bench until shaft
is free from pump housing. Then remove shaft
with rotor and vanes, and thrust plate attached.
13. Remove vanes from rotor, then remove
retaining ring from splined end of shaft and r e -
move rotor and thrust plate from shaft.
NOTE: To remove retaining ring, clamp
shaft in soft jawed vise and, using a pair of
long nose pliers or a screwdriver, pry retaining
ring off shaft. Be careful not to damage shaft
with vise jaws.
Filler Cap Rotor
Retaining Ring
Pressure Plate
End Plate
Reservoir
'O" Ring
Seal
" O " Ring
Housing
" O " Rings
Spring
Flow Control Valve
" O " Ring
am Ring \ Shaft
Spring Thrust Plate
Retaining Ring
Pressure Union
Fig. 5-12 Steering Pump Disassembled