Pontiac FIREBIRD 1972 Service Manual page 1233

9-80 1972 PONTIAC SERVICE MANUAL
Fig. 9 - 1 2 0 Installing Rotor
6. Install vanes in rotor slots with radius edge towards
outside (Figs. 9-122 and 9-123).
7. Lubricate outside diameter and chamber of pressure
plate with power steering fluid to insure against da-
maging "0" ring and install on dowel pins with
ported face toward pump ring. Applying pressure to
outer edge only, seat pressure plate. Never press or
hammer on the center of the pressure plate as this will
cause permanent distortion with resulting pump fail-
ure. (Pressure plate will travel about 1/16" to seat.)
8. Install end plate "0" ring.
ROTATION
ARROW
/
Fig. 9 - 1 2 2 Installing Pump Vanes
9. Install pressure plate spring in center groove of pres-
sure plate (Fig. 9-124).
10. Lubricate outside diameter of end plate with power
steering fluid to insure against damaging "0" ring
and install in housing using an arbor press.
1 1. Install end plate retaining ring while pump is in arbor
press. Be sure it is completely seated in the groove of
the housing (Fig. 9-125).
Fig. 9 - 1 2 1 Installing Pump Ring Fig. 9-123 Pump Vanes Installed