Chevrolet Corvette 1963 Repair & Tune-Up Manual page 195

Rear TBI Unit
1. Disconnect the battery cables at the
battery.
2. Remove the air cleaner assembly, not
ing the connection points of the vacuum lines.
3. Disconnect the electrical connectors at
the injector, idle air control motor, and throt
tle position sensor.
4. Disconnect the vacuum lines from the
TBI unit, noting the connection points. Dur
ing installation, refer to the underhood emis
sion control information decal for vacuum line
routing information.
5. Disconnect the throttle and cruise con
trol (if so equipped) cables at the TBI unit.
6. Disconnect the fuel return and balance
line connections from the rear TBI unit.
7. Disconnect the throttle control rod be
tween the two units.
8. Unbolt and remove the TBI unit.
9. Installation is the reverse of the pre
vious steps. Torque the TBI bolts to 120-168
inch Ibs. during installation.
DISASSEMBLY
CAUTION: Use extreme care when han-
dling the TBI unit to avoid damage to the
sivirl plates located beneath the throttle
valve.
NOTE: If both TBI units are to be disas-
sembled, DO NOT mix parts between either
unit.
1. Remove the fuel meter cover assembly
(five screws). Remove the gaskets after the
cover has been removed. The fuel meter
cover assembly is serviced only as a unit. If
necessary, the entire unit must be replaced.
FUEL METER
COVER SCREWS-
SHORT
TBI fuel meter cover screws (five)
EMISSION CONTROLS AND FUEL SYSTEM
FUEL METER COVER
SCREWS- LONG
DUST SEAL-
FUEL PRESSURE
REGULATOR
(REAR UNIT ONLY)
FUEL PRESSURE
REGULATOR OR
COMPENSATOR
ASSEMBLY
FUEL METER
COVER GASKET
FUEL OUTLET
PASSAGE GASKET
Bottom view of the fuel meter cover assembly—
DO NOT remove the four screws indicated
CAUTION: DO NOT remove the four
screws which retain the pressure regulator
(rear unit) or pressure compensator (front
unit). There is a spring beneath the cover
which is under great pressure. If the cover
is accidentally released, .personal injury
could result.
Do not immerse the fuel meter cover in any
type of cleaning solvent.
2. Remove the foam dust seal from the
meter body of the rear unit.
2. Remove the fuel injector using a pair of
small pliers as follows:
a. Grasp the injector collar, between the
electrical terminals.
b. Carefully pull the injector upward, in
a twisting motion.
REMOVING FUEL
INJECTOR
Removing the fuel injector
177
ATTACHING SCREWS
DO NOT REMOVE