T. O. 35C2-3-442-2
The coolant pump (56) cannot be
assembled completely and installed
as a separate unit. It is assembled
as it is installed on the short shaft
end of the motor.
a. Apply a thin film of grease to o-rings
(62, 64, and 70) and seal cage (71).
b. Install seal spring (73) and seal
washer (72) over end of motor shaft. Place
o-ring (70) in seal cage (71); then install
seal cage over end of motor shaft with seal
face facing outward.
c. Install pump adapter (68) over motor
shaft and align holes with tapped holes in
Make certain that adapter (69) and
cam ring (63) are tightly com-
pressed together when determin-
ing the 0.002 inch clearance,
otherwise a false reading will be
d. Install pump rotor (67) on motor
shaft and temporarily tighten rotor set
screw (66). Place o-ring (64) in groove of
pump adapter (68). Place cam ring (63) in
position aligning scribe mark. With motor
shaft end play taken up in direction of pump,
make certain there is at least 0.002 inch
clearance between outer face of cam ring
Figure 11-3. Coolant pump wear limits
(63) and outer face of rotor (67). Move
rotor back or forth as necessary to produce
this clearance; then tighten set screw (66).
e. Install rotor blades (65) in rotor
slots, making sure that grooves in blades
face away from direction of rotation, Pump
rotates counterclockwise when viewing
end of port plate (58).
heater in the reverse order of index num-
bers assigned. Pay particular attention to
f. Place o-ring (62) in groove of port
(58); then position plate against