stall the snap ring (7) on the shaft. Lightly tap the shaft
and ring. The porting in this plate will be 90 from the
and bearing assembly into the body with a plastic
other plate. Carefully install the two capscrews (30) in
hammer. Install lock ring (6) in the body to secure the
the cartridge. Tighten the screws, being certain the
bearing and shaft. Thoroughly inspect to insure that lock
peripheral edges of the ring and plates are flush. Tap
ring is correctly installed.
with a plastic hammer if necessary to effect alignment.
(c) Cartridge assembly. With the rotor
(f) Plate hubs. Install O-rings (20, 21)
(28) lying on a clean, flat, surface, slide the vanes and
first, then back-up rings (19, 22) on the pressure plate
springs (27) into the rotor slots. Lift the vanes slightly to
hubs. Grease with petroleum jelly.
insure the springs are positioned in spring recesses of
Inspect this assembly to insure the O-ring is positioned
the rotor. With a piston ring compressor of suitable size,
in the concave side of the back-up ring.
(g) Cartridge installation. Clamp the
compress the vanes in the slots so the vanes will clear
the minor diameter of the ring. (fig. 3-15).
body in a vise with protective jaws. Assemble the hub
adapter (5) on the cartridge pressure plate (body end)
CAUTION
(24). Install the O-ring (18) and then back-up ring (17)
Be certain the springs remain seated
on the hub adapter. Grease with petroleum jelly. Install
in the spring recesses of the rotor as
the cartridge (23) on the shaft, with the hub adapter
vanes are compressed.
toward the body. Tap cartridge into position.
Install the O-ring (15) in the body.
(d) Rotor and vane assembly. Position
(h) Cover assembly. Install the O-ring
the ring (25, fig. 3-14) on a flat surface and insert the
(16) in the cover (2) greasing liberally. Carefully install
rotor and vane assembly 1/4 way into the ring. Use a
the cover being sure that locating pin (3) engages the pin
suitable size hard wood plug as a driver for positioning
hole in the cover. To check engagement turn the cover
the rotor and vane assembly.
Release the ring
30 degrees in both directions and be certain the cartridge
compressor carefully so the vanes do not snap out
moves with it. Install the four cover bolts (1) and tighten
against the ring surface. With the hard wood plug, press
to 65 to 70 foot-pounds torque.
the vanes and rotor flush with the ring.
(e) Pressure plate assembly. Install the
install the fan drive hydraulic motor.
pins (26) on the body end pressure plate (24). Place the
rotor, ring, and vane assembly over the pins on the plate.
Install the cover end pressure plate (29) against the rotor
Section X. CARRIER RADIATOR ASSEMBLY
3-31. Carrier Radiator Assembly
3-32. Removal and Disassembly
a. Removal (Model 2380).
The radiator assembly, which is used on both Models
2380 and 2385, is a 3 piece unit made up of top and
(1) Drain the cooling system.
bottom tanks attached to the core unit. Coolant is
(2) Remove cover assembly and deck plates
circulated from the coolant pump to the radiator where it
(TM 5-3810-232-12).
is cooled, and then recirculated through the cooling
(3) Disconnect radiator hoses (TM 5-3810-
system.
232-12).
3-33
