Mack ASET AC, Service Manual, Page: 382 / 536

REPAIR INSTRUCTIONS, PART 1
Page 369
23. Install the CMCAC inlet tube and hoses
between the turbocharger and the cooler.
24. Place the coolant overflow tank in position
and install the retaining clamps.
25. Install the lower radiator hose and tube.
Connect the tube to the Y-hose at the
coolant inlet of the oil cooler assembly.
26. Reconnect the cab heater and fuel heater
coolant return lines to the radiator lower tube
(if applicable). The cab heater and optional
fuel heater coolant return hoses were
relocated from the thermostat housing to the
radiator lower tube during mid-2004.
446
Figure 446 — Radiator Lower Tube with Welded Bosses
(Spuds) for Heater Hose Connections (CH Lower Tube
Shown)
27. Install upper radiator tube and hoses. The
connection is made at the coolant outlet
fitting on the thermostat housing.
28. If the vehicle is equipped with air
conditioning:
a. Connect the A/C refrigerant
low-pressure cutout switch to the wiring
harness connector.
b. Connect the binary (cycling clutch)
pressure switch on the receiver/dryer to
the wiring harness connector.
c. Connect the A/C line at the
receiver/dryer.
d. Connect the A/C compressor discharge
hose to the system at the connection
point near the radiator support.
e. Recharge the A/C system with
refrigerant using the refrigerant
recovery and recycling equipment,
J 39500-B, or equivalent for R134A.
29. Place the air intake tube in position and
tighten the clamps securing the intake tube
to the turbocharger and air filter.
30. Install the hood, if applicable. Refer to the
Hood Installation procedures in the
appropriate vehicle manual.
1. Fuel Heater Coolant
Return
2. Cab/Sleeper Heater
Coolant Return
3. Transmission Oil Cooler
(If Equipped)
4. Draincock
5-111.bk Page 369 Monday, July 10, 2006 2:26 PM