Mack MP7 - Removal

REPAIR INSTRUCTIONS, PART 1
Page 105
1. Position the vehicle on a flat, level surface
with ample work space around the vehicle.
2. Apply the parking brake and block the
wheels to prevent the vehicle from moving.
Observe all safety precautions.
3. Disconnect the battery negative (ground)
cables.
4. Drain the air tanks.
Removal
1. Remove the hood. On cab over engine
models, tilt the cab.
2. Place suitable containers beneath the
engine and drain the oil and coolant. Open
the coolant drain valves in the radiator, the
cylinder block and the EGR cooler.
3. Using the oil filter wrench, 9998487, remove
the oil filters.
4. Using a suitable filter wrench, remove the
fuel filters.
5. Using the coolant filter wrench, J 48061,
remove the coolant filter.
6. Disconnect the inlet air heater if present.
7. If the vehicle is equipped with air
conditioning:
a. Using A/C refrigerant recovery and
recycling equipment, recover the
refrigerant.
b. Disconnect the A/C compressor
discharge hose at the connection near
the radiator support.
c. Disconnect the A/C line at the
receiver/dryer.
d. Locate and disengage the electrical
connector from the binary pressure
switch on the receiver/dryer.
e. Locate and disengage the electrical
connector from the low-pressure cutout
switch in the A/C refrigerant line.
8. Disconnect and remove the upper radiator
tube from the engine.
9. Disconnect the cab heater and fuel heater
coolant return lines from the radiator lower
tube (if applicable).
10. Disconnect and remove the lower radiator
tube.
11. Remove the charge air cooler inlet tube and
hoses.
12. Remove the charge air cooler outlet tube
and hoses.
13. Disconnect the radiator fan if electronically
controlled.
The radiator and charge air cooler assembly is
heavy and difficult to handle. Provide a suitable
lifting device and a helper to support it safely
during removal.
14. Remove the radiator and charge air cooler
assembly.
The fan assembly is heavy and difficult to handle.
Obtain assistance to support it safely during
removal.
15. Remove the fan assembly.
To prevent fluid leaking from the fan assembly,
store it horizontally face down (hub flange up) or
vertically as shown.