Mack MP7 - Page 110

MAINTENANCE
Page 99
Install the AFI as marked at disassembly, with the
higher side of the heat shield toward the
turbocharger.
97
Figure 97 — AFI Installation
3. Secure the injector mounting bolts. Tighten
the bolts according to specification.
4. Reconnect the aftertreatment fuel injector
wiring harness connector. Secure the
injector wiring harness with clips and tie
straps.
5. Reconnect the coolant lines to the
aftertreatment injector fittings and tighten to
specification.
98
Figure 98 — AFI Coolant Line Connections
6. Connect the aftertreatment fuel injector
check valve assembly and tighten to
specification.
99
Figure 99 — Connecting AFI Check Valve Assembly
7. Install the P-clamp and screws to secure the
AFI harness and fuel supply line to the
diffuser.
8. Fill the engine cooling system with the
recommended coolant using the coolant
extractor.
9. Install all previously removed cables to the
ground (negative) battery terminals.
10. Perform Aftertreatment Injector Adaptive
Factor Reset using VCADS/Tech Tool.
11. Start the engine, check for leaks and proper
operation. After shutdown, replenish fluids
as necessary.
CLEANING
1. Apply the parking brake and place the shift
lever in neutral.
2. Disconnect all cables from ground (negative)
battery terminals to prevent personal injury
from electrical shock.
3. Remove P-clamp screws securing the AFI
harness and fuel supply line.
4. Disconnect the aftertreatment fuel injector
double check valve assembly (CVA). Collect
any residual fuel that might be in the fuel line
in a suitable container.