Mack ASET AC - Exhaust Manifold Removal; Engine Wiring Harness Removal

REPAIR INSTRUCTIONS, PART 1
Page 165
3. Loosen the tube line nut at the unit pump for
the No. 1 cylinder (Figure 156). Be careful to
avoid twisting the line while loosening the
nut.
Fuel lines should not be bent at anytime during
the removal process. Bending may result in
damage to the fuel line(s). Even bending the line
slightly and then bending it back to its original
shape can damage the line.
4. Loosen tube line nut at the cylinder head
and remove the tube assembly. Cap the line
and fittings to prevent contaminants from
entering the system.
156
Figure 156 — Fuel Inlet Tube Assembly Removal
5. Repeat this procedure for the five remaining
cylinders.
6. Remove the capscrew attaching the top of
the EGR heat shield to the cylinder head.
Remove the heat shield.
Exhaust Manifold Removal
[214 EG]
1. Support the exhaust manifold and remove
the 12 mounting nuts (Figure 157) securing
the manifold to cylinder heads.
2. Remove the exhaust manifold and gaskets.
Discard the gaskets.
157
Figure 157 — Exhaust Manifold Removal
Engine Wiring Harness Removal
1. Disconnect the harness at each of the EUP
terminals.
2. Disconnect the harness at the engine speed
and position sensors and any remaining
sensor locations not previously
disconnected.
3. Remove the harness attaching hardware
and remove the harness from the engine.
1. EUP Line Nut 2. Fuel Inlet Tube Line Nut
1. Exhaust Manifold
2. Cylinder Head
3. Manifold Stud/Nut
5-111.bk Page 165 Monday, July 10, 2006 2:26 PM