Lull 944E-42 Service Manual Bedienungsanleitung PDF herunterladen (Seite 109)

7-7

944E-42

Engine

f. Fuel Tank Installation

1. Set the fuel tank on to the tank support.

2. Secure the fuel tank retaining panel with the two

previously removed capscrews. Torque to 38-59 lb-ft

(50-80 Nm).

3. Install the fuel tank drain plug (3/8 in. NPT square

head).

4. Connect the fuel level gauge wire to the fuel tank

sender.

5. Uncap and connect the previously labeled fuel lines

to their appropriate locations.

6. Fill the tank according to specifications. Refer to

Section 2.4, “Fluid and Lubricant Capacities.”

7. Check tank for leaks.

8. Properly connect the batteries.

9. Close and secure the engine cover.

7.6.3 After Fuel System Service

1. Drain and flush the fuel tank if it was contaminated.

2. Vent air from the fuel system in accordance with the

instructions found in the appropriate Operator &

Safety Manual.

3. Fill the fuel tank with fresh, clean diesel fuel as

required.

7.7 ENGINE EXHAUST SYSTEM

Rattles and noise vibrations in the exhaust system are

usually caused by misalignment or parts. When aligning

the system, leave all capscrews and nuts slightly loose

until all parts are properly aligned, then tighten all

fasteners working from the front of the system to the rear.

When replacing the muffler, also replace the tail pipe.

Before assembling components, use exhaust system

sealer at all slip joint connections.

When installing exhaust system components, allow

sufficient clearance between the components and other

pipes, hoses and wiring that could be adversely affected

by excessive heat.

7.7.1 Exhaust System Removal

1. Park the machine on a firm, level surface, level the

machine, fully retract the boom, lower the boom,

place the travel select lever in the (N) NEUTRAL

position, engage the parking brake, and shut the

engine OFF.

2. Place a Do Not Operate Tag on both the ignition key

switch and steering wheel, stating that the machine

should not be operated.

3. Open the engine cover. Allow the system fluids to

cool.

4. Properly disconnect the batteries.

5. Loosen the hose clamps (1) and remove the thermal

insulation socks on the exhaust (2) and flex pipe (3).

6. Loosen and remove the exhaust pipe heat shield (4).

7. Loosen the lower clamp (5) attaching the exhaust

pipe to the muffler.

8. Loosen and remove the bolts and brackets (6)

holding the muffler to the frame. Remove the muffler.

9. Loosen the upper clamps (7) on the exhaust pipe

and remove the exhaust pipe (2).

10. Loosen the clamp (8) on the flex pipe (3) and remove

the flex pipe (2).

11. Loosen the V-band clamp (9) securing the outlet

exhaust pipe (10) to the engine turbo outlet. Remove

the exhaust pipe.

7.7.2 Exhaust System Installation

Note: Keep all clamps loosened until entire exhaust

system is in place.

1. Install the outlet exhaust pipe (10) to the engine

turbo outlet and tighten the V-band clamp (9) ONLY

enough to hold the outlet exhaust pipe in place.

M 7320U

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Lull 944E-42 Service Manual Bedienungsanleitung Seite 109

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