JLG 534D-10 - Manual (Page 119)

7.11 534D-9, 534D-10 & 544D
Engine
3. Fill the fuel tank with fresh, clean diesel fuel as required.
Cummins
Refer to Section 8.5.1, “Hydraulic Oil Reservoir Draining,”
for fuel tank information.
7.10 EXHAUST SYSTEM
7.10.1 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. Remove the battery negative (-) cable from the
battery negative (-) terminal.
5. Loosen and remove the nuts from the exhaust pipe
at the exhaust manifold.
6. Disconnect and remove the clamps attaching the
flex pipe to the exhaust pipe.
7. Disconnect and remove the clamp connecting the
muffler and the exhaust pipe.
8. Disconnect and remove the clamp connecting the
tail pipe to the muffler and remove the tail pipe.
9. Remove the exhaust system from the machine.
7.10.2 Exhaust System Installation
Note: Keep all clamps loosened until entire exhaust
system is in place.
1. Install the exhaust pipe with a new seal to the
exhaust manifold.
Note: Replace the nuts and the exhaust manifold studs
if damaged.
2. Install the exhaust pipe clamp.
3. Install the muffler to the exhaust pipe and bolt the
muffler to the frame.
4. Install the flex pipe and clamps between the exhaust
pipes.
5. Adjust the muffler, exhaust and tail pipes for proper
clearance then tighten all clamps.
6. Connect the battery negative (-) cable to the battery
negative (-) terminal.
7. Start engine and check for exhaust leaks at all
exhaust connections. Adjust or repair as needed.
8. Close and secure the engine cover.
7.11 AIR CLEANER ASSEMBLY
Note: Refer to the appropriate Operation & Safety
Manual for your machine for the correct element change
procedure.
7.11.1 Air Cleaner Assembly 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. Remove the battery negative (-) cable from the
battery negative (-) terminal.
5. Remove the clamp securing the air intake elbow to
the air cleaner assembly. Lift the air intake elbow off
the air cleaner.
6. Remove the capscrews and nuts securing the air
cleaner mounting bracket to the air cleaner mounting
plate. Remove the air cleaner assembly.
MX0960
NOTICE
NEVER run the engine with only the inner safety
element installed.