Engine Exhaust System; Troubleshooting - Manitowoc Grove CD3340B Service Manual

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CD3340B/YB4411
Replace the air filter at the regular maintenance intervals.
Make sure all clamps on the intake tube and filter are tight. If
dust or foreign materials enter the engine, permanent
damage can be caused to the engine.
NOTE:
NEVER run the engine without an air cleaner
installed.

ENGINE EXHAUST SYSTEM

W0002
Problem
1.
2.
3.
Engine hard to start
4.
or will not start.
5.
6.
7.
1.
2.
Engine runs
irregularly or stalls
3.
frequently.
4.
5.
1.
Below normal engine
2.
temperature.
GROVE
Probable Cause
Improper starting procedure.
No fuel.
Air in fuel line (s).
Crankcase oil too heavy. (cold weather
starting).
Improper type of fuel.
Water, dirt or air in fuel system.
Clogged fuel filter.
Low coolant temperature.
Clogged fuel filter.
Water, dirt or air in fuel system.
Dirty or faulty fuel injection nozzles.
Clogged air filter.
Defective thermostat.
Defective
temperature
sender.
Published 04/07/2015 Control # 569-00
ENGINE AND ENGINE SYSTEMS
Exhaust system components get very hot and can cause
severe burns.
The exhaust system is installed under the frame to minimize
the transfer of noise and vibration into the operator 's
compartment.
Annoying rattles and noise vibrations in the exhaust system
are usually caused by misalignment of parts. When aligning
the system, leave all bolts and nuts loose until all parts are
properly aligned, then tighten working from top to bottom.
When installing exhaust parts, make sure there is sufficient
clearances between the hot exhaust part and parts that
would be adversely affected by heat.
When installing an exhaust system, allow for expansion
when the system is hot.
Periodic maintenance of the exhaust system is not required,
However, it is advisable to check the condition of the system
when performing other maintenance on the crane.
Check the complete exhaust system for broken, damaged,
missing or mispositioned parts, open seams, holes, loose
connections and other deterioration which could cause
exhaust fumes to seep into the operator's compartment. Any
damaged areas must be corrected.

TROUBLESHOOTING

1.
Review starting procedure in Engine Operators
Manual.
2.
Check fuel gauge.
3.
Bleed the fuel line (s).
4.
Use oil with proper viscosity.
5.
Use proper fuel for operating conditions.
6.
Drain, flush, fill, and bleed system.
7.
Replace filter.
1.
Remove and check thermostat.
2.
Replace filter element.
3.
Drain, flush, fill, and bleed system.
4.
Have authorized distributor check the nozzles.
5.
Replace the filter elements.
1.
Remove and check thermostat.
gauge
or
2.
Check gauge, sender and all connections.
Action
6-5
6

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