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6–1
T-378
SECTION 6
SERVICE
6.1 Engine Maintenance
When fitted with a EES, the engine should be maintained and serviced as per service recommendations in the
UG15 Generator Set Operation and Service Manual (T-360).
6.2 EES Maintenance
Maintenance and repair records must be maintained and submitted when requesting warranty for the EES. Records
include maintenance history including engine hours, repair records including engine hours and any documented
observations such as oil consumption trends, fuel consumption trends, and smoke emissions.
6.3 Service & Diagnostics
An illuminated service light,
, will indicate immediate service is needed. A unit with an illuminated service
light will continue to operate for up to 250 hours in order to protect load and allow adequate time for delivery. After
250 hours, the unit will shut down until the EES is repaired.
Figure 6.1 Service Light
The ECM Service Tool is diagnostic software that can test the functionality of individual EES components initiate
regeneration, display alarm codes, provide current sensor readings. retrieve data from the ECM, and more. Further
diagnosis with the ECM requires the following tools:
• ECM CAN Adapter: 07-00533-01
• ECM Service Tool software version 2.0.28.
Detailed information for ECM Service Tool instructions can be found in
6.4 DPF Manual Cleaning
During the EES preventative maintenance service, the DPF assembly should be removed and cleaned to remove all
accumulated ash. Ash is considered a hazardous material and must be collected using either a commercially
available cleaning system or using a vacuum with a HEPA filter.
Follow the ash handling guidelines as prescribed by CARB at: www.arb.ca.gov/diesel/tru/documents/ashguide.pdf.
Procedure:
1. Initiate a manual regeneration to oxidize accumulated diesel soot from the exhaust. Refer to
Table 6–1 EES Maintenance
System
Operation
Every Service Interval or Yearly
EES
Check the mounting straps and U-clamps for tightness or wear.
Remove DPF module and clean filter to remove accumulated ash.
Remove Fuel Injector (Doser), inspect and clean the injector nozzle and pipe.
Exhaust System
Check mounting hardware.
Check all joint connections for any indications of leaks.
Inspect exhaust pipes for damaged or missing insulation.