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ENGINE CONTROL UNIT (ECU)
REPLACE WEATHER PACK CONNECTOR

Technical Manual For Hydraulic Excavator Model 330Lcr 2
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TM 5-3805-281-24-2
Electrical System and Electrical Engine Controls
CONNECTORS
Connectors are devices that provide for assembly and
disassembly of systems. Connectors should always be
serviced using tools designed for that type of connector. A
good crimp is important to mechanical and electrical
soundness. Repaired connectors should be physically
tested by pulling to be sure the contact is firmly attached
to the conductor.
IMPORTANT: If for some reason the connectors are
not connected, such as when the fuel
injection pump is removed, it is
important to protect the connectors
from debris.
NOTE: See earlier in this group for a diagram showing
location of all sensor connectors. For vehicle
engines, refer to machine Operation and Tests
manual for complete wiring diagrams, including
connectors.
Refer to the procedures which follow for repair of various
type of connectors.
RG,RG34710,1328
1923OCT971/1
USING HIGH-PRESSURE WASHER
IMPORTANT: Reduce pressure when directing
pressurized water at electronic or
electrical components and connectors
as this may cause the components to
malfunction. Always reduce pressure,
and spray at a 45 to 90 degree angle.
Using High-Pressure Washer
RG,RG34710,1329
1923OCT971/1
11-420


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