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SPEED SENSING SOLENOID VALVE (SD) HARNESS TEST
PROPEL SPEED CHANGE PROPORTIONAL SOLENOID VALVE (SI) HARNESS TEST

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Tests
5. Start engine.
6. Actuate arm in function over relief to load the engine.
Indicator light must be ON.
If indicator light goes OUT, check wiring harnesses,
solenoid coil, engine rpm dial, and engine speed
sensor. (See procedure in Group 9015-15.)
TX,25,GG2221 1901JUN982/2
9025
25
43
6-174


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