PILOT PUMP FLOW TEST

Technical Manual For Hydraulic Excavator Model 330Lcr 1
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635

TM 5-3805-281-24-1

Tests

If pressure is low, check the pilot pressure regulating

valve.

If flow is low, check inlet hose to pump for restriction. If

there is no restriction, replace pump.

CED,TX08227,3145

1929MAY984/4

9025

130

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