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HYDRAULIC PUMP FLOW TEST
HYDRAULIC PUMP FLOW TEST - Continued

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Tests
Test is used to determine pump condition and should be
performed only if a comparison of actual machine cycle
times to specified cycle times indicates low pump flow.
TX,9025,GG2662 1908JUN982/5
1. Stop the engine.
2. Loosen vent plug (K) to release the air pressure in
hydraulic oil tank.
K--Vent Plug
Continued on next page
TX,9025,GG2662 1908JUN983/5
9025
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