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HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--MINIMUM FLOW - Continued
HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--MAXIMUM FLOW

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Tests
10. Adjust the minimum flow adjusting screw (E) as
needed to obtain the specified cycle time. Turn screw
in to decrease the cycle time (the minimum flow rate
increases), turn screw out to increase the cycle time
(the minimum flow rate decreases). Hold the screw
and tighten the nut (F).
Slow Speed Propel With Track Raised--Specification
Cycle Time........................................... 33 5 sec for one revolution from
a running start with pump control
valve pilot line disconnect
11. Repeat procedure for other pump.
Adjust regulators so cycle times are the same.
9025
E--Minimum Flow Adjusting Screw
25
F--17 mm Nut
100
TX,9025,GG2655 1908JUN984/4
6-231


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