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

Technical Manual For Hydraulic Excavator Model 330Lcr 1
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TM 5-3805-281-24-1
Tests
11. Adjust the minimum flow adjusting screw (F) 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 17 mm nut (E).
Slow Speed Propel With Track Raised--Specification
Cycle Time.......................................................... 36.5 1 seconds for one
revolution from a running start
with pump control valve pilot line
disconnected
12. Repeat procedure for other pump.
Adjust regulators so cycle times are the same.
9025
25
107
E--17 mm Nut
F--Minimum Flow Adjusting Screw
CED,TX08227,3141
1928MAY985/5
6-254


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