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HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--ENGINE PULLDOWN - Continued
HYDRAULIC PUMP REGULATOR TEST AND ADJUSTMENT--ENGINE PULLDOWN - Continued

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Tests
7. Adjust the Load Adjusting Cartridge (Outer Spring)
(Engine Pulldown at Medium Pressure) (L):
NOTE: The load adjusting screw (K) and load adjusting
cartridge (L) are located on the end of regulator
towards the engine.
a. Loosen 13 mm nut (J) on both regulators.
b. Turn load adjusting screws (K) out 1-1/2 turns.
Tighten nuts.
c. Loosen 30 mm nuts (M) on both regulators.
d. Turn load adjusting cartridges (L) out 1-1/4 turns.
Leave nuts loose.
9025
J--13 mm Nut
25
K--Load Adjusting Screw
108
L--Load Adjusting Cartridge
M--30 mm Nut
Continued on next page
TX,9025,GG2661 1906MAY976/14
6-239


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