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DISASSEMBLE MAIN HYDRAULIC PUMP - Continued
DISASSEMBLE MAIN HYDRAULIC PUMP - Continued

Technical Manual For Hydraulic Excavator Model 330Lcr 2
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TM 5-3805-281-24-2
Hydraulic System
3. Remove spring (A).
33
4. Lift center shaft (B) straight up to remove. Do not lose
3360
pin (D).
30
5. Tip pistons (C) toward center of drive shaft to remove.
6. Measure rotor piston bore ID. Measure OD of piston.
Subtract piston OD from bores ID for clearance
between them.
Rotor Bore-to Piston--Specification
Clearance .................................................. 0.044 mm (0.0031 in.) nominal
Clearance ............................................... 0.08 mm (0.0017 in.) limit of use
A--Spring
B--Center Shaft
C--Piston (7 used)
D--Pin
Continued on next page
CED,OUOE027,297
1903JUN986/15
19-69


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