page 3-1
SECTION 3
HYDRAULIC SYSTEM SERVICE
CONTENTS OF THIS SECTION
Page
HYDRAULICS ....................................................... 3-3
HYDRAULIC CYLINDER SEAL REPLACEMENT ........................ 3-3
Remove Cylinder from Drill ........................................... 3-3
Reassembly of Cylinder .............................................. 3-7
Replacing the Cylinder on the Machine and Bleeding the Hydraulic System .... 3-11
HYDRAULIC CYLINDER COMPONENTS .............................. 3-12
SDX30 Subbar Cylinder ............................................. 3-12
SDX40 Subbar Cylinder ............................................. 3-13
SDX30 Wing Lift Cylinder........................................... 3-14
SDX40 Wing Lift Cylinder........................................... 3-16
Wing Lift Ball Valve................................................ 3-18
WING LIFT HYDRAULIC SCHEMATICS ............................... 3-19
SDX30 Wing Lift Hydraulics, 1
st
Serial Range - up to Serial Number
CKB0028188 ..................................................... 3-19
SDX30 Wing Lift Hydraulics, 2
nd
Serial Range - Starting with Serial Number
CBJ0007001 ...................................................... 3-20
SDX40 Wing Lift Hydraulics ......................................... 3-22
SUBBAR HYDRAULICS ............................................. 3-24
SDX30 1
st
Serial Range Subbar Hydraulics up to Serial Number CKB0028188 . . 3-24
SDX30 2
nd
Serial Range - Starting with Serial Number CBJ0007001 .......... 3-26
SDX40 Subbar Hydraulics ........................................... 3-30
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