Maintenance Standard - Hitachi ZX 870-6 Workshop Manual

SECTION 2

MAINTENANCE STANDARD

Group 1 Upperstructure
Pump Device ...................................................................W2-1-1-1
Swing Motor ....................................................................W2-1-2-1
Group 2 Undercarriage
Travel Motor .....................................................................W2-2-1-1
Sprocket ............................................................................W2-2-1-3
Center Joint ......................................................................W2-2-2-1
Front Idler .........................................................................W2-2-3-1
Upper Roller .....................................................................W2-2-4-1
Lower Roller .....................................................................W2-2-4-2
Track ....................................................................................W2-2-5-1
Group 3 Front Attachment
Pin and Bushing ..............................................................W2-3-1-1
Side Cutter ........................................................................W2-3-1-3
Point ....................................................................................W2-3-1-4
Standard Dimensions for Arm and Bucket
Connection .................................................................W2-3-1-5
Standard Dimensions for Arm and Boom
Connection .................................................................W2-3-1-7
Cylinder .............................................................................W2-3-2-1
CONTENTS
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