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Manitowoc Grove RT880E User Manual

Manitowoc Grove RT880E
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HYDRAULIC SYSTEM RT880E SERVICE MANUAL
2-2 Published 11-10-2014, Control # 524-00
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68
Load Sense Dump Valve . . . . . . . . . . . . . . . . . . . 2-69
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-69
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-69
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-71
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-71
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-71
Surface Protection for Cylinder Rods . . . . . . . . . 2-71
Lift Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-74
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-74
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-74
Trombone Telescope Cylinder. . . . . . . . . . . . . . . 2-77
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-77
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-77
Upper Telescope Cylinder . . . . . . . . . . . . . . . . . . 2-81
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-81
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-82
Axle Oscillation Lockout Cylinder. . . . . . . . . . . . 2-85
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-85
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-85
Steer Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88
Outrigger Extension Cylinder . . . . . . . . . . . . . . . . 2-91
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-91
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-91
Outrigger jack Cylinder . . . . . . . . . . . . . . . . . . . . . 2-94
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-94
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-94
Cab Tilt Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . 2-97
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-97
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-97
Counterweight Removal Cylinder. . . . . . . . . . . . 2-100
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-100
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-100
Counterweight Pin Cylinder . . . . . . . . . . . . . . . . 2-103
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-103
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-103
Axle Oscillation Lockout Cylinder (CE Option). 2-106
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-106
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-106
Park Brake Cylinder . . . . . . . . . . . . . . . . . . . . . . . 2-108
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-108
DESCRIPTION
This section describes the hydraulic system, the
components which make up the hydraulic system, and the
components dependent upon the hydraulic system for their
operation. This includes descriptions of the supply pressure
and return hydraulic circuit, hydraulic pumps, all hydraulic
valves, and all hydraulic cylinders. Detailed descriptions and
operation of individual hydraulic circuits are discussed within
their individual sections as applicable. A complete hydraulic
system schematic showing all options is at the back of this
manual and A.N.S.I. Graphical Symbols charts Figure 2-1
and Figure 2-2 provides hydraulic symbol information for this
section.

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Manitowoc Grove RT880E Specifications

General IconGeneral
BrandManitowoc
ModelGrove RT880E
CategoryConstruction Equipment
LanguageEnglish

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