Manitowoc Grove RT770E Service Maintenance Manual

2-35
GROVE
RT770E HYDRAULIC SYSTEM
2
Published 11/26/2014, Control # 447-05
Item Description
1 Load Sense Gauge Port
2 From Pump
3 Gauge Port
4 Main Hoist Directional Valve
5 Auxiliary Hoist Directional Valve
6 Telescope Directional Valve
7 Lift Directional Valve
8 Unloader
9 To Tank
10 Load Sense Relief
11 Pilot Generator
12 Auxiliary Pilot Port
13 Pilot Drain
14 Port 1A - Hoist Down
15 Port 1B - Hoist Up
16 Port 3A - Telescope Extend
17 Port 3B - Telescope Retract
Item Description
18 Port 4A - Lift Extend
19 Port 4B - Lift Retract
20 Relief Valve - Auxiliary Hoist Up
21 Relief Valve - Telescope Extend
22 Relief Valve - Telescope Retract
23 Boom Lift Thermal Relief
24 Pilot to B Ports On Controller
25 Pilot to A Ports On Controller
26 Port 2A - Auxiliary Hoist Down
27 Port 2B - Auxiliary Hoist Up
28 Load Sense
29 Relief Valve - Hoist Down
30 Relief Valve - Auxiliary Hoist Down
31 Relief Valve - Hoist Up

Manitowoc Grove RT770E Specifications

General

Brand	Manitowoc
Model	Grove RT770E
Category	Construction Equipment
Language	English