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Grove RT770E
Manitowoc Grove RT770E Manuals
Manuals and User Guides for Manitowoc Grove RT770E. We have
2
Manitowoc Grove RT770E manuals available for free PDF download: Service Maintenance Manual, Operator's Manual
Manitowoc Grove RT770E Service Maintenance Manual (357 pages)
Brand:
Manitowoc
| Category:
Construction Equipment
| Size: 74.39 MB
Table of Contents
Table of Contents
7
Section 1 1
15
Overview of Manuals
15
Axle Weight Distribution
16
Basic Components
16
Customer Support
16
General Crane Design
16
Lifting Capacities (Load Chart)
16
Serial Number Location
16
Specific Crane Description
16
Transportation and Lifting Data
16
Axles
17
Brakes
17
Capacities
17
Dimensions
17
Engine
17
General
17
List of Specifications
17
Torque Converter
17
Transmission
17
Wheels and Tires
17
Hoists
18
Crane Nomenclature
21
After Cleaning
23
Cleanliness
23
Disassembly and Assembly
23
General Maintenance
23
Removal and Installation
23
Hoses and Tubes
24
Locking Devices
24
Pressing Parts
24
Shims
24
Wires and Cables
24
Batteries
25
Bearings
25
Gaskets
25
Hydraulic Systems
26
Hydraulic Fittings
27
Electrical System
28
Fatigue of Welded Structures
29
Loctite
29
Fasteners and Torque Values
30
Weld Studs
33
Dynamic Shock Loads
34
Environmental Conditions
34
General
34
Lubrication
34
Precautions and Recommendations During Inspection or Replacement
34
Wire Rope
34
Wire Rope Inspection (Running Ropes and pendant Cables)
35
Retraction Cables)
36
Wire Rope Inspection
36
Wire Rope Inspection (Boom Extension and Retraction Cables)
36
Wire Rope Inspection (Running Ropes and pendant Cables)
36
Wire Rope Inspection/Replacement
36
Wire Rope Inspection/Replacement (All Wire Rope)
36
Seizing Wire Rope
37
Installing 35X7 Class Wire Rope
38
Procedures for Cutting and Preparing 35X7 Class Wire Rope
38
Section 2 Hydraulic System 2
41
Section 2
41
Description
42
Description
43
Hydraulic Symbols
43
Draining and Flushing
45
Hydraulic Oil Recommendations
45
Hydraulic System Maintenance Precautions
45
Label Parts When Disassembling
45
Maintenance
45
Preparation
45
Removing Air from the Hydraulic System
46
Directional Control Valves
47
Parts Replacement
47
Visual Inspection of Hoses and Fittings
48
Description
49
Supply Pressure and Return Circuit
49
Pump Distribution
50
Troubleshooting
50
Troubleshooting Aids
52
Troubleshooting Procedures
52
Fill Cap/Breather
53
Hydraulic Oil Return Filter Assembly
53
Description
55
Maintenance
55
Oil Cooler
55
Oil Temperature Switches
55
Description
57
Hydraulic Pumps
57
Maintenance
57
Assembly
61
Disassembly
61
Pump Disconnect Assembly
61
Pressure Setting Procedures
63
Procedure a - Main Control Valve Reliefs
64
Procedure B - Main Directional Control Valve Pilot Supply Pressure
65
Procedure C - Swing Brake Pilot Supply Pressure
65
Procedure D - Brake Charge Supply Valve Relief Pressure
65
Procedure E - Charge Air Cooler Valve Relief Pressure
66
Procedure F - Brake Dual Accumulator Charge Valve Pressure Limits
66
Procedure G - Accumulator Pre-Charge Pressure
66
Procedure H - Precharging the Accumulator
67
Procedure I - Swing Valve Work Port Reliefs Pressure
67
Procedure J - Front Steer Relief Valve Pressure
68
Procedure K - Outrigger/Rear Steer Valve
68
Procedure K - Outrigger/Rear Steer Valve Relief
68
Procedure L - Hydraulic Oil Cooler Fan Motor Control Valve
68
Relief
68
Procedure M - Counterweight Removal Valve
69
General
70
Valves
70
Description
73
Directional Control Valves
73
Maintenance
73
Description
78
Hydraulic Remote Control Valve
78
Maintenance
78
Description
82
Dual Accumulator Charge Valve
82
Maintenance
82
Description
84
Maintenance
84
Swing Brake and Armrest Lockout Valve
84
Description
86
Holding Valve
86
Maintenance
86
Description
87
Outrigger/Rear Steer Valve
87
Maintenance
88
Outrigger Control Manifold
89
Maintenance
90
Description
91
Maintenance
91
Parking Brake/Range Shift Valve
91
Axle Oscillation Lockout Valve
93
Description
93
Maintenance
93
Description
94
High Speed Boost Selector Valve
94
Maintenance
94
Description
95
Maintenance
95
Telescope Stage Selector Valve Manifold
95
Description
96
Telescope Fill Tube Control Valve Manifold
96
Maintenance
97
Description
98
Hydraulic Accumulator
98
Maintenance
98
Description
99
Maintenance
99
Service Brake and CAC Fan Motor Priority
99
Description
100
Maintenance
100
Oil Cooler Fan Motor Priority Flow Control
100
Cylinders
101
General
101
Maintenance
101
Temperature Effects on Hydraulic Cylinders
102
Description
104
Lift Cylinder
104
Maintenance
104
Description
108
Maintenance
108
Telescope Cylinder
108
Axle Oscillation Lockout Cylinder
109
Description
109
Maintenance
109
Description
112
Maintenance
112
Steer Cylinder
112
Description
115
Maintenance
115
Outrigger Extension Cylinder
115
Description
118
Maintenance
118
Outrigger Jack Cylinder
118
Counterweight Removal Cylinder
121
Description
121
Maintenance
121
Section 3 Electrical System
125
Batteries
127
Cab Electrical Panel
127
Carrier Electrical Panel
129
General
131
Maintenance
131
Connector Troubleshooting
132
General Troubleshooting
132
Problems
132
Tools for Troubleshooting
132
Troubleshooting Swivel-Caused Electrical
132
Alternator/Charging System Troubleshooting
133
Alternator Replacement
135
Starter Replacement
135
Battery Replacement
136
Relay Panel Component Replacement
136
Gauge Cluster Replacement
137
Rocker Switch Replacement
137
Ignition Switch Replacement
138
Turn Signal Lever and Transmission Shift Lever Replacement
139
Windshield Wiper Assembly Replacement
140
Skylight Wiper Assembly Replacement
142
Windshield Washer Assembly Replacement
142
Air Conditioner
143
Beacon Light
143
Boom Mounted Floodlights
143
Cold Weather Operation
143
Optional Equipment
143
Rear View Mirror
143
Tools for Troubleshooting
143
Rt770E Service Manual Boom Section 4 Boom
145
Theory of Operation
146
Maintenance
148
Removal
148
Disassembly
157
Assembly
165
Boom Nose Sheaves
165
Installation
176
Boom Alignment and Servicing
177
Boom Extension and Retraction Cables
177
Functional Check
177
Inspection
177
Maintenance
177
Adjustment
178
Description
181
Telescope Circuit
181
Theory of Operation
181
Maintenance
183
Disassembly and Assembly
184
Removal and Installation
184
Description
185
Lift Circuit
185
Maintenance
185
Theory of Operation
185
Disassembly and Assembly
187
Lift Cylinder Installation
187
Lift Cylinder Removal
187
Bi-Fold Boom Extension
189
Boom Extension Rigging Mode
189
Description
189
Erecting the Boom Extension
189
Stowing the Boom Extension
196
Setting the Folding Swingaway Offset
198
Boom Extension Alignment Device Adjustment
199
Swingaway Mounting Adjustment
199
Description
200
Hook Block
200
Section 5 Hoist and Counterweight
201
Maintenance
202
Description
204
Fluid Level
204
Functional Check
204
Installation
204
Removal
204
Preventative Maintenance
206
Usage and Inspection
206
Oil Sampling
207
Brake Test Procedure
208
Hoist to Boom Alignment
209
Preparation
209
Tools Required
209
Motor and Brake
211
Description
212
Idler Drum and Cable Follower
212
Description
215
Maintenance
215
Third Wrap Indicator
215
Description
216
Hoist Drum Rotation Indicator System
216
Hoist Rotation Indicator (HRI) and Display
216
Maintenance
216
System
216
Description
218
Hoist Rotation Indicator (HRI) Display System
218
Description
219
Hoist Control Valves
219
Counterweight Plate
220
Description
220
Fixed Counterweight
220
Maintenance
220
Installation
222
Removable Counterweight (Optional)
222
Removal
222
Rt770E Section 6 Swing System
225
Description
226
Maintenance
227
Description
231
Maintenance
231
Swing Motor
231
Description
232
Maintenance
232
Swing Gearbox and Brake
232
Description
234
Maintenance
234
Swing Bearing
234
Description
239
Swivels
239
Description
241
Hydraulic Swivel
241
Maintenance
241
Theory of Operation
241
Description
243
Maintenance
243
Two Port Water Swivel
243
Description
244
Electrical Swivel
244
Maintenance
244
Theory of Operation
244
360° Swing Lock Control (Positive Lock Type)
246
Description
246
Maintenance
246
Swing Lock Pin
246
Caution
247
Description
250
Electronic Control System
250
Engine Control System Switches and Indicator Lights
250
Fuel System
253
Description
254
Air Intake
255
Air Intake and Exhaust System
255
Description
255
Charge-Air Cooler System
259
Muffler
260
Description
263
Maintenance
263
Water Cooling System
263
Radiator Fill and Servicing
267
Description
269
Drive Train
269
Maintenance
269
Description
271
Theory of Operation
271
Transmission/Torque Converter
271
Maintenance
272
Troubleshooting Procedures
272
Towing or Pushing
275
Section 8 Undercarriage
277
Description
280
Maintenance
280
Typical Wear Patterns
280
Wheels and Tires
280
Description
283
Steering Systems
283
Theory of Operation
283
Maintenance
284
Rear Steering System
285
Troubleshooting
285
Front Steering Control Valve
286
Hydraulic Pumps
286
Integrated Outrigger/Rear Steer Control Valve
286
Steer Cylinders
286
Description
287
Rear Axle Oscillation Lockout System
287
Theory of Operation
287
Axle Oscillation Lockout Cylinders
289
Axle Oscillation Lockout Valve
289
Brake System
289
Maintenance
289
Description
292
Maintenance
292
Service Brakes
292
Corrosion Protection
296
Description
298
Maintenance
298
Parking Brake Actuator
298
Description
299
Maintenance
299
Parking Brake
299
Description
302
Maintenance
302
Outrigger
302
Outrigger Circuit
302
Park Brake Solenoid Valve
302
Maintenance
303
Outrigger Beam
306
Extension Cylinder
310
Outrigger Monitoring System
310
Standard in North America)
310
Jack Cylinder
311
Outrigger Control Valves
312
Section 9 Lubrication
313
Arctic Lubricants and Conditions
315
Surface Protection for Cylinder Rods
318
Wire Rope Lubrication
318
Cranelube
319
Lubrication Points
319
Safety
319
Steering and Suspension
320
Drive Train
324
Drive Train (Continued)
326
Turntable
328
Outriggers
330
Boom
335
Boom (Continued)
337
Boom (Continued)
340
Boom (Continued)
342
Hoist
344
Hydraulic
346
Carwell® Rust Inhibitor
349
Cleaning Procedures
349
Protecting Cranes from Rusting
349
Application
350
Areas of Application
350
Inspection and Repair
350
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Manitowoc Grove RT770E Operator's Manual (174 pages)
Brand:
Manitowoc
| Category:
Construction Equipment
| Size: 44.17 MB
Table of Contents
Table of Contents
5
Section 1
11
Customer Support
11
Noise/Vibration Test Results
11
Noise Level Test Results
11
Vibration Level Test Results
12
Serial Number Location
12
List of Specifications
15
General
15
Dimensions
15
Capacities
15
Torque Converter
15
Transmission
15
Engine
15
Axles
15
Brakes
15
Wheels and Tires
15
Hoists
16
Section 2
19
Safety Messages
19
General
20
Safety Alert Symbol
20
Signal Words
20
Warning Signs
20
Accidents
20
Operator Information
21
Operator Qualifications
21
Operational Aids
22
Rated Capacity Limiter (RCL) Systems (if Equipped)
22
Anti-Two-Blocking Device
23
Working Area Limiter (if Equipped)
23
Crane Stability/Structural Strength
24
Load Charts
24
Work Site
24
Wind Forces
25
Wind Speeds
25
Lifting Operations
38
Counterweight
39
Outrigger Lift off
39
Multiple Crane Lifts
39
Tilt-Up Panel Lifting
39
Pile Driving and Extracting
40
Crane Equipment
40
Crane Inspection
40
Electrocution Hazard
41
Set-Up and Operation
42
Electrocution Hazard Devices
42
Electrical Contact
43
Special Operating Conditions and Equipment
43
Earthing the Crane
43
Personnel Handling
44
Environmental Protection
45
Maintenance
45
Service and Repairs
45
Lubrication
46
Tires
47
Hoist Rope
47
Synthetic Hoist Rope
47
Wire Rope
47
Sheaves
48
Batteries
49
Super Capacitor (if Equipped)
49
General Maintenance
49
Transporting the Crane
50
Travel Operation
50
Work Practices
51
Personal Considerations
51
Crane Access
51
Job Preparation
51
Working
52
Lifting
53
Hand Signals
54
Jib
56
Parking and Securing
56
Shut-Down
56
Cold Weather Operation
56
Temperature Effects on Hook Blocks
57
Temperature Effects on Hydraulic Cylinders
57
Model Specific Information
58
Crane Stability
58
Access Platform Hand Rail
58
Overload Inspection
59
Boom Inspection
60
Superstructure Inspection
62
Carrier Inspection
64
Controls and Indicators
68
Steering Column
69
Turn Signal Lever and Windshield Wiper/Washer/Headlight /Horn Controls
69
Steering Column Adjustment Lever
69
Park Brake Control Switch
69
Headlights Switch
69
Drive Axle Selector Switch
70
Hazard Lights Switch
70
Engine Diagnostic and Engine Speed Control Switches
70
Ignition Switch
70
Transmission Shift Lever
71
Cab Overhead Controls
71
Skylight Window Latch
71
Skylight Wiper
71
Skylight Sunscreen
71
Dome Light
71
Cab Circulating Fan
71
Right Side Window Latch
71
Overhead Control Panel
72
Heater/Air Conditioner Fan Switch
72
Heater Control Switch
72
Air Conditioner Switch
72
Skylight Wiper Switch
72
Panel Dimmer Switch
72
Work Lights Switch
72
Boom Lights Switch (Optional)
73
Hoist Rotation Indicator Display
73
Boom Section 1/Section 2 Selector Switch and Indicator
73
Crane Function Power Switch
73
EXHAUST System Cleaning Switch
73
Engines Only)
73
Boom Manual/Automatic Mode Selector Switch and Indicator
74
Boom A/B Mode Selector Switch and Indicator
74
Boom Recovery Mode Switch and Indicator
74
Steering Column Indicator and Gauge Display
75
Swing Brake Engaged
76
Parking Brake Engaged
76
Light Malfunction
76
Emergency Stop
76
Hydraulic Oil High Temperature
76
Transmission Warning
76
Low Steer Pressure (Optional on CE Units)
76
Left Turn Signal Indicator
76
Low Brake Pressure
76
Electronic Module Indicator
76
LCD Display
77
Engine Stop
77
Engine Warning
77
Diesel Particulate Filter (Tier 4 Engines Only)
77
Right Turn Signal Indicator
78
Inhibit Regeneration
78
Diesel Exhaust Fluid (Tier 4 Engines-2014 and Later Only)
78
High Exhaust System Temperature
78
Engine Wait-To-Start
78
Four-Wheel Drive Engaged
78
Axle Differential Locked
78
Rear Wheels Not Centered Indicator
78
Engine Coolant Temperature Gauge
78
Fuel Gauge
78
Low Fuel Level
79
Battery Charge Indicator
79
Voltmeter
79
Tachometer
79
Control Seat Assembly (Single Axis)
80
Main Hoist Joystick (Single Axis)
80
Boom Lift Joystick (Single Axis)
80
Boom Lift and Main Hoist Joystick (Dual Axis Option-Not Shown)
80
Main Hoist Speed Selector Switch
80
Telescope or Auxiliary Hoist Joystick (Single Axis)
81
Swing Joystick (Single Axis)
81
Swing and Telescope or Swing and Auxiliary Hoist Joystick (Dual Axis Option-Not Shown)
81
Auxiliary Hoist Speed Selector Switch (Optional)
81
Rear Steer Switch
81
Swing Brake Control Switch
81
Axle Differential Lock Control Switch (Optional)
82
Cab Door Release
82
Seat Back Adjustment
82
A/C Heater, Climate Control
82
Seat Slide Lever
82
Seat Frame Slide Lever
82
Armrest Adjustment
82
Hoist Rotation Indicators
82
HRI Display
82
Hydraulic Boost Switch
82
Side Control Panel
83
Rated Capacity Limiter (RCL) and Work Area Definition System (WADS) Control Panel
83
Rated Capacity Limiter (RCL) Bypass Switch
83
Emergency Stop Switch
83
Transmission Oil Temperature Gauge
83
Turntable Pin Swing Lock Control
83
12V Receptacle
84
Diagnostic Connector
84
Bubble Level Indicator
84
Hoist Third Wrap Indicator (Optional-Standard on CE)
84
Cold Weather Indicator (Optional)
84
Ambient Temperature LED Indicator
84
Boom Not Synchronized Indicator
84
Outrigger Control
84
Foot Pedal Controls
85
360° Swing Lock Pedal
85
Swing Brake Pedal
85
Telescope Control Foot Pedal (Optional)
85
Service Brake Foot Pedal
85
Foot Throttle Pedal
85
Miscellaneous Controls and Indicators
86
Fuse Panel
86
Buzzer
86
Rated Capacity Limiter (RCL) Emergency Override Switch (Non-CE Certified Cranes)
86
Rated Capacity Limiter (RCL) Emergency Override Switch and Indicator (CE Certified Cranes)
86
Rated Capacity Limiter (RCL) Emergency Override Switch and Indicator
86
Cranes)
86
RCL Internal Light Bar (Optional) (Not Shown)
87
Strobe Light or Beacon (Optional) (Not Shown)
87
Backup Alarm (Not Shown)
87
Emergency Exit
87
Operating Procedures
87
Pre-Starting Checks
87
Cold Climate Engine Operation
88
Cold Weather Operation
88
Crane Warm-Up Procedures
90
Engine
90
Transmission
90
Hoist
91
Swing Drive and Turntable Bearing
91
Axles
91
Hydraulic Oil System
91
Engine Operation
91
Transporting the Crane
93
Crane Travel Operation
93
General Crane Operation
101
Stowing and Parking
107
Unattended Crane
107
General
109
Accessing the Hoist Area (Fixed Counterweight Units Only)
109
Travel Configuration
109
Working Position
110
Installing Cable on the Hoist
110
Cable Reeving
110
Dead-End Rigging/Wedge Sockets
111
Boom Cable Reeving
111
Installing Wedge and Socket
111
Erecting and Stowing the Bi-Fold Boom Extension
116
Description
116
Boom Extension Rigging Mode
116
Erecting the Boom Extension
116
Erecting and Stowing the Bi-Fold Boom
116
Stowing the Boom Extension
123
Setting the Folding Swingaway Offset
125
Erecting and Stowing the Bi-Fold Boom Extension with the 6.1 M (20 Ft) Insert
126
Erecting
126
Stowing
128
Fixed Counterweight
129
Description
129
Maintenance
129
Removable Counterweight (Optional)
131
Removal
131
Installation
131
Section 5
133
General
133
Lubricants and Lubrication Intervals
133
Standard Lubricants
134
Arctic Lubricants and Conditions
135
Surface Protection for Cylinder Rods
138
Wire Rope Lubrication
138
Lubrication Points
139
Cranelube
139
Cummins Oil Registration List
139
Safety
139
Steering and Suspension
140
Axles
142
Drive Train
144
Drive Train (Continued)
146
Turntable
148
Outriggers
150
Boom
152
Boom (Continued)
154
Boom (Continued)
157
Boom (Continued)
160
Boom (Continued)
162
Hoist
164
Hydraulic
166
General
169
Instructions
169
Daily or 10 Hour Check List
169
Weekly or 50 Hour Check List
170
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