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Grove RT880E
Manitowoc Grove RT880E User Manual
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Service/Maintenance Manual
Grove
RT880E
2
Table of Contents
Table of Contents
5
Section 1
13
General
13
Overview of Manuals
13
Customer Support
14
General Crane Design
14
Specific Crane Description
14
Lifting Capacities (Load Chart)
14
Basic Components
14
Axle Weight Distribution
14
Serial Number Location
14
Transportation and Lifting Data
14
List of Specifications
15
General
15
Dimensions
15
Capacities
15
Torque Converter/Transmission
15
Engine
15
Axles
15
Brakes
15
Wheels and Tires
15
Swing Gearbox
15
Hydraulic Pumps
16
General Maintenance
21
Cleanliness
21
Removal and Installation
21
Disassembly and Assembly
21
Pressing Parts
21
Locks
21
Wires and Cables
22
Shims
22
Hoses and Tubes
22
Bearings
22
Gaskets
23
Batteries
23
Hydraulic Systems
23
Hydraulic Fittings
25
Electrical System
26
Fatigue of Welded Structures
26
Loctite
27
Fasteners and Torque Values
27
Weld Studs
31
Wire Rope
32
General
32
Environmental Conditions
32
Dynamic Shock Loads
32
Lubrication
32
Precautions and Recommendations During Inspection or Replacement
32
Wire Rope Inspection (Running Ropes and pendant Cables)
33
Wire Rope Inspection (Boom Extension and Retraction Cables)
34
Wire Rope Inspection/Replacement (All Wire Rope)
34
Seizing Wire Rope
35
Installing 35X7 Class Wire Rope
36
Procedures for Cutting and Preparing 35X7 Class Wire Rope
36
Section 2
39
Description
40
Theory of Operation
43
Maintenance
43
Hydraulic Oil Recommendations
43
Draining and Flushing
43
Removing Air from the Hydraulic System
44
Parts Replacement
45
Directional Control Valves
45
Supply Pressure and Return Circuit
47
Hydraulic Reservoir
47
Hydraulic Oil Return Filter Assembly
48
Oil Cooler
50
Hydraulic Pumps
51
Troubleshooting
58
Pressure Setting Procedures
59
Procedure a - Main Control Valve Pressure for Hoists, Boom Lift, Telescope - Check/Adjust
60
Procedure B - Outrigger Pressures - Adjust
60
Procedure C - Oil Cooler Motor Pressure - Adjust
60
Procedure D - Set Service Brake Accumulator Charge Valve Limits - Check/Adjust
61
Procedure E - Accumulator Pre-Charge Pressure - Check
61
Procedure F - Pre-Charging the Accumulator
61
Procedure G - Front Steer Pressure - Check/Adjust
61
Procedure H - Swing Work Port Pressure - Check/Adjust
62
Procedure I - Swing Brake Release Pressure - Check/Adjust
62
Procedure J - Controller Supply Pressure - Check/Adjust
62
Procedure K - Counterweight Removal Cylinder Extend/Retract Pressure - Check
62
Procedure L - Cab Tilt Cylinder Extend/Retract and Counterweight Pin Removal Pressure - Check/Adjust
62
Valves
69
General
69
Directional Control Valves
73
Description
73
Maintenance
73
Front Steer/Swing/Brake Manifold
80
Description
80
Maintenance
80
Steering Control Valve
84
Description
84
Maintenance
84
Hydraulic Remote Control Valve
85
Description
85
Maintenance
85
Swing Power Brake Valve with Treadle Pedal
89
Description
89
Maintenance
89
Speed Swing Valve
90
Description
90
Maintenance
90
Tandem Brake Valve with Treadle Pedal
91
Description
91
Maintenance
91
Dual Accumulator Charge Valve
92
Description
92
Maintenance
92
Hydraulic Accumulator Service Brake
94
Description
94
Maintenance
94
Holding Valves
95
Description
95
Maintenance
96
Cross Axle Differential Lock Valve
97
Description
97
Maintenance
97
Outrigger Control Manifold
98
Description
98
Maintenance
98
Pilot Operated Check Valve
101
Description
101
Maintenance
101
Axle Lockout, Rear Steer and Oil Cooler Fan Motor Control Manifold
102
Description
102
Maintenance
102
Check Valves
105
Description
105
Maintenance
105
Range Shift/Parking Brake Valve
106
Description
106
Maintenance
106
Load Sense Dump Valve
107
Description
107
Maintenance
107
Cylinders
109
General
109
Maintenance
109
Surface Protection for Cylinder Rods
109
Lift Cylinder
112
Description
112
Maintenance
112
Trombone Telescope Cylinder
115
Description
115
Maintenance
115
Upper Telescope Cylinder
119
Description
119
Maintenance
120
Description
120
Axle Oscillation Lockout Cylinder
123
Description
123
Maintenance
123
Steer Cylinder
126
Description
126
Maintenance
126
Outrigger Extension Cylinder
129
Description
129
Maintenance
129
Outrigger Jack Cylinder
132
Description
132
Maintenance
132
Cab Tilt Cylinder
135
Description
135
Maintenance
135
Counterweight Removal Cylinder
138
Description
138
Maintenance
138
Counterweight Pin Cylinder
141
Description
141
Maintenance
141
Axle Oscillation Lockout Cylinder (CE Option)
144
Description
144
Maintenance
144
Park Brake Cylinder
146
Description
146
Description
147
General
147
Alternator
149
Batteries
149
Cab Electrical Panel
149
Carrier Electrical Panel
152
Maintenance
153
General
153
General Troubleshooting
155
Troubleshooting Swivel-Caused Electrical Problems
155
Connector Troubleshooting
155
Troubleshooting Swivel-Caused Electrical
155
Problems
155
Alternator/Charging System Troubleshooting
157
Alternator Replacement
158
Starter Replacement
158
Battery Replacement
159
Relay Panel Component Replacement
159
Gauge Cluster Replacement
160
Rocker Switch Replacement
160
Ignition Switch Replacement
161
Turn Signal Lever and Transmission Shift Lever Replacement
162
Windshield Wiper Assembly Replacement
165
Windshield Washer Assembly Replacement
166
Skylight Wiper Assembly Replacement
166
Troubleshooting
167
Optional Equipment
167
Description
167
Beacon Light
167
Boom Mounted Floodlights
167
Rear View Mirror
167
Air Conditioner
167
Cold Weather Operation
167
Section 4
169
Description
169
Lattice Extension
169
Optional Lattice Extension Inserts
169
Theory of Operation
169
Boom Extension
169
Boom Retraction
170
Maintenance
170
Removal
170
Boom Disassembly
170
Boom Nose Sheaves
178
Boom Assembly
179
Installation
182
Functional Check
182
Inspection
183
Boom Alignment and Servicing
183
Cam Operated Check Valve Adjustment
183
Stop Block Adjustment
183
Front Upper Pad Adjustment
183
Read Side Wear Pad Adjustment
183
Boom Extension and Retraction Cable
184
Maintenance
184
Inspection
184
Adjustment
184
Telescope Circuit
186
Description
186
Theory of Operation
186
Maintenance
186
Lift Circuit
189
Description
189
Theory of Operation
189
Maintenance
189
Auxiliary Boom Nose
193
Description
193
Installing the Bi-Fold Manual Boom Extension
193
Checking the Transport Condition
196
Boom Extension Erecting and Stowing Procedure
196
Monthly Maintenance Work
196
Boom Extension Erecting and Stowing
196
Hook Block
197
Description
197
Maintenance
197
Description
199
Theory of Operation
199
Maintenance
200
Warm-Up Procedure
200
Routine Maintenance and Inspection
200
Removal
200
Installation
201
Functional Check
202
Fluid Level
202
Hoist to Boom Alignment
203
Preparation
203
Tools Required
203
Procedure
203
Piston Motor and Control Valve
204
Description
204
Maintenance
204
Idler Drum and Cable Follower
204
Maintenance
205
Hoist Drum Rotation Indicator System
207
Description
207
Maintenance
207
Counterweight Removal
209
Removal of Standard Counterweight and Auxiliary Hoist
209
Installation of Standard Counterweight and Auxiliary Hoist Mounting Structure
209
Removal of Counterweight Without Auxiliary Hoist
209
Removal of Counterweight Without Auxiliary
209
Hoist
209
Hoist
210
Installation of Counterweight Without Auxiliary Hoist
211
Third Wrap Indicator (Optional-Standard on CE)
213
Description
213
Maintenance
213
Section 6
215
Description
215
Theory of Operation
215
Maintenance
217
Troubleshooting
217
Swing Motor
220
Description
220
Maintenance
220
Swing Gearbox and Brake
220
Swing Bearing
222
Description
222
Maintenance
222
Swivels
226
Description
226
Hydraulic Swivel
228
Two Port Water Swivel
229
Electrical Swivel
230
Section 7
233
Engine
233
Description
233
Maintenance
234
Electronic Control System
236
Engine Control System Switches and Indicator Lights
236
Fuel System
239
Description
239
Maintenance
240
Air Intake and Exhaust System
240
Description
240
Air Intake
241
Charge-Air Cooler System
245
Exhaust System
246
Diesel Exhaust Fluid (DEF) System
249
Water Cooling System
251
Description
251
Maintenance
251
Drive Train
257
Description
257
Maintenance
257
Transmission/Torque Converter
259
Description
259
Theory of Operation
259
Maintenance
260
Troubleshooting Procedures
260
Towing or Pushing
262
Engine Block Heater
265
Axles
267
Description
267
Maintenance
268
Wheels and Tires
270
Description
270
Maintenance
270
Typical Wear Patterns
271
Steering Systems
273
Description
273
Theory of Operation
273
Maintenance
274
Troubleshooting
274
Rear Steering System
275
Troubleshooting
275
Hydraulic Pumps
276
Front Steering Control Valve
276
Rear Steer/ Axle Lockout/Fan Drive Valve
276
Steer Cylinders
277
Rear Axle Oscillation Lockout System
277
Description
277
Theory of Operation
277
Axle Oscillation Lockout Cylinders
279
Axle Oscillation Lockout Valve
279
Brake System
280
Description
280
Theory of Operation
280
Maintenance
281
Service Brakes
282
Description
282
Maintenance
282
Corrosion Protection
286
Parking Brake Actuator
288
Description
288
Maintenance
288
Parking Brake
289
Description
289
Maintenance
289
Park Brake Solenoid Valve
292
Description
292
Maintenance
292
Outriggers
293
Outrigger Circuit
293
Outrigger Beam
297
Extension Cylinder
301
Outrigger Monitoring System (Optional-Standard in North America)
302
Jack Cylinder
302
Outrigger Control Valves
304
Optional Equipment
304
Pintle Hook
304
Secondary Front Steer (CE Option)
304
Section 9
305
General
305
Environmental Protection
305
Lubrication Intervals
305
Standard Lubricants
306
Arctic Lubricants and Conditions
307
Surface Protection for Cylinder Rods
310
Wire Rope Lubrication
311
Lubrication Points
311
Cranelube
311
Safety
311
Steering and Suspension
312
Axles
314
Drive Train
316
Drive Train (Continued)
319
Turntable
321
Cab Tilt
323
Outriggers
325
Boom
327
Boom (Continued)
327
Hoist
333
Hydraulic
335
Diesel Exhaust Fluid (DEF)
337
Carwell® Rust Inhibitor
339
Protecting Cranes from Rusting
339
Cleaning Procedures
339
Inspection and Repair
340
Application
340
Areas of Application
340
4
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Manitowoc Grove RT880E Specifications
General
Brand
Manitowoc
Model
Grove RT880E
Category
Construction Equipment
Language
English
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