Manitowoc Grove GRT880

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5-20 Published 3-25-2020, Control # 643-04

MAINTENANCE AND LUBRICATION GRT880 OPERATOR MANUAL

Lift Cylinder

Item

Lube Point

Description

Figure No.

Approved

Lubricant

Lube

Capacity

Lube Interval Application

Lower Lift

Cylinder Pin

Figure 5-10 L

Until grease

extrudes.

500 hours or 3 months. 1 grease fitting.

8601

FIGURE 5-10

Main Page

Table of Contents5
Section 111
Customer Support11
Noise/Vibration Test Results12
Noise Level Test Results12
Vibration Level Test Results12
Serial Number Location12
List of Specifications14
General14
Dimensions14
Capacities14
Torque Converter14
Transmission14
Engine14
Axles14
Brakes14
Wheels and Tires14
Hydraulic Pumps15
Hoists15
Section 217
Safety Messages18
General18
Safety Alert Symbol18
Signal Words18
Safety Decals18
Accidents18
Operator Information19
Operator Qualifications19
Operational Aids20
Rated Capacity Limiter (RCL) Systems20
Anti-Two-Blocking Device21
Working Area Limiter (if Equipped)21
Crane Stability/Structural Strength22
Load Charts23
Work Site23
Wind Forces23
Wind Speeds24
Lifting Operations36
Lifting Multiple Loads37
Tilt-Up Panel Lifting37
Counterweight38
Outrigger Lift off38
Pile Driving and Extracting38
Crane Equipment39
Crane Inspection39
Electrocution Hazard39
Set-Up and Operation40
Electrocution Hazard Devices41
Electrical Contact41
Special Operating Conditions and Equipment42
Grounding the Crane42
Personnel Handling43
Environmental Protection44
Maintenance44
Service and Repairs44
Lubrication45
Tires45
Hoist Rope46
Synthetic Hoist Rope46
Wire Rope46
Sheaves48
Batteries48
Super Capacitor (if Equipped)48
General Maintenance49
Transporting the Crane49
Travel Operation49
Work Practices51
Personal Considerations51
Crane Access51
Job Preparation51
Working52
Lifting52
Hand Signals53
Boom Extension55
Parking and Securing55
Shut-Down55
Cold Weather Operation55
Temperature Effects on Hook Blocks56
Temperature Effects on Hydraulic Cylinders56
Model Specific Information58
Crane Stability58
Hoist Platform58
Overload Inspection58
Boom Inspection59
Superstructure Inspection61
Carrier Inspection63
Controls and Indicators66
Steering Column66
Turn Signal Lever and Windshield Wiper/Washer/Headlight/Horn Controls67
Steering Column Tilt Lever67
Park Brake Control Switch67
Headlights Switch67
Drive Axle Selector Switch67
Hazard Lights Switch67
Steering Column67
Engine Speed (RPM) Increase/Decrease Switch68
Ignition Switch68
Transmission Shift Lever68
Cab Overhead Controls68
Skylight Window Latch68
Skylight Wiper and Wiper Motor69
Skylight Sunscreen69
Dome Light69
Cab Circulating Fan69
Right Side Window Latch69
Overhead Control Panel69
Skylight Wiper Switch69
Heater/Air Conditioner Fan Speed Switch69
Heater Control Switch69
Air Conditioner Switch69
Exhaust System Cleaning70
Exhaust System Cleaning (Tier 4 Engines Only)70
Diesel Exhaust Fluid (Tier 4 Engines Only)71
High Exhaust System Temperature71
Control Seat Assembly - Dual Axis Joysticks72
Boom Lift/Main Hoist Joystick (Dual Axis)73
Swing/Telescope or Swing/Auxiliary Hoist Joystick (Dual Axis)73
Main Hoist Enable Switch73
Boom up Bypass Switch73
Lift Function Enable Switch73
Jog Dial73
Outrigger Function Enable Switch73
Differential Lock On/Off Switch (Optional)73
Rear Steer Switch73
Auxiliary Hoist Enable Switch74
Boom Telescope Enable Switch74
Swing Enable Switch74
Seat Slide Lever74
Air Conditioner/Heater Climate Unit74
Seat Frame Slide Lever74
Armrest Adjustment Knobs74
Seat Height Adjustment Lever74
Limit Bypass Switch (Non-CE Certified Cranes)74
Limit Bypass Switch (CE Certified Cranes)75
Emergency Stop Switch76
Level Indicator76
Deadman Switches (Optional) (Dual Axis Joysticks Only)76
Hoist High Speed Toggle Switches76
Horn Button76
Free Swing Button76
Cab Door Release Lever76
Hoist Rotation Indicators (Not Shown)76
Seat Switch (Not Shown)76
Control Seat Assembly - Single Axis Joysticks77
Main Hoist Control (Single Axis Option)77
Boom Lift Control (Single Axis Option)77
Telescope or Auxiliary Hoist Control (Single Axis Option)77
Swing Control (Single Axis Option)77
Foot Pedal Controls78
360° Swing Lock Pedal78
Swing Brake Pedal78
Telescope Control Pedal (Optional)78
Service Brake Pedal78
Foot Throttle Pedal78
Miscellaneous Controls and Indicators78
Fuse and Relay Panels78
Buzzer78
Limit Bypass Switch (Non-CE Certified Cranes)79
Limit Bypass Switch and Indicator (CE Certified Cranes)79
RCL Internal Light Bar (Optional)80
Strobe Light or Beacon (Optional)80
Backup Alarm (Not Shown)80
Emergency Exit80
Crane Control System (CCS)81
CCS Display81
Turntable Swing Lock Pin Control81
Menu Control81
CCS Main Screen Symbols and Icons82
CCS Menu Screen83
CCS Operation Display84
Main Screen84
Menu Screen84
Rated Capacity Limiter (RCL) System85
Mode of Operation85
Outrigger Operation Menu86
Telescope Operation Menu87
RCL Setup Wizard90
Switch to RCL Home Screen Display93
RCL Display Operating Screen: Tare Function93
CCS Working Range Limiter (WRL)94
Introduction94
WRL Limitations94
Accessing Limitation Screens101
Height Limitation102
Boom Up/Down Limitation105
Radius Limitation108
Swing Limitation111
Wall Limitation114
Economy Mode117
Terminology117
Requirements117
Operation118
Benefits118
Operating Procedures122
Pre-Starting Checks122
Cold Weather Operation123
Crane Warm-Up Procedures125
Engine Operation127
Crane Travel Operation128
General Crane Operation135
Level Indicator Adjustment137
Crane Functions137
Stowing and Parking142
Unattended Crane142
General143
Hoist Platform143
Working Position144
Installing Cable on Hoist144
Anti-Two-Block (A2B) Switch145
Locking145
Unlocking145
Checking before Operation145
Cable Reeving147
Reeving Boom Cable147
Dead-End Rigging/Wedge Sockets147
Installing Wedge and Socket148
Bi-Fold Swingaway, Off-Settable Boom Extension153
Description153
Erecting Boom Extension153
Bi-Fold Swingaway, Off-Settable Boom153
Erecting Boom Extension Fly Section155
Stowing Boom Extension155
Setting Boom Extension Manual Offset158
Erecting and Stowing Bi-Fold Boom Extension with 6 M (20 Ft) Insert161
Erecting161
Stowing163
Connecting and Disconnecting Boom Extension163
Connecting163
Connecting and Disconnecting Boom163
Extension163
Disconnecting163
Removable Counterweight164
Counterweight Control Panel164
Removing165
Installing165
General168
Environmental Protection168
Lubricants and Lubrication Intervals168
Standard Lubricants169
Arctic Lubricants and Conditions170
Cylinder Rod Surface Protection173
Wire Rope Lubrication173
Lubrication Points173
Cranelube173
Cummins Oil Registration List174
Safety174
Drive Train175
Drive Train (Continued)176
Drive Train (Continued)178
Steering and Suspension180
Steering and Suspension (Continued)181
Axles182
Turntable183
Turntable (Continued)184
Cab Tilt184
Outriggers185
Lift Cylinder186
Boom187
Boom (Continued)188
Boom (Continued)191
Hoist192
Hydraulic193
Rust Protection194
Cleaning Procedures194
Inspection and Repair195
Application195
Areas of Application195

Table of Contents

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