Manitowoc Grove GRT880 User Manual

Grove Published 3-25-2020, Control # 643-04 5-25
GRT880 OPERATOR MANUAL MAINTENANCE AND LUBRICATION
5
Boom (Continued)
NOTE: Crane Setup: Machine shall be set up on firm level surface with fully extended outriggers and minimum 9979 kg
(22,000 lb) counterweight installed. Ensure crane is level.
• Boom must be directly over the front with house lock engaged.
• Set boom angle at zero degrees (0°).
• Do not exceed 38.2 m (125.5 ft) boom length in Auto Mode A.
• Do not exceed 33.8 m (111.1 ft) boom length in Auto Mode B.
• All lubrication points can be accessed by operating crane in the 0001 RCL mode using A or B boom configurations.
CAUTION: Do not operate crane in RCL bypass to lubricate the boom.
Item
Lube Point
Description
Figure No.
Approved
Lubricant
Lube Capacity Lube Interval Application
89 Boom Pivot Shaft Figure 5-14 L
Until grease
extrudes.
250 hours or 3 months. 4 grease fittings
90
Upper Boom
Nose Sheave
Figure 5-14 A ---
Apply grease at
assembly or tear down.
91
Lower Boom
Nose Sheave
Figure 5-14 A ---
Apply grease at
assembly or tear down.
92
Auxiliary Boom
Nose Sheave
Figure 5-14 A
Until grease
extrudes.
250 hours or 3 months. 1 grease fitting.
93 Mast Sheave
Figure 5-14 A
Until grease
extrudes.
500 hours or 12
months.
1 grease fitting.
94 Jib Sheaves
Figure 5-14 A
Until grease
extrudes.
250 hours or 3 months. 2 grease fittings.
FIGURE 5-14
90
89
93
92
91
87
94
94
8900-1

Manitowoc Grove GRT880 Specifications

General

Brand	Manitowoc
Model	Grove GRT880
Category	Construction Equipment
Language	English