Manitowoc Grove GRT880 User Manual

5-22 Published 3-25-2020, Control # 643-04
MAINTENANCE AND LUBRICATION GRT880 OPERATOR MANUAL
Boom (Continued)
NOTE: Crane Setup: Machine shall be set up on firm level surface with fully extended outriggers and 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 B boom configuration.
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
83
Telescope
Cylinder Wear
Pads
Figure 5-12
and
Figure 5-13
L
Coat
thoroughly.
Apply grease at
assembly or tear-down.
Brush on.
84
Internal Side and
Bottom Wear
Pads - Inner
Sections
Figure 5-12
and
Figure 5-13
L
Thoroughly
coat all areas
wear pad
moves on.
250 hours or 3 months*. 23 locations.
85A
Boom Section
Rear Upper
Wear Pads - Tele
1
Figure 5-12
and
Figure 5-13
L
Until grease
extrudes.
50 hours or 1 week*.
2 grease fittings.
See note
immediately below.
NOTE: In Auto Mode B, extend boom to 21 m (68.9 ft) to align access holes with grease fittings.
85B
Boom Section
Rear Upper
Wear Pads - Tele
2
Figure 5-12
and
Figure 5-13
L
Until grease
extrudes.
50 hours or 1 week*.
2 grease fittings.
See note
immediately below.
NOTE: In Auto Mode B, extend boom to 38.5 m (126.3 ft) to align access holes with grease fittings.
85C
Boom Section
Rear Upper
Wear Pads - Tele
3
Figure 5-12
and
Figure 5-13
L
Until grease
extrudes.
50 hours or 1 week*.
2 grease fittings.
See note
immediately below.
NOTE: In Auto Mode B, extend boom to 38.31 m (125.7 ft) to align access holes with grease fittings.
86
Boom Section
Lower & Upper
Wear Pads
Figure 5-12
and
Figure 5-13
L
Thoroughly
coat all areas
wear pad
moves on.
50 hours or 1 week*. 12 locations.
87
Extend Cable
Sheaves
Figure 5-12
and
Figure 5-13
A
Until grease
extrudes.
250 hours or 3 months.
6 grease fittings.
Extend boom to
align access holes
with grease
fittings.

Manitowoc Grove GRT880 Specifications

General

Brand	Manitowoc
Model	Grove GRT880
Category	Construction Equipment
Language	English