5-22 Published 3-25-2020, Control # 595-10
MAINTENANCE AND LUBRICATION GRT8100 OPERATOR MANUAL
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
83
Telescope
Cylinder Wear
Pads
Figure<$pa
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L Coat thoroughly
Apply grease at
assembly or tear-down.
• 12 places
• Extend boom for
access through
holes in side of
sections 3 & 4
84
Internal Side and
Bottom Wear
Pads - Inner
Sections
Figure<$pa
ranum>
&
Figure<$pa
ranum>
L
Thoroughly
coat all areas
wear pad
moves on
250 hours/3 months 23 locations
85A
Boom Section
Rear Upper
Wear Pads - Tele
1
Figure<$pa
ranum>
L
Thoroughly
coat all areas
the wear pad
moves on
50 hours/1 week
• 2 locations
• Extend Tele 1 to
57.8 FT and
67.8 FT, so the
access holes
line up with the
grease fittings.
85B
Boom Section
Rear Upper
Wear Pads - Tele
2 - 4
Figure<$pa
ranum>
&
Figure<$pa
ranum>
L
Thoroughly
coat all areas
wear pad
moves on
50 hours/1 week
• 6 locations
• Extend Tele 2 to
124.9 FT, so the
access holes
line up with the
grease fittings.
86
Boom Section
Lower & Upper
Wear Pads
Figure<$pa
ranum>
&
Figure<$pa
ranum>
L
Thoroughly
coat all areas
wear pad
moves on
50 hours/1 week 12 locations
87
Extend Cable
Sheave
Figure<$pa
ranum>
A
Until grease
extrudes
250 hours or 3 months 6 locations
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