5-26 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
89 Boom Pivot Shaft
Figure<$pa
ranum>
L
Until grease
extrudes
250 hours or 3 months 4 grease fittings
90
Upper Boom
Nose Sheave
Figure<$pa
ranum>
A
Thoroughly
coat
Apply grease at
assembly or tear down.
2 grease points
(1) per sheave
91
Lower Boom
Nose Sheave
Figure<$pa
ranum>
A
Thoroughly
coat
Apply grease at
assembly or tear down.
5 grease points
(1) per sheave
92
Auxiliary Boom
Nose Sheave
Figure<$pa
ranum>
A
Until grease
extrudes
250 hours or 3 months 1 grease fitting
93 Mast Sheave
Figure<$pa
ranum>
A
Until grease
extrudes
500 hours or 12 months 1 grease fitting
94 Jib Sheaves
Figure<$pa
ranum>
A
Until grease
extrudes
250 hours or 3 months 2 grease fittings
FIGURE 5-14
90
89
93
92
91
87
94
94
8616
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