LUBRICATION AND MAINTENANCE GRT655/655L OPERATOR MANUAL
6-26 Published 3-23-2020, Control # 654-04
Item
Lube Point
Description
Figure No.
Approved
Lubricant
Lube Capacity Lube Interval Application
Boom (Continued)
NOTE: Crane Setup: Machine shall be set up on firm level surface with fully extended outriggers and 5579 kg (12,300 lb)
counterweight installed. Ensure crane is level.
• Boom must be directly over the front with house lock engaged.
• Fully retract the boom and set boom angle to 0°. Remove the quick reeve pin on the boom nose, remove any reeved wire
rope laying it off to the right side of the boom and place the rigging down on the ground in front of the crane. The boom
should have no load on it.
• At 0° boom angle, fully extend the boom to enable accessibility to the boom grease zerks. During boom extending,
function the RCL bypass switch in order to enable the boom to proceed beyond the RCL limit to fully extended.
• After greasing is completed, fully retract the boom and then reinstall/reeve the rigging and wire rope that was temporarily
removed.
87 Boom Pivot Shaft Figure 6-13 L ---
• 250 hours or 3
months
• Apply grease at tear
down
2 grease fittings
88
Upper Boom
Nose Sheave
Figure 6-13 A
Coat shaft and
bushings
Apply grease at tear
down.
89
Lower Boom
Nose Sheave
Figure 6-13 A
Coat shaft and
bushings
Apply grease at tear
down.
90
Auxiliary Boom
Nose Sheave
Figure 6-13 A
Until grease
extrudes
• 250 hours or 3
months
• Apply grease at tear
down
1 grease fitting
91 Mast Sheave Figure 6-13 A
Until grease
extrudes
• 500 hours or 12
months
• Apply grease at tear
down
1 grease fitting
92
Boom Extension
Sheaves
Figure 6-13 A
Until grease
extrudes
• 250 hours or 3
months
• Apply grease at tear
down
1 grease fitting
93
Boom Extension
Rollers
Figure 6-13 A
Until grease
extrudes
• 250 hours or 3
months
• Apply grease at tear
down
4 grease fittings
NOTE: Lubricate items more frequently than interval in table if environmental conditions and/or operating conditions
require.
To Next Page
Loading...
Need help?
General
