LUBRICATION AND MAINTENANCE GRT655/655L OPERATOR MANUAL
6-24 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 a 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.
83
Telescope
Cylinder Wear
Pads
Figure 6-12 L
Thoroughly
coat
Apply grease at tear-
down.
• 1 place on
4-section boom
• 2 places on
5-section boom
84
Internal Side and
Bottom Wear
Pads - Inner
Sections
Figure 6-12 L
Thoroughly
coat
Apply grease at tear-
down.
• Brush on
• 12 places on
4-section boom
• 16 places on
5-section boom
85
Boom Section
Rear Upper
Wear Pads
Figure 6-12 L --- 50 hours or 1 week
• 12 grease
fittings on
4-section boom
• 16 grease
fittings on
5-section boom
• See note below
86
Boom Section
Lower and Upper
Wear Pads
Figure 6-12 L
Thoroughly
coat all areas
the wear pads
move on
50 hours or 1 week
•Brush on
bottom, top, and
side surfaces
that wear pads
move on
• 12 places on
4-section boom
• 9 places on
5-section boom
NOTE: Lubricate items more frequently than interval in table if environmental conditions and/or operating conditions
require.
CAUTION: Do not apply excessive pressure or force when greasing wear pads. This can cause grease fitting to separate
from wear pad. Only apply grease until resistance is felt.
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