MAINTENANCE AND LUBRICATION GRT8120 OPERATOR MANUAL
6-30 Published 3-22-2021, Control # 702-02
Item
Lube Point
Description
Figure No.
Approved
Lubricant
Approximate
Capacity
Service Interval
Service
Application
Outrigger Lubrication
60
Outrigger Beams
–Top Plates
Figure 6-15 L Brush on
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON beam
top plate as beam
is fully extended.
See NOTE 35.
See NOTE 37.
See NOTE 38.
See NOTE 39.
Outrigger Beams
–Bump-outs
See NOTE 35.
See NOTE 37.
See NOTE 38.
See NOTE 39.
Figure 6-15 L Brush on
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON 3 TOP,
and 3 BOTTOM
bump-outs on each
side of outrigger
beam
12 service points
each beam
61
Wear Pads
See NOTE 35.
See NOTE 37.
Figure 6-15 L Brush on
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON
2 TOP wear pads
(rectangular–rear),
and 2 BOTTOM
wear pads
(circular–front) of ea
outrigger beam
4 service points
each beam
62
Jack Cylinder
Support Tubes
Figure 6-15 L
Brush on I.D.
of each
cylinder
support tube
and wear
bands
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON I.D. of
4 service points
See NOTE 35.
See NOTE 36.
63
Jack Cylinder
Barrels
Figure 6-15 L Brush on
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON
4 service points
See NOTE 35.
See NOTE 36.
64
Extend Cylinder
Supports
Figure 6-15 L Brush on
Every 50 hours, or
1 week of service,
whichever interval
comes first
BRUSH ON
8 service points
See NOTE 35.
See NOTE 37.
See NOTE 38.
NOTE 35: DO NOT USE non semi-synthetic lubricant. Use of non-approved lubricant may damage components.
NOTE 36: Brush lubricant in I.D. of Jack Cylinder Support Tubes and Wear Bands before installing Jack Cylinders.
NOTE 37: Brush lubricant on TOP wear pads (rectangular–rear), and BOTTOM wear pads (circular–front) of Outrigger
Beams and Extend Cylinder Supports.
NOTE 38: Brush lubricant on three (3) TOP and three (3) BOTTOM bump-outs found on each side of the outrigger beam
where top and bottom plates contact the sides of the outrigger box. Lubricate 6 points each side, per outrigger,
when the beam is fully extended.
NOTE 39: Perform same service for each of four (4) Outrigger Beams, for a total of 48 service points.
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