GROVE
Published 10-21-2011, Control # 055-03
6-15
5540F/YB5515 OPERATOR’S MANUAL
MAINTENANCE
6
Grease Fittings
Lubricate all points indicated under the heading “Lubrication
Points”.
Lubricate Parking Brake
Apply grease to the fitting on the parking brake (Figure 6-22).
Lubricate The Boom Slides
1.
Extend the outriggers. Lower the boom and then extend
it to its maximum out position.
2.
Engage the parking brake and shut off the engine.
3.
Clean the old lubricant from the booms.
4.
Apply bronze anti-seize, or equivalent, to the boom
sliding surfaces (Figure 6-23) on the boom sections.
Only use a small amount of lubricant for best results.
5.
On four-section booms only, align the boom access
holes (Figure 6-23) to gain access to the telescope
cylinder rod end slide pad.
6.
Apply bronze anti-seize, or equivalent, to the inner boom
surface in front of and behind the slide block. Only use a
small amount of lubricant for best results. Extend and
retract the booms to distribute the lubricant along the
slide path.
Evidence of heat damage from any cause.
Kinking, crushing, or distortion of rope structure
6 broken wires in any one lay or 3 broken wires
in one strand in any lay.
Wear greater than 1/3 diameter of outside
individual wires.
Reduction from normal diameter of
9/16” (14 mm) of more than 1/32”
(0.8mm).
More than 1 broken wire at a
dead-end connection
FIGURE 6-21
Wire Rope Inspection
Criteria
p1643
Parking Brake Lube Fitting
FIGURE 6-22
Reference Only
