PREVENTATIVE MAINTENANCE CD5515-2/YB5515-2 SERVICE MANUAL
5-18 Published 1-20-2017, Control# 483-02
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 extreme pressure multipurpose grease, or
equivalent, to the boom sliding surfaces (Figure 5-25) 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 5-25) to gain access to the telescope
cylinder rod end slide pad.
6. Apply extreme pressure multipurpose grease, 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.
p1643
Parking Brake Lube Fitting
FIGURE 5-24
Boom Slide Lubrication
FIGURE 5-25
Extend booms until internal slide pads are
accessible through the access hole. Apply
extreme pressure multipurpose grease (EP-
MPG) in front of and behind the wear pads.
3 and 4 Section Booms
4 Section Boom Only
Apply lubricant (EP-MPG) to
bottom wear pad tracks.
2 places each boom
Apply lubricant (EP-MPG) to
bottom wear pad tracks.
2 places on boom
Reference Only
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