M A E D A Mini-Crawler Crane Section 5 – PERIODIC MAINTENANCE
3/2019 MC305C-3 5-39
Grease Machine Units
CAUTION:
• Grease type varies with greasing points.
Failure to grease properly may cause the
machine to shorten its useful life. See the
following table for grease types.
• Greasing a new machine is required once
every 10 hours until the machine attains the
first 100 hours of operation that initial fit
emerges.
• Use proper grease specified below according to
the greasing points.
Greasing of the boom
mounting pin
Greasing of the boom
lift cylinder bottom
mounting pin
Greasing of the boom
lift cylinder rod
mounting pin
Greasing of the
outrigger rotary shaft
Greasing of the
mounting pin of the
outrigger grounding
cylinder bottom
Greasing of the
mounting pin of the
outrigger grounding
cylinder rod
Greasing of the
slewing gear
Greasing of the hook
block
Greasing of the boom
slide plate
Neo grease
(grease for
boom)
Greasing of both
sides and bottom of a
boom
Greasing of the boom
telescoping wire rope
Greasing of the winch
wire rope
1. With the use of the grease gun, grease the
greasing points (No.1 to 9) specified in the
above table through corresponding grease
plugs. (See the following page)
2. Wipe off old grease squeezed out after
greasing.
3. Place the outriggers when greasing the
outrigger cylinders.
4. lace the boom derricking lever in the "Raise"
position (pull it toward you) to raise the boom
slightly for greasing the boom lift cylinder
mounting pin and slide plate that is located on
top of the boom.
5. Place the boom telescoping lever in the
"Extend" position (push it toward the front) to
extend the boom for greasing both sides and
bottom of the boom and wire rope.
6. Apply red rope grease to prevent wire rope
abrasion and rust formation.
With the rope surface cleaned, grease the
rope with a brush.
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