Mini-Crawler Crane M A E D A Section 5 – PERIODIC MAINTENANCE
1/2019 MC405C-3 5-41
Maintenance Every 50 Hours
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 point
1
Greasing of the boom
mounting pin
1 place
Lithium
grease
2
derricking cylinder
1 place
3
derricking cylinder rod
1 place
4
Greasing of the
outrigger rotary shaft
4 places
5
mounting pin of the
outrigger grounding
4 places
6
mounting pin of the
outrigger grounding
4 places
7
Greasing of the slewing
gear
2 places
8
Greasing of the hook
block
1 place
9
Greasing of the boom
slide plate
8 places
grease
(grease
for
10
Greasing of both sides
and bottom of a boom
Each
boom
11
Greasing of the boom
telescoping wire rope
2 pieces
Rope oil
12
Greasing of the winch
wire rope
1 piece
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. Place the boom derricking lever in the
"Raise" position (pull it toward you) to raise
the boom slightly for greasing the derricking
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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