Maeda MC815C, Operation Manual, Page: 313 / 426

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[3] GREASING OF MACHINE UNITS
CAUTION
• Grease type varies with greasing points. Failure to grease properly may shorten the
machine life. Follow the table “Grease type” below.
• 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.
No. Greasing point Grease type
1 Greasing of the boom mounting pin 1 place
Lithium grease
2
Greasing of the derricking cylinder bottom mounting
pin
1 place
3 Greasing of the derricking cylinder rod mounting pin 1 place
4 Greasing of the outrigger rotary shaft 4 places
5
Greasing of the outrigger contact cylinder bottom
mounting pin
4 places
6
Greasing of the outrigger contact cylinder rod
mounting pin
4 places
7 Greasing of the slewing gear 1 place
8 Greasing of the sheave 1 place
9 Greasing of the hook block 1 place
10 Greasing of the boom top slide plate 8 places
Neo grease
(grease for boom)
11 Greasing of the boom bottom slide plate 8 places
12 Greasing of both sides and underside of the boom
Each
boom
13
Greasing of the boom extending and retracting wire
ropes
2 pieces
Rope oil
14 Greasing of the winch wire rope 1 piece
1. Using the grease gun, inject grease through corresponding grease plugs indicated in the
arrow (see next page) of the above table “No.1 – 9”.
2. Wipe off old grease squeezed out after greasing.
3. Place the outriggers when greasing the outrigger cylinders.
4. Pull the right operation lever inward to raise the boom slightly for greasing the derricking
cylinder mounting pin and slide plate located on the top surface of the boom.
5. Push the left operation lever forward to extend the boom for greasing both sides and
underside 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.