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[3] GREASING 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 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 mounting pin of the outrigger grounding
cylinder bottom
4 places
6
Greasing of the mounting pin of the outrigger grounding
cylinder rod
4 places
7 Greasing of the slewing gear 1 place
8 Greasing of the hook block 1 place
9 Greasing of the boom slide plate 8 places
Molybdenum grease
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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