Manitowoc F2280-25
Published 07-21-21
MLC300 Lubrication Guide
Item Description Required Service
Prior to Operation
A1 Rigging Winch Inspect for oil leaks prior to using. If found, repair and
refill unit with gear oil.
A2 Boom Butt Fleeting Sheaves (Rigging Winch) (2
places on Boom Butt)
Grease. Make sure entire length of both shafts is coated
with grease.
A3 Block-Up Limit Switch (1 fitting inside each switch) Grease each.
Every 8 Hours of Operation or Daily (whichever comes first)
D1 Boom Hinge Pin (1 fittings, 2 places) Grease each.
Every 40 Hours of Operation or Weekly (whichever comes first)
W1 Weight Ball Swivel (1 fitting each) Grease each.
W2 Load Block Sheaves (1 fitting, each sheave) Grease each.
W3 Hook Bearing Grease.
Every 200 Hours of Operation or Monthly (whichever comes first)
M1 Mast Cylinder End Pins (2 fitting each cylinder) Grease each.
M2 Rigging Winch Check level. If the level is not at least half full, fill with
gear oil.
Every 2000 Hours of Operation or Annually (whichever comes first)
Y1 Rigging Winch
Drain and refill with 1.9 to 2.3 L (64 to 80 oz) of gear oil.
Refer to winch manufacturer operator manual included in
the shop reference and maintenance guide for winch
lubrication drain and fill procedure.
Y2 Whip / Aux. Line Wire Rope Guide Sheave (1 fitting) Grease each.
Inspect the sheaves for proper operation yearly or every
2000 hours of crane operation. Overhaul the sheaves
and repack them with grease if needed.
The sheaves can be greased at a desired interval
established by the crane owner/user.
Y3 Lower Point Sheave (1 fitting, each sheave)
Y4 Upper Point Sheave (1 fitting, each sheave - Greased
Sheave Option)
Y5 Boom Top Wire Rope Guide Sheave (1 fitting, each
sheave)
Y6 Live Mast Sheaves (1 fitting, each sheave)
CAUTION
Bearing Damage!
For sheaves with grease fitting in groove of sheave, fitting
must be clean and free of debris when greased.
Contaminating a bearing with debris while greasing can
damage the bearing.
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