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Manitowoc Grove RT880E User Manual

Manitowoc Grove RT880E
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Grove Published 11-10-2014, Control # 524-00 9-7
RT880E SERVICE MANUAL LUBRICATION
9
WIRE ROPE LUBRICATION
Wire rope is lubricated during manufacturing so that the
strands, and individual wires in strands, may move as the
rope moves and bends. A wire rope cannot be lubricated
sufficiently during manufacture to last its entire life.
Therefore, new lubricant must be added periodically
throughout the life of a rope to replace factory lubricant which
is used or lost. For more detailed information concerning the
lubrication and inspection of wire rope, refer to WIRE ROPE
in Section 1- INTRODUCTION in the Service Manual.
LUBRICATION POINTS
A regular frequency of lubrication must be established for all
lubrication points. Normally, this is based on component
operating time. The most efficient method of keeping track of
lube requirements is to maintain a job log indicating crane
usage. The log must use the engine hourmeter to ensure
coverage of lube points that will receive attention based on
their hours operated. Other lubrication requirements must be
made on a time interval basis, i.e. daily, weekly, monthly, etc.
All oil levels are to be checked with the crane parked on a
level surface in transport position, tires on the ground, and
the suspension set at the proper ride height.
Lubrication checks must be performed while the oil is cool
and has not been operated within the past 30 minutes,
unless otherwise specified.
On plug type check points, the oil levels are to be at the
bottom edge of the fill plug hole.
All grease fittings are SAE STANDARD unless otherwise
indicated. Grease non-sealed bearings until grease is seen
extruding from the bearing. One ounce (28 grams) of EP-
MPG equals one pump on a standard one pound (0.45 kg)
grease gun.
Over lubrication on non-sealed bearings will not harm the
bearings or components, but under lubrication will definitely
lead to a shorter lifetime.
On sealed U-joints, care must be exercised to prevent
rupturing seals. Fill only until expansion of the seals first
becomes visible.
Unless otherwise indicated, items not equipped with grease
fittings, such as linkages, pins, levers, etc., should be
lubricated with oil once a week. Motor oil, applied sparingly,
will provide the necessary lubrication and help prevent the
formation of rust. An Anti-Seize compound may be used if
rust has not formed, otherwise the component must be
cleaned first.
Grease fittings that are worn and will not hold the grease
gun, or those that have a stuck check ball, must be replaced.
Where wear pads are used, cycle the components and
relubricate to ensure complete lubrication of the entire wear
area.
CraneLUBE
Manitowoc highly recommends the use of CraneLUBE
lubricants to increase your crane’s reliability and
performance. Contact your Manitowoc Distributor for
information about the Manitowoc’s CraneLUBE lubrication
program.
Safety
To lubricate many of the locations, the engine will need to be
started. After positioning areas of the unit for lubrication the
engine must be turned off and the moved areas stable before
approaching.
WARNING
Crushing Hazard!
Movement of the superstructure and the boom may
create a crushing and/or pinching hazard. Failure to
observe this warning could result in death or serious
injury.

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Manitowoc Grove RT880E Specifications

General IconGeneral
BrandManitowoc
ModelGrove RT880E
CategoryConstruction Equipment
LanguageEnglish

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