MAINTENANCE CD5520/YB5520 OPERATOR MANUAL
6-14 Published 07-06-2017, Control # 406-03
3. Extend boom to position the wear pad access holes
directly above the wear pads on the fourth boom section,
apply grease to the pads using the brush or gun.
4. After grease is applied to all wear pads raise the boom to
the maximum angle and slowly extend the boom to full
extension and slowly retract completely.
5. Repeat steps 1-4 three times to ensure the boom is fully
lubricated.
Side and Bottom Boom Wear Pad
Lubrication
1. Fully extend and set the outriggers.
2. Lower the boom to horizontal.
3. Fully extend the boom and apply grease to the side and
bottom of the 2
nd
and 3
rd
sections with a brush.
4. Raise the boom to about 75° and retract the boom
5. Extend and retract the boom several times until the
grease is evenly spread.
6. Repeat steps 1-3 as necessary to ensure the boom is
fully lubricated.
Lubricate Parking Brake
Apply grease to the fitting on the parking brake. See section
on Lubrication for grease type.
Heater/Air Conditioner Filter
Remove thumb screws to access filter. Clean filter with
compressed air or with mild soap and water. Replace torn or
damaged filter.
100 HOURS OF OPERATION AND OVER
For maintenance and inspections to be performed for 100
hours or over refer to the Service Manual.
For additional engine maintenance guidelines, see the
engine manual furnished with this crane.
CARWELL
®
RUST INHIBITOR
Protecting Cranes From Rusting
Manitowoc Crane Group's cranes are manufactured to high
quality standards, including the type of paint finish
demanded by today's industry. In partnership with our paint
supplier, we are also doing our part to help prevent
premature corrosion of cranes.
Grove cranes will be treated with a rust inhibitor called
Carwell
T32-CP-90. While a rust inhibitor cannot guarantee
that a machine will never rust, this product will help protect
against corrosion on Grove cranes that are treated with this
product.
Carwell is a treatment, not a coating. It contains no silicones,
solvents, CFCs or anything that would be classified as
hazardous under OSHA Regulation 29CRF-19-10.1200. The
product is a liquid blend of petroleum derivatives, rust
inhibitors, water-repelling and water-displacing agents.
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