Owner's Manual for Thern 5PA5 and 5PA10 Ensign Series Portable Davit Cranes
page 10
A11577I-0617
3.1
Cleaning the Crane
Clean the crane to remove dirt and help prevent rust and corrosion.
3.1.1
CLEAN THE CRANE every six months or whenever it is dirty.
a
WIPE ALL EQUIPMENT to remove dirt and grease.
b
LEAVE A LIGHT FILM of oil on all surfaces to protect against rust and
corrosion.
c
WIPE OFF excessive amounts of oil to avoid the accumulation of dirt.
3.1.2
REMOVE UNNECESSARY OBJECTS from the area surrounding the
crane.
3.2
Lubricating the Crane
Lubricate the crane properly to help protect it from wear and rust. Read the
following instructions carefully.
3.2.1
LUBRICATE ALL PINS before installation and at least every 3 months. Use
a grease brush to apply a light film of NLGI #2 grease to all pins.
3.2.2
LUBRICATE THE BASE PIN located at the bottom of the base before
installation and at least every 3 months. Use a grease brush to apply a film of
NLGI #2 grease to the pin.
Not required with 5PA5 model.
3.2.3
LUBRICATE THE MAST BEARING located on top of the base before
installation and at least every 3 months. Use a grease gun to apply NLGI #2
grease to the grease fitting on the bearing.
Not required with 5PA5 model.
3.2.4
LUBRICATE THE BOOM ADJUSTMENT SCREW before installation and
at least every 3 months. Apply a light film of anti-seize compound to the
screw threads. Wipe away any excess lubricant.
3.2.5
LUBRICATE THE WINCH. Refer to the Winch Owner’s Manual for
instructions.
3.2.6
LUBRICATE THE WIRE ROPE and other equipment by following the
manufacturers recommendations.
Important!
Increase the frequency of
maintenance procedures if the
crane is:
• Operated for long periods.
• Used to lift heavy loads.
• Operated in wet, dirty, hot, or
cold surroundings.
Important!
• Make sure lubricant has a
temperature rating appropriate
for the ambient temperatures of
the operation.