fuel filters and screens frequently to keep them free of
(3) Keep the water pump and its drive well
sand and grit.
lubricated.
c. Lubrication. Make sure that all lubrication fittings
(4) Keep the fan belts adjusted properly.
are clean and clear of sand or grit before lubricating.
(5) Be sure there is no obstruction of air to the
Lubricate in accordance with LO 5-3810-227-15.
fan.
d. Revolving Frame Roller Path. Operating under
(6) If the engines become overheated from
extreme sandy or dusty conditions will require frequent
lack of water, allow them to cool before
inspections of the revolving frame roller path. Never
adding water. Let the engines run at fast
allow lubricant to collect on the roller path, as it will collect
idle when adding water.
sand and cause rollers to wear excessively or slide on
d. Batteries. Keep the batteries fully charged at all
roller path.
times.
e. Clutches and Brakes.
Inspect clutches and
e. Fuel System. Keep the fuel tank filler caps tight
brakebands frequently and blow out or wipe off
to prevent water from entering the fuel tank and fuel
accumulations of sand and dirt. Failure to keep bands
containers. Service the fuel tanks frequently to prevent
clean will result in worn bands, scored drums and
condensation in the tank and lines.
unsatisfactory operation.
f. Electrical System
f. Cables. Keep all unused cables in boxes. Clean
(1) Inspect the wiring for loose connections or
operating cables frequently to prevent excessive cable
deteriorated covering.
wear and to insure satisfactory operation.
(2) Frequent inspection is necessary to find
worn spots in the insulation which, unless
or sand, blow loose grit out of machinery or wash lubricant
repaired, allow short circuit conditions.
and foreign matter from gears and chains, and apply new
26. Operation in Salt-Water Areas
lubricant. Application of new lubricant is important to
prevent wear and maintain satisfactory operation.
electrical insulation in salt-water areas requires constant
h. Air Cleaners. Service the air cleaners more often
exercise of preventive measures. Although the wiring on
than under normal conditions.
the crane-shovel and carrier has been specially treated to
25. Operation Under Rainy or Humid Conditions
resist fungus and rot, frequent inspection is necessary.
b. Protection. Inspect the unit for rust and corrosion.
electrical insulation in humid or rainy areas require
Rust and corroded conditions at any point on the unit
constant exercise of preventive measures.
must be corrected immediately. Remove all rust, and
b. Lubrication. Inspect gear cases, crankcases, and
paint the bare surfaces. Place a light film of lubricant on
lubrication fittings to see that no water has entered the
polished or machined metal surfaces.
gearcase or crankcase. If there is water at all in the
Caution:
gearcase or crankcase, drain and refill in accordance with
Use only clean fresh water when filling
LO 5-3810-227-15.
the radiator.
Do not use salt or
c. Cooling System.
mineral water solutions In the system,
(1) Make sure the system is clean and free
except in an emergency.
flowing.
c. Fuel Systems. Keep fuel tank filler caps tight to
(2) Keep the coolant level in the radiator as
prevent any salt water from entering the fuel tank and
high as possible.
containers.
Service the fuel filters and screens
frequently.
AGO 6819A
37
