BRACKET ASSEM. 7N4591 - Caterpillar

Storage in an unsheltered environment
It is not recommended to store the generator in an unsheltered location.If storage at an unsheltered location cannot be avoided, the generator must be packed as follows:
in addition to the package recommendations for internal storage, the packaging should be covered with a protection against dust, moisture and other foreign materials, using for this purpose a tarpaulin or sturdy plastic
position the package on platforms or foundations that ensure protection against soil moisture, prevent the package from sinking into the ground
once the generator is covered, a shelter should be erected to protect against direct rain, snow, or excessive heat from the sunSpace Heater
Space heaters (if equipped), should remain energized during the storage period to avoid condensation of moisture inside of the generator and thus ensure that the insulation resistance of the windings remains at acceptable levels.Insulation resistance
During the storage period, the insulation resistance of the windings of the stator and exciter rotor of the generator must be measured and recorded every 3 months prior to installation of the generator.Any decrease in value of insulation resistance should be investigatedExposed machine surfaces
All exposed machined surfaces are protected at the factory with a temporary protective agent (rust inhibitor). this protective coating must be reapplied at least every 6 months, or when the package is removed and/or damaged.Bearings
Shielded bearings (frame up to 315)
During the storage period, every 2 months, the locking device of the shaft should be removed and rotated manually to distribute the grease inside the bearing and keep the grease in good condition. If the generator is kept in storage for a period greater than 2 years, the bearings should be replaced.Terminal box
When the insulation resistance of the windings of the generator is measured, the main terminal box and the other terminal boxes should also be inspected. Ensure the following:
the inside must be dry, clean, and free of dust deposition
the contacts must not be corroded
the seals should be in proper condition
the inlet of the cables must be sealed properly in accordance with the degree of protection of the machineIf any of these items is not correct, cleaning or replacement of parts should be performed.Inspection and records during storage
The generator stored should be inspected periodically and inspection records must be filed.The following aspects must be inspected:
physical damage
cleaning
signs of water condensation
conditions of the protective coating of machined surfaces
conditions of paint
signs of harsh agents
satisfactory operation of the space heater (if equipped). It is good practice to install an alarm or signaling system on site for detecting power interruption of the space heaters.
register the temperature and humidity surrounding the machine, the temperature of the winding insulation resistance and the rate of polarizationPreparation for operation start
Make sure the bearings used for lubrication and cavities are free from dirt and properly sealed.Cleaning
the inside and outside of the generator must be free of oil, water, dust, and dirt
remove the rust inhibitor of the exposed surfaces with a cloth soaked in a petroleum-based solventMaintenance plan
Table 1
    Monthly     Every 2 months     Every