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OM-2053
NOTE: Conductor size recommended for AC output is 2/0 size. Use No. 12 size for control (E and
F terminals).
Large cables (A, B, C, N) should be equipped with terminals having at least a 3/8-inch diameter
mounting hole. Mounting hole in small leads (E and F) should be at least 1/4-inch diameter.
(5) Remove the terminal cover on the load side of the contactor and connect the phase cable terminal
lugs to the appropriate terminal studs on the contactor: cable lug "A" to terminal stud "A", "B" to "B",
and "C" to "C".
(6) Connect the cable's neutral terminal lug securely to the neutral (ground) stud on the side of the
load contactor mounting bracket.
(7) Tighten terminal nuts securely and replace the terminal cover on the load contactor. Connect small
plug interlock leads "E" and "F" to terminal "E-F" on the side of the load contactor mounting bracket.
(8) Tighten clamp screws securely on the left side of the unit, but avoid damage to cable insulation.
(9) Replace lexan cover over load contactor.
2. Preparation for Storage
When a generator set is to be stored or removed from operation, special precautions should be taken to
protect the internal and external parts from rust, corrosion, and gumming in the engine fuel system.
A. General
(1) The unit should be prepared for storage as soon as possible after being removed from service.
(2) The unit should be stored in a building which is dry and which may be heated during winter
months.
(3) Moisture absorbing chemicals are available for use where excessive dampness is a problem, how-
ever the unit must be completely packaged and sealed if moisture absorbing chemicals are to be ef-
fective.
B. Temporary Storage When storing the unit for 30 days or less, prepare as follows:
(1) Lubricate the unit completely in accordance with instructions in Sect. 2-1. This will include chang-
ing engine oil, and all filter elements.
(2) Start the engine and operate for about two minutes so that all internal engine components will be
coated with new oil.
NOTE: Do not drain the fuel system or crankcase after this run.
(3) Make certain the cooling system antifreeze solution is adequate to protect below the lowest tem-
peratures expected during the storage period. See 2-1; Para. 7, D. Be sure the solution is thoroughly
mixed.
(4) Clean the exterior of the engine with fuel oil. Dry with clean rags and compressed air.
(5) Seal all engine openings. Use a waterproof, vaporproof material which is strong enough to resist
puncture damage from air pressures.
C. Long Time Storage (Over 30 Days)
(1) The unit may be stored for long periods with no special preparation if it is possible to operate the
engine once each week.
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March 20/89
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Table of Contents
Troubleshooting
