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4-20.3 Engine Crankcases
install block heaters in engine crankcases. These can be operated off the floodlight set generators. If block heaters
cannot be utilized, run the engines routinely.
4-20.4 Hoselines
if extremely cold, the hoselines may become stiff and more brittle. Special care should be taken not to bend too sharply
or drive over them in this condition.
4-20.5 To help prevent snow accumulations in operating areas and on equipment under blowing snow conditions, it is
recommended that snow fences be erected at appropriate locations.
4-20.6 Gasket material will be stiffer and more brittle. Take care not to install gaskets that have been damaged on this
account.
4-20.7 When not in use, it will be of help to spread tarpolines over the equipment to keep snow off. The tarps must be
removed before commencing operations.
4-20.8 Remove snow accumulations in areas of operation and vehicle traffic.
4-20.9 Spread sand and salt in icy areas, particularly around operating equipment and in the fuel dispensing areas.
4-20.10 if operations in extreme cold are necessary, provide heated enclosures where personnel can get warm before
returning to the job. Obviously, key operating positions cannot be vacated without prior relief by another qualified
person.
4-21 Operations in Extreme Heat
The following precautions should be taken under conditions of extreme heat.
4-21.1 Fuels, particularly motor gasoline, will vaporize more readily. This can result in more venting at the tank vents
and thus special care must be taken to avoid vent fires.
4-21.2 In extreme heat, fuels that are in storage for a long time will gas off a lot of vapor and possibly go off
specification. The gravity should be checked before dispensing for use.
4-21.3 Engine operating temperatures must be watched closely. Make sure cooling systems are clean and operating
efficiently.
4-21.4 When appropriate, provide sun shelters for personnel.
4-22 Operations in Blowing Sand and Dust
The following precautions should be taken under conditions of blowing sand or dust.
4-22.1 Regularly remove accumulations of sand and dust from equipment and within tank berms.
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