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Snow groomer BISON
14
Storing and taking the vehicle out of service
14.1
Taking the engine out of service
NOTICE
►
If an engine is not used, oil can run off the following parts that normally receive lubrication: cylin-
der walls, piston rings, main bearings, connecting rod bearings, crankshaft and gears.
►
Lack of lubricant allows corrosion to begin to appear on the metal. This corrosion is worse in
areas of high humidity.
►
When the engine is started again, metal to metal contact will cause wear before the surfaces
receive oil. To minimize this wear, use the starter to turn the engine with the ECM fuse (F86)
removed to prevent engine start. When oil pressure is shown on the pressure gauge, reinstall
the ECM fuse and start the engine.
■
Storage (for less than one year)
1.
Clean engine of any dirt, rust, grease and oil. Inspect the exterior. Paint areas that have paint
damage with a good quality paint.
2.
Apply lubricant to all points shown in the Lubrication table.
3.
Drain the crankcase oil. Replace the oil and change the oil filters. Add VCI oil to the crankcase
oil. The volume of VCI oil in the crankcase should be 3 % to 4 %.
If the engine crankcase is full, drain enough engine oil so the mixture can be added.
4.
Remove the air filter cartridges. Turn the engine at cranking speed (remove fuse in position
F86 in the cab prior to crank). Use a sprayer to add a mixture of 50 % VCI and 50 % engine oil
in to the air inlet or turbocharger inlet.
The mixture of VCI oil can be added to the inlet by removing the plug for checking turbocharg-
er boost pressure. The minimum application rate for the VCI oil mixture is 5.5 ml/l (3 oz/
1000 cu in)of engine displacement.
5.
Use a sprayer to apply a mixture of 50 % VCI oil and 50 % crankcase oil into the exhaust
openings. The minimum application rate for the oil mixture is 5.5 ml/l (3 oz/1000 cu in) of en-
gine displacement. Seal exhaust pipe and seal any drain holes in the muffler.
6.
Loosen the engine belt.
7.
Remove the fuel nozzles. Apply 30 ml (1 oz) of the mixture of oils (50 % VCI oil and 50 %
engine oil) into each cylinder. Use a bar or a turning tool in order to turn over the engine slow-
ly. This procedure puts the oil on the cylinder walls. Reinstall all fuel nozzles and tighten to the
correct torque.
Step 7 is optional and should only be performed by a qualified technician.
8.
Attach a tag to the engine and to the ignition switch in the cab with a notation of the date that
the unit was preserved.
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Cooling Systems
Cooling systems should be preserved with Caterpillar coolant or equivalent. Caterpillar coolant con-
tains the necessary inhibitors to prevent corrosion and pitting. When used in the proper mixture, the
coolant will prevent damage due to rust and freezing.
1.
Determine the proper coolant for the engine.
2.
Prepare the proper mixture.
3.
Fill the radiator completely full to prevent rusting of the top tank.
BISON 908930245 - 30367
14 - Storing and taking the vehicle out of service
Operating and Maintenance Manual
199
(255)
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