Engine Accessories - Hobart 6921 Series Operation And Maintenance Manual

OM-2040 / Operation and Maintenance Manual
90D20 / Generator Sets
(5) Change oil filter element
a. Provide a container for catching used oil if the vessel used for draining the crankcase is not
sufficiently wide to serve both operations.
b. Release cartridge (1,Fig. 3) with a wrench and screw off by hand.
c. Clean sealing surface (3).
d. After slightly oiling the rubber gasket (2), screw new cartridge in place by hand until gasket is
evenly seated. Give the cartridge a final half turn.
e. After the oil change is complete and the filter replaced, start the engine and check the
shell-to-gasket joint for possible oil leaks.
f. Engine Accessories
See Figure 1 for identification of engine and accessories lubrication points, intervals, and lubricants.
(1) Starter
The starting motor is lubricated at assembly and should be re-lubricated only when the starter is
removed from the engine or when disassembled.
Remove pipe plugs on outside of motor and apply a few drops of light engine oil to the oil wicks.
February 28/94 Revised
1. Cartridge
2. Gasket
3. Sealing surface
4. Filter Element
Main Cartridge Oil Filter
Figure 4
Chapter 2-1
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