Lesson 2/Learning Event 3
SAMPLING METHODS
To take an oil sample using the valve method shown in Figure 19--
1.
Remove dust cap assembly.
2.
With the engine idling, open (lift handle) sampling valve and drain
out about a pint of oil; then shut off sampling valve.
NOTE:
if sampling valve is mounted directly to the pressurized gallery, no
draining is required.
3.
Place sample bottle under valve and fill to 1/2 inch from top, and cap
bottle.
4.
Return drained oil to reservoir.
FIGURE 19.
SAMPLING VALVE METHOD
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