With the valve closed, make sure the trip rod is pushed fully into its sleeve, then lock the trip rod in this position by tightening the thumbscrew in the clutch top.
Slide Valve Thief: Open the valve by pulling it outward until the clutch pin holds it open. Internal Valve Thief: Open the valve by pushing the lever down until the cock pin holds it open.
Put the bail assembly hook into the slot at the top of the trip rod sleeve.
Slowly lower the oil thief to the desired level in the tank.
Give the lowering line an abrupt upward jerk. This should trip the valve closed, making the sample ready for retrieval from the tank.
TANK BOTTOM BUMP CLOSURE
Set the trip rod so its bottom end is at least 1/4 inch below bottom of oil thief, or extended to the desired sample height from bottom of tank.
Slide Valve Thief:Lock the trip rod securely in set position by tightening the thumbscrew in the clutch top. Internal Valve Thief:Lock the trip rod securely in set position by tightening the thumbscrew in the valve cock.
Open the valve.
Lower the oil thief in a continuous motion until it bumps the tank bottom and trips the valve closed. Sample is now ready for retrieval.
*All repairs must be sent back to factory for warranty to remain effective.