EXHAUST GP 4542099 - Caterpillar

Clutch Adjustment: The clutch adjustment should be checked by moving the clutch control lever to the engaged position. It should go in with a distinct snap, and should require a reasonably hard push.
BILGE PUMP CLUTCH ADJUSTMENT
1-Screw. 2-Adjusting collar.To adjust, disengage the clutch and loosen the screw (1). Turn the adjusting collar (2) a few degrees in a clockwise direction; then tighten the setscrew before testing for correct adjustment. Packing Adjustment: With the pump in operation tighten the pump shaft packing by tightening the nuts (1) until the leak stops. The packing should be only tight enough to stop any leak, but not tight enough to bind the shaft.
PACKING ADJUSTMENT
1-Nuts. Priming and Draining: When it becomes necessary to prime the pump remove the plug (1) on the front face of the pump and pour water into the pump with the pump not operating. Replace the filler plug and engage the clutch.A line with a shut-off cock may be connected to the pump in place of the plug (1) and the other end of the line to a water supply for the purpose of priming the pump.
PRIMING AND DRAINING
1-Filler plug. 2-Drain cock.The pump should be drained when the boat is to be left in storage, or at the end of a day's run in freezing temperatures. To drain the pump open the drain cock (2).Open the shut-off cock, if so equipped, to allow the water to drain from the priming line when draining the pump.