Figure 3-31. Carburetor, adjustment.
necessary lines and fittings to connect components. The
tain 4 psi (pounds per square inch) pressure. If no cap
thermostat regulates the flow of coolant pumped through
tester is available and the cap is suspected of leaking,
the engine block by the pump. Drain valves are located
replace the cap.
on each side of the engine to drain the radiator and
b. Radiator and Radiator Cap.
(2) Removal. Before removing the radiator,
open both coolant drain valves. Drain all coolant from the
(1) Test. If available, test the radiator cap on a
radiator and engine block before removing the radiator.
The cap should re-
radiator as follows.