Mityvac MV4560 COOLING SYSTEM TEST KIT - Manual (Page 9)

Form 801625 Page Number - 9
hose clamp that gives a false sense of tightness, may only
be noticeable during cool down.
Caution: This equipment is not designed to release pres-
sure from a hot engine. Do not press the pressure relief
lever, or attempt to disconnect the pump or adapter until
the engine is completely cool. Doing so will allow hot fluid
to be released, possibly causing severe personal injury.
10. When testing is complete and the engine is cool, release
any remaining pressure in the system by pressing the
Pressure Relief Lever located on pump (Fig. 10).
11. Repair leaks if necessary, and retest.
12. Disconnect components, clean and store them properly.
13. Refill the radiator or coolant bottle to the proper level, and
replace the cap.
Fig. 10