TEST OR INSPECTION
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Valve operations must be checked by observing rotation of 7/16 in. hex at end of valve
drive assembly worm gearshaft for Step 3.
TANK FILL & RE-CIRCULATING LINE valve control will indicate THROTTLED with a
yellow indicator when valve is partially opened or closed.