EXPANSION TANK ASSEMBLY REPLACEMENT (CONT).
Follow steps (1) through (3) if expansion tank is being replaced.
If removed, install data plates (page 4-157).
If removed, install low oil indicator (page 4-194).
Install fill cap (58) on expansion tank (4).
Position gasket (57) on flange (51).
Position gasket (56) on flange (47).
To avoid personnel injury, use a hoist or get assistance when lifting components that weigh more than 50
lbs. (23 kg). Ensure all chairs, hooks, slings, etc., are in good condition and are of correct capacity.
Ensure hooks are positioned correctly. Always use a spreader bar when necessary. The lifting hooks
must not be side loaded.
Using a lifting device, and with the aid of an assistant, position expansion tank (4) over Heater (55).
Lower expansion tank (4) ensuring that conduit (38) is behind overflow tube (59) as tube passes through
Install six washers (54), lock washers (53) and nuts (52) on Heater (55). Do not tighten nuts.