Drain Valve Replacement - Graco AIRLESSCO SP400 Hi Boy Repair Manual

Drain Valve Replacement

Drain Valve Replacement
Removal
1. Relieve pressure, page 7. Disconnect power cord
from outlet.
2. Remove pin (47) from drain valve handle (46).
3. Pull drain valve handle and valve base (45) from
drain valve (44).
4. Unscrew drain valve from filter manifold (43).
5. Remove valve seat (44b) and seat gasket (44a)
from inside of filter manifold or end of drain valve.
24
44
45
47
46
Installation
1. Install new seat gasket (44a) and valve seat (44b)
on end of drain valve.
2. Screw drain valve (44) into filter manifold (43).
Torque to 120 to 130 in-lb.
3. Push valve base (45) over drain valve (44) and then
valve drain handle (46) over valve base.
4. Install pin (47) in drain valve handle. If necessary,
use a hammer to tap pin in place completely.
44a
44b
43
ti16090a
3A1181B