Graco Aluminum Husky 2150 LP Instructions Manual page 15

Problem
Equipment leaks air
externally.
Equipment leaks fluid
externally from flapper
check valves.
3A8693B
Cause
Air valve cover (2) or air valve cover screws
(3) are loose.
Air valve gasket (4) or air cover gasket (22) is
damaged.
Air cover screws (3) are loose.
Over-torqued center manifold bolts (120),
causing the joint between the fluid cover (101)
and manifolds (102, 103) to separate.
Or loose joint between manifolds (102, 103)
and fluid cover (101).
Damaged gaskets (112, 114).
Solution
Tighten screws. See page 21.
Inspect; replace. See pages 18 to 21.
Tighten screws. See page 21.
Loosen manifold center bolts (120).
Tighten manifold bolts (120), see
Torque Sequence, page 29.
Retorque manifold center bolts (120).
See Torque Sequence, page 29. Do
not overtighten.
Replace gaskets (112, 114), see page
16.
Troubleshooting
15