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Problem
Equipment leaks air
externally.
Equipment leaks fluid
externally from the joint
between the fluid cover
and manifold.
Equipment leaks fluid
externally from the joint
between the center
manifold and manifold.
3A8693C
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.
Loose joint between manifolds (102, 103) and
fluid cover (101).
Damaged gaskets (112, 114).
Worn or damaged gaskets (121).
Gasket (121) not installed properly.
Manifold (102 or 103) not fully installed at joint
to the center manifold (113).
Solution
Tighten screws. See page 21.
Inspect; replace. See pages 18 to 21.
Tighten screws. See page 21.
Tighten manifold bolts (120), see
Torque Sequence, page 29.
Replace gaskets (112, 114), see page
16.
Replace gaskets (121), see page 16.
Thoroughly grease the gasket (121)
and the inner diameter of the manifold
(102 or 103) before assembling
manifold.
Ensure the gasket (121) is fully
installed on the outer diameter of the
center manifold (113).
Ensure the manifold (102 or 103) is
properly aligned to the equipment.
Ensure the center manifold (113) and
manifold (102 or 103) are fully
connected at the joint.
See Reassemble Check Valves,
page 16.
Troubleshooting
15
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