5-2.
Impact Valve and Manifold Replacement
a.
Removal.
(1)
Remove two screws (1). Remove impact
valve (2) from manifold (3).
(2)
Remove two O-rings (4) from impact valve
(2) or manifold (3). Discard O-rings.
(3)
Tag
and
disconnect
hose
(5)
from
manifold (3).
(4)
Tag and disconnect hose (6) from swivel
(7).
(5)
Remove swivel (7) from manifold (3).
(6)
Remove two nuts (8), lockwashers (9),
and bolts (10). Remove manifold (3) from bracket (11).
Discard lockwashers.
(7)
Remove plug (12) from manifold (3).
b.
Installation.
(1)
Wrap threads on plug (12) with antiseize
tape. Install plug in manifold (3).
(2)
Install manifold (3) on bracket (11) using
two bolts (10), new lockwashers (9), and nuts (8).
(3)
Wrap male threads on swivel (7) with
antiseize tape. Install swivel in manifold (3).
(4)
Connect hose (6) to swivel (7). Remove
tag.
(5)
Connect hose (5) to manifold (3). Remove
tag.
(6)
Install two new O-rings (4) in impact valve
(2).
(7)
Install impact valve (2) on manifold (3)
using two screws (1).
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