Impact Valve Hoses and Fittings
(2) Wrap threads on hose (8) (where it connects to
7-5.
hose bulkhead) with antiseize tape. Connect hose to hose
Replacement
bulkhead (7) and swivel (9) on drifter (10).
(3) Wrap male threads of elbow (6) with antiseize
tape. Install elbow in hose bulkhead (7).
(4) Wrap male threads of swivel (5) with antiseize
tape. Install swivel in impact valve manifold (3).
Note: Route hose behind feedshell so that it will not interfere with
drifter movement. Ensure that hose is not twisted or kinked after installa-
tion.
(5) Connect hose (4) to swivel (5) on impact valve
manifold (3) and elbow (6) on hose bulkhead (7).
(6) Connect hose (1) to impact valve manifold (3)
and swivel (2).
Air Inlet Tee and Fittings Replacement
7-6.
a. Removal.
(1) Disconnect hose (1) from swivel (2) and impact
valve manifold (3). Remove hose.
(2) Disconnect hose (4) from swivel (5) on impact
valve manifold (3) and elbow (6) on hose bulkhead (7). Re-
move hose.
(3) Remove swivel (5) from impact valve manifold
a. Removal.
(3).
(1) Disconnect crawler air hose (1) from swivel (2).
(4) Removc elbow (6) from hose bulkhead (7).
(2) Remove swivel (2) from tee (3).
(5) Disconnect hose (8) from swivel (9) on drifter
(3) Disconnect impact valve hose (4) from swivel
(10) and hose bulkhead (7). Remove hose.
(5).
(6) Remove swivel (9) from drifter (10).
(4) Remove swivel (5) and bushing (6) from tee (3).
b. Installation.
(5) Unscrew and remove gage (7) from tee (3).
(1) Wrap male threads of swivel (9) with antiseize
(6) Remove tee (3) from bushing (8).
tape. Install switch in drifter (10).
(7) Remove bushing (8) from nipple (9).
(8) Remove nipple (9) from valve manifold (10).
Note: Ensure that hose is not twisted or kinked after installation.
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