Maintenance of Ground Hop Filter.

TB 9-2300-378-14

(d) Insert one retainer into opposite holes in aluminum plate so that retainer will

hold filter assembly in place against plate.

(e) Install washer (MS27183-15) and wing nut on threaded ends of retainer. Place

o n e end of chain handle assembly and wing nut on other threaded end of

retainer.

(f) Repeat steps (d) and (e) to install second retainer.

( g ) Tighten wing nuts evenly until filter seal is uniformly compressed along

e n t i r e circumference.

(8) Installation of Ground Hop Filter.

NOTE

Prior to removal of air cleaner-to-turbosupercharger hose

a s s e m b l y , mark it with chalk or grease pencil. This will

i n d e x the hose for easy installation and ensure proper

alinement.

(a) Remove air cleaner-to-turbosupercharger hose assembly from engine.

(b) Install filter on turbosupercharger elbow.

NOTE

Engine intake openings must be plugged or taped when

filter units are not attached.

(9) Maintenance of Ground Hop Filter.

C l e a n filter element as necessary. Never

( a ) Inspect filter unit prior to use.

ground hop using a dirty filter.

(b) Keep modified hose assembly on ground hop air filter plugged when unit is not

in use to prevent dirt from entering clean air inside of filter unit.

( c ) Remove unit when ground hopping operations are discontinued to prevent

filter from being exposed to elements.

(10) Stowage. Upon completion of ground operations, perform the following:

(a) Clean ground hop filter:

WARNING

Compressed air used for cleaning purposes must not exceed

90 psi. Use only with effective chip guarding and personal

protective equipment (goggles/shield, gloves, etc.).

Direct compressed air (not to exceed 90psi) against inside of filter element.

Place each filter in duffel bag with flat end facing duffel bag bottom.

Place each air hose, with clamps into duffel bag on top filter. Close duffel

bag using snap fastener.

4-25