Hydraulic Filter - Piper Navajo PA-31 Service Manual

PIPER NAVAJO SERVICE MANUAL
205
2
3
4
6
7 8 9 10
1. BODY, FILTER
2. "O" RING SEAL
3. "O" RING SEAL
4. FILTER
5. SPRING
6. BOWL
7. VALVE, BY-PASS
8. SPRING
9. SCREW, PRESSURE
10. "O" RING SEAL
Figure 6-33. Hydraulic Filter
6-148. HYDRAULIC LINES.
6-149. REMOVAL AND INSTALLATION OF HYDRAULIC LINES. Remove a damaged hydraulic line
by disconnecting the fittings at each end and by disconnecting where secured by brackets. Refer to Figure
6-28 as an aid in the location of attaching brackets and bends in the lines. Provide a small container for
draining the line. Install a new or repaired line in reverse order and refill the Power Pack with hydraulic
fluid in accordance with Filling Hydraulic Reservoir, Section II.
NOTE
Where straight thread type fittings are used, the locknuts are to be
tightened so that the "O" ring seals are on the non-threaded
portion of the fitting.
6-150. HYDRAULIC FILTER.
6-151. REMOVAL AND INSTALLATION OF HYDRAULIC FILTER. The hydraulic filter, located on
the lower right forward side of each engine fire wall, is removed by the following procedure:
a. Remove the lower engine cowl and the right access plate on the engine nacelle aft of the fire wall.
b. Disconnect the filter inlet hose and the outlet line from the filter.
c. Remove the filter from the fire wall by holding the bolts at the aft side of the fire wall and
turning off the nut at the filter.
d. The filter may be installed in the reverse procedure.
e. After engine has been operated, check for leaks.
Reissued: 10/12/79
HYDRAULIC SYSTEM
2D16