Removal And Installation Of Hydraulic Lines; Hydraulic Filter View; Hydraulic Filter Removal And Installation - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
205
2
7
8 9 10
1. BOY., FILTER
2. "O" RING SEAL
9. SCREW PRESSURE
6-144.
HYDRAULIC
LINES.
6-145. 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
6-22 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 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.
NOTE
Some hydraulic lines are not interchangeable. Refer to parts
catalog for correct replacement part numbers.
6-146. HYDRAULIC FILTER.
6-147. REMOVAL AND INSTALLATION OF HYDRAULIC FILTER. The hydraulic filter. located on
the lower right forward side of each engine firewall. is removed by the following procedure:
a. Remove the lower engine cowl and the right access plate on the engine nacelle aft of the firewall.
b. Disconnect the filter inlet hose and the outlet line from the filter.
c. Remo e the filter from the firewall by holding the bolts at the aft side of the firewall 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.
Revised: 10/5/83
2D3
HYDRAULIC SYSTEM
2D3