Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 655 / 1956

PAGE 5
Feb 28/07 3H15
29-10-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
(12) Separate upper and lower manifolds, if necessary, by removing lockwire, four screws, and
washers.
(13) Remove and discard O-rings between upper and lower manifolds.
D. Assembly (See Figures 3, 4, and 5.)
WARNING: USE MEK IN WELL-VENTILATED AREA. KEEP AWAY FROM FLAME OR HEAT.
AVOID CONTACT WITH SKIN OR EYES.
CAUTION: DO NOT SOAK ELECTRICAL PARTS.
CAUTION: DO NOT REUSE LOCKWIRE OR O-RINGS. COAT REPLACEMENT O-RINGS WITH
HYDRAULIC FLUID.
(1) Check and replace parts as needed. If necessary, clean with MEK or other suitable solvent.
(2) Replace O-rings between upper and lower manifolds. Secure manifolds with screws and
washers. Torque 45 - 55 in.-lbs. in a crossing pattern in four steps: 20, 30, 40 and 50 in.-lbs.
Install lockwire.
(3) Install pump, oil deflector, four screws, and washers. Take care in aligning. (See Figures 4 and
5.) Torque screws 10 - 14 in.-lbs. Secure with lockwire.
(4) Install pressure relief valves and O-rings. Torque 65 - 70 in.-lbs.
(5) Replace O-rings at intake filters. Install intake filters. Secure with retaining rings.
(6) If replacing sight glass, install gasket, glass, and cover onto reservoir with four screws. Torque
8 - 12 in.-lbs.
(7) Install O-ring onto upper manifold.
(8) Install reservoir. Align carefully on manifold. (See Figures 4 and 5.)
(9) If cap plate and motor have been separated:
(a) Install new shaft seal onto cap plate.
(b) Assemble cap plate to motor with four screws, washers, and seals.
(c) Torque 25 - 35 in.-lbs.
CAUTION: DO NOT ALLOW LOCKWIRE TO INTERFERE WITH MOTOR SHAFT.
(d) Lockwire screws. (See Figure 5.)
(10) Install O-ring on cap plate assembly.
(11) Install coupler onto hydraulic pump shaft.
(12) Align cap plate bolts with threaded inserts of upper manifold. Lift plate and turn coupler so that
slot aligns with motor shaft.
(13) Install cap plate assembly onto reservoir so that coupler and motor shaft engage. Align bolt
holes with threaded inserts.
(14) Secure with bolts and washers. Torque 25 - 35 in.-lbs. Secure with lockwire.
(15) Install O-ring in air vent assembly. Secure air vent to cap plate assembly with bolt and washer.
Torque 25 - 35 in.-lbs. Secure with lockwire.
(16) Replace O-rings for pressure switches. Install pressure switches. Torque pressure switches 65
- 70 in.-lbs.
(17) Install O-rings for elbow fittings. Thread elbow fittings into UP and DOWN ports in lower
manifold so that fittings point downward. Torque nut to 65 - 70 in.-lbs.