Absolute Pressure Regulator Removal; Absolute Pressure Regulator Installation - Piper Cheyenne IIIA Airplane Maintenance Manual

BELLOW
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
A. Pressurization Control (continued)
8. Absolute Pressure Regulator Removal
(a) Remove trim panel in front of pressure regulator (located on rear pressure bulkhead).
(b) Disconnect lines from regulator.
(c) Remove three attaching screws from regulator.
(d) Remove regulator from mounting bracket.
9. Absolute Pressure Regulator Installation
(a) Install regulator into mounting bracket.
(b) Install three attaching screws and tighten.
(c) Connect lines removed from regulator.
(d) Install trim panel on rear pressure bulkhead.
CABIN
INBLEED
CONTROL
PORT
Absolute Pressure Regulator
Figure 6
EFFECTIVITY:
040-999
21-30-00 Jan 10/90
21-30-00
Jan 10/90