THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 2
Jun 1/03
3K10
37-20-00
2. Vacuum
Switches
(See 37-00-00, Figures 1 and 2.)
Two (2) vacuum switches are located below the baggage compartment floor. Each activates its
associated VACUUM INOP annunciator light when the suction from the associated pump drops below
3.5 psig.
A. Removal
(1) Disconnect the two electrical leads.
(2) Unscrew switch unit from tube assembly boss.
(3) Cap tube assembly boss to prevent foreign matter from entering system.
B. Installation
(1) Uncap tube assembly boss.
(2) Screw switch unit into tube assembly boss.
(2) Reconnect the two electrical leads.
(3) Perform vacuum system operational check.
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