Piper Lance II User Manual

LANCE
II
SERVICE
MANUAL
COMPRESSOR
VALVE
(SCHRADER
CHARGING)
INLINE SERVICE VALVE (SCHRADER)
Figure
14-2. Service
Valves
14-6. SERVICE
VALVES. The purpose
of the service
valve is to
service the air
conditioning system.
(Testing, Bleeding,
Evacuating and
Charging). This aircraft
is equipped
with service
valves mounted in the suction and discharge
lines of the evaporator assembly.
These valves
are the "2" position type Schrader valves.
All normal air conditioning service
should be
performed at the evaporator
assembly mounted valves.
NOTE
Service valves
are also located on the
compressor. However,
use of these valves in
servicing is not recommended.
NOTE
If a Schrader service valve is not serviceable, the core
assembly must be replaced.
14-7.
SERVICE VALVE
REPLACEMENT.
The valves on the
compressor are sealed
with a
gasket placed in the
valve port boss. Lubricate the gasket
with refrigerant oil of the type
used in the compressor, place the valves
with the tube fitting facing aft and
secure with .312
bolts, torque to 15-23 inch pounds.
NOTE
Whenever
the air conditioning refrigerant
lines or system
is
opened
for any reason, the
lines and fittings should
be
capped and sealed immediately
to prevent dirt
and other
contaminants from entering the system. (It is not advisable to
put a plug into the hoses or fittings.)
Issued: 1/3/78 2J24
ACCESSORIES
AND UTILITIES

Piper Lance II Specifications

General

Manufacturer	Piper Aircraft
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Crew	1
Horsepower	300 hp
Seats	6
Length	27 ft 7 in (8.41 m)
Capacity	5 passengers