Piper SARATOGA PA-32-301 Maintenance Manual page 141

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
MAGNETIC CLUTCH INSTALLATION. (Refer to Figure 21-13.)
1. Position the field assembly against the compressor bosses, with the electrical leads to the cylinder side
of the compressor.
2. Secure the field assembly with four capscrews and lock washers, do not torque at this time.
. Connect the electrical lead from the field assembly.
- NOTE -
The compressor shaft must be clean and free from burrs.
4. Slide the pulley assembly over the field assembly and onto the crankshaft. now torque the field
assembly 85 to 120 inch-pounds. Then secure pulley assembly with washer and new self-locking capscrew.
Torque the capscrew to 180 to 240 inch-pounds.
-NOTE
-
If the clutch is not engaged while tightening the capscrew, insert a
spanner into the holes provided in the armature face.
5. Spin the pulley by hand to check for any interference between the field and rotor pulley assemblies. A
rubbing noise can be heard as the pulley rotates if there is interference. The rotor pulley assembly must be
remo ed and the mounting of the field assembly adjusted until the interference is eliminated.
REFRIGERANT LINES AND ROUTING.
The refrigerant lines in this aircraft are flexible high pressure hoses and should be handled accordingl.
The hoses in the power plant area are routed so as to prov ide maximum protection from the heat and abrasion.
They couple at the fire w all to hoses routed through the two inboard, external hat section on the bottom of the
fuselage. up through the floor to the condenser and evaporator in the tail cone. The discharge is in the right
hand section and the suction in the left.
- NOTE
-
Before any of the hose couplings are uncoupled, the system must be
completeel discharged. (See Discharging.)
21-58-10
Page 21-35
1
F21
Revised: August 11. 1983
1F21