PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 2
Nov 30/06
2C10
21-20-00
(f) Position blower fan on motor shaft and secure with set screw.
(g) Position hose duct on blower assembly and secure with screws, washers, and nuts. Install
screws with heads inside duct.
(h) Clean old sealant from all surfaces where duct attaches to blower assembly.
(i) Seal all surfaces where duct attaches to blower assembly with Sealant, Airframe and
Window (see 91-10-00, List of Consumables).
(4) Installation
(a) Position blower assembly in hangers and retainer. Install washers and screws.
(b) Secure blower assembly to hanger braces nuts, washers, and screws.
(c) Seal all hose joints with 3M 390 Duct Tape.
(d) Install inlet and outlet hoses. Secure with clamps.
(e) Ensure master switch is OFF. Connect plug and receptacles to blower.
(f) Check blower for proper operation.
(g) Install access door to aft wall of baggage area. Secure with attaching hardware.
NOTE: Pin number 1 is at pointed side of plug and receptacle.
2. Avionics Cooling Blower (See Figure 1.)
The avionics cooling blower is installed behind the instrument panel on the fuselage side wall. On the
right side in early airplanes and on the left side in the later ones. The cooling air is directed through ducts
to installed avionics equipment.
NOTE: Actual equipment served will vary depending on optional equipment installed.
A. Removal
(1) Remove ducts from top of blower. (Ducts are held in place by Ty-Raps.)
(2) Disconnect blower motor wires at connector.
(3) Remove screws, washers and nuts that attach the blower assembly to its mounting bracket.
B. Installation
(1) Attach the blower assembly to the mounting bracket with the screws, washers and nuts.
(2) Reconnect the blower motor wires.
(3) Attach the ducts to the tops of the blower assembly. Ensure that the duct ends overlap the
ports on top of the blower one-half inch minimum. Secure with Ty-Raps.
1482-22-1 Dukes
24 VOLT MOTOR WIRES AIRCRAFT WIRES
Pin Nos. Aircraft Harness Pin Nos.
Ground 1 Green AC26A 1
Low Speed 2 Red AC8A 2
High Speed 2 Orange AC10A 2
CHART 1
BLOWER SYSTEM WIRE COLOR CODES
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