Piper ARROW III Service Manual

3B16
TABLE XIV-IV. TROUBLESHOOTING CHART (AIR CONDITIONER)
Gauge Indication Probable Causes Remedy
High discharge pressure. Overcharge of refrigerant. Purge excess refrigerant.
Air in system. Check for leaks. Bleed
charge from system.
Evacuate and recharge
system 14-13 and 14-14.
Overheated condenser Clean bugs and dirt from
due to blocking air condenser fins. Straighten
passage. fins if bent.
Flooded evaporator Check that capillary bulb
indicated by heavy is securely clamped to
frosting on suction suction line. If capillary
line and compressor bulb OK, replace expansion
suction service valve. valve.
Restriction in liquid Check for kinked hoses
line from condenser. and stopped up filter.
Low discharge pressure. Undercharge of refrigerant. Add refrigerant until bubbles
Sight glass shows bubbles disappear. Check system leaks
or foam. 14-17, 14-10 and 14-11.
Damaged compressor Replace compressor,
valves or dirt under 14-18.
valves.
Damaged compressor. Replace compressor,
Worn or broken piston 14-18.
or piston rings.
CHEROKEE ARROW III SERVICE MANUAL
ACCESSORIES AND UTILITIES

Piper ARROW III Specifications

General

Manufacturer	Piper Aircraft
Model	ARROW III
Engine	Lycoming IO-360-C1C6
Horsepower	200 hp
Maximum Takeoff Weight	2, 750 lb (1, 247 kg)
Seating Capacity	4
Propeller	2-blade, constant speed
Length	24 ft 7 in (7.49 m)