Page text (OCR transcript)
9. INSUFFICIENT COMPRESSION
Condition: Does not cool
Symptom seen in refrigeration system | Probable cause | Diagnosis | Remedy
Pressure too high at low pressure side | Internal leak in compressor | Compression defective ↓ | Replace compressor
Pressure too low at high pressure side | | Valves leaking or broken, sliding parts (piston, cylinder, gasket, connecting rod, etc.,) broken |
SPECIAL TOOLS AND TEST EQUIPMENT
Tool | SST No. | Use
Manifold gauge set | 07110-78010 | To evacuate and charge system
Ohmmeter | | To check magnetic clutch
Magnetic clutch tool set | 07110-77011 | Includes the following 8 tools
Pressure plate remover | 07112-71010 | To remove pressure plate
Shaft plate remover | 07112-15010 | To remove shaft plate
Shaft seal remover | 07114-15010 | To remove shaft seal
Shaft plate installing tool | 07112-25010 | To install shaft plate
Hexagon wrench set | 07110-61050 | To remove service valves and front housing
Key press tool | 07114-45010 | To install key
Snap ring pliers | 07114-84020 | To remove pressure plate
