Daewoo BM090, Manual

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70
Check points (operation)
Items Procedure & check point
Before operation
During operation
Stop
1. Check for V–belt tension and damage.
2. Check for fixing position of crank pulley, tension pully and clutch pully.
3. Check for clogged inlet of cooling–air and filter mat.
4. Keep compressor clean without dust or oil. If not, clean it with compressed air.
5. Check for fixing condition of bolts and nuts. If not, retighten them.
6. Check for gas–leak of connected position with leak–tester and retighten.
1. Check for operation when turning on the main switch after starting engine.
2. Check for operation of vent, cooling and unloading by using the temperature volume.
3. Check for capacity of cooling air from ducts.
4. Check for operation of high–low pressure switch.
Low pressure set : 0.5kg/cm 2 (warning light turn “on” and compressor clutch is disconnected)
High pressure set : 0.5kg/cm
2
(warning light and buzzer turn “on” and compressor clutch is disconnected)
1. Check for stopping of cooler when pushing button switch to turn off.
2. Check for stopping when turning off the main switch.