Oil Pressure Does Not Increase; Air Pressure Does Not Increase Or The Amount Of Air Decreases; Lubricating Oil Change; Check For Oil Level - Daewoo Novus M2SEF Manual

(3) Oil pressure does not increase.

1) Cause: Restricted oil strainer
Correction: Open the top cover of the crankcase to check and clean.
2) Cause: Malfunction of oil pump
Correction: Disconnect the pump to check for defects and replace, if necessary.
3) Cause: Viscosity of oil is so high that oil cannot be absorbed.
Correction: Inject oil equivalent to SAE #30 grade.

(4) Air pressure does not increase or the amount of air decreases.

It is necessary to measure the time taken to obtain the specified air pressure after the valve on the
air discharge section of the compressor tank.
1) Cause: Damaged intake valve and/or exhaust valve~Replace
2) Cause: Detached carbon~Adhere the carbon.
3) Cause: Carbon sticked
4) Cause: Load applied to suction filter~Replace
(3) Oil capacity: Approximately 4.0L
(4) How to change oil
1) Remove the plug beneath the crankcase and remove oil from the inside of the crankcase.
2) Clean the inside of the crankcase and the oil strainer.
3) Inject oil until it reaches the top side of the center mark on the oil level gauge.
Caution
1. Always inject oil with the compressor turned off.
2. Use care to prevent the entry of dust in oil.
https://www.truck-manuals.net/
Oil injection port
Crankcase
Oil level gauge
MTF0810
5-159 MISCELLANEOUS CONTROLS AND OPTIONS

Lubricating oil change

(1) Check for oil level

Check for oil level and change lubricating oil in 1
month of initial operation and thereafter every 3~4
months of operation.
(2) Usable oil
- ISO VG 220
- Motor Oil SAE 30