Onvehicle Inspection

1. CHECK CONDENSER FINS FOR BLOCKAGE OR DAMAGE

If the fins are clogged, clean them with pressurized water. CAUTION : Be careful not to damage the fins.

2. CHECK DRIVE BELT TENSION

Using a belt tension gauge, check the drive belt tension.

Belt tension gauge:

Nippondenso BTG-20 (95506 00020) or Borroughs No. BT-33-73F

Drive belt tension:

NOTE:

• "New belt" refers to a belt which has been used less than 5 minutes on a running engine.

• "Used belt" refers to a belt which has been used on a running engine for 5 minutes or more.

3. START ENGINE

4. TURN ON A/C SWITCH

Check that the A/C operates at each position of the blower switch.

5. CHECK MAGNETIC CLUTCH OPERATION

6. CHECK THAT IDLE INCREASES

When the magnetic clutch engages, engine revolution should increase.

Standard idle up rpm: 900 - 1,000 rpm

7. CHECK AMOUNT OF REFRIGERANT

If you can see bubbles in the sight glass, additional refrigerant is needed. (See page AC-11)

8. IF NO OR INSUFFICIENT COOLING, INSPECT FOR LEAKAGE

Using a gas leak tester, inspect each component of the refrigeration system. (See page AC-11)

Nippondenso Borroughs

1CM03 tCMW EC0CÜ1

Nippondenso Borroughs

1CM03 tCMW EC0CÜ1

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