MAC TOOLS MW250 Instructions d'exploitation télécharger pdf (Page 61)

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101

TM 5-4310-452-14

Table 3-1. Operator Troubleshooting Procedures (Con't).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. ENGINE IS DIFFICULT TO START.

Step 1. Check for loose, dirty, or corroded battery terminals.

If battery terminals are loose, dirty, or corroded, notify your supervisor.

Step 2. Check engine air cleaner restriction indicator.

If red condition is present, clean air cleaner (see paragraph 3-4).

Step 3. Check that engine oil is proper grade (cold weather).

If engine oil is not proper grade, notify your supervisor.

3. UNUSUAL AMOUNT OF SMOKE FROM EXHAUST.

Check color of exhaust smoke.

If smoke is blue, notify your supervisor.

If smoke is black, check air cleaner restriction indicator. If red condition is present,

clean air cleaner (see paragraph 3-4).

4. ENGINE OVERHEATS.

Step 1. Check engine oil level.

If oil level is low, notify your supervisor.

Step 2. Check for dirty cooling fins on engine cylinder heads.

Clean engine cooling fins (see paragraph 3-5).

Step 3. Check for blocked or dirty cooling fan.

Clean cooling fan (see paragraph 3-5).

Step 4. Check left and right door assemblies.

Ensure that door assemblies are closed.

5. ENGINE OIL PRESSURE TOO LOW.

Step 1. Check lubrication oil system for leaks, kinks, or restrictions.

If leaks, kinks, or restrictions are found, notify your supervisor.

Step 2. Check engine oil level.

If oil level is low, notify your supervisor.

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MAC TOOLS MW250 Instructions d'exploitation Page 61

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