MAC TOOLS MW250 Betriebsanleitung PDF herunterladen (Seite 77)

TM 5-4310-452-14

4-10. TROUBLESHOOTING SYMPTOM INDEX.

Troubleshooting

Procedure

Page

MECHANICAL TROUBLESHOOTING

COMPRESSOR

Air discharge pressure too low.................................................................................................... 4-13

Blowdown valve operates erratically........................................................................................... 4-12

Compressor air unsuitable for sandblasting (excessive oil in air outlet)....................................... 4-13

Excessive oil carryover .............................................................................................................. 4-12

Excessive vibration.................................................................................................................... 4-14

Oil:

Blows back into compressor air cleaner ............................................................................... 4-13

Consumption too high .......................................................................................................... 4-13

Safety relief valve relieves......................................................................................................... 4-14

Start pressure too high ............................................................................................................... 4-14

Unit will not unload..................................................................................................................... 4-14

ENGINE

Difficult to start/performs poorly ................................................................................................ 4-11

Exhaust smokes excessively ..................................................................................................... 4-11

Surges when running ................................................................................................................. 4-12

Turns off prematurely ................................................................................................................ 4-11

Vibrates excessively .................................................................................................................. 4-11

Will not:

Run at correct speed............................................................................................................ 4-12

Start .................................................................................................................................... 4-11

ELECTRICAL TROUBLESHOOTING

Ammeter:

Indicates constant "charge" condition with engine idling ...................................................... 4-17

Indicates no/low "charge" condition with engine idling .......................................................... 4-16

Engine:

Cranks, but will not start ...................................................................................................... 4-16

Cranks slowly ...................................................................................................................... 4-15

Will not crank ...................................................................................................................... 4-15

4-10

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MAC TOOLS MW250 Betriebsanleitung Seite 77