ACCESSORY GEARBOX (AGB) MAGNETIC PLUG

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3 - 2 . TROUBLESHOOTING - CONTINUED

b. ACCESSORY GEARBOX (AGB)

( 1 ) ES-14. MORE THAN ONE HALF OF AGB

MAGNETIC PLUG

M A G N E T I C PLUG IS COVERED WITH

M E T A L CHIPS. NO OTHER ROTATION

O R METAL CHIPS NOTED.

This section contains troubleshooting to locate and correct the cause(s)

of more than one half of the AGB magnetic plug being covered with metal

chips when no other chip or rotational discrepancies were noted. The A G B

acts as an oil sump to collect oil which is scavenged from bearings in

the forward engine module and rear engine subassembly. The main 0il pump

pumps the hot oil from the sump to the engine oil cooler. Based on the

above description, it will be necessary to identify the source of the

metal chips. The possibilities include the forward engine module,

e n g i n e s u b a s s e m b l y , a n d / o r t h e A G B . T h e a r t o n t h i s p a g e p r o v i d e s ae a r

overview of the lubrication system. Refer to this page along with in-

text art while performing troubleshooting.

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