This type of seal can be used on the following pads :
- Integrated Drive Generator (IDG)

- Hydraulic pump

- Fuel pump

Page 6
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION

CFM56-5B包H TRAINING MANUAL
(ASSEMBLED) (DISASSEMBLED)

RETAINING RING
ROTATING FACE PART
MAGNETIC SEAL
CTC-068-028-01
Page 7
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321

CFMI PROPRIETARY INFORMATION
Starter drive pad seal
On the starter drive pad only, a different configuration of magnetic seal is used.
It has a thrust ring, which also acts as a heat sink, installed in between the mating ring and retaining ring.
Page 8
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION

CFM56-5B包H TRAINING MANUAL
(ASSEMBLED)

MAGNETIC SEAL (STARTER DRIVE ONLY)
CTC-063-029-01
Page 9
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321

CFMI PROPRIETARY INFORMATION
Spring-loaded seals
Spring-loaded seals have a rotating mating ring with 4 lugs that engage in corresponding slots machined in the gear shaft bearing.
A housing, which contains the spring-loaded seal, ensures constant contact between the polished face and the carbon seal element.
This type of seal can be used on the following drive pads:
- Integrated Drive Generator (IDG)

- Hydraulic pump

- Starter

- Fuel pump

Page 10
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION

包H  CFM56-5B TRAINING MANUAL
CARBON CONTACT FACE
(ASSEMBLED)
O-RING  O-RING
SEALS

STATIC PART
MATING ROTATING RINGPART LUGS

CONTACT FACE

SPRING LOADED SEAL
CTC-063-030-01
Page 11
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321

CFMI PROPRIETARY INFORMATION
THIS PAGE INTENTIONALLY LEFT BLANK

Page 12
EFFECTIVITY
72-60-00
Dec 00
BASIC ENGINE
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION