(2)
The Sealol seal consists of the following parts:
(a)
A mating ring (glazed face) with four lugs engaging the four corresponding slots in the gearshaft ball bearing.
(b)
A cover, secured to the bearing housing with nuts, to ensure constant contact between the glazed face and the static part of the seal.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEEA
FWD
A
Figure 1 Accessory Gearbox Location S-M56-MM-0913-(1)-00-B
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////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
A
A ALTERNATOR CONTROL DRIVE SHAFT HORIZONTAL
PAD ROTATION N2 ROTOR
SEE A
STARTER
SEE B SEE A
AND MEC FUEL PUMP
FWD SEE B
A-A
S-M56-MM-0914-(1)-00-B-(MOD) Accessory Gearbox Gear Train With Magnetic Seals or Sealol Seals Location Figure 2 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE
GENERATOR
SEE
SEE
SEE
LUBRICATION UNIT
S-M56-MM-0915-(1)-00-B
Accessory Gearbox Gear Train with Magnetic Seals or Sealol Seals Location Figure 2 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
NON MAGNETIC
SEAL HOUSING
O-RING
STATIC
CARBON
ROTATING
PART
CONTACT
PART O-RING
FACE
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CFM56 ENGINES
/ / ////////////////////////
MAGNETIC SEAL
RING
LAPPED OR POLISHED CONTACT FACE
(ASSEMBLED) A MAGNETIC SEAL (DISASSEMBLED)
PART ROTATING O-RING WASHER 1 PTFE CONTACT FACE CARBON
O-RING
PART STATIC CONTACT FACE LAPPED OR POLISHED
(ASSEMBLED) (DISASSEMBLED) SEALOL SEAL B
1 NOT INSTALLED ON ALL ENGINES. INSTALLED ON STARTER PAD ONLY S-M56-MM-0916-(1)-00-B
Accessory Gearbox Gear Train With Magnetic Seals or Sealol Seals Location Figure 2 (Sheet 3)
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////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~.............................................................................. | AGB GEAR NAME | LINE NAME | TEETH | ................................................................................ |Gearshaft Assy No. 1 Control Alternator |Line 3 | 47 | ................................................................................ |Gearshaft Assy No. 2 Handcranking |Line 4 | 62 | ................................................................................ |Gearshaft Assy No. 3 Drive Starter |Line 5 | 31 x 61 | ................................................................................ |Gearshaft Assy No. 4 Fuel Pump and MEC |Line 6 | 73 | ................................................................................ |Gearshaft Assy No. 5 Intermediate |Line 7 | 41 | ................................................................................ |Gearshaft Assy No. 6 Constant Speed Drive |Line 8 | 55 | ................................................................................ |Gearshaft Assy No. 7 Intermediate |Line 9 | 44 x 73 | ................................................................................ |Gearshaft Assy No. 8 Hydraulic Pump |Line 10 | 73 | ................................................................................ |Gearshaft Assy No. 9 Lubrication Unit |Line 11 | 44 | 2...........................................…...................…..............1
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