the sleeve. 3) Tighten the screw then tighten the nut to make sure the rotating ring will not turn in the sleeve. 4) Install the rotating ring on the gear shaft: a) Turn the tool, through the handle, until the slots in the rotating ring align with the lugs in the bearing. b) Turn the tool in the two directions to make sure the rotating ring slots are engaged with the bearing lugs.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
5) Loosen the screw and nut. 6) Remove the removal/installation tool.
CAUTION:_______DO NOT HIT THE MAGNETIC SEAL INTO THE GEARBOX RECESS. THE ROTATING RING AND SEAL CASE CAN MOVE APART AND THE CARBON SEAL CAN BE DAMAGED.
(e)
Put the seal housing on the gear shaft (Fig. 203).
1) Make sure the outer O-ring of the seal housing touches the gearbox bearing housing.
(f)
ON THE GENERATOR DRIVE PAD; Install the shroud on the gear shaft and gearbox studs (Fig. 203).
(g)
Apply a light layer of graphite grease to the three gearbox studs (Fig. 203).
(h)
Install the nuts and washers on the studs (Fig. 203): 1) Tighten the nuts with your fingers. 2) Make sure the washers touch the seal housing.
(i)
Tighten the nuts in a sequence until the seal housing goes fully into its position (Fig. 203).
(j)
Tighten the nuts to 55-60 pound-inches (6.2-6.8 newton-meters) (Fig. 203).
S 412-036-C00
(5) Do one of these applicable tasks to remove access to the seal:
(a)
To install the fuel pump, do this task: Fuel Pump Package Installation (AMM 73-11-01/401).
(b)
To install the starter, do this task: Engine Starter Installation (AMM 80-11-01/401).
(c)
To install the hydraulic pump, do this task: Hydraulic Pump Installation (AMM 29-15-11/401 and/or AMM 29-15-12/401).
(d)
ENGINES WITH A CONSTANT SPEED DRIVE/AC GENERATOR; To install the constant speed drive/AC generator, do this task: Generator Constant Speed Drive Installation (AMM 24-11-11/401).
(e)
ENGINES WITH A VSCF GENERATOR/CONVERTER; To install the VSCF generator/converter, do this task: VSCF Generator/Converter Installation (AMM 24-11-11/401).
S 792-038-C00
(6) Do the engine vents and drains leak check (AMM 71-71-00/601), or do the leak check for the accessory gearbox (AMM 72-63-00/501).
TASK 72-60-00-002-024-C00
6. Fuel Pump QAD Ring Removal
__________________________
A. References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 73-11-04/401, Fuel Pump Package
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
B. Access
(1)
Location Zones
502 Engine No. 1 - Accessory Gearbox
602 Engine No. 2 - Accessory Gearbox
(2)
Access Panels
5746L Engine No. 1 - Left Fan Cowl Panel
5846R Engine No. 2 - Left Fan Cowl Panel
C. Procedure
S 012-027-C00
(1)
Open the left fan cowl panel (AMM 71-11-02/201).
S 012-040-C00
(2)
Do this task: Fuel Pump Package Removal (AMM 73-11-01/401).
S 032-025-C00
(3)
Do these steps to remove the support from the QAD clamp (Fig. 204):
(a)
Remove the bolt, the retaining packing and the ball seat washer from the support.
(b) 中國(guó)航空網(wǎng) m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737-300 400 500 AMM 飛機(jī)維護(hù)手冊(cè) ENGINE 發(fā)動(dòng)機(jī) 2(118)
