S 033-044-001
(5)
Remove the drain fitting for the spline cavity from the accessory gearbox.
S 683-045-001
(6)
Let the oil drain from the spline cavity.
S 093-046-001
(7)
Remove the bucket.
(a) Discard the used oil from the bucket.
S 433-047-001
(8) Install the pressure-fill valve for the spline cavity into the CSD.
(a)
Tighten the valve to a torque of 55-75 pound-inches.
(b)
Install a lockwire.
S 963-048-001
(9) Replace the O-ring that is on the drain fitting for the spline cavity.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú
12-13-21
ú CONFIG ú 01 Page 309 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 433-049-001
(10) Install the drain fitting for the spline cavity into the accessory gearbox.
(a)
Tighten the drain fitting to a torque of 180-220 pound-inches.
(b)
Install a lockwire.
S 163-050-001
CAUTION: IMMEDIATELY REMOVE ALL OF THE OIL THAT FALLS ON THE ENGINE.
_______ THE OIL CAN CAUSE DAMAGE TO THE PAINT AND THE RUBBER COMPONENTS ON THE ENGINE.
(11)
Clean the engine parts that have oil on them.
S 613-051-001
(12)
Add oil to the spline cavity before you operate the engine.
TASK 12-13-21-613-052-001
6. Fill the Spline Cavity with Oil (Fig. 302)
_______________________________
A. General
(1)
Correct oil level is determined by removing the cap from the drain fitting and filling the spline cavity until oil comes out of the drain fitting. If when you remove the cap from the drain fitting, more oil comes out of the drain fitting other than the small amount that is normally contained in the standpipe, the oil level was too high.
(2)
Leakage of the seal on the accessory gearbox will let oil flow from the accessory gearbox to the spline cavity. If the oil level in the spline cavity is usually too high, the accessory gearbox seal can be defective.
(3)
Leakage of the seal in the CSD will let oil flow from the CSD to the spline cavity. The input shaft seal can be defective if these two indications occur after you fill the CSD with oil:
(a)
The oil level in the CSD decreases.
(b)
The oil level in the spline cavity increases.
B. Special Tools and Equipment
(1)
Service Cart - Malabar 53361-2, Malabar Hydraulics Co., 220 West Los Angeles Avenue, Simi Valley, CA 93065
(2)
Coupling - OMP2506-3, Ozone Metal Products, 101-32 101st Street, Ozone Park, Long Island, NY 11416
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú
12-13-21
ú CONFIG ú 01 Page 310 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
SPLINE CAVITY
PRESSURE-FILL
VALVE
SPLINE CAVITY DRAIN FITTING
SPLINE CAVITY DRAIN FITTING CAP
CONSTANT SPEED DRIVE
ACCESSORY GEARBOX
Servicing of the CSD Spline Cavity - Component Location
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