S 873-003-001
(2)
Push the vent valve cap on the top of the CSD to remove the internal pressure.
S 213-004-001
(3)
Look at the oil level in the sight glass on the CSD.
(a)
If the oil level is above the top of the applicable range, drain some of the oil from the CSD (Ref "Drain the Oil From the CSD" task).
(b)
If the oil level is below the bottom of the applicable range, add oil to the CSD (Ref "Fill the CSD with Oil" task).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú
12-13-21
ú CONFIG ú 02 Page 301 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
SIGHT GLASS
SEE A
SELF-CLOSING VALVE
(TO DRAIN THE CASE)
PRESSURE
FILL VALVE
TANK DRAIN PLUG
(TO DRAIN THE RESERVOIR)
OIL LEVEL BAND FOR ENGINE 2
OIL LEVEL BAND
FOR ENGINE 1
A
Constant Speed Drive Case and Reservoir Servicing Component Location Figure 301
A60373
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú
12-13-21
ú CONFIG ú 01 Page 302 ú Jul 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 413-005-001
(4) If the oil level is satisfactory, close the left fan cowl on the applicable engine (AMM 71-11-02/201).
TASK 12-13-21-683-006-001
3. Drain the Oil from the CSD (Fig. 301)__________________________
A. Standard Tools and Equipment
(1) Bucket - to hold 2 gallons of used oil
B. References
(1)
AMM 24-11-11/601, Constant Speed Drive
(2)
AMM 71-11-02/201, Fan Cowl Panels
(3)
AIPC 24-11-11, Fig. 1A
C. Access
(1)
Location Zones
506 Engine 1 - Accessory Gearbox, 8 o'clock
606 Engine 2 - Accessory Gearbox, 8 o'clock
(2)
Access Panels
5746L Left Fan Cowl - Engine 1
5737L Left Fan Cowl - Engine 2
D. Drain the Oil from the CSD
S 013-007-001
(1)
Open the left fan cowl on the applicable engine if it is not open (AMM 71-11-02/201).
S 873-008-001
(2)
Push the vent valve cap on the top of the CSD to remove the internal pressure.
S 493-009-001
(3)
Set the bucket below the CSD to catch the used oil.
S 033-010-001
WARNING:_______DO NOT TOUCH THE OIL SYSTEM PARTS WHEN THEY ARE HOT. THESE PARTS STAY HOTTER THAN THE OTHER ENGINE PARTS AFTER AN ENGINE SHUTDOWN. OIL SYSTEM PARTS THAT ARE HOT CAN BURN YOU.
DO NOT LET THE OIL TOUCH YOUR SKIN FOR A LONG TIME. YOU CAN ABSORB POISONOUS MATERIALS FROM THE OIL THROUGH YOUR SKIN. OIL ON YOUR SKIN CAN CAUSE DERMATITIS AFTER A LONG TIME.
(4) Remove the self-closing valve to drain the CSD case.
NOTE: The magnetic plug is in the self-closing valve.
____ If you only remove the magnetic plug, the oil will not drain.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú
12-13-21
ú CONFIG ú 01 Page 303 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 033-011-001
(5) Remove the tank drain plug to drain the CSD reservoir.
NOTE: It is not necessary to remove the drain plug to remove a
____
small quantity of oil from the CSD.
S 683-012-001
(6)
Let the oil drain from the CSD.
S 093-013-001
(7)
Remove the bucket.
(a) Discard the used oil from the bucket.
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