(b)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag: 1) E3-3 Electrical Shelf, APU Control Unit

 S 014-003
 (2)  Open the APU cowl door:
 (a)  
Open the latches for the APU cowl door.

 (b)  
Open the APU cowl door.

 (c)  
Connect the door support rods.

 S 014-004
 CAUTION:_______BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD. DAMAGE TO THE SHROUD DRAIN LINES CAN OCCUR.
 (3)  Remove the lower shroud:
 (a)  
Hold the lower shroud and open the shroud latches.

 (b)  
Remove the lower shroud.

 S 024-005
 (4)  Remove the oil filter element:
 (a) Put the container below the oil filter housing on the oil pump.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
UPPER
SHROUD

FILTER CAP
SEE B
FWD
A
PACKING FILTER ELEMENT GARRETT P/N 3001436-1 (OPTIONAL P/N 76149)
PACKING
OIL PUMP
B

Oil Pump Filter Installation
Figure 401

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(b)  
Remove the oil filter cap and the packing from the oil pump. 1) Let the oil drain into the container. 2) Discard the packing.

 (c)  
Remove the oil filter element and the packing from the oil pump. 1) Discard the packing.

 TASK 49-91-12-404-006
 3.  Oil Pump Filter Installation (Fig. 401)____________________________
 A. Standard Tools and Equipment
 (1)  Compressed Air Source - 30 psig maximum
 B. Consumable Materials
 (1)  
D00071 Aircraft Turbine Engine Oil - MIL-PRF-7808 Type I or

 (2)  
D00068 Aircraft Turbine Engine Oil - MIL-PRF-23699 Type II

 (3)  
G01043 Cloth - Lintfree

 (4)  
B00722 Solvent - P-D-680, Type I

 C. References
 (1)  AMM 49-11-00/201, APU Power Plant
 D. Access
 (1)  
Location Zones
 101 Control Cabin, LH
 205 Electronic Compartment
 703 APU Compartment

 (2)  
Access Panel
 1201 Electronic Equipment Access Door
 3804 APU Cowl Door

 E. Procedure
 S 114-008
 (1)  Clean the oil filter cap:
 WARNING: DO NOT GET THE SOLVENT IN YOUR MOUTH OR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM THE SOLVENT. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE THE SOLVENT. KEEP THE SOLVENT AWAY FROM SPARKS, FLAME, AND HEAT. THE SOLVENT IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (a)  
Clean the oil filter cap with the cloth made moist with the solvent.

 (b)  
Fully dry the oil filter cap with the compressed air.

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
S 424-009
 (2)  Install the oil filter element:
 (a)  
Install the new packing, lubricated with engine oil, on the oil filter element.

 (b)  
Install the new packing, lubricated with engine oil, on the oil filter cap.

 (c)  
Install the oil filter element on the boss in the oil pump housing.
　
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