12-13-01
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A
757
MAINTENANCE MANUAL
FUNNEL SEE A
BREATHER COVER HS GEARBOX HOSE
BREATHER HOUSING
(REF) PNEUMATIC STARTER
A 79251
Engine Oil System Gravity Fill Method Figure 303
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757
MAINTENANCE MANUAL
S 013-035
(1)
Remove the HS gearbox breather cover.
S 493-036
(2)
Put the hose on the end of the funnel.
S 493-037
(3)
Put the hose into the breather housing as far as you can.
S 613-038
CAUTION:_______DO NOT ADD MORE THAN 28.2 U.S. PINTS (13.4 LITERS) OF OIL. IF YOU ADD TOO MUCH OIL, YOU CAN PUT TOO MUCH OIL IN THE BEARING CHAMBERS. THIS CAN CAUSE OIL TO GO INTO THE IP AND HP COMPRESSOR ROTOR DRUMS, WHICH WILL CAUSE HIGH VIBRATION.
(4)
Add 27.0 - 28.2 U.S. pints (12.8 to 13.4 litres) of oil to the HS gearbox through the funnel.
S 093-039
(5)
Remove the tube from the breather housing.
S 413-040
(6)
Install a new seal ring onto the HS gearbox breather cover.
S 413-041
(7)
Put the HS gearbox cover on the breather housing and install the bolts and the washers.
S 613-042
(8)
Do this procedure: Add Oil to the Engine Oil System (When Oil is in the System) to add 19.8-21.0 U.S. pints (9.4-10.0 liters) of oil.
NOTE: Do not use the oil tank quantity sight glass to determine the
____ amount of oil you will add. If you add oil until the oil level in the oil tank oil quantity sight glass shows FULL, a large amount of oil will go out of the oil breather outlet duct the next time you start the engine.
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757 MAINTENANCE MANUAL
I. Put the Airplane Back to its Usual Condition
S 713-043
WARNING:_______USE AMM 71-00-00/201 TO OPERATE THE POWER PLANT. IF YOU DO NOT USE THIS PROCEDURE, YOU CAN CAUSE DAMAGE TO EQUIPMENT OR INJURY TO PERSONS.
(1) Use the Power Plant Dry-Motor procedure to motor the engine for 30 seconds (AMM 71-00-00/201).
S 413-044 CAUTION: OBEY THE PRECAUTIONS FOR THE KEVLAR WRAPPING WHEN YOU CLOSE THE
_______ FAN COWL PANEL. IF THE PRECAUTIONS ARE NOT OBEYED, DAMAGE TO THE KEVLAR WRAPPING CAN OCCUR.
(2)
Close the fan cowl panels (AMM 71-11-04/201).
S 613-045
(3)
After the next engine run, do the Add Oil to the Engine Oil System (When Oil is in the System) procedure.
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ENGINE STARTER - SERVICING (ADD OIL)
____________________________________
TASK 12-13-02-613-001
1. Add Oil to the Engine Starter_____________________________
A. General
(1)
This procedure contains the steps to add oil to the engine starter. Do not drain the the oil that is in the starter for this procedure.
(2)
The approved oils in the consumable materials paragraph are not listed in an order of preference and are considered equal.
(3)
Oils that have been reclaimed to the approved Rolls-Royce standards for the appropriate viscosity grade, are approved for use.
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