(5)
Clean drain plug thoroughly, install new drain plug gasket, install drain plug, tighten to 75 pound-inches torque and lockwire.
(6)
Refill starter oil sump with 350 cubic centimeters of lubricating oil.
CAUTION: UNLESS COMPATIBILITY OF OIL IS ASSURED, DO NOT MIX BRAND NAME OILS. DO NOT REFILL STARTER OIL SUMP WITH OIL USED TO FLUSH OUT CORROSION PREVENTIVE COMPOUND.
(7)
Install new fill plug gasket, install fill plug, tighten to 90 pound-inches torque and lockwire.
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PNEUMATIC STARTER - REMOVAL/INSTALLATION
1. General
A. The pneumatic starter should be preserved if not in service for a prolonged period of time. It is necessary to depreserve a replacement starter prior to installation (Ref Maintenance Practices).
CAUTION: EXTREME CARE MUST BE EXERCISED TO PREVENT FOREIGN MATERIAL FROM ENTERING THE STARTER.
2. Equipment and Materials
A. Lubricating Grease -BMS 3-24 (Aeroshell Grease No. 16)
B. Deleted
3. Prepare Starter for Removal
A. Open engine left removable cowl panel (Ref Chapter 71, Operating Procedure)
B. Disconnect electrical plug from starter (Fig. 401).
C. Remove starter valve (Ref 80-11-21, Removal/Installation).
D. Remove starter turbine wheel containment assembly (Ref 80-11-41, Removal/Installation).
4. Remove Starter (Fig. 401)
A. Loosen nuts attaching starter to accessory drive gear case enough to allow rotation of starter on gear case pad.
NOTE: Starter mounting flange has keyhole-shaped slots that allow for removal and installation without removing nuts from studs on accessory drive gear case. One starter mounting stud is inaccessible and will not have a nut installed.
B. Rotate starter clockwise so that large end of keyhole-shaped slots in mounting flange will pass over heads of nuts. Remove starter.
C. Cover all openings and connections with protective covers or plugs.
5. Prepare Starter for Installation
A. Remove all shipping plugs, covers, and caps from starter.
B. Perform depreservation of starter (Ref Maintenance Practices).
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C. Fit starter to engine drive pad to determine starter position. Check that lubricating oil drain plug is low enough to ensure complete draining and that there is still access to electrical receptacle.
D. Determine whether starter scroll will have to be rotated to align starter air inlet with air supply duct.
NOTE: Scroll assembly may be rotated as necessary to make connection with air supply duct.
E. If rotation of starter scroll assembly is necessary, loosen eight nuts securing scroll clamping flange to gear housing assembly, rotate scroll assembly as necessary and torque nuts to 35 to 45 pound-inches.
6. Install Starter (Fig. 401)
A. Coat starter output shaft splines with lubricating grease.
B. To ensure good electrical bond, clean mating surface of starter flange and attaching studs and nuts with a general purpose cleaning solvent. Apply with nonmetallic brush or cloth applicator and wipe dry with lint-free gauze or cloth.
C. Install new gasket on engine starter pad of accessory drive gear case.
D. Position starter to align large end of keyhole-shaped slots in mounting flange with studs on engine drive pad. Rotate starter counterclockwise to seat nuts firmly in small end of slots.
CAUTION: MAKE CERTAIN THAT SPLINES OF STARTER OUTPUT SHAFT ARE PROPERLY ENGAGED WITH COUPLING IN ENGINE ACCESSORY DRIVE PAD.
E. Tighten attaching nuts. Inaccessible stud will not carry a nut.
7. Restore Airplane to Normal Configuration
A. Connect electrical plug and lockwire.
B. Install starter valve (Ref 80-11-21, Removal/Installation).
C. Install starter turbine wheel containment assembly (Ref 80-11-41, Removal/Installation).
CAUTION: STARTER IS FACTORY ADJUSTED AND NO ADJUSTMENT OTHER THAN ROTATION OF SCROLL ASSEMBLY IS PERMISSIBLE IN THE FIELD.
D. After installation is completed, perform engine motoring procedures for functional test (Ref Chapter 71, Operating Procedure).
E. Close engine cowl panel.
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5B6 Pneumatic Starter Installation
May 20/82 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 80-11-11 Page 403
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