Starter Valve Installation 5B6
80-11-21 Page 402 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 20/82
5. Restore Airplane to Normal Configuration
A. Connect electrical plug to starter valve.
B. Install new filter.
C. Connect filter line to filter.
D. Close engine cowl panel.
E. An operational check is performed by either motoring or starting engine in normal manner (Ref Chapter 71, Power Plant -General).
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Aug 01/74 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 80-11-21 Page 403
STARTER VALVE - REMOVAL/INSTALLATION
EFFECTIVITY
Start valve open light pressure switch located on engine flange G
1. Prepare Starter Valve for Removal
A. Open engine left removable cowl panel (Ref Chapter 71, Power Plant).
B. Disconnect pressure line (starter valve open pressure switch) from fitting on starter valve.
C. Disconnect electrical plug from starter valve.
2. Remove Starter Valve (Fig. 401)
A. Open clamp holding starter valve to air supply duct.
B. Open clamp holding starter valve to starter and remove valve. Be sure start valve is supported when lower clamp is removed.
3. Prepare for Starter Valve for Installation
A. Remove shipping covers and caps from all openings of the starter valve.
B. Prior to installation of clamps, clean valve flanges and mating surfaces with a general purpose cleaning solvent. Apply with nonmetallic brush of cloth applicator and wipe dry with lint-free gauze or cloth.
4. Install Starter Valve (Fig. 401)
A. Position valve between the air supply duct and pneumatic starter and install clamps. Orient the valve so that the electrical plug will be approximately 1/4 to 1/2 inch from the 1-1/4 inch diameter midbearing oil breather line.
5. Restore Airplane to Normal Configuration
A. Connect electrical plug to starter valve.
B. Connect pressure line (start valve open pressure switch) to fitting on starter valve.
C. Install new filter.
D. Connect filter line to filter.
E. Close engine cowl panel.
F. An operational check is performed by either motoring or starting engine in normal manner (Ref Chapter 71, Power Plant - General).
Jun 20/85 80-11-23 Page 401
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Starter Valve Installation 501
80-11-23Page 402 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Jun 20/85
STARTER VALVE FILTER -REMOVAL/INSTALLATION
1. Remove Starter External Valve Filter
A. Disconnect pneumatic line from filter.
B. Remove filter from start valve.
NOTE: The Hydraulic Research 11-10865 filter cannot be disassembled and therefore must be cleaned in a sonic cleaning tank or by reverse flushing with solvent. The Mectron 22103 filter can be disassembled and cleaned by normal cleaning procedures. The internally mounted finger-type filter found on early units is self-cleaning, therefore, removal is not required.
2. Install Starter Valve Filter
A. Install filter in start valve.
B. Connect pneumatic line to filter.
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80-11-31 Page 401
Starter Valve Filter Installation 513
80-11-31Page 402 Figure 401 B
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Oct 20/86
STARTER TURBINE WHEEL CONTAINMENT ASSEMBLY - REMOVAL/INSTALLATION
1. Remove Starter Turbine Wheel Containment Assembly (Fig. 401)
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