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TM 9-2330-398-24
3-20. FUEL METERING PUMP REPLACEMENT (continued).
b.
INSTALLATION
1.
Position No. 1 piston on compression stroke by placing port closing (PC) mark (7) on flywheel (8) in line with
timing mark (6) on gearcase cover (5).
2.
Remove timing hole screw (15) and copper gasket (14) from fuel metering pump (1). Insert a 1/8-inch diameter
brass rod or wire into hole (17).
3.
Rotate pump face gear (16) until rod or wire slips into place, locking face gear (16) in position.
4.
Mount new preformed packing (12) and fuel metering pump (1) on crankcase (13), ensuring that shims are in
place, and secure into position with four nuts (11), washers (9), and new lockwashers (10).
3-60
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