(3) Remove the priming lever (3) from the shaft (2).
(4) Remove the spring shaft (2) and washer from the adapter.
(5) Remove the preformed packing from the shaft (2).
d. Cleaning, Inspection, and Repair.
(1) Clean all parts in an approved cleaning solvent and dry thoroughly with compressed air.
(2) Wipe the preformed packing clean with a cloth dampened with an approved cleaning solvent.
e. Inspection and Repair.
(1) Inspect all hardware for breaks or damaged threads and replace as necessary.
(2) Inspect the adapter for cracks, breaks, rust or corrosion. Check the gasket surfaces for nicks or
burrs and remove any burrs. Repair or replace as necessary.
(3) Inspect all springs for weakness, pitting, or rust and replace as necessary.
(4) Inspect the plunger and plunger cap for excessive wearing, burrs, or rust. Remove rust and burrs.
Replace a worn cap or plunger.
(5) Inspect the priming lever and control lever for cracks or rust. Replace a defective control or priming
lever.
(6) Replace the gaskets.
f. Reassembly.
(1) Install the preformed packing on the shaft (2).
(2) Install the washer, shaft (2) and spring on the adapter (4).
(3) Install the priming lever (3) in the shaft (2).
(4) Install the plunger and cap in the adapter (4).
(5) Position the gasket (9) on the adapter (4).
g. Installation.
(1) Position a new gasket (10, fig. 27) on the crankcase. Position the fuel pump adapter (4) on the
crankcase and secure with two lockwashers (11) and capscrews (12).
(2) Position a new gasket on the fuel pump adapter (9).
(3) Position the fuel pump (6) on the fuel pump adapter and secure with the two lockwashers (8) and
bolts (7).
(4) Position the fuel lines on the fuel pump and secure with the two fuel line nuts (7, fig. 20).
(5) Install the canopy (para. 68).
Section VII. ENGINE ELECTRICAL SYSTEM
81. Description
The electrical system for the Macleod Water Distributor consists of a starter and cable, battery cable, spark
plug cables, spark plugs, and a magneto. All of the components are radio suppressed.
82. Starter
a. General. The starter motor supplies the necessary amount of torque for a short period of time to crank
the engine. It is a series-wound, 4-pole type, with power transmitted to the flywheel through a Bendix
drive. The starter motor consists of five major subassemblies, commutator head, frame and field,
armature, drive, and pinion housing.
b. Removal.
(1) Remove the two nuts (12, fig. 19) and lockwashers (13) securing the front mounting bracket (11).
(2) Remove the nut (9) and starwasher (10) securing the starter cable (2) and remove the cable from
the terminal.
(3) Remove the three bolts (8) and lockwashers (7) securing the starter (1) to the crankcase and
remove the starter from its mounting.
c. Installation.
(1) Position starter motor in its crankcase mounting and secure with three bolts (8), and lockwashers.
AGO 6871A
47
