TM 5-3825-229-14&P
6-8. GEAR TRAIN AND BACKPLATE (cont)
a. Removal
(1) Remove screw (1) and flat washer (2) from idler gear (3).
(2) Remove idler gear (3) from shaft (5).
(3) Remove bearing (4) from idler gear (3) if damaged.
(4) Install a 14 mm adapter in end of shaft (5).
(5) Install slide hammer in adapter and pull shaft (5) from cylinder block.
(6) Remove screw (10) and flat washer (11) and remove oil pump idler gear (12).
(7) Use a suitable puller and remove crankshaft gear (15) from crankshaft. Remove key (16) from crankshaft.
(8) Remove screws (6) (three capscrews and two socket head screws) and flat washers (7) from backplate (8).
(9) Remove backplate (8) and gasket (9) from alignment pins. Discard gasket (9).
b. Inspection.
(1) Inspect idler gears (3 and 12) and crankshaft gear (15) for nicked, worn or broken teeth. Replace if necessary.
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