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 TM 5-2410-237-23
ENGINE OIL PUMP REPAIR - CONTINUED
0245 08
CLEANING AND INSPECTION - CONTINUED
5.
Inspect idler gear bearing (4) and idler gear shaft (5) as follows:
a.
Measure inside diameter (ID) of idler gear bearing (4). ID should be 1.1260 0.0019 in. (28.600 0.048 mm).
b.
Measure outside diameter (OD) of idler gear shaft (5). OD should be 1.1225 0.0005 in. (28.512 0.013 mm).
c.
Clearance between bearing (4) and idler gear shaft (5) should be 0.0011 to 0.0059 in. (0.028 to 0.150 mm).
6.
Inspect bearings (14), driveshaft (9), and shaft (17) as follows:
a.
Measure ID of bearings (14). ID should be 0.8763 0.0003 in. (22.258 0.008 mm).
b.
Measure OD of driveshaft (9) and shaft (17). OD should be 0.8747 0.0002 in. (22.217 0.005 mm).
c.
Clearance between bearings (14) and driveshaft (9) and shaft (17) should be 0.0011 to 0.0021 in. (0.028 to 0.053
mm).
7.
Inspect gears (13) as follows:
a.
Measure length of gears (13). Length should be 1.4988 0.0010 in. (38.070 0.025 mm).
b.
Depth of bore in housing (12) for gears (13) should be 1.5038 0.0008 in. (38.197 0.020 mm).
c.
Clearance between end of gears (13) and pump body should be 0.0032 to 0.0068 in. (0.081 to 0.173 mm).
8.
Inspect gears (23) as follows:
a.
Measure length of gears (23). Length should be 2.0003 0.0010 in. (50.808 0.025 mm).
b.
Depth of bore in pump body (2) for gears (23) should be 2.0053 0.0008 in. (50.935 0.020 mm).
c.
Clearance between end of gears (23) and pump body should be 0.0032 to 0.0068 in. (0.081 to 0.173 mm).
9.
Replace any damaged or worn component.
ASSEMBLY
CAUTION
To prevent contamination of engine lubricating system, keep work area and engine oil pump components
clean.
NOTE
Lightly coat all engine oil pump components with clean oil before assembly.
1.
Install pressure relief valve (21) and cover (20) to pump body (2) with washer (19) and bolt (18).
Change 1
0245 08-4
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