TM 9-2320-260-34-1
3-52. OIL PUMP REPAIR (Contd)
NOTE
Perform steps 12 and 13 if dowel pins were removed from oil
pump.
All parts must be coated with clean lubricating oil before
assembly.
12.
Install new dowel pin (4) in inner body (6) 0.990-1.010 in. (25.15-25.65 mm) above inner body (6)
face.
Install new dowel pin (7) in inner body (6) 0.990-1.010 in. (25.15-25.65 mm) above inner body (6)
13.
face.
14.
Using arbor press, install drive gear (3) on driveshaft (2).
Install idler gear (10) on idler shaft (11).
15.
16,
Position inner body (6) on driveshaft (2) and idler shaft (11).
17.
Place 0.012 in. (0.30 mm) feeler gage between drive gear (3) and inner body (6).
18.
Press inner body (6) to seat drive gear (3). Remove inner body (6) and feeler gage.
19.
Lubricate idler gear (10), drive gear (3), idler shaft (11), and driveshaft (2) with oil.
NOTE
When installing inner body, ensure screw holes in inner body and
pump body aline.
20.
Install new gasket (5) and inner body (6) on oil pump body (1).
21.
Using arbor press, install drive gear (8) on driveshaft (2) leaving 0.002-0.004 in. (0.05-0.10 mm)
clearance between drive gear (8) and inner body (6) pocket surface.
22.
Install idler gear (9) on idler shaft (11).
23.
Lubricate drive gear (8), idler gear (9), idler shaft (11), and driveshaft (2) with oil.
24.
Install new lockwasher (15) and screw (14) in inner body (6). DO not tighten screw (14).
Install new gasket (12) and filter head (13) on inner body (6) with two new lockwashers (16),
25.
screws (17), six new lockwashers (19), and screws (18). Tighten screws (17) and (18) 30-35 lb-ft
(41-47 Nm).
NOTE
Proper gear end play is 0.004-0.007 in. (0.10-0.18 mm).
26.
Rotate gear (20) to ensure free movement and check end play.
If end play is too high, press gear (20) and driveshaft (2) into oil pump (21) until proper end play is
27.
reached.
28.
If end play is too low, pull gear (20) and driveshaft (2) out of oil pump (21) until proper end play is
reached.
If end play is correct, proceed to step 30.
29.
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