TM 9-6115-730-24
0109
REMOVAL - Continued
3. Remove two bolts (Figure 1, Item 8) and washers (Figure 1, Item 9) holding oil pump (Figure 1, Item 7) to
front housing.
4. Remove oil pump (Figure 1, Item 7), O-ring (Figure 1, Item 10), and O-ring (Figure 1, Item 11).
END OF TASK
DISASSEMBLY
1. Remove elbow (Figure 1, Item 4) and two O-rings (Figure 1, Item 12) from oil pump (Figure 1, Item 7).
2. Remove four bolts (Figure 1, Item 13), washers (Figure 1, Item 14), and cover (Figure 1, Item 15) from pump
housing (Figure 1, Item 16).
3. Remove O-ring (Figure 1, Item 17), idler gear (Figure 1, Item 18), and gear (Figure 1, Item 19) from cover
(Figure 1, Item 15).
4. Remove drive shaft (Figure 1, Item 20) from pump housing (Figure 1, Item 16).
END OF TASK
INSPECTION OF INSTALLED ITEMS
1. Inspect two shaft bores in pump body for diameter of 0.710-0.711 in. (18.04-18.06 mm).
2. Inspect two shaft bores in pump body for depth of 1.973-1.974 in. (50.11-50.15 mm).
3. Inspect shaft of idler gear (Figure 1, Item 18) and drive shaft (Figure 1, Item 20) for diameter of 0.7084-0.7088
in. (17.995-18.005 mm).
END OF TASK
ASSEMBLY
1. Heat drive shaft (Figure 1, Item 20), idler gear (Figure 1, Item 18), and gear (Figure 1, Item 19) to a maximum
of 600 degrees F (316 degrees C).
WARNING
Wear heat resistant gloves and avoid contacting hot metal surfaces with your hands after oil
pump gears or shaft have been heated. Wear additional protective clothing as required. Failure to
comply can cause injury to personnel.
NOTE
Lubricate all internal parts, including O-rings, with engine oil before installation.
2. Install drive shaft (Figure 1, Item 20) in pump housing (Figure 1, Item 16).
3. Install gear (Figure 1, Item 19) on end of drive shaft (Figure 1, Item 20). Make sure front face of gear is
1.138-1.177 in. (28.90-29.90 mm) from step face on pump housing (dimension A).
0109-3
