TM 10-3930-675-24-2
FRONT GEAR HOUSING REPLACEMENT - CONTINUED
0278 00
INSPECTION
1.
Visually inspect front gear housing for cracks or other damage.
2.
Inspect seal grooves on both sides for debris or damage.
3.
Inspect O-ring groove at accessory drive oil jumper gallery for cracks or damage.
4.
Measure inside diameter of bearing bores. Measurements should be as listed below. If not, replace front gear housing.
a.
Hydraulic drive: 1.6522 to 1.6532 in. (41.967 to 41.992 mm)
b.
Water pump drive: 1.4553 to 1.4564 in. (36.967 to 36.992 mm)
c.
Accessory drive: 1.7756 to 1.7766 in. (45.100 to 45.125 mm)
ACCESSORY
DRIVE
WATER
PUMP
DRIVE
HYDRAULIC
DRIVE
INSTALLATION
1.
Install new O-ring seal (7) in rear of front gear housing (4) at oil jumper gallery for accessory drive support. Install eight
new rectangular seals in front surface of front gear housing.
7
4
CYLINDER
BLOCK SIDE,
GEAR HOUSING
0278 00-4