TM 10-4610-310-14
0122 00
REMOVAL continued
3. Remove cover gasket (8). Replace if damaged or deformed.
Cleaning and Checking
1. Clean the crankcase cover with cleaning solvent and rags. Allow to air dry.
2. Inspect main oil seal (1), parallel pins (3), o-ring (5), oil dipstick (6), main bearing (7), oil tube (9), and oil plug
(10) for damage. Replace appropriate items if necessary.
3. Check the clearances for the bearings according to Table 1.
Table 1. Crankcase Cover Bearing Clearances.
ITEM
STANDARD
SERVICE LIMIT
Inside Diameter
34, +0.025, 0 mm
-----
(1.34, +0.0010, 0
inches)
Bearing Outside
34, +0.105, +0.070 mm
-----
Crankshaft Bearing
Diameter (Plain)
(1.34, +0.004, +0.003
inches)
Fitting
0.045 to 0.105 mm
-----
(0.002 to 0.004 inch)
Bearing Inside Diameter
30, +0.060, +0.040 mm
30.13 mm (1.19 inches)
(Plain)
(1.18, +0.0024, +0.0015
inches)
Inside Diameter
52, -0.035, -0.055 mm
-----
(2.05, -0.001, -0.002
Camshaft Bearing
inches)
Ball Bearing Outside
52, 0, -0.013 mm (2.05,
-----
Diameter
0, -0.0005 inches)
Fitting
0.022 to 0.055 mm
-----
(0.0009 to 0.0022 inch)
Crankshaft Oil Seal Replacement
1. When replacing oil seals, use special oil seal fitting tool, 114250-92311, or equal.
2. Insert crankshaft oil seal into crankcase cover until it is 4 mm (0.16 inch) deep from the end of the crankcase.
See Figure 2.
CAMSHAFT
OIL SEAL
CYLINDER
CAMSHAFT
BLOCK
CRANKCASE COVER
CRANKSHAFT OIL
SEAL
CRANKSHAFT
CRANKSHAFT
OIL SEAL
0.1575 INCH (4 MM)
Figure 2. Crankcase Cover Oil Seals.
